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Relevant bibliographies by topics / Multispectral 3D model

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Journal articles

Academic literature on the topic 'Multispectral 3D model'

Author: Grafiati

Published: 14 March 2023

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Journal articles on the topic "Multispectral 3D model"

1

Sun, Guoxiang, Xiaochan Wang, Ye Sun, Yongqian Ding, and Wei Lu. "Measurement Method Based on Multispectral Three-Dimensional Imaging for the Chlorophyll Contents of Greenhouse Tomato Plants." Sensors 19, no. 15 (2019): 3345. http://dx.doi.org/10.3390/s19153345.

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Nondestructive plant growth measurement is essential for researching plant growth and health. A nondestructive measurement system to retrieve plant information includes the measurement of morphological and physiological information, but most systems use two independent measurement systems for the two types of characteristics. In this study, a highly integrated, multispectral, three-dimensional (3D) nondestructive measurement system for greenhouse tomato plants was designed. The system used a Kinect sensor, an SOC710 hyperspectral imager, an electric rotary table, and other components. A hetero

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Sun, Guoxiang, Yongqian Ding, Xiaochan Wang, Wei Lu, Ye Sun, and Hongfeng Yu. "Nondestructive Determination of Nitrogen, Phosphorus and Potassium Contents in Greenhouse Tomato Plants Based on Multispectral Three-Dimensional Imaging." Sensors 19, no. 23 (2019): 5295. http://dx.doi.org/10.3390/s19235295.

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Measurement of plant nitrogen (N), phosphorus (P), and potassium (K) levels are important for determining precise fertilization management approaches for crops cultivated in greenhouses. To accurately, rapidly, stably, and nondestructively measure the NPK levels in tomato plants, a nondestructive determination method based on multispectral three-dimensional (3D) imaging was proposed. Multiview RGB-D images and multispectral images were synchronously collected, and the plant multispectral reflectance was registered to the depth coordinates according to Fourier transform principles. Based on the

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3

Wisotzky, Eric L., Jean-Claude Rosenthal, Anna Hilsmann, Peter Eisert, and Florian C. Uecker. "A multispectral 3D-Endoscope for Cholesteatoma Removal." Current Directions in Biomedical Engineering 6, no. 3 (2020): 257–60. http://dx.doi.org/10.1515/cdbme-2020-3065.

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AbstractWe present a stereo-multispectral endoscopic prototype using a filter-wheel to guide the removal of cholesteatoma tissue in the middle ear. An image-based method is used that combines multispectral tissue classification for the detection of tissue to be removed and 3Dreconstruction to determine its metric dimensions. The multispectral illumination used for tissue classification ranges from λ = 400 nm to λ = 500 nm with step-size of 20 nm, which results in six different narrow-band illumination modes. For classical RGB imaging and metric calculations, a broadband illumination mode is ap

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Zainuddin, K., Z. Majid, M. F. M. Ariff, K. M. Idris, M. A. Abbas, and N. Darwin. "3D MODELING FOR ROCK ART DOCUMENTATION USING LIGHTWEIGHT MULTISPECTRAL CAMERA." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-2/W9 (January 31, 2019): 787–93. http://dx.doi.org/10.5194/isprs-archives-xlii-2-w9-787-2019.

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<p><strong>Abstract.</strong> This paper discusses the use of the lightweight multispectral camera to acquire three-dimensional data for rock art documentation application. The camera consists of five discrete bands, used for taking the motifs of the rock art paintings on a big structure of a cave based on the close-range photogrammetry technique. The captured images then processed using commercial structure-from-motion photogrammetry software, which automatically extracts the tie point. The extracted tie points were then used as input to generate a dense point cloud based on

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LARSON, ADAM M., ANTHONY LEE, PO-FENG LEE, KAYLA J. BAYLESS, and ALVIN T. YEH. "ULTRASHORT PULSE MULTISPECTRAL NON-LINEAR OPTICAL MICROSCOPY." Journal of Innovative Optical Health Sciences 02, no. 01 (2009): 27–35. http://dx.doi.org/10.1142/s1793545809000292.

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Ultrashort pulse, multispectral non-linear optical microscopy (NLOM) is developed and used to image, simultaneously, a mixed population of cells expressing different fluorescent protein mutants in a 3D tissue model of angiogenesis. Broadband, sub-10-fs pulses are used to excite multiple fluorescent proteins and generate second harmonic in collagen. A 16-channel multispectral detector is used to delineate the multiple non-linear optical signals, pixel by pixel, in NLOM. The ability to image multiple fluorescent protein mutants and collagen, enables serial measurements of cell-cell and cell-matr

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Es Sebar, Leila, Luca Lombardo, Marco Parvis, Emma Angelini, Alessandro Re, and Sabrina Grassini. "A metrological approach for multispectral photogrammetry." ACTA IMEKO 10, no. 4 (2021): 111. http://dx.doi.org/10.21014/acta_imeko.v10i4.1194.

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<p>This paper presents the design and development of a three-dimensional reference object for the metrological quality assessment of photogrammetry-based techniques, for application in the cultural heritage field. The reference object was 3D printed, with nominal manufacturing uncertainty of the order of 0.01 mm. The object was realized as a dodecahedron, and in each face, a different pictorial preparation was inserted. The preparations include several pigments, binders, and varnishes, to be representative of the materials and techniques used historically by artists.</p><p>Si

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Lerma, J. L., M. Cabrelles, T. S. Akasheh, and N. A. Haddad. "Documentation of Weathered Architectural Heritage with Visible, near Infrared, Thermal and Laser Scanning Data." International Journal of Heritage in the Digital Era 1, no. 2 (2012): 251–75. http://dx.doi.org/10.1260/2047-4970.1.2.251.

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Documentation of cultural heritage requires simple, quick and easy to use multi-sensor approaches to determine the state of conservation of monuments and sites. The documentation of a highly weathered architectural heritage such as the Obelisk Tomb is a good example to test the performance integrating multispectral imagery and laser scanning data. The Obelisk Tomb is the first important façade that a visitor sees while entering to the archaeological site of Petra in Jordan. The rich architectural formations carry Egyptian, Hellenistic and Nabataean influences. The damage that was inflicted on

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8

Luo, Heng, Biao He, Renzhong Guo, et al. "Urban Building Extraction and Modeling Using GF-7 DLC and MUX Images." Remote Sensing 13, no. 17 (2021): 3414. http://dx.doi.org/10.3390/rs13173414.

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Urban modeling and visualization are highly useful in the development of smart cities. Buildings are the most prominent features in the urban environment, and are necessary for urban decision support; thus, buildings should be modeled effectively and efficiently in three dimensions (3D). In this study, with the help of Gaofen-7 (GF-7) high-resolution stereo mapping satellite double-line camera (DLC) images and multispectral (MUX) images, the boundary of a building is segmented via a multilevel features fusion network (MFFN). A digital surface model (DSM) is generated to obtain the elevation of

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9

Wisotzky, Eric L., Jean-Claude Rosenthal, Ulla Wege, Anna Hilsmann, Peter Eisert, and Florian C. Uecker. "Surgical Guidance for Removal of Cholesteatoma Using a Multispectral 3D-Endoscope." Sensors 20, no. 18 (2020): 5334. http://dx.doi.org/10.3390/s20185334.

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We develop a stereo-multispectral endoscopic prototype in which a filter-wheel is used for surgical guidance to remove cholesteatoma tissue in the middle ear. Cholesteatoma is a destructive proliferating tissue. The only treatment for this disease is surgery. Removal is a very demanding task, even for experienced surgeons. It is very difficult to distinguish between bone and cholesteatoma. In addition, it can even reoccur if not all tissue particles of the cholesteatoma are removed, which leads to undesirable follow-up operations. Therefore, we propose an image-based method that combines multi

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Suo, McGovern, and Gilmer. "Coastal Dune Vegetation Mapping Using a Multispectral Sensor Mounted on an UAS." Remote Sensing 11, no. 15 (2019): 1814. http://dx.doi.org/10.3390/rs11151814.

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Vegetation mapping, identifying the type and distribution of plant species, is important for analysing vegetation dynamics, quantifying spatial patterns of vegetation evolution, analysing the effects of environmental changes and predicting spatial patterns of species diversity. Such analysis can contribute to the development of targeted land management actions that maintain biodiversity and ecological functions. This paper presents a methodology for 3D vegetation mapping of a coastal dune complex using a multispectral camera mounted on an unmanned aerial system with particular reference to the

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