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Related papers: Multispectral Stereo-Image Fusion for 3D Hyperspec…

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The use of 3D and stereo imaging is rapidly increasing. Compression, transmission, and processing could degrade the quality of stereo images. Quality assessment of such images is different than their 2D counterparts. Metrics that represent…

Computer Vision and Pattern Recognition · Computer Science 2017-09-05 Maryam Karimi , Najmeh Soltanian , Shadrokh Samavi , Nader Karimi , S. M. Reza Soroushmehr , Kayvan Najarian

Coded aperture snapshot spectral imaging (CASSI) is a promising technique to capture the three-dimensional hyperspectral image (HSI) using a single coded two-dimensional (2D) measurement, in which algorithms are used to perform the inverse…

Image and Video Processing · Electrical Eng. & Systems 2021-01-01 Wei He , Naoto Yokoya , Xin Yuan

Optical imaging through complex scattering media is one of the major technical challenges with important applications in many research fields, ranging from biomedical imaging, astronomical telescopy, and spatially multiplex optical…

Several Scientific and engineering applications require merging of sampled images for complex perception development. In most cases, for such requirements, images are merged at intensity level. Even though it gives fairly good perception of…

Computer Vision and Pattern Recognition · Computer Science 2014-08-01 T. R. Gopalakrishnan Nair , Richa Sharma

Based on point spread function (PSF) engineering and astigmatism due to a pair of cylindrical lenses, a novel compressed imaging mechanism is proposed to achieve single-shot incoherent 3D imaging. The speckle-like PSF of the imaging system…

Optics · Physics 2021-05-24 Qiong Gao , Weidong Qu , Ming Shao , Wei Liu , Xiangzheng Cheng

2D cameras are often used in interactive systems. Other systems like gaming consoles provide more powerful 3D cameras for short range depth sensing. Overall, these cameras are not reliable in large, complex environments. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Mohamed Benkedadra , Matei Mancas , Sidi Ahmed Mahmoudi

This paper introduces a novel method to simultaneously super-resolve and colour-predict images acquired by snapshot mosaic sensors. These sensors allow for spectral images to be acquired using low-power, small form factor, solid-state CMOS…

Image and Video Processing · Electrical Eng. & Systems 2019-09-06 Mehrdad Shoeiby , Lars Petersson , Mohammad Ali Armin , Sadegh Aliakbarian , Antonio Robles-Kelly

Hyperspectral imaging provides detailed information about the scanned objects, as it captures their spectral characteristics within a large number of wavelength bands. Classification of such data has become an active research topic due to…

Computer Vision and Pattern Recognition · Computer Science 2019-07-30 Jakub Nalepa , Lukasz Tulczyjew , Michal Myller , Michal Kawulok

This paper introduces two acquisition device architectures for multispectral compressive imaging. Unlike most existing methods, the proposed computational imaging techniques do not include any dispersive element, as they use a dedicated…

Computer Vision and Pattern Recognition · Computer Science 2018-02-07 Kévin Degraux , Valerio Cambareri , Bert Geelen , Laurent Jacques , Gauthier Lafruit

The photometric stereo (PS) problem consists in reconstructing the 3D-surface of an object, thanks to a set of photographs taken under different lighting directions. In this paper, we propose a multi-scale architecture for PS which,…

Computer Vision and Pattern Recognition · Computer Science 2023-10-05 Clément Hardy , Yvain Quéau , David Tschumperlé

Scene reconstruction from unorganized RGB images is an important task in many computer vision applications. Multi-view Stereo (MVS) is a common solution in photogrammetry applications for the dense reconstruction of a static scene. The…

Computer Vision and Pattern Recognition · Computer Science 2019-01-15 Matthias Innmann , Kihwan Kim , Jinwei Gu , Matthias Niessner , Charles Loop , Marc Stamminger , Jan Kautz

In this paper, we present a groundbreaking spectrally multiplexed photometric stereo approach for recovering surface normals of dynamic surfaces without the need for calibrated lighting or sensors, a notable advancement in the field…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Satoshi Ikehata , Yuta Asano

Spectral vision task plays a pivotal role in extracting discriminative spectral-spatial features from high-dimensional data, enabling fine-grained identification beyond human vision. Traditional methods usually involve first collecting rich…

Optics · Physics 2026-04-03 Jiaqi Song , Baolei Liu , Muchen Zhu , Yao Wang , Yue Yu , Zhaohua Yang , Xiaolan Zhong , Fan Wang

Hyperspectral images are of crucial importance in order to better understand features of different materials. To reach this goal, they leverage on a high number of spectral bands. However, this interesting characteristic is often paid by a…

Image and Video Processing · Electrical Eng. & Systems 2020-06-01 Jin-Fan Hu , Ting-Zhu Huang , Liang-Jian Deng , Tai-Xiang Jiang , Gemine Vivone , Jocelyn Chanussot

Hyperspectral imaging provides detailed spectral information and holds significant potential for monitoring of greenhouse gases (GHGs). However, its application is constrained by limited spatial coverage and infrequent revisit times. In…

Hyperspectral image (HSI) with high spectral resolution often suffers from low spatial resolution owing to the limitations of imaging sensors. Image fusion is an effective and economical way to enhance the spatial resolution of HSI, which…

Image and Video Processing · Electrical Eng. & Systems 2020-08-11 Renwei Dian , Shutao Li , Bin Sun , Anjing Guo

Sensing the medical scenario can ensure the safety during the surgical operations. So, in this regard, a monitor platform which can obtain the accurate location information of the surgery room is desperately needed. Compared to 2D camera…

Computer Vision and Pattern Recognition · Computer Science 2018-09-06 Ke Wang , Han Song , Jiahui Zhang , Xinran Zhang , Hongen Liao

In this work, we present a camera configuration for acquiring "stereoscopic dark flash" images: a simultaneous stereo pair in which one camera is a conventional RGB sensor, but the other camera is sensitive to near-infrared and…

Computer Vision and Pattern Recognition · Computer Science 2019-01-10 Jian Wang , Tianfan Xue , Jonathan T. Barron , Jiawen Chen

Multispectral imagery is frequently incorporated into agricultural tasks, providing valuable support for applications such as image segmentation, crop monitoring, field robotics, and yield estimation. From an image segmentation perspective,…

Computer Vision and Pattern Recognition · Computer Science 2023-08-02 Nuno Cunha , Tiago Barros , Mário Reis , Tiago Marta , Cristiano Premebida , Urbano J. Nunes

Hyperspectral images enable precise identification of ground objects by capturing their spectral signatures with fine spectral resolution.While high spatial resolution further enhances this capability, increasing spatial resolution through…

Image and Video Processing · Electrical Eng. & Systems 2024-10-25 Ankur Garg , Meenakshi Sarkar , S. Manthira Moorthi , Debajyoti Dhar