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Consult the lists of relevant articles, books, theses, conference reports, and other scholarly sources on the topic 'Holography in medicine.'
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Journal articles on the topic "Holography in medicine":
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Nolte, David D. "Cancer Holography for Personalized Medicine." Optics and Photonics News 32, no. 4 (April 1, 2021): 42. http://dx.doi.org/10.1364/opn.32.4.000042.
Hologram technology has attracted a great deal of interest in a wide range of optical fields owing to its potential use in future optical applications, such as holographic imaging and optical data storage. Although there have been considerable efforts to develop holographic technologies using conventional optics, critical issues still hinder their future development. A metasurface, as an emerging multifunctional device, can manipulate the phase, magnitude, polarization and resonance properties of electromagnetic fields within a sub-wavelength scale, opening up an alternative for a compact holographic structure and high imaging quality. In this review paper, we first introduce the development history of holographic imaging and metasurfaces, and demonstrate some applications of metasurface holography in the field of optics. We then summarize the latest developments in holographic imaging in the microwave regime. These functionalities include phase- and amplitude-based design, polarization multiplexing, wavelength multiplexing, spatial asymmetric propagation, and a reconfigurable mechanism. Finally, we conclude briefly on this rapidly developing research field and present some outlooks for the near future.
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Heiss, P., and W. Waters. "Three-Dimensional Imaging in Medicine: Holography." Nuklearmedizin 25, no. 01 (1986): 31–32. http://dx.doi.org/10.1055/s-0038-1624316.
SummaryTwo holographic methods for three-dimensional imaging in medicine are presented. The methods can be applied on the base of various primary projection methods, especially those of nuclear medicine and roentgenology. This three-dimensional display, which is not bound to complicated technical equipments such as computers and graphic displays, can be performed easily at any place: in conference rooms, in surgical units etc. It may be of particular importance for the surgeon in order to visualize the site directly and in its real space dimensions.
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Jung, Minwoo, Hosung Jeon, Sungjin Lim, and Joonku Hahn. "Color Digital Holography Based on Generalized Phase-Shifting Algorithm with Monitoring Phase-Shift." Photonics 8, no. 7 (June 28, 2021): 241. http://dx.doi.org/10.3390/photonics8070241.
Color digital holography (DH) has been researched in various fields such as the holographic camera and holographic microscope because it acquires a realistic color object wave by measuring both amplitude and phase. Among the methods for color DH, the phase-shifting DH has an advantage of obtaining a signal wave of objects without the autocorrelation and conjugate noises. However, this method usually requires many interferograms to obtain signals for all wavelengths. In addition, the phase-shift algorithm is sensitive to the phase-shift error caused by the instability or hysteresis of the phase shifter. In this paper, we propose a new method of color phase-shifting digital holography with monitoring the phase-shift. The color interferograms are recorded by using a focal plane array (FPA) with a Bayer color filter. In order to obtain the color signal wave from the interferograms with unexpected phase-shift values, we devise a generalized phase-shifting DH algorithm. The proposed method enables the robust measurement in the interferograms. Experimentally, we demonstrate the proposed algorithm to reconstruct the object image with negligibly small conjugate noises.
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Dirtoft, B. I. "Dental Holography—Earlier Investigations and Prospective Possibilities." Advances in Dental Research 1, no. 1 (December 1987): 8–13. http://dx.doi.org/10.1177/08959374870010011701.
Optical measuring techniques- such as holography, contouring, moire, and speckle- offer new nondestructive possibilities for bridging the gap between in vitro and in vivo measurements in dentistry, and thus increase the possibility of achieving more accurate and sometimes more objective diagnosis and therapy. This presentation is an attempt to illuminate the future prospects of holography and speckle in the dental field by giving a survey of the past in combination with a vision of the future. Holographic determination of implant properties and polymer testing are discussed to show that different prosthodontic constructions and different dental materials can be tested to obtain information about their deformational behavior. Conditions such as loading, temperature, and moisture are no obstacle, and functional tests can be carried out on realistic objects with complex shapes and various thicknesses as well as on test samples. This can be a great advantage in that it facilitates the laboratory testing of samples of real size and shape under the same conditions as those in clinical testing. Although the oral environment gives rise to a very complex situation, including many parameters with unknown relations and magnitudes, optical methods sometimes provide a picture of the total course of events. Furthermore, clinical time can be saved this way by a reduction of the time needed for treatment of the patient. The future is exciting, but it requires further developments using different optical methods. This is not an utopia; interdisciplinary collaborations and communications between the technical and dental fields are imperative.
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AOYAMA, K., and Q. RU. "Electron holographic observation for biological specimens: electron holography of bio-specimens." Journal of Microscopy 182, no. 3 (June 1996): 177–85. http://dx.doi.org/10.1046/j.1365-2818.1996.133413.x.
In this paper, we present a multicolor display via referenceless phase holography (RELPH). RELPH permits the display of full optical wave fields (amplitude and phase) using two liquid crystal phase-only spatial light modulators in a Michelson-interferometer-based arrangement. Complex wave fields corresponding to arbitrary real or artificial 3D scenes are decomposed into two mutually coherent wave fields of constant amplitude whose phase distributions are modulated onto the wave fields reflected by the respective light modulators. Here, we present the realization of that concept in two different ways: firstly, via temporal multiplexing using a single setup, switching between wavelengths for temporal integration of the respective wavefields; secondly, using spatial multiplexing of different wavelengths with multiple Michelson-based setups; and finally, we present an approach to magnify the 3D scenes displayed by light modulators with limited space–bandwidth product for a comfortable viewing experience.
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Tahon, Marie, Silvio Montresor, and Pascal Picart. "Towards Reduced CNNs for De-Noising Phase Images Corrupted with Speckle Noise." Photonics 8, no. 7 (July 3, 2021): 255. http://dx.doi.org/10.3390/photonics8070255.
Digital holography is a very efficient technique for 3D imaging and the characterization of changes at the surfaces of objects. However, during the process of holographic interferometry, the reconstructed phase images suffer from speckle noise. In this paper, de-noising is addressed with phase images corrupted with speckle noise. To do so, DnCNN residual networks with different depths were built and trained with various holographic noisy phase data. The possibility of using a network pre-trained on natural images with Gaussian noise is also investigated. All models are evaluated in terms of phase error with HOLODEEP benchmark data and with three unseen images corresponding to different experimental conditions. The best results are obtained using a network with only four convolutional blocks and trained with a wide range of noisy phase patterns.
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White, Nicholas. "Holography-the clear plate syndrome." Journal of Audiovisual Media in Medicine 10, no. 4 (January 1987): 135–37. http://dx.doi.org/10.3109/17453058709150470.
Dissertations / Theses on the topic "Holography in medicine":
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Hillman, Timothy R. "Microstructural information beyond the resolution limit : studies in two coherent, wide-field biomedical imaging systems." University of Western Australia. School of Electrical, Electronic and Computer Engineering, 2008. http://theses.library.uwa.edu.au/adt-WU2008.0085.
Les tissus biologiques sont des milieux fortement diffusant pour la lumière. En conséquence, les techniques d'imagerie actuelles ne permettent pas d'obtenir un contraste optique en profondeur à moins d'user d'approches invasives. L'imagerie acousto-optique (AO) est une approche couplant lumière et ultrasons (US) qui utilise les US afin de localiser l'information optique en profondeur avec une résolution millimétrique. Couplée à un échographe commercial, cette technique pourrait apporter une information complémentaire permettant d'augmenter la spécificité des US. Grâce à une détection basée sur l'holographie photoréfractive, une plateforme multi-modale AO/US a pu être développée. Dans ce manuscrit, les premiers tests de faisabilité ex vivo sont détaillés en tant que premier jalon de l'imagerie clinique. Des métastases de mélanomes dans le foie ont par exemple été détectées alors que le contraste acoustique n'était pas significatif. En revanche, ces premiers résultats ont souligné deux obstacles majeurs à la mise en place d'applications cliniques.Le premier concerne la cadence d'imagerie de l'imagerie AO très limitée à cause des séquences US prenant jusqu'à plusieurs dizaines de secondes. Le second concerne le speckle qui se décorrèle en milieu vivant sur des temps inférieurs à 1 ms, trop rapide pour les cristaux photorefractif actuellement en palce. Dans ce manuscrit, je propose une nouvelle séquence US permettant d'augmenter la cadence d'imagerie d'un ordre de grandeur au moins ainsi qu'une détection alternative basée sur le creusement de trous spectraux dans des cristaux dopés avec des terres rares qui permet de s'affranchir de la décorrélation du speckle Biological tissues are very strong light-scattering media. As a consequence, current medical imaging devices do not allow deep optical imaging unless invasive techniques are used. Acousto-optic (AO) imaging is a light-ultrasound coupling technique that takes advantage of the ballistic propagation of ultrasound in biological tissues to access optical contrast with a millimeter resolution. Coupled to commercial ultrasound (US) scanners, it could add useful information to increase US specificity. Thanks to photorefractive crystals, a bimodal AO/US imaging setup based on wave-front adaptive holography was developed and recently showed promising ex vivo results. In this thesis, the very first ones of them are described such as melanoma metastases in liver samples that were detected through AO imaging despite acoustical contrast was not significant. These results highlighted two major difficulties regarding in vivo imaging that have to be addressed before any clinical applications can be thought of.The first one concerns current AO sequences that take several tens of seconds to form an image, far too slow for clinical imaging. The second issue concerns in vivo speckle decorrelation that occurs over less than 1 ms, too fast for photorefractive crystals. In this thesis, I present a new US sequence that allows increasing the framerate of at least one order of magnitude and an alternative light detection scheme based on spectral holeburning in rare-earth doped crystals that allows overcoming speckle decorrelation as first steps toward in vivo imaging
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Nilsson, Daniel. "Development of Next-Generation Optical Tweezers : The New Swiss Army Knife of Biophysical and Biomechanical Research." Thesis, Umeå universitet, Institutionen för fysik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-172362.
In a time when microorganisms are controlling the world, research in biology is more relevant than ever and this requires some powerful instruments. Optical tweezers use a focused laser beam to manipulate and probe objects on the nano- and microscale. This allows for the exploration of a miniature world at the border between biology, chemistry and physics. New methods for biophysical and physicochemical measurements are continuously being developed and at Umeå University there is a need for a new system that combines several of these methods. This would truly be the new Swiss army knife of biophysical and biomechanical research, extending their reach in the world of optical tweezing. My ambition with this project is to design and construct a robust system that incorporates optical trapping with high-precision force measurements and Raman spectroscopy, as well as introducing the possibility of generating multiple traps by using a spatial light modulator (SLM). The proposed design incorporates four different lasers and a novel combination of signal detection techniques. To allow for precise control of the systems components and laser beams, I designed and constructed motorized opto-mechanical components. These are controlled by an in-house developed software that handles data processing and signal analysis, while also providing a user interface for the system. The components include, motorized beam blockers and optical attenuators, which were developed using commonly available 3D printing techniques and electronic controllers. By designing the system from scratch, I could eliminate the known weaknesses of conventional systems and allow for a modular design where components can be added easily. The system is divided into two parts, a laser breadboard and a main breadboard. The former contains all the equipment needed to generate and control the laser beams, which are then coupled through optical fibers to the latter. This contains the components needed to move the optical trap inside the sample chamber, while performing measurements and providing user feedback. Construction and testing was done for one sub-system at a time, while the lack of time required a postponement for the implementation of Raman and SLM. The system performance was verified through Allan variance stability tests and the results were compared with other optical tweezers setups. The results show that the system follows the thermal limit for averaging times (τ) up to ~1 s when disturbances had been eliminated, which is similar to other systems. However, we could also show a decrease in variance all the way to τ = 2000 s, which is exceptionally good and not found in conventional systems. The force-resolution was determined to be on the order of femtonewtons, which is also exceptionally good. Thus, I conclude that this optical tweezers setup could lie as a solid foundation for future development and research in biological science at Umeå University for years to come.
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Kriske, Jeffery Edward Jr. "A scalable approach to processing adaptive optics optical coherence tomography data from multiple sensors using multiple graphics processing units." Thesis, 2014. http://hdl.handle.net/1805/6458.
Indiana University-Purdue University Indianapolis (IUPUI) Adaptive optics-optical coherence tomography (AO-OCT) is a non-invasive method of imaging the human retina in vivo. It can be used to visualize microscopic structures, making it incredibly useful for the early detection and diagnosis of retinal disease. The research group at Indiana University has a novel multi-camera AO-OCT system capable of 1 MHz acquisition rates. Until this point, a method has not existed to process data from such a novel system quickly and accurately enough on a CPU, a GPU, or one that can scale to multiple GPUs automatically in an efficient manner. This is a barrier to using a MHz AO-OCT system in a clinical environment. A novel approach to processing AO-OCT data from the unique multi-camera optics system is tested on multiple graphics processing units (GPUs) in parallel with one, two, and four camera combinations. The design and results demonstrate a scalable, reusable, extensible method of computing AO-OCT output. This approach can either achieve real time results with an AO-OCT system capable of 1 MHz acquisition rates or be scaled to a higher accuracy mode with a fast Fourier transform of 16,384 complex values.
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Shafer, Brandon Andrew. "Real-time adaptive-optics optical coherence tomography (AOOCT) image reconstruction on a GPU." Thesis, 2014. http://hdl.handle.net/1805/6105.
Indiana University-Purdue University Indianapolis (IUPUI) Adaptive-optics optical coherence tomography (AOOCT) is a technology that has been rapidly advancing in recent years and offers amazing capabilities in scanning the human eye in vivo. In order to bring the ultra-high resolution capabilities to clinical use, however, newer technology needs to be used in the image reconstruction process. General purpose computation on graphics processing units is one such way that this computationally intensive reconstruction can be performed in a desktop computer in real-time. This work shows the process of AOOCT image reconstruction, the basics of how to use NVIDIA's CUDA to write parallel code, and a new AOOCT image reconstruction technology implemented using NVIDIA's CUDA. The results of this work demonstrate that image reconstruction can be done in real-time with high accuracy using a GPU.
Books on the topic "Holography in medicine":
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Holographics International '92 (1992 London, England). Holographics International '92: 23-29 July 1992, Imperial College of Science, Technology and Medicine, London, United Kingdom. Edited by Denisi͡u︡k I͡U︡ N, Wyrowski Frank, European Optical Society, and Society of Photo-optical Instrumentation Engineers. Bellingham, Wash., USA: SPIE, 1993.
International Conference on Optics Within Life Sciences (1st 1990 Garmisch-Partenkirchen, Germany). Optics in medicine, biology, and environmental research: Proceedings of the International Conference on Optics Within Life Sciences (OWLS I), Garmisch-Partenkirchen, Germany, 12-16 August 1990. Edited by Bally G. von and Khanna Shyam. Amsterdam: Elsevier, 1993.
Dirtoft, Ingegerd. Holography: A new method for deformation analysis of upper complete dentures in vitro and in vivo. Stockholm, Sweden: Almqvist & Wiksell International, 1985.
Abraham, Dunstan. Emergency medicine sonography: Pocket guide to sonographic anatomy and pathology. Sudbury, Mass: Jones and Bartlett Publishers, 2010.
Fujimoto, James G. Optical coherence tomography and coherence domain optical methods in biomedicine XV: 24-26 January 2011, San Francisco, United States. Edited by SPIE (Society). Bellingham, Wash: SPIE, 2011.
European, Congress on Optics (2nd 1989 Paris France). X-ray instrumentation in medicine and biology, plasma physics, astrophysics, and synchrotron radiation: Proceedings, ECO2, 25-28 April 1989, Paris, France. Bellingham, Wash: SPIE-the International Society for Optical Engineering, 1989.
International Workshop on Adaptive Optics for Industry and Medicine (4th 2003 Münster, Germany). Adaptive optics for industry and medicine: Proceedings of the 4th international workshop, Münster, Germany, Oct. 19-24, 2003. Berlin: Springer, 2005.
Fujimoto, James G. Coherence domain optical methods and optical coherence tomography in biomedicine XII: 21-23 January 2008, San Jose, California, USA. Edited by SPIE (Society). Bellingham, Wash: SPIE, 2008.
Andersen, Peter E. Optical coherence tomography and coherence techniques III: 17-19 June 2007, Munich, Germany. Edited by SPIE (Society), Optical Society of America, European Optical Society, Wissenschaftliche Gesellschaft Lasertechnik, and Deutsche Gesellschaft für Lasermedizin. Bellingham, Wash: SPIE, 2007.
Book chapters on the topic "Holography in medicine":
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Ragai, Jehane. "Holography." In Encyclopaedia of the History of Science, Technology, and Medicine in Non-Western Cultures, 1–10. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-007-3934-5_8637-2.
Ragai, Jehane. "Holography." In Encyclopaedia of the History of Science, Technology, and Medicine in Non-Western Cultures, 2180–87. Dordrecht: Springer Netherlands, 2016. http://dx.doi.org/10.1007/978-94-007-7747-7_8637.
Nolte, David D. "Holography of Tissues." In Optical Interferometry for Biology and Medicine, 307–33. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4614-0890-1_12.
von Bally, G. "Holography in Medical Diagnostics." In Optronic Techniques in Diagnostic and Therapeutic Medicine, 61–72. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4615-3766-3_5.
Podbielska, H. "Laser Holography as a Technique in Experimental Medicine." In NATO ASI Series, 247–55. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4684-7287-5_27.
Bally, G. "Holography in Medicine and Biology - State of the Art and the Problem of Increasing Militarization." In Optical Metrology, 441–58. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3609-6_28.
Sugimoto, Maki. "Extended Reality (XR:VR/AR/MR), 3D Printing, Holography, A.I., Radiomics, and Online VR Tele-Medicine for Precision Surgery." In Surgery and Operating Room Innovation, 65–70. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-8979-9_7.
Yang, Weijian, and Rafael Yuste. "Holographic Imaging and Stimulation of Neural Circuits." In Advances in Experimental Medicine and Biology, 613–39. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-8763-4_43.
Yang, Weijian, and Rafael Yuste. "Correction to: Holographic Imaging and Stimulation of Neural Circuits." In Advances in Experimental Medicine and Biology, C1—C2. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-8763-4_45.
Hauze, Sean W., Helina H. Hoyt, James P. Frazee, Philip A. Greiner, and James M. Marshall. "Enhancing Nursing Education Through Affordable and Realistic Holographic Mixed Reality: The Virtual Standardized Patient for Clinical Simulation." In Advances in Experimental Medicine and Biology, 1–13. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-06070-1_1.
Conference papers on the topic "Holography in medicine":
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von Bally, G. "Holography in medicine." In ICALEO® ‘87: Proceedings of the Laser Research in Medicine Conference. Laser Institute of America, 1987. http://dx.doi.org/10.2351/1.5057917.
Tsujiuchi, Jumpei. "Multiplex Holograms And Their Applications In Medicine." In Holography Applications, edited by Jingtang Ke and Ryszard J. Pryputniewicz. SPIE, 1988. http://dx.doi.org/10.1117/12.939080.
Myers, Bert. "Use of holography in medicine." In Display Holography: Fifth International Symposium, edited by Tung H. Jeong. SPIE, 1995. http://dx.doi.org/10.1117/12.201910.
Gomez-Gonzalez, Emilio. "Virtual holographic recognition and its applications in medicine and other fields." In Holography 2000, edited by Tung H. Jeong and Werner K. Sobotka. SPIE, 2000. http://dx.doi.org/10.1117/12.402476.
von Bally, G. "State Of The Art Of Applications Of Holography In Medicine And Biology." In SPIE International Symposium on Optical Engineering and Industrial Sensing for Advance Manufacturing Technologies, edited by Chander P. Grover. SPIE, 1989. http://dx.doi.org/10.1117/12.947616.
Wang, Huaying, Zhongjia Guo, Wei Liao, and Zhihui Zhang. "The application of digital image plane holography technology to identify Chinese herbal medicine." In Photonics and Optoelectronics Meetings 2011. SPIE, 2012. http://dx.doi.org/10.1117/12.917295.
Wos, Henryk, Lennart Svensson, and Staffan Norlander. "Evaluation of whole-body vibration in the sitting position by double-pulse holography and electromyography." In ICALEO® ‘87: Proceedings of the Laser Research in Medicine Conference. Laser Institute of America, 1987. http://dx.doi.org/10.2351/1.5057898.
Arroyo, Junior, and Benjamin Castaneda. "Shear wave estimation by using Shear Wave Holography with normal vibration: Preliminary results." In 2017 39th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). IEEE, 2017. http://dx.doi.org/10.1109/embc.2017.8037489.
Marzo, Asier, Tatsuki Fushimi, Tom Hill, and Bruce W. Drinkwater. "Holographic acoustic tweezers: future applications in medicine and acoustophoretic displays." In Optical Trapping and Optical Micromanipulation XVI, edited by Kishan Dholakia and Gabriel C. Spalding. SPIE, 2019. http://dx.doi.org/10.1117/12.2527533.
von Bally, G. "Holographic endoscopy." In ICALEO® ‘87: Proceedings of the Laser Research in Medicine Conference. Laser Institute of America, 1987. http://dx.doi.org/10.2351/1.5057899.
