Relevant bibliographies by topics / Light field images

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Light field images'

Author: Grafiati
Published: 12 October 2024
Last updated: 31 July 2025

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Journal articles on the topic "Light field images"

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Garces, Elena, Jose I. Echevarria, Wen Zhang, Hongzhi Wu, Kun Zhou, and Diego Gutierrez. "Intrinsic Light Field Images." Computer Graphics Forum 36, no. 8 (2017): 589–99. http://dx.doi.org/10.1111/cgf.13154.

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Lee, Seung-Jae, and In Kyu Park. "Dictionary Learning based Superresolution on 4D Light Field Images." Journal of Broadcast Engineering 20, no. 5 (2015): 676–86. http://dx.doi.org/10.5909/jbe.2015.20.5.676.

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Yan, Tao, Yuyang Ding, Fan Zhang, et al. "Snow Removal From Light Field Images." IEEE Access 7 (2019): 164203–15. http://dx.doi.org/10.1109/access.2019.2951917.

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Yu, Li, Yunpeng Ma, Song Hong, and Ke Chen. "Reivew of Light Field Image Super-Resolution." Electronics 11, no. 12 (2022): 1904. http://dx.doi.org/10.3390/electronics11121904.

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Currently, light fields play important roles in industry, including in 3D mapping, virtual reality and other fields. However, as a kind of high-latitude data, light field images are difficult to acquire and store. Thus, the study of light field super-resolution is of great importance. Compared with traditional 2D planar images, 4D light field images contain information from different angles in the scene, and thus the super-resolution of light field images needs to be performed not only in the spatial domain but also in the angular domain. In the early days of light field super-resolution resea
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Kobayashi, Kenkichi, and Hideo Saito. "High-Resolution Image Synthesis from Video Sequence by Light Field." Journal of Robotics and Mechatronics 15, no. 3 (2003): 254–62. http://dx.doi.org/10.20965/jrm.2003.p0254.

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We propose a novel method to synthesize high-resolution images from image sequences taken with a moving video camera. Each frame in the image sequence is a part of the photographed object. Our method integrates these frames to generate high-resolution images of object by constructing a light field, which is quite different from general mosaic methods. In light fields constructed straightforwardly, blur and discontinuity are introduced into synthesized images by depth variation of the object. In our method, the light field is optimized to remove blur and discontinuity so clear images can be syn
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Shi, Shizhou, Chaoqun Ma, Jing Liu, Changpei Ma, Feng Zhang, and Xiaoyu Jiang. "Single-View Encoding of 3D Light Field Based on Editable Field of View Gaussian Splatting." Photonics 12, no. 3 (2025): 279. https://doi.org/10.3390/photonics12030279.

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The paper presents an efficient light field image synthesis method based on single-viewpoint images, which can directly generate high-quality light field images from single-viewpoint input images. The proposed method integrates light field image encoding with the tiled rendering technique of 3DGS. In the construction of the rendering pipeline, a viewpoint constraint strategy is adopted to optimize rendering quality, and a sub-pixel rendering strategy is implemented to improve rendering efficiency. Experimental results demonstrate that 8K light field images with 96 viewpoints can be generated i
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KOMATSU, Koji, Kohei ISECHI, Keita TAKAHASHI, and Toshiaki FUJII. "Light Field Coding Using Weighted Binary Images." IEICE Transactions on Information and Systems E102.D, no. 11 (2019): 2110–19. http://dx.doi.org/10.1587/transinf.2019pcp0001.

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Sun Junyang, 孙俊阳, 孙. 俊. Sun Jun, 许传龙 Xu Chuanlong, 张. 彪. Zhang Biao, and 王式民 Wang Shimin. "A Calibration Method of Focused Light Field Cameras Based on Light Field Images." Acta Optica Sinica 37, no. 5 (2017): 0515002. http://dx.doi.org/10.3788/aos201737.0515002.

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Yamauchi, Masaki, and Tomohiro Yendo. "Light field display using wavelength division multiplexing." Electronic Imaging 2020, no. 2 (2020): 101–1. http://dx.doi.org/10.2352/issn.2470-1173.2020.2.sda-101.

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We propose a large screen 3D display which enables multiple viewers to see simultaneously without special glasses. In prior researches, methods of using a projector array or a swinging screen were proposed. However, the former has difficulty in installing and adjusting a large number of projectors and the latter cases occurrence of vibration and noise because of the mechanical motion of the screen. Our proposed display consists of a wavelength modulation projector and a spectroscopic screen. The screen shows images of which color depends on viewing points. The projector projects binary images
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Salem, Ahmed, Hatem Ibrahem, and Hyun-Soo Kang. "Light Field Reconstruction Using Residual Networks on Raw Images." Sensors 22, no. 5 (2022): 1956. http://dx.doi.org/10.3390/s22051956.

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Although Light-Field (LF) technology attracts attention due to its large number of applications, especially with the introduction of consumer LF cameras and its frequent use, reconstructing densely sampled LF images represents a great challenge to the use and development of LF technology. Our paper proposes a learning-based method to reconstruct densely sampled LF images from a sparse set of input images. We trained our model with raw LF images rather than using multiple images of the same scene. Raw LF can represent the two-dimensional array of images captured in a single image. Therefore, it
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Dissertations / Theses on the topic "Light field images"

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Zhang, Zhengyu. "Quality Assessment of Light Field Images." Electronic Thesis or Diss., Rennes, INSA, 2024. http://www.theses.fr/2024ISAR0002.

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Les images de champs de lumière (LFI) suscitent un intérêt et une fascination remarquables en raison de leur importance croissante dans les applications immersives. Étant donné que les LFI peuvent être déformés à différentes étapes, de l'acquisition à la visualisation, l'évaluation de la qualité des images de champs de lumière (LFIQA) est d'une importance vitale pour surveiller les dégradations potentielles de la qualité des LFI.La première contribution (Chapitre 3) de ce travail se concentre sur le développement de deux métriques LFIQA sans référence (NR) fondées sur des caractéristiques ad-h
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Chiesa, Valeria. "Revisiting face processing with light field images." Electronic Thesis or Diss., Sorbonne université, 2019. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2019SORUS059.pdf.

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L'objectif principal de cette thèse est de présenter une technologie d'acquisition non conventionnelle, d'étudier les performances d'analyse du visage en utilisant des images collectées avec une caméra spéciale, de comparer les résultats avec ceux obtenus en élaborant des données à partir de dispositifs similaires et de démontrer le bénéfice apporté par l'utilisation de dispositifs modernes par rapport à des caméras standards utilisées en biométrie. Au début de la thèse, la littérature sur l'analyse du visage à l'aide de données "light field" a été étudiée. Le problème de la rareté des données
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Dricot, Antoine. "Light-field image and video compression for future immersive applications." Thesis, Paris, ENST, 2017. http://www.theses.fr/2017ENST0008/document.

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L’évolution des technologies vidéo permet des expériences de plus en plus immersives. Cependant, les technologies 3D actuelles sont encore très limitées et offrent des situations de visualisation qui ne sont ni confortables ni naturelles. La prochaine génération de technologies vidéo immersives apparait donc comme un défi technique majeur, en particulier avec la prometteuse approche light-field (LF). Le light-field représente tous les rayons lumineux dans une scène. De nouveaux dispositifs d’acquisition apparaissent, tels que des ensembles de caméras ou des appareils photo plénoptiques (basés
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Dricot, Antoine. "Light-field image and video compression for future immersive applications." Electronic Thesis or Diss., Paris, ENST, 2017. http://www.theses.fr/2017ENST0008.

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L’évolution des technologies vidéo permet des expériences de plus en plus immersives. Cependant, les technologies 3D actuelles sont encore très limitées et offrent des situations de visualisation qui ne sont ni confortables ni naturelles. La prochaine génération de technologies vidéo immersives apparait donc comme un défi technique majeur, en particulier avec la prometteuse approche light-field (LF). Le light-field représente tous les rayons lumineux dans une scène. De nouveaux dispositifs d’acquisition apparaissent, tels que des ensembles de caméras ou des appareils photo plénoptiques (basés
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McEwen, Bryce Adam. "Microscopic Light Field Particle Image Velocimetry." BYU ScholarsArchive, 2012. https://scholarsarchive.byu.edu/etd/3238.

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This work presents the development and analysis of a system that combines the concepts of light field microscopy and particle image velocimetry (PIV) to measure three-dimensional velocities within a microvolume. Rectanglar microchannels were fabricated with dimensions on the order of 350-950 micrometers using a photolithographic process and polydimethylsiloxane (PDMS). The flow was seeded with fluorescent particles and pumped through microchannels at Reynolds numbers ranging from 0.016 to 0.028. Flow at Reynolds numbers in the range of 0.02 to 0.03 was seeded with fluorescent particles and pum
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Souza, Wallace Bruno Silva de. "Transmissão progressiva de imagens sintetizadas de light field." reponame:Repositório Institucional da UnB, 2018. http://repositorio.unb.br/handle/10482/34206.

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Dissertação (mestrado)—Universidade de Brasília, Instituto de Ciências Exatas, Departamento de Ciência da Computação, 2018.<br>Esta proposta estabelece um método otimizado baseado em taxa-distorção para transmitir imagens sintetizadas de light field. Resumidamente, uma imagem light field pode ser interpretada como um dado quadridimensional (4D) que possui tanto resolução espacial, quanto resolução angular, sendo que cada subimagem bidimensional desse dado 4D é tido como uma determinada perspectiva, isto é, uma imagem de subabertura (SAI, do inglês Sub-Aperture Image). Este trabalho visa modi c
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Nieto, Grégoire. "Light field remote vision." Thesis, Université Grenoble Alpes (ComUE), 2017. http://www.theses.fr/2017GREAM051/document.

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Les champs de lumière ont attisé la curiosité durant ces dernières décennies. Capturés par une caméra plénoptique ou un ensemble de caméras, ils échantillonnent la fonction plénoptique qui informe sur la radiance de n'importe quel rayon lumineux traversant la scène observée. Les champs lumineux offrent de nombreuses applications en vision par ordinateur comme en infographie, de la reconstruction 3D à la segmentation, en passant par la synthèse de vue, l'inpainting ou encore le matting par exemple.Dans ce travail nous nous attelons au problème de reconstruction du champ de lumière dans le but d
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Hawary, Fatma. "Light field image compression and compressive acquisition." Thesis, Rennes 1, 2019. http://www.theses.fr/2019REN1S082.

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En capturant une scène à partir de plusieurs points de vue, un champ de lumière fournit une représentation riche de la géométrie de la scène, ce qui permet une variété de nouvelles applications de post-capture ainsi que des expériences immersives. L'objectif de cette thèse est d'étudier la compressibilité des contenus de type champ de lumière afin de proposer de nouvelles solutions pour une imagerie de champs lumière à plus haute résolution. Deux aspects principaux ont été étudiés à travers ce travail. Les performances en compression sur les champs lumière des schémas de codage actuels étant e
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Löw, Joakim, Anders Ynnerman, Per Larsson, and Jonas Unger. "HDR Light Probe Sequence Resampling for Realtime Incident Light Field Rendering." Linköpings universitet, Visuell informationsteknologi och applikationer, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-18052.

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This paper presents a method for resampling a sequence of high dynamic range light probe images into a representation of Incident Light Field (ILF) illumination which enables realtime rendering. The light probe sequences are captured at varying positions in a real world environment using a high dynamic range video camera pointed at a mirror sphere. The sequences are then resampled to a set of radiance maps in a regular three dimensional grid before projection onto spherical harmonics. The capture locations and amount of samples in the original data make it inconvenient for direct use in render
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Baravdish, Gabriel. "GPU Accelerated Light Field Compression." Thesis, Linköpings universitet, Medie- och Informationsteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-150558.

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This thesis presents a GPU accelerated method to compress light field or light field videos. The implementation is based on an earlier work of a full light field compression framework. The large amount of data storage by capturing light fields is a challenge to compress and we seek to accelerate the encoding part. We compress by projecting each data point onto a set of dictionaries and seek a sparse representation with the least error. An optimized greedy algorithm to suit computations on the GPU is presented. We benefit of the algorithm outline by encoding the data segmentally in parallel for
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Books on the topic "Light field images"

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Brady-Savignac, Charlotte, André Habib, Louis Pelletier, and Jean-Pierre Sirois-Trahan. Collecting Cinema, Rewriting Film History. Amsterdam University Press, 2025. https://doi.org/10.5117/9789048565955.

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The writing of cinema history would not be possible without the contribution of collectors. Whether through their pioneering excavation work or their passionate defence of forgotten productions and artifacts, collectors have had a lasting influence on both the field and the methods of moving image history. Proceeding from a renewed dialogue between international film scholars, collectors, filmmakers, curators, and archivists, this book aims to reveal the extent to which collectors and collections have contributed to both the history and the epistemology of moving images. It showcases specific
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Daly, Charles J. Scalar diffraction from a circular aperture. Kluwer Academic, 2000.

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The low light photography field guide: Go beyond daylight to capture stunning low light images. ILEX, 2011.

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The low light photography field guide: Go beyond daylight to capture stunning low light images. Focal Press/Elsevier, 2011.

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Freeman, Michael. Low Light Photography Field Guide: The Essential Guide to Getting Perfect Images in Challenging Light. Taylor & Francis Group, 2014.

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Wilson, Rita, and Brigid Maher, eds. Words, Images and Performances in Translation. Continuum International Publishing Group, 2012. http://dx.doi.org/10.5040/9781472541833.

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This volume presents fresh approaches to the role that translation – in its many forms – plays in enabling and mediating global cultural exchange. As modes of communication and textual production continue to evolve, the field of translation studies has an increasingly important role in exploring the ways in which words, images and performances are translated and reinterpreted in new socio-cultural contexts. The book includes an innovative mix of literary, cultural and intersemiotic perspectives and represents a wide range of languages and cultures. The contributions are all linked by a shared
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Zhang, Cha. Light Field Sampling (Synthesis Lectures on Image, Video, and Multimedia Processing). Morgan and Claypool Publishers, 2007.

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Murray, Jonathan, and Nea Ehrlich, eds. Drawn from Life. Edinburgh University Press, 2018. http://dx.doi.org/10.3366/edinburgh/9780748694112.001.0001.

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Documentary cinema has always drawn from real life. However, an increasing number of contemporary filmmakers go further still, drawing onscreen images of reality through a range of animated filmmaking techniques and aesthetics. This book is the first of its kind, exploring the field of animated documentary film from a diverse range of scholarly and practice-based perspectives. The book’s chapters explore and propose answers to a range of questions that preoccupy twenty-first-century film artists and audiences alike: What are the historical roots of animated documentary? What kinds of reasons i
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Leerdam, Andrea. Woodcuts as Reading Guides. Amsterdam University Press, 2023. http://dx.doi.org/10.5117/9789048560257.

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In the first half of the sixteenth century, the Low Countries saw the rise of a lively market for practical and instructive books that targeted non-specialist readers. This study shows how woodcuts in vernacular books on medicine and astrology fulfilled important rhetorical functions in knowledge communication. These images guided readers’ perceptions of the organisation, visualisation, and reliability of knowledge. Andrea van Leerdam uncovers the assumptions and intentions of book producers to which images testify, and shows how actual readers engaged with these illustrated books. Drawing on
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DeSnyder, Sarah M., Simona F. Shaitelman, and Mark V. Schaverien. Lymphedema and Body Image Disturbance. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780190655617.003.0010.

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Abstract: Lymphedema is a dreaded side effect of cancer treatments. Studies within the field of psychosocial oncology have shed light on the profound effect of lymphedema secondary to treatment of cancer on quality of life, body image, activities of daily living, and financial stress. Patients who develop lymphedema are at risk for body image disturbances. It is critical for healthcare providers to recognize and treat lymphedema at its earliest stages not only to control lymphedema but to mitigate the detrimental downstream effects of lymphedema including body image disturbance, social anxiety
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Book chapters on the topic "Light field images"

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Cho, Donghyeon, Sunyeong Kim, and Yu-Wing Tai. "Consistent Matting for Light Field Images." In Computer Vision – ECCV 2014. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-10593-2_7.

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Jung, Daniel, and Reinhard Koch. "Efficient Rendering of Light Field Images." In Video Processing and Computational Video. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-24870-2_8.

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Koch, R., B. Heigl, M. Pollefeys, L. Van Gool, and H. Niemann. "A Geometric Approach to Light field Calibration." In Computer Analysis of Images and Patterns. Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/3-540-48375-6_71.

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Anisimov, Yuriy, Oliver Wasenmüller, and Didier Stricker. "A Compact Light Field Camera for Real-Time Depth Estimation." In Computer Analysis of Images and Patterns. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-29888-3_5.

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Jin, Panqi, Gangyi Jiang, Yeyao Chen, Zhidi Jiang, and Mei Yu. "Perceptual Light Field Image Coding with CTU Level Bit Allocation." In Computer Analysis of Images and Patterns. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-44240-7_25.

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Fang, Lu. "High-Resolution Plenoptic Sensing." In Advances in Computer Vision and Pattern Recognition. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-6915-5_3.

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AbstractThe high-resolution plenoptic sensing system can capture light field with a high level of detail and clarity. Resolution refers to the amount of detail that can be discerned in the reconstructed image or light field. The cutting edge of high-resolution plenoptic sensing is gigapixel plenoptic sensing, specifically refers to a system capable of capturing images with billions of pixels, resulting in extremely high-resolution light field.
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Fang, Lu. "Plenoptic Reconstruction." In Advances in Computer Vision and Pattern Recognition. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-6915-5_4.

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AbstractEmpowered by advanced plenoptic sensing systems, light-field imaging becomes one of the most extensively used methods for capturing 3D views of a scene. In contrast to the traditional input to a 3D graphics system, namely, scenes consisting of pre-defined geometric primitives with different materials and sets of lights, the input to a light field is only a set of 2D images which are informative and cost effective. Unfortunately, due to the limited sensor resolution, existing systems must balance the spatial and angular resolution, i.e., one can obtain dense sampling images in the spati
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Wang, Xuechun, Wentao Chao, and Fuqing Duan. "Depth Optimization for Accurate 3D Reconstruction from Light Field Images." In Pattern Recognition and Computer Vision. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-8432-9_7.

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Shan, Liang, Ping An, Deyang Liu, and Ran Ma. "Subjective Evaluation of Light Field Images for Quality Assessment Database." In Communications in Computer and Information Science. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-8108-8_25.

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Prathap, Parvathy, and J. Jayakumari. "Analysis of Light Field Imaging and Segmentation on All-Focus Images." In Lecture Notes in Electrical Engineering. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-3992-3_27.

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Conference papers on the topic "Light field images"

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Paniate, Alberto, Gianlorenzo Massaro, Alessio Avella, et al. "Light-field ghost imaging." In Quantum 2.0. Optica Publishing Group, 2024. http://dx.doi.org/10.1364/quantum.2024.qtu3a.27.

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We propose a technique which exploits light correlations and light-field principles to recover the volumetric image of an object without acquiring axially resolved images and without knowing its position or longitudinal extent.
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Cho, Jaemin, Dongyoung Choi, Dahyun Kang, Gun Bang, and Min Kim. "Editing Scene Illumination and Material Appearance of Light-Field Images." In 20th International Conference on Computer Vision Theory and Applications. SCITEPRESS - Science and Technology Publications, 2025. https://doi.org/10.5220/0013145500003912.

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Imtiaz, Shariar Md, F. M. Fahmid Hossain, Nyamsuren Darkhanbaatar, et al. "Estimating Depth Map from Light Field Microscopic Images Using Attention UNET." In 2024 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR). IEEE, 2024. http://dx.doi.org/10.1109/cleo-pr60912.2024.10676467.

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McGriff, Hermes, Renato Martins, Nicolas Andreff, and Cédric Demonceaux. "Dense Scene Reconstruction from Light-Field Images Affected by Rolling Shutter." In 2025 IEEE/CVF Winter Conference on Applications of Computer Vision (WACV). IEEE, 2025. https://doi.org/10.1109/wacv61041.2025.00260.

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Liu, Pei, Yongan Zhang, Zixin Gao, Ruijin Fu, and Bing Zhang. "Suppression of Defocused Images in Digital Holographic Reconstruction Based on Image Plane Filtering Technique." In Frontiers in Optics. Optica Publishing Group, 2024. https://doi.org/10.1364/fio.2024.jd4a.91.

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We use image plane filtering technique to filter out the focused light field in digital holographic reconstruction, which can reduce the defocusing effect of this part of the light field on reconstruction at other distances.
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Zhou, Yan, Huiwen Guo, Guoyuan Liang, and Xinyu Wu. "Shadow removal for light field images." In 2014 IEEE International Conference on Information and Automation (ICIA). IEEE, 2014. http://dx.doi.org/10.1109/icinfa.2014.6932830.

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Zhu, Dong, ChunHong WU, Yunluo Liu, and Dongmei Fu. "3D reconstruction based on light field images." In Ninth International Conference on Graphic and Image Processing, edited by Hui Yu and Junyu Dong. SPIE, 2018. http://dx.doi.org/10.1117/12.2304504.

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Chantara, Wisarut, Ji-Hun Mun, and Yo-Sung Ho. "Efficient Depth Estimation for Light Field Images." In 2018 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC). IEEE, 2018. http://dx.doi.org/10.23919/apsipa.2018.8659647.

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Seifi, Mozhdeh, Neus Sabater, Valter Drazic, and Patrick Perez. "Disparity-guided demosaicking of light field images." In 2014 IEEE International Conference on Image Processing (ICIP). IEEE, 2014. http://dx.doi.org/10.1109/icip.2014.7026109.

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Chen, Xianyu, Feng Dai, Yike Ma, and Yongdong Zhang. "Automatic foreground segmentation using light field images." In 2015 Visual Communications and Image Processing (VCIP). IEEE, 2015. http://dx.doi.org/10.1109/vcip.2015.7457895.

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Reports on the topic "Light field images"

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Letcher, Theodore, Julie Parno, Zoe Courville, Lauren Farnsworth, and Jason Olivier. A generalized photon-tracking approach to simulate spectral snow albedo and transmittance using X-ray microtomography and geometric optics. Engineer Research and Development Center (U.S.), 2023. http://dx.doi.org/10.21079/11681/47122.

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A majority of snow radiative transfer models (RTMs) treat snow as a collection of idealized grains rather than an organized ice–air matrix. Here we present a generalized multi-layer photon-tracking RTM that simulates light reflectance and transmittance of snow based on X-ray micro- tomography images, treating snow as a coherent 3D structure rather than a collection of grains. The model uses a blended approach to expand ray-tracing techniques applied to sub-1 cm3 snow samples to snowpacks of arbitrary depths. While this framework has many potential applications, this study’s effort is focused o
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King, E. L., A. Normandeau, T. Carson, et al. Pockmarks, a paleo fluid efflux event, glacial meltwater channels, sponge colonies, and trawling impacts in Emerald Basin, Scotian Shelf: autonomous underwater vehicle surveys, William Kennedy 2022011 cruise report. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/331174.

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A short but productive cruise aboard RV William Kennedy tested various new field equipment near Halifax (port of departure and return) but also in areas that could also benefit science understanding. The GSC-A Gavia Autonomous Underwater Vehicle equipped with bathymetric, sidescan and sub-bottom profiler was successfully deployed for the first time on Scotian Shelf science targets. It surveyed three small areas: two across known benthic sponge, Vazella (Russian Hat) within a DFO-directed trawling closure area on the SE flank of Sambro Bank, bordering Emerald Basin, and one across known pockmar
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Suir, Glenn, Christina Saltus, and Sam Jackson. Remote Assessment of Swamp and Bottomland Hardwood Habitat Condition in the Maurepas Diversion Project Area. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/41563.

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This study used high spatial resolution satellite imagery to identify and map Bottomland Hardwood (BLH) BLH and swamp within the Maurepas Diversion Project area and use Light Detection and Ranging (Lidar) elevation data, vegetation indices, and established stand-level thresholds to evaluate the condition of forested habitat. The Forest Condition methods and data developed as part of this study provide a remote sensing-based supplement to the field-based methods used in previous studies. Furthermore, several advantages are realized over traditional methods including higher resolution products,
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Hart, Carl R., and Gregory W. Lyons. A Measurement System for the Study of Nonlinear Propagation Through Arrays of Scatterers. Engineer Research and Development Center (U.S.), 2020. http://dx.doi.org/10.21079/11681/38621.

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Various experimental challenges exist in measuring the spatial and temporal field of a nonlinear acoustic pulse propagating through an array of scatterers. Probe interference and undesirable high-frequency response plague typical approaches with acoustic microphones, which are also limited to resolving the pressure field at a single position. Measurements made with optical methods do not have such drawbacks, and schlieren measurements are particularly well suited to measuring both the spatial and temporal evolution of nonlinear pulse propagation in an array of scatterers. Herein, a measurement
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Burks, Thomas F., Victor Alchanatis, and Warren Dixon. Enhancement of Sensing Technologies for Selective Tree Fruit Identification and Targeting in Robotic Harvesting Systems. United States Department of Agriculture, 2009. http://dx.doi.org/10.32747/2009.7591739.bard.

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The proposed project aims to enhance tree fruit identification and targeting for robotic harvesting through the selection of appropriate sensor technology, sensor fusion, and visual servo-control approaches. These technologies will be applicable for apple, orange and grapefruit harvest, although specific sensor wavelengths may vary. The primary challenges are fruit occlusion, light variability, peel color variation with maturity, range to target, and computational requirements of image processing algorithms. There are four major development tasks in original three-year proposed study. First, s
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Douglas, Thomas A., Christopher A. Hiemstra, Stephanie P. Saari, et al. Degrading Permafrost Mapped with Electrical Resistivity Tomography, Airborne Imagery and LiDAR, and Seasonal Thaw Measurements. U.S. Army Engineer Research and Development Center, 2021. http://dx.doi.org/10.21079/11681/41185.

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Accurate identification of the relationships between permafrost extent and landscape patterns helps develop airborne geophysical or remote sensing tools to map permafrost in remote locations or across large areas. These tools are particularly applicable in discontinuous permafrost where climate warming or disturbances such as human development or fire can lead to rapid permafrost degradation. We linked field-based geophysical, point-scale, and imagery surveying measurements to map permafrost at five fire scars on the Tanana Flats in central Alaska. Ground-based elevation surveys, seasonal thaw
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Ley, Matt, Tom Baldvins, Hannah Pilkington, David Jones, and Kelly Anderson. Vegetation classification and mapping project: Big Thicket National Preserve. National Park Service, 2024. http://dx.doi.org/10.36967/2299254.

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The Big Thicket National Preserve (BITH) vegetation inventory project classified and mapped vegetation within the administrative boundary and estimated thematic map accuracy quantitatively. National Park Service (NPS) Vegetation Mapping Inventory Program provided technical guidance. The overall process included initial planning and scoping, imagery procurement, vegetation classification field data collection, data analysis, imagery interpretation/classification, accuracy assessment (AA), and report writing and database development. Initial planning and scoping meetings took place during May, 2
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Hodul, M., H. P. White, and A. Knudby. A report on water quality monitoring in Quesnel Lake, British Columbia, subsequent to the Mount Polley tailings dam spill, using optical satellite imagery. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/330556.

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In the early morning on the 4th of August 2014, a tailings dam near Quesnel, BC burst, spilling approximately 25 million m3 of runoff containing heavy metal elements into nearby Quesnel Lake (Byrne et al. 2018). The runoff slurry, which included lead, arsenic, selenium, and vanadium spilled through Hazeltine Creek, scouring its banks and picking up till and forest cover on the way, and ultimately ended up in Quesnel Lake, whose water level rose by 1.5 m as a result. While the introduction of heavy metals into Quesnel Lake was of environmental concern, the additional till and forest cover scour
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