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A light field records numerous light rays from a real-world scene. However, capturing a dense light field by existing devices is a time-consuming process. Besides, reconstructing a large amount of light rays equivalent to multiple light…

Computer Vision and Pattern Recognition · Computer Science 2018-08-14 Mantang Guo , Hao Zhu , Guoqing Zhou , Qing Wang

Accurate detection of lane and road markings is a task of great importance for intelligent vehicles. In existing approaches, the detection accuracy often degrades with the increasing distance. This is due to the fact that distant lane and…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Zhuoping Yu , Xiaozhou Ren , Yuyao Huang , Wei Tian , Junqiao Zhao

Extracting point correspondences from two or more views of a scene is a fundamental computer vision problem with particular importance for relative camera pose estimation and structure-from-motion. Existing local feature matching…

Computer Vision and Pattern Recognition · Computer Science 2024-01-22 Dominik A. Kloepfer , João F. Henriques , Dylan Campbell

Locating 3D objects from a single RGB image via Perspective-n-Point (PnP) is a long-standing problem in computer vision. Driven by end-to-end deep learning, recent studies suggest interpreting PnP as a differentiable layer, allowing for…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Hansheng Chen , Wei Tian , Pichao Wang , Fan Wang , Lu Xiong , Hao Li

It is known that epipolar geometry can be computed from three epipolar line correspondences but this computation is rarely used in practice since there are no simple methods to find corresponding lines. Instead, methods for finding…

Computer Vision and Pattern Recognition · Computer Science 2017-01-10 Gil Ben-Artzi , Tavi Halperin , Michael Werman , Shmuel Peleg

360{\deg} images are widely available over the last few years. This paper proposes a new technique for single 360{\deg} image depth prediction under open environments. Depth prediction from a 360{\deg} single image is not easy for two…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Yuya Hasegawa , Ikehata Satoshi , Kiyoharu Aizawa

The accuracy of learning-based optical flow estimation models heavily relies on the realism of the training datasets. Current approaches for generating such datasets either employ synthetic data or generate images with limited realism.…

Computer Vision and Pattern Recognition · Computer Science 2023-09-14 Yingping Liang , Jiaming Liu , Debing Zhang , Ying Fu

Multi-Camera arrays are increasingly employed in both consumer and industrial applications, and various passive techniques are documented to estimate depth from such camera arrays. Current depth estimation methods provide useful estimations…

Computer Vision and Pattern Recognition · Computer Science 2018-06-22 Hossein Javidnia , Peter Corcoran

A key component of Visual Simultaneous Localization and Mapping (VSLAM) is estimating relative camera poses using matched keypoints. Accurate estimation is challenged by noisy correspondences. Classical methods rely on stochastic hypothesis…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Prateeth Rao , Sachit Rao

Recent advancements in deep neural networks have made remarkable leap-forwards in dense image prediction. However, the issue of feature alignment remains as neglected by most existing approaches for simplicity. Direct pixel addition between…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Shihua Huang , Zhichao Lu , Ran Cheng , Cheng He

Rectifying the orientation of images represents a daily task for every photographer. This task may be complicated even for the human eye, especially when the horizon or other horizontal and vertical lines in the image are missing. In this…

Computer Vision and Pattern Recognition · Computer Science 2021-05-13 Ionut Mironica , Andrei Zugravu

Oriented object detection in remote sensing images has made great progress in recent years. However, most of the current methods only focus on detecting targets, and cannot distinguish fine-grained objects well in complex scenes. In this…

Computer Vision and Pattern Recognition · Computer Science 2021-10-14 Qi Ming , Junjie Song , Zhiqiang Zhou

Relative pose estimation is crucial for various computer vision applications, including Robotic and Autonomous Driving. Current methods primarily depend on selecting and matching feature points prone to incorrect matches, leading to poor…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Zherong Zhang , Chunyu Lin , Shujuan Huang , Shangrong Yang , Yao Zhao

Reconstructing 3D facial geometry from a single RGB image has recently instigated wide research interest. However, it is still an ill-posed problem and most methods rely on prior models hence undermining the accuracy of the recovered 3D…

Computer Vision and Pattern Recognition · Computer Science 2018-07-06 Mingtao Feng , Syed Zulqarnain Gilani , Yaonan Wang , Ajmal Mian

As data requirements continue to grow, efficient learning increasingly depends on the curation and distillation of high-value data rather than brute-force scaling of model sizes. In the case of a hyperspectral image (HSI), the challenge is…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Abhiroop Chatterjee , Susmita Ghosh

Unsupervised homogeneous network embedding (NE) represents every vertex of networks into a low-dimensional vector and meanwhile preserves the network information. Adjacency matrices retain most of the network information, and directly…

Social and Information Networks · Computer Science 2020-03-06 Luoyi Zhang , Ming Xu

In the context of wireless communications, we propose a deep learning approach to learn the mapping from the instantaneous state of a frequency selective fading channel to the corresponding frame error probability (FEP) for an arbitrary set…

Signal Processing · Electrical Eng. & Systems 2017-11-01 Vidit Saxena , Joakim Jaldén , Mats Bengtsson , Hugo Tullberg

Selective plane illumination microscopy (SPIM) is an optical sectioning imaging approach based on orthogonal light pathways for excitation and detection. The excitation pathway has an inverse relation between the optical sectioning strength…

Optics · Physics 2024-07-29 Steven J. Sheppard , Peter T. Brown , Douglas P. Shepherd

Echo-planar imaging (EPI) remains the cornerstone of diffusion MRI, but it is prone to severe geometric distortions due to its rapid sampling scheme that renders the sequence highly sensitive to $B_{0}$ field inhomogeneities. While deep…

Image and Video Processing · Electrical Eng. & Systems 2026-03-30 Namgyu Han , Seong Dae Yun , Chaeeun Lim , Sunghyun Seok , Sunju Kim , Yoonhwan Kim , Yohan Jun , Tae Hyung Kim , Berkin Bilgic , Jaejin Cho

We present a novel deep learning-based framework: Embedded Feature Similarity Optimization with Specific Parameter Initialization (SOPI) for 2D/3D medical image registration which is a most challenging problem due to the difficulty such as…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Minheng Chen , Zhirun Zhang , Shuheng Gu , Youyong Kong