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Accurate face parsing under extreme viewing angles remains a significant challenge due to limited labeled data in such poses. Manual annotation is costly and often impractical at scale. We propose a novel label refinement pipeline that…

Computer Vision and Pattern Recognition · Computer Science 2026-03-23 Ankit Gahlawat , Anirban Mukherjee , Dinesh Babu Jayagopi

Melanoma detection is vital for early diagnosis and effective treatment. While deep learning models on dermoscopic images have shown promise, they require specialized equipment, limiting their use in broader clinical settings. This study…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Volodymyr Sydorskyi , Igor Krashenyi , Oleksii Yakubenko

Synthesizing novel views from a single view image is a highly ill-posed problem. We discover an effective solution to reduce the learning ambiguity by expanding the single-view view synthesis problem to a multi-view setting. Specifically,…

Computer Vision and Pattern Recognition · Computer Science 2023-04-21 Yang Zhou , Hanjie Wu , Wenxi Liu , Zheng Xiong , Jing Qin , Shengfeng He

This paper addresses the limitations of neural rendering-based multi-view surface reconstruction methods, which require an additional mesh extraction step that is inconvenient and would produce poor-quality surfaces with mesh aliasing,…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Qitong Zhang , Jieqing Feng

Lensless cameras provide a framework to build thin imaging systems by replacing the lens in a conventional camera with an amplitude or phase mask near the sensor. Existing methods for lensless imaging can recover the depth and intensity of…

Image and Video Processing · Electrical Eng. & Systems 2021-08-19 Yucheng Zheng , Yi Hua , Aswin C. Sankaranarayanan , M. Salman Asif

Optical metasurfaces are two-dimensional arrays of nano-scatterers that modify optical wavefronts at subwavelength spatial resolution. They are poised to revolutionize optics by enabling complex low-cost systems where multiple metasurfaces…

This paper presents a novel method for the reconstruction of 3D edges in multi-view stereo scenarios. Previous research in the field typically relied on video sequences and limited the reconstruction process to either straight…

Computer Vision and Pattern Recognition · Computer Science 2018-01-18 Andrea Bignoli , Andrea Romanoni , Matteo Matteucci

Surface reconstruction with preservation of geometric features is a challenging computer vision task. Despite significant progress in implicit shape reconstruction, state-of-the-art mesh extraction methods often produce aliased,…

Computer Vision and Pattern Recognition · Computer Science 2023-12-01 Natalia Soboleva , Olga Gorbunova , Maria Ivanova , Evgeny Burnaev , Matthias Nießner , Denis Zorin , Alexey Artemov

Wide field interferometry has become a subject of increasing interest in the recent years. New methods have been suggested in order to avoid the drawbacks of the standard wide-field method (homothetic mapping) which is not applicable when…

Astrophysics · Physics 2007-05-23 I. Montilla , J. Sellos , S. F. Pereira , J. J. M. Braat

Feature-preserving mesh denoising has received noticeable attention in visual media, with the aim of recovering high-fidelity, clean mesh shapes from the ones that are contaminated by noise. Existing denoising methods often design smaller…

Graphics · Computer Science 2023-04-04 Weijia Wang , Wei Pan , Chaofan Dai , Richard Dazeley , Lei Wei , Bernard Rolfe , Xuequan Lu

Multiview photometric stereo (MVPS) seeks to recover high-fidelity surface shapes and reflectances from images captured under varying views and illuminations. However, existing MVPS methods often require controlled darkroom settings for…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Songyun Yang , Yufei Han , Jilong Zhang , Kongming Liang , Peng Yu , Zhaowei Qu , Heng Guo

A major focus of recent developments in stereo vision has been on how to obtain accurate dense disparity maps in passive stereo vision. Active vision systems enable more accurate estimations of dense disparity compared to passive stereo.…

Computer Vision and Pattern Recognition · Computer Science 2022-09-13 Laurent Valentin Jospin , Hamid Laga , Farid Boussaid , Mohammed Bennamoun

Optical metasurfaces have enabled high-speed, low-power image processing within a compact footprint. However, reconfigurable imaging in such flat devices remains a critical challenge for fully harnessing their potential in practical…

Optics · Physics 2025-02-25 Tingting Liu , Jumin Qiu , Tianbao Yu , Qiegen Liu , Jie Li , Shuyuan Xiao

Bounded by the inherent ambiguity of depth perception, contemporary multi-view 3D object detection methods fall into the performance bottleneck. Intuitively, leveraging temporal multi-view stereo (MVS) technology is the natural knowledge…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Yinhao Li , Jinrong Yang , Jianjian Sun , Han Bao , Zheng Ge , Li Xiao

Conventional stereo suffers from a fundamental trade-off between imaging volume and signal-to-noise ratio (SNR) -- due to the conflicting impact of aperture size on both these variables. Inspired by the extended depth of field cameras, we…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Shiyu Tan , Yicheng Wu , Shoou-I Yu , Ashok Veeraraghavan

Recovering an outdoor environment's surface mesh is vital for an agricultural robot during task planning and remote visualization. Our proposed solution is based on a newly-designed panoramic stereo camera along with a hybrid novel software…

Computer Vision and Pattern Recognition · Computer Science 2023-05-11 Can Pu , Chuanyu Yang , Jinnian Pu , Radim Tylecek , Robert B. Fisher

Feature matching is a crucial task in the field of computer vision, which involves finding correspondences between images. Previous studies achieve remarkable performance using learning-based feature comparison. However, the pervasive…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Yesheng Zhang , Xu Zhao

Monocular depth estimation is the task of obtaining a measure of distance for each pixel using a single image. It is an important problem in computer vision and is usually solved using neural networks. Though recent works in this area have…

Computer Vision and Pattern Recognition · Computer Science 2022-09-27 Nikita Durasov , Mikhail Romanov , Valeriya Bubnova , Pavel Bogomolov , Anton Konushin

Computer-Aided Diagnosis systems are required to extract suitable information about retina and its changes. In particular, identifying objects of interest such as lesions and anatomical structures from the retinal images is a challenging…

Medical Physics · Physics 2020-05-20 Meysam Tavakoli , Mahdieh Nazar , Alireza Mehdizadeh

Triangulated meshes have become ubiquitous discrete-surface representations. In this paper we address the problem of how to maintain the manifold properties of a surface while it undergoes strong deformations that may cause topological…

Computer Vision and Pattern Recognition · Computer Science 2020-12-11 Andrei Zaharescu , Edmond Boyer , Radu Horaud