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Journal articles on the topic 'Image solide'

Author: Grafiati

Published: 23 September 2022

Last updated: 31 July 2025

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1

Shao, Lan, Liren Liu, and Guoqiang Li. "Solid state cellular two-layer fuzzy logic image processor." Journal of Optics 28, no. 4 (1997): 135–41. http://dx.doi.org/10.1088/0150-536x/28/4/001.

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Peguret, Muriel. "Le sentiment d’autoefficacité et les stratégies d’apprentissage chez les étudiants de français langue seconde venant d’immersion." Articles hors thème 40, no. 3 (2015): 579–99. http://dx.doi.org/10.7202/1029075ar.

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Cette étude quantitative corrélationnelle explore la relation entre le sentiment d’autoefficacité des étudiants venant d’immersion, par rapport à l’apprentissage ou l’utilisation du français langue seconde en première année de français à l’université, et leur emploi de stratégies d’apprentissage. Nous avons découvert que le sentiment d’autoefficacité de nos participants est élevé. Les stratégies d’apprentissage sont employées assez fréquemment, mais ce sont les stratégies de compensation qui sont favorisées. Alors que le sentiment d’autoefficacité est lié à l’emploi de stratégies dans une majo

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Pelletier, Benoît. "Préface. Enracinement et identités." Francophonies d'Amérique, no. 26 (September 15, 2009): 17–24. http://dx.doi.org/10.7202/037972ar.

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Résumé Le thème de l’enracinement est particulièrement évocateur. Il fait allusion aux traces laissées par le passage du temps, à une prise solide sur le réel, à une présence profonde, soutenue et durable, à la longévité, à la fermeté et à la dignité. C’est le contraire de la superficialité, de la vacuité. Cette image convient parfaitement à la francophonie canadienne. Cette dernière n’est-elle pas fermement ancrée, fixée dans l’espace canadien ? Ne fait-elle pas partie depuis longtemps du paysage qui compose le Canada ? N’est-elle pas irriguée par l’histoire ? N’a-t-elle pas surgi d’un sol pa

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Wei, Jiaotong, Yan Han, and Ping Chen. "Narrow-Energy-Width CT Based on Multivoltage X-Ray Image Decomposition." International Journal of Biomedical Imaging 2017 (2017): 1–9. http://dx.doi.org/10.1155/2017/8126019.

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A polychromatic X-ray beam causes the grey of the reconstructed image to depend on its position within a solid and the material being imaged. This factor makes quantitative measurements via computed tomography (CT) imaging very difficult. To obtain a narrow-energy-width reconstructed image, we propose a model to decompose multivoltage X-ray images into many narrow-energy-width X-ray images by utilizing the low frequency characteristics of X-ray scattering. It needs no change of hardware in the typical CT system. Solving the decomposition model, narrow-energy-width projections are obtained and

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Jahari, Ahmad Fadhil, Siti Rohaida Mohd Shafian, Hazlina Husin, Norzafirah Razali, and Sonny Irawan. "Quantification method of suspended solids in micromodel using image analysis." Journal of Petroleum Exploration and Production Technology 11, no. 5 (2021): 2271–86. http://dx.doi.org/10.1007/s13202-021-01153-x.

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AbstractMicromodel can provide valuable information to improve understanding of pore-scale transport phenomenon and can also be utilized to simulate the transport process at pore scale. This research aims to propose settlement option for quantification of suspended solids in micromodel. The micromodel is used to mimic the formation damage which occurs in reservoir formation that could simultaneously affect enhanced oil recovery. This is done by utilizing visual image interpretation through image analysis on micromodel chip. Following the quantification of suspended solids, the micromodel was i

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Carolina, Sparavigna Amelia. "Image Segmentation Applied to the Study of Micrographs of Cellular Solids." International Journal of Sciences Volume 6, no. 2017-02 (2017): 68–76. https://doi.org/10.5281/zenodo.3349377.

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The paper is proposing a method of image segmentation applied to the study of the micrographs of cellular solids. The segmentation is based on a thresholding which creates a binary (black and white) image of the micrograph. The binary image is divided in super-pixels which correspond to the microcells of the material. From the areas of the super-pixels it is easy to evaluate the distribution of the size of the cells and correlate this distribution to the properties of the material.Read Complete Article at ijSciences: V62017021201 AND DOI: http://dx.doi.org/10.18483/ijSci.1201

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You, Yun-Wen, Hsun-Yun Chang, Hua-Yang Liao, et al. "Electron Tomography of HEK293T Cells Using Scanning Electron Microscope–Based Scanning Transmission Electron Microscopy." Microscopy and Microanalysis 18, no. 5 (2012): 1037–42. http://dx.doi.org/10.1017/s1431927612001158.

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AbstractBased on a scanning electron microscope operated at 30 kV with a homemade specimen holder and a multiangle solid-state detector behind the sample, low-kV scanning transmission electron microscopy (STEM) is presented with subsequent electron tomography for three-dimensional (3D) volume structure. Because of the low acceleration voltage, the stronger electron-atom scattering leads to a stronger contrast in the resulting image than standard TEM, especially for light elements. Furthermore, the low-kV STEM yields less radiation damage to the specimen, hence the structure can be preserved. I

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Alliau, Damien, Sébastien Roux, and Léa Parelle. "Apports de la modélisation physique avec distorsions pour l'analyse des cours d'eau sableux : exemple de la Loire aval." La Houille Blanche, no. 2 (April 2020): 14–33. http://dx.doi.org/10.1051/lhb/2020013.

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Création de 700 épis dans le dernier siècle, extractions massives de sable réalisées pour les besoins de l'industrie … ces actions anthropiques ont eu des conséquences graves sur le fonctionnement de la Loire : enfoncement du lit, et mauvaise alimentation des annexes fluviales notamment. Dans le cadre du plan Loire IV (2014–2020) financé notamment par l'Union européenne, et dont la maîtrise d'ouvrage est en partie portée par Voies Navigables de France (VNF), la réalisation d'un ouvrage de correction sédimentaire a été proposée au voisinage de Nantes, avec l'objectif d'engendrer un remous solid

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Sandford, James, Woodrow Barfield, and James Foley. "Empirical Studies of Interactive Computer Graphics: Perceptual and Cognitive Issues." Proceedings of the Human Factors Society Annual Meeting 31, no. 5 (1987): 519–23. http://dx.doi.org/10.1177/154193128703100508.

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Two experiments were performed to test the effects of varying computer graphics realism cues (wireframe vs. solid figures, flat vs. smooth shading for solid figures, and one or two light sources for solid figures) on the performance of a standard cognitive task (mental rotation) and on the subjective perceived realism of the computer-generated images. In the mental rotation experiment, mean reaction times were slower for wireframe than for smooth and flat shaded images and significant effects for figure complexity and angle of rotation were shown. In the second experiment, subjective ratings o

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Borg, E., A. Attaelmanan, and H. G. Gröndahl. "Subjective image quality of solid-state and photostimulable phosphor systems for digital intra-oral radiography." Dentomaxillofacial Radiology 29, no. 2 (2000): 70–75. http://dx.doi.org/10.1038/sj/dmfr/4600501.

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OBJECTIVES To compare subjectively the image quality of intra-oral radiographs from six digital systems. METHODS Two generations of two different solid-state detectors; Visualix-1 and -2 (Gendex Dental Systems, Milan, Italy), Computed Dental Radiography (CDR) and CDR Active Pixel Sensor (APS) (Schick Technologies Inc., Long Island City, NY, USA), and two photostimulable phosphor (PSP) systems; Digora (Soredex, Orion Corporation, Helsinki, Finland) and DenOptix (Gendex Dental Systems, Milan, Italy) were compared. Tooth-containing specimens from different areas of dried mandibles were radiograph

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Do, A., A. M. Angulo, S. R. Nagel, et al. "High spatial resolution and contrast radiography of hydrodynamic instabilities at the National Ignition Facility." Physics of Plasmas 29, no. 8 (2022): 080703. http://dx.doi.org/10.1063/5.0087214.

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We are developing techniques for studying the Rayleigh–Taylor (RT) and Richtmyer–Meshkov (RM) instabilities in a planar geometry at high-energy-densities at the National Ignition Facility (NIF). In particular, through the improvement of experimental imaging quality, we are progressing toward the study of the turbulent regime of the mixing regions in capsule implosion experiments for inertial confinement fusion, which requires few micrometers resolution. Using 60 NIF beams, a solid shock tube is driven launching a shock wave that crosses the interface between a dense and a light material pre-ma

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Hendrata Wibisana, Bagas Aryaseta, and Primasari Cahya Wardhani. "Analysis of Total Suspended Solid Algorithm on Tuban Coast with 2 Channel Approach of Visible Light Wavelength Satellite Image." Technium: Romanian Journal of Applied Sciences and Technology 16 (October 29, 2023): 350–54. http://dx.doi.org/10.47577/technium.v16i.10009.

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Satellite image channels have been widely used by researchers from various countries to map and analyze variables that have a lot of influence on ecosystem changes including the total suspended solid levels scattered on the coast. The use of 1 channel in satellite images provides many results with various good correlations, but in this study, we want to try to use a 2-channel approach to get more optimal results from total suspended solid mapping. The area of interest for research is the Tuban coastline which has a fairly flat and not hilly coastal morphology so that sea currents that carry so

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Pham, Nam, Jong-Weon Lee, Goo-Rak Kwon, and Chun-Su Park. "Hybrid Image-Retrieval Method for Image-Splicing Validation." Symmetry 11, no. 1 (2019): 83. http://dx.doi.org/10.3390/sym11010083.

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Recently, the task of validating the authenticity of images and the localization of tampered regions has been actively studied. In this paper, we go one step further by providing solid evidence for image manipulation. If a certain image is proved to be the spliced image, we try to retrieve the original authentic images that were used to generate the spliced image. Especially for the image retrieval of spliced images, we propose a hybrid image-retrieval method exploiting Zernike moment and Scale Invariant Feature Transform (SIFT) features. Due to the symmetry and antisymmetry properties of the

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Hakiki, Rijal, Irwan Purnama, Yuniati Zevi, and Barti Setiani Muntalif. "Limiting Factors of Simultaneous Measurement Method for Turbidity and Total Suspended Solids Based on Image Processing Approaches." Journal of Physics: Conference Series 2705, no. 1 (2024): 012021. http://dx.doi.org/10.1088/1742-6596/2705/1/012021.

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Abstract Image processing is one of the computational approaches that can be applied to measure fluctuations in surface water pollutant concentrations. Identifying factors that can affect and become a limitation in the development of image processing-based simultaneous measurement methods is the focus of the discussion in this article. Nineteen variables have been identified from the three-factor categories of hardware configuration, software settings, and the measured suspension characteristics. Measurements were made on thirty images extracted from video captured with a USB Mechanic-DX-230 c

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Kim, H. G., W. Yoon, S. Rhee, and T. Kim. "AUTOMATIC METHOD FOR GENERATING 3D BUILDING MODELS WITH TEXTURE FROM UAV IMAGES." International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLIII-B1-2022 (May 30, 2022): 375–82. http://dx.doi.org/10.5194/isprs-archives-xliii-b1-2022-375-2022.

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Abstract. In this paper, we propose a method for automatically generating 3D building models from UAV image based point cloud data and for mapping building texture from UAV images. The proposed method generates dense point clouds from UAV images and isolates points from building areas through a statistical analysis. It then generates solid models as 3D building models by point cloud analysis per building area. Texture for 3D building solid models are created by mapping model face to UAV images. In order to verify the proposed method, various UAV image sets and point clouds were tested. As resu

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Kawabata, Ryo, and Kiyoshi Itoh. "COMPUTER-AIDED SOLID GEOMETRY LEARNING (CASGL)." Journal of Integrated Design and Process Science: Transactions of the SDPS, Official Journal of the Society for Design and Process Science 13, no. 4 (2009): 19–34. http://dx.doi.org/10.3233/jid-2009-13403.

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CASGL helps learners to draw solids as 3D images, rotate the images in different directions so as to understand the different orientations of the geometrical shape in 3D space. The learner can view a solid from different angles by rotating it and study the various three-dimensional aspects of the solid. It also facilitates the learning of (1) cross-sections by cutting a given solid by a plane knife at a given angle and orientation, (2) projection of the solid figure on a desired plane and the rest, (3) intersection of two or more solids, (4) orthographic views, (5) perspective and positional r

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Chen, Haitao. "Optimization of an Intelligent Sorting and Recycling System for Solid Waste Based on Image Recognition Technology." Advances in Mathematical Physics 2021 (December 3, 2021): 1–12. http://dx.doi.org/10.1155/2021/4094684.

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In this paper, the technique of image recognition algorithm is used to conduct an in-depth study and analysis of the intelligent classification and recycling system of solid waste and to optimize the design of its system. The network structure and detection principle of the YOLO target detection algorithm based on convolutional neural nets are analysed, images of construction solid waste are collected as a dataset, and the image dataset is expanded using data enhancement techniques, and the target objects in the dataset are labelled and used to train their own YOLO detection models. To facilit

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Mustafa, Mustafa T., Khalid I. Hassoon, Hussain M. Hussain, and Modher H. Abd. "USING WATER INDICES (NDWI, MNDWI, NDMI, WRI AND AWEI) TO DETECT PHYSICAL AND CHEMICAL PARAMETERS BY APPLY REMOTE SENSING AND GIS TECHNIQUES." International Journal of Research -GRANTHAALAYAH 5, no. 10 (2017): 117–28. http://dx.doi.org/10.29121/granthaalayah.v5.i10.2017.2289.

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This study was undertaken by analyzing data from satellite image (Landsat-8 OLI) and geographical information system (GIS) to find the relationship between water parameters and water indices of spectral images. The main purpose of this research was to develop a model for the physical and chemical parameters of Gharraf stream in Iraq. The water parameters used in this study included: acidity (PH), Total Dissolved Solids (T.D.S), Alkalinity(ALK), Electrical Conductivity (E.C), Calcium(Ca), Chloride (CL), Sodium (Na), Sulfate (SO4), Potassium (k), Total suspended solid (T.S.S), Total Hardness (TH

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Dr., Mustafa T. Mustafa, Khalid I. Hassoon Dr., Hussain M. Hussain Dr., and H. Abd Modher. "USING WATER INDICES (NDWI, MNDWI, NDMI, WRI AND AWEI) TO DETECT PHYSICAL AND CHEMICAL PARAMETERS BY APPLY REMOTE SENSING AND GIS TECHNIQUES." International Journal of Research - Granthaalayah 5, no. 10 (2017): 117–28. https://doi.org/10.5281/zenodo.1040209.

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This study was undertaken by analyzing data from satellite image (Landsat-8 OLI) and geographical information system (GIS) to find the relationship between water parameters and water indices of spectral images. The main purpose of this research was to develop a model for the physical and chemical parameters of Gharraf stream in Iraq. The water parameters used in this study included: acidity (PH), Total Dissolved Solids (T.D.S), Alkalinity(ALK), Electrical Conductivity (E.C), Calcium(Ca), Chloride (CL), Sodium (Na), Sulfate (SO4), Potassium (k), Total suspended solid (T.S.S), Total Hardness (TH

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Treado, Patrick J., Ira W. Levin, and E. Neil Lewis. "High-Fidelity Raman Imaging Spectrometry: A Rapid Method Using an Acousto-Optic Tunable Filter." Applied Spectroscopy 46, no. 8 (1992): 1211–16. http://dx.doi.org/10.1366/0003702924123980.

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In this communication, we describe a technique for obtaining high-fidelity Raman images and Raman spectra. The instrumentation provides the ability to rapidly collect large-format images with the number of image pixels limited only by the number of detector elements in the silicon charge-coupled device (CCD). Wavelength selection is achieved with an acousto-optic tunable filter (AOTF), which maintains image fidelity while providing spectral selectivity. Under computer control the AOTF is capable of µs tuning speeds within the operating range of the filter (400–1900 nm). The AOTF is integrated

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Kondo, Masaki. "Unfolding the In-between Image: The Emergence of an Incipient Image at the Intersection of Still and Moving Images." Contemporaneity: Historical Presence in Visual Culture 3 (June 5, 2014): 50–61. http://dx.doi.org/10.5195/contemp.2014.80.

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As digital technology has transformed various aspects of our screen culture over the past few decades, we have been witnessing a disappearing boundary between photographic still images and cinematic moving images. An emerging in-between image has become increasingly prominent in this new image culture, which attempts to negotiate the grey area between stillness and movement. This in-between image, manifest in a variety of formats and media, points to an increasingly solid middle ground between the traditional divisions of still and moving images. This paper builds a conceptual framework for an

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Goncharov, V. D., E. G. Evdakova, and R. V. Yashkardin. "Creation of the solid brain model." LETI Transactions on Electrical Engineering & Computer Science 15, no. 1 (2022): 55–62. http://dx.doi.org/10.32603/2071-8985-2022-15-1-55-62.

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The work is devoted to the description of algorithms for the mathematical processing of MRI images of the human brain. The results of mathematical processing are used to create a mathematical model describing the electromagnetic processes occurring in the brain when exposed to transcranial magnetic stimulation. Transcranial magnetic stimulation is used to treat various neurodegenerative diseases. For the development of models, 3D Slicer Simple Data images were selected, which are freely available in DICOM format. For processing and selection of a three-dimensional surface, step-by-step image p

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Arai, Shigeo, Susumu Tsukimoto, Shunsuke Muto, and Hiroyasu Saka. "Direct Observation of the Atomic Structure in a Solid–Liquid Interface." Microscopy and Microanalysis 6, no. 4 (2000): 358–61. http://dx.doi.org/10.1017/s1431927602000612.

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AbstractAn experimental high-resolution image of a solid–liquid interface of solid Si and liquid Al–Si alloy has been compared with theoretical images obtained by computer simulation. It has been concluded that the solid–liquid interface has a transition layer, the structure of which is compatible with the 1 × 1 Si-{111} surface.

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Arai, Shigeo, Susumu Tsukimoto, Shunsuke Muto, and Hiroyasu Saka. "Direct Observation of the Atomic Structure in a Solid–Liquid Interface." Microscopy and Microanalysis 6, no. 4 (2000): 358–61. http://dx.doi.org/10.1007/s100050010030.

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Abstract An experimental high-resolution image of a solid–liquid interface of solid Si and liquid Al–Si alloy has been compared with theoretical images obtained by computer simulation. It has been concluded that the solid–liquid interface has a transition layer, the structure of which is compatible with the 1 × 1 Si-{111} surface.

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White, Amanda J., and Denton S. Ebel. "Imaging Samples in Silica Aerogel Using an Experimental Point Spread Function." Microscopy and Microanalysis 21, no. 1 (2014): 172–78. http://dx.doi.org/10.1017/s1431927614013610.

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AbstractLight microscopy is a powerful tool that allows for many types of samples to be examined in a rapid, easy, and nondestructive manner. Subsequent image analysis, however, is compromised by distortion of signal by instrument optics. Deconvolution of images prior to analysis allows for the recovery of lost information by procedures that utilize either a theoretically or experimentally calculated point spread function (PSF). Using a laser scanning confocal microscope (LSCM), we have imaged whole impact tracks of comet particles captured in silica aerogel, a low density, porous SiO2 solid,

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Li, Tongtong, Qiang Lin, Yanru Guo, et al. "Automated detection of skeletal metastasis of lung cancer with bone scans using convolutional nuclear network." Physics in Medicine & Biology 67, no. 1 (2022): 015004. http://dx.doi.org/10.1088/1361-6560/ac4565.

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Abstract A bone scan is widely used for surveying bone metastases caused by various solid tumors. Scintigraphic images are characterized by inferior spatial resolution, bringing a significant challenge to manual analysis of images by nuclear medicine physicians. We present in this work a new framework for automatically classifying scintigraphic images collected from patients clinically diagnosed with lung cancer. The framework consists of data preparation and image classification. In the data preparation stage, data augmentation is used to enlarge the dataset, followed by image fusion and thor

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Hokka, Jenni, and Matti Nelimarkka. "Affective economy of national-populist images: Investigating national and transnational online networks through visual big data." New Media & Society 22, no. 5 (2019): 770–92. http://dx.doi.org/10.1177/1461444819868686.

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In our article, we investigate the affective economy of national-populist image circulation on Facebook. This is highly relevant, since social media has been an essential area for the spread of national-populist ideology. In our research, we analyse image circulation as affective practice, combining qualitative and quantitative methods. We use computational data analysis methods to examine visual big data: image fingerprints and reverse image search engines to track down the routes of thousands of circulated images as well as make discourse-historical analysis on the images that have gained mo

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Gross, Colin F., Lisa Jungblut, Sebastian Schindera, et al. "Comparability of Pulmonary Nodule Size Measurements among Different Scanners and Protocols: Should Diameter Be Favorized over Volume?" Diagnostics 13, no. 4 (2023): 631. http://dx.doi.org/10.3390/diagnostics13040631.

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Background: To assess the impact of the lung cancer screening protocol recommended by the European Society of Thoracic Imaging (ESTI) on nodule diameter, volume, and density throughout different computed tomography (CT) scanners. Methods: An anthropomorphic chest phantom containing fourteen different-sized (range 3–12 mm) and CT-attenuated (100 HU, −630 HU and −800 HU, termed as solid, GG1 and GG2) pulmonary nodules was imaged on five CT scanners with institute-specific standard protocols (PS) and the lung cancer screening protocol recommended by ESTI (ESTI protocol, PE). Images were reconstru

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Liu, X. K., Q. Yu, X. H. Pan, Z. H. Yu, and X. X. Lu. "Image contrast enhancement algorithm for X-ray observation of space materials in situ." Journal of Instrumentation 17, no. 06 (2022): P06010. http://dx.doi.org/10.1088/1748-0221/17/06/p06010.

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Abstract Chinese Space Station has planned a high-temperature material science experiment rack, equipped with an X-ray projection imaging module, to support the development of material experiments and research in space. BiFeO3 has been selected as the first batch of experimental materials for Chinese Space Station. The melting and solidification process of BiFeO3, an opaque, high-temperature material, is observed by X-ray observation module in situ. X-ray is the dominant way to observe opaque materials due to its penetrability. In-situ observation of materials is the top priority of this study

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Yao, Xiu Hong, and Wen Xing Bao. "High Resolution RS Image Industrial Solid Wastes Extraction Based on SVM." Applied Mechanics and Materials 543-547 (March 2014): 2318–22. http://dx.doi.org/10.4028/www.scientific.net/amm.543-547.2318.

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In order to accurately extract various types of industrial solid wastes from high resolution RS images, a industrial solid wastes feature fast extraction algorithm was proposed based on SVM. The reasonable image pretreatment was conducted by anisotropic diffusion filtering firstly. It is because that high resolution RS image contains abundant information and industrial solid wastes heap was very complex, we proposed the classification algorithm based on 1-v-1 which could extract multi-class industrial solid wastes fast and accurately at once. The new algorithm improved both efficiency and accu

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Zhang, Feng, Ghislain Bournival, Hamed Lamei Ramandi, and Seher Ata. "Digital Cake Analysis: A Novel Coal Filter Cake Examination Technique Using Microcomputed Tomography." Minerals 13, no. 12 (2023): 1509. http://dx.doi.org/10.3390/min13121509.

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Filtration is crucial for separating solids and liquids in various industries. Understanding slurry properties and filter cake structures is essential for optimising filtration performance. Conventional methods focus on interpreting filtration data to improve the understanding of filtration mechanisms. However, examining fragile filter cakes is challenging, and current techniques often alter their structure. Conventional methods only provide an average representation of cake porosity, neglecting variations in porosity and pore distribution across the cake thickness. This study introduces the D

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Zhao, Jiangsan, Dmitry Kechasov, Boris Rewald, et al. "Deep Learning in Hyperspectral Image Reconstruction from Single RGB images—A Case Study on Tomato Quality Parameters." Remote Sensing 12, no. 19 (2020): 3258. http://dx.doi.org/10.3390/rs12193258.

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Hyperspectral imaging has many applications. However, the high device costs and low hyperspectral image resolution are major obstacles limiting its wider application in agriculture and other fields. Hyperspectral image reconstruction from a single RGB image fully addresses these two problems. The robust HSCNN-R model with mean relative absolute error loss function and evaluated by the Mean Relative Absolute Error metric was selected through permutation tests from models with combinations of loss functions and evaluation metrics, using tomato as a case study. Hyperspectral images were subsequen

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Chen, Ning, Shu Sen Yang, and Hui Ze Xu. "The Application of Image Entropy in the Recognition of Free Fluid Spread Motion." Applied Mechanics and Materials 665 (October 2014): 685–90. http://dx.doi.org/10.4028/www.scientific.net/amm.665.685.

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In this paper, we introduce the image entropy value into the image pattern recognition of movement, to distinguish the differences between solid movement and diffusion movement. Through the theoretical analysis of the fluid free diffusion movement, the characteristics of the movement were summed up, and the effect of the movement on images was studied. Through simulation and calculation of different movement, their effects on image entropy’s variation were summarized. Finally, through experiments, the image entropy’s variation in practical application was explored, and the results were analyze

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Wang 王, Ji 吉. "Early Accretion of Large Amounts of Solids for Directly Imaged Exoplanets." Astrophysical Journal 981, no. 2 (2025): 138. https://doi.org/10.3847/1538-4357/adb42c.

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Abstract As the number of planetary-mass objects (PMOs; ⪅13 M Jupiter) at wider separation (⪆10 au) grows, there is emerging evidence that they form differently from their higher-mass brown dwarf counterparts. Specifically, PMOs’ atmospheres are often enriched by metals and show a large dispersion of metallicity, which is usually interpreted as a sign of solid accretion. As a first step toward a population-level study of the amount and timing of solid accretion, we analyze a sample of seven directly imaged exoplanets with measured stellar and planetary chemical abundances (51 Eri b, β Pic b, H

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Bharti Gawali, Chitra Desai, Santosh Gaikwad,. "Discrete Wavelet Transformation based Multimodal Medical Image Fusion for Disease Identification." Power System Technology 48, no. 1 (2024): 620–30. http://dx.doi.org/10.52783/pst.319.

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In medical science, image processing techniques play a significant function. Computational automation of the treatment is the most authentic and prominent method. The disease of the brain is identified using Magnetic Resonance Imaging (MRI) and Positron Emission Tomography (PET). Many more scan variations of MRI and PET have been executed for the medical diagnosis. The medical expert needs a solid strain of the computational scan and it’s related for diagnosis. The current era of computer research is turning towards clinical diagnosis and etiological analysis based on multimodal image processi

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Cho, Hyun-Woong, Sanghoon Lee, Jin Hwa Hong, Seonkyung Kim, Jaeyun Song, and Jae Kwan Lee. "Pelvic ultrasound-based deep learning models for accurate diagnosis of ovarian cancer: Retrospective multicenter study." Journal of Clinical Oncology 42, no. 16_suppl (2024): 5543. http://dx.doi.org/10.1200/jco.2024.42.16_suppl.5543.

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5543 Background: Although pelvic ultrasound is useful modality to diagnose ovarian cancer, there is few studies to evaluate the performance of deep learning model. Development of deep learning based on aggregating ultrasound images and clinical information such as age and CA-125 data might be beneficial to differentiated malignancy from benign ovarian cyst. The objective of this study is to build a deep learning model with advanced accuracy of differential diagnosis between malignant and benign lesions of ovary. Methods: Pelvic ultrasound images, information of age and ca-125 level at diagnosi

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Nuyts, J., S. A. Zaman Pour, S. Noë, G. Schramm, and A. Rezaei. "On estimating the effective sensitivity of a TOF-PET system for a particular imaging task." Journal of Instrumentation 19, no. 12 (2024): C12002. https://doi.org/10.1088/1748-0221/19/12/c12002.

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Abstract Comparing positron emission tomography (PET) systems which have different features is not straightforward. To address this, we propose to image the same object with all considered PET systems using a fixed scan time, and reconstruct from each scan an image at the same predefined spatial resolution. With such resolution matched reconstructions, the images should be identical except for their noise. Therefore, the PET system that produces the image with the lowest variance has the best performance. An analytical model is described to compute this variance, assuming that the PET system i

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Zhuang, Zilong, Ying Liu, Yutu Yang, Yinxi Shen, and Binli Gou. "Color Regression and Sorting System of Solid Wood Floor." Forests 13, no. 9 (2022): 1454. http://dx.doi.org/10.3390/f13091454.

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Solid wood floors are very common in interior decoration, and their color is an important indicator of product quality, selected in order to achieve the overall aesthetic needed to ensure color consistency. In order to realize the sorting of solid wood floors based on color depth, so that the colors of solid wood floors could be freely graded, one image acquisition system was built to collect 108 solid wood floor images and a set of fast sorting methods for solid wood floor color depth was developed. Among these, 10 solid wood floor images were used as the test set and therefore not sorted, an

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Chen, Hong Qian, Zhao Shen Qing, Da Zhou Zhu, Zhen Hua Tu, and Chao Ying Meng. "Honey Quality Predictions Based on Vis-NIR Laser Diffuse Reflectance Image." Applied Mechanics and Materials 195-196 (August 2012): 1321–26. http://dx.doi.org/10.4028/www.scientific.net/amm.195-196.1321.

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Based on machine version and laser image analysis, the lasers with wavelength of 980 nm, 938 nm, and 780 nm were used to detect the water and soluble solids content (SSC) of honey samples. In the course of the experiment, an image acquisition platform was designed to collect the images formed on the surface of each honey sample, and the image processing software was used to extract the images feature parameters. The results showed that the models based on mean value of intensities had the r value of 0.4268 for water and 0.3882 for SSC, the model based on the frequency of intensities had the r

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Ninsalam, Y., R. Qin, and J. Rekittke. "APPLICATION FOR 3D SCENE UNDERSTANDING IN DETECTING DISCHARGE OF DOMESTICWASTE ALONG COMPLEX URBAN RIVERS." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLI-B3 (June 10, 2016): 663–67. http://dx.doi.org/10.5194/isprs-archives-xli-b3-663-2016.

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In our study we use 3D scene understanding to detect the discharge of domestic solid waste along an urban river. Solid waste found along the Ciliwung River in the neighbourhoods of Bukit Duri and Kampung Melayu may be attributed to households. This is in part due to inadequate municipal waste infrastructure and services which has caused those living along the river to rely upon it for waste disposal. However, there has been little research to understand the prevalence of household waste along the river. Our aim is to develop a methodology that deploys a low cost sensor to identify point source

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Ninsalam, Y., R. Qin, and J. Rekittke. "APPLICATION FOR 3D SCENE UNDERSTANDING IN DETECTING DISCHARGE OF DOMESTICWASTE ALONG COMPLEX URBAN RIVERS." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLI-B3 (June 10, 2016): 663–67. http://dx.doi.org/10.5194/isprsarchives-xli-b3-663-2016.

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In our study we use 3D scene understanding to detect the discharge of domestic solid waste along an urban river. Solid waste found along the Ciliwung River in the neighbourhoods of Bukit Duri and Kampung Melayu may be attributed to households. This is in part due to inadequate municipal waste infrastructure and services which has caused those living along the river to rely upon it for waste disposal. However, there has been little research to understand the prevalence of household waste along the river. Our aim is to develop a methodology that deploys a low cost sensor to identify point source

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Setiabudi, Agus, Asep Wahyudin, Galuh Yuliani, and Mauro Mocerino. "Microscopic Observation of Solid-Liquid Reaction: A Novel Laboratory Approach to Teaching Rate of Reaction." Indonesian Journal of Chemistry 17, no. 1 (2017): 119. http://dx.doi.org/10.22146/ijc.23642.

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The importance of observation in science and science education has triggered this laboratory development study that investigated the value of an observation kit as a new approach to teaching rate of reaction in general chemistry class. The kit consists of a digital microscope, a “chemical reactor”, and a tailor-made computer application and was used to video-record a solid-liquid reaction and to produce a series of two dimensional solid images that indicate the extent of reaction. The two dimensional image areas were calculated by the computer application and using the assumption that the imag

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Wells, Oliver C. "Optimizing the collector solid angle for the low-loss electron image in the Scanning Electron Microscope." Proceedings, annual meeting, Electron Microscopy Society of America 45 (August 1987): 548–49. http://dx.doi.org/10.1017/s042482010012730x.

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The low-loss electron (LLE) image in the scanning electron microscope (SEM) is formed by collecting backscattered electrons (BSE) that have lost less than a specified energy. Compared to the secondary electron (SE) image, these images are less affected by specimen charging and show the surface topography clearly when examining uncoated photoresist. However, LLE images sometimes contain dark shadows caused by the limited solid angle of the LLE detector. Here, we describe a way to position the sample (with a given LLE detector) so as to reduce these shadows as far as possible.The SEM was a Cambr

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Wang, Han, Kai Zong, Dongfeng Gao, Xuerui Xu, and Yanwei Wang. "Research on Two-Dimensional Digital Map Modeling Method Based on UAV Aerial Images." Applied Sciences 15, no. 7 (2025): 3818. https://doi.org/10.3390/app15073818.

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Accurate acquisition of two-dimensional digital maps of disaster sites is crucial for rapid and effective emergency response. The construction of two-dimensional digital maps using unmanned aerial vehicle (UAV) aerial images is not affected by factors such as signal interference, terrain, or complex building structures, which are common issues with methods like single-soldier image transmission or satellite imagery. Therefore, this paper investigates a method for modeling two-dimensional digital maps based on UAV aerial images. The proposed Canny edge-enhanced Speeded-Up Robust Features (C-SUR

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Parinita Chate. "Enhancing Text-To-Image Translation with Stack-Generative Adversarial Networks." Panamerican Mathematical Journal 34, no. 4 (2024): 60–71. http://dx.doi.org/10.52783/pmj.v34.i4.1869.

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Text-to-image translation is the process of generating visually coherent images from textual descriptions. Traditional GANs suffer from inadequacy in capturing intricate details and therefore pose an obstacle in achieving this task. Hence, in this paper, we propose an improved approach based on the concept of Stack Generative Adversarial Networks, in which the generative process is applied in two stages. Stage I produces a 64x64 low-resolution image that offers solid shapes and colors. Then, in Stage II, this is further intensified into a resolution of 256x256 such that it closely resembles th

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Yin, Jian Jun, Jia Qing Lin, S. Mittal Gauri, and Shuang Li. "Reverse Design and Application of Irregular Planar Part Based on Image Processing." Applied Mechanics and Materials 229-231 (November 2012): 1706–9. http://dx.doi.org/10.4028/www.scientific.net/amm.229-231.1706.

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By using a computer vision detection system to obtain high resolution images of a machine part, a kind of reverse design method of solid modeling of irregular planar part with aided implementation of computer vision was proposed in this paper, which integrates image processing function of Matlab software with solid modeling function of computer aided design (CAD) software. The method used a calibrated digital camera to get the image of the tested part, a three-dimensional entity vector model may be built up after image inversion, edge detection, vectorization process of binary image and size m

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B.Nagaraju, R.Srija, M.Komala, and P.Dharani. "Applying Medical Technologies for Diagnoising Medical Images by Using Machine Learning." International Journal of Innovative Science and Research Technology 8, no. 5 (2023): 213–18. https://doi.org/10.5281/zenodo.7935352.

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Medical imaging is important in a variety of clinical activities, including early detection, monitoring, an opinion, and therapy evaluation of many medical diseases. grasp medical image analysis in a computer vision requires a solid grasp of the principles and operations of artificial neural networks, as well as deep literacy. Deep Learning Approach (DLA) in medical image processing is emerging as a rapidly increasing research subject. DLA has been widely utilised in medical imaging to characterise the presence or absence of a complaint. The vast majority of DLA executions focus on X-ray pictu

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Hobbs, Linn W. "Beam-Induced Indeterminacies In The Ivem." Proceedings, annual meeting, Electron Microscopy Society of America 48, no. 1 (1990): 484–85. http://dx.doi.org/10.1017/s0424820100181178.

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Intermediate-voltage electron microscopes accelerate electrons to energies U between 200 keV and 600 keV to take advantage of a U-3/8 improvement in resolving power which enables sub-0.2nm atomic structure projections to be routinely imaged. This exciting prospect is, however, purchased at the price of uncertainties in the integrity of the images obtained, because the investigating probe unavoidably perturbs the structure which is being imaged. Such perturbations have been relegated historically to the anecdotal realm of “radiation effects” but are really a perverse manifestation of the Uncert

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Pan, M., and P. A. Crozier. "Low-dose high-resolution EM of zeolite materials with slow A scan CCD camera." Proceedings, annual meeting, Electron Microscopy Society of America 50, no. 1 (1992): 302–3. http://dx.doi.org/10.1017/s0424820100121910.

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Zeolite materials are widely used as an important type of catalyst in oil industry. Their catalytic properties and performance are closely related to their unique structures. Use of high resolution electron microscopy (HREM) to characterize structures of zeolite materials has been limited mainly due to the great sensitivity of the framework structures to electron beam irradiation used in the observation. With the recent development in solid state electronics, a new type of image recording device, known as a charge-coupled-device (CCD), has been made possible. Among many of its superior propert

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Perdukova, Daniela, Mišel Batmend, and Pavol Fedor. "Automated Headstone Photo Engraving." Applied Mechanics and Materials 816 (November 2015): 313–20. http://dx.doi.org/10.4028/www.scientific.net/amm.816.313.

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Nowadays, machine engraving of photos into solid materials such as marble or granite is becoming very popular. Relatively cheap CNC machines are available. The problem is that high quality photos are essential to obtain good results. The first part of the paper describes a model of a CNC machine used for engraving and puts down the principles of image processing applied to poor quality photos in order to get the best results, as well as the fundamental image processing methods necessary for achieving satisfactory results when using an electromagnetic diamond percussion tool for engraving. The

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