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Existing semantic segmentation approaches either aim to improve the object's inner consistency by modeling the global context, or refine objects detail along their boundaries by multi-scale feature fusion. In this paper, a new paradigm for…

Computer Vision and Pattern Recognition · Computer Science 2020-08-19 Xiangtai Li , Xia Li , Li Zhang , Guangliang Cheng , Jianping Shi , Zhouchen Lin , Shaohua Tan , Yunhai Tong

Diffusion-based image compression has demonstrated impressive perceptual performance. However, it suffers from two critical drawbacks: (1) excessive decoding latency due to multi-step sampling, and (2) poor fidelity resulting from…

Computer Vision and Pattern Recognition · Computer Science 2025-12-03 Zheng Chen , Mingde Zhou , Jinpei Guo , Jiale Yuan , Yifei Ji , Yulun Zhang

Calibration is an essential prerequisite for the accurate data fusion of LiDAR and camera sensors. Traditional calibration techniques often require specific targets or suitable scenes to obtain reliable 2D-3D correspondences. To tackle the…

Computer Vision and Pattern Recognition · Computer Science 2025-01-29 Shujuan Huang , Chunyu Lin , Yao Zhao

Image features detection and description is a longstanding topic in computer vision and pattern recognition areas. The Scale Invariant Feature Transform (SIFT) is probably the most popular and widely demanded feature descriptor which…

Computer Vision and Pattern Recognition · Computer Science 2015-04-14 Ahmad Pahlavan Tafti , Hamid Hassannia , Zeyun Yu

Camera calibration is an essential process in photogrammetry, serving as a crucial link between the 2D image coordinate system and the 3D world coordinate system. However, when observations are conducted through refractive interfaces, the…

Accurately estimating 3D hand pose is crucial for understanding how humans interact with the world. Despite remarkable progress, existing methods often struggle to generate plausible hand poses when the hand is heavily occluded or blurred.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Qichen Fu , Xingyu Liu , Ran Xu , Juan Carlos Niebles , Kris M. Kitani

Image deblurring continues to achieve impressive performance with the development of generative models. Nonetheless, there still remains a displeasing problem if one wants to improve perceptual quality and quantitative scores of recovered…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Pengwei Liang , Junjun Jiang , Xianming Liu , Jiayi Ma

Offline camera calibration techniques typically employ parametric or generic camera models. Selecting parametric models relies heavily on user experience, and an inappropriate camera model can significantly affect calibration accuracy.…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Yuqi Han , Qi Cai , Yuanxin Wu

Recently, the rapid development of Solid-State LiDAR (SSL) enables low-cost and efficient obtainment of 3D point clouds from the environment, which has inspired a large quantity of studies and applications. However, the non-uniformity of…

Computer Vision and Pattern Recognition · Computer Science 2020-11-18 Jiahe Cui , Jianwei Niu , Zhenchao Ouyang , Yunxiang He , Dian Liu

Multi-camera multi-object tracking (MCMOT) faces significant challenges in maintaining consistent object identities across varying camera perspectives, particularly when precise calibration and extensive annotations are required. In this…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Ruiqi Xian , Deep Patel , Iain Melvin , Sanjoy Kundu , Martin Renqiang Min , Dinesh Manocha

The free-form deformation model can represent a wide range of non-rigid deformations by manipulating a control point lattice over the image. However, due to a large number of parameters, it is challenging to fit the free-form deformation…

Computer Vision and Pattern Recognition · Computer Science 2022-06-10 Takumi Nakane , Haoran Xie , Chao Zhang

Correlation plenoptic imaging (CPI) is emerging as a promising approach to light-field imaging (LFI), a technique enabling simultaneous measurement of light intensity distribution and propagation direction from a scene. LFI allows…

Optics · Physics 2024-06-21 Gianlorenzo Massaro

Whole-slide images (WSIs) from cancer patients contain rich information that can be used for medical diagnosis or to follow treatment progress. To automate their analysis, numerous deep learning methods based on convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2026-02-18 Lucas Sancéré , Noémie Moreau , Katarzyna Bozek

For video frame interpolation (VFI), existing deep-learning-based approaches strongly rely on the ground-truth (GT) intermediate frames, which sometimes ignore the non-unique nature of motion judging from the given adjacent frames. As a…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Kun Zhou , Wenbo Li , Xiaoguang Han , Jiangbo Lu

We propose LiFCal, a novel geometric online calibration pipeline for MLA-based light field cameras. LiFCal accurately determines model parameters from a moving camera sequence without precise calibration targets, integrating arbitrary…

Image and Video Processing · Electrical Eng. & Systems 2024-08-22 Aymeric Fleith , Doaa Ahmed , Daniel Cremers , Niclas Zeller

Shape manipulation is a central research topic in computer graphics. Topology editing, such as breaking apart connections, joining disconnected ends, and filling/opening a topological hole, is generally more challenging than geometry…

Graphics · Computer Science 2024-05-14 Yunxiao Zhang , Zixiong Wang , Zihan Zhao , Rui Xu , Shuangmin Chen , Shiqing Xin , Wenping Wang , Changhe Tu

Depth cameras, typically in RGB-D configurations, are common devices in mobile robotic platforms given their appealing features: high frequency and resolution, low price and power requirements, among others. These sensors may come with…

Robotics · Computer Science 2019-07-04 David Zuñiga-Noël , Jose-Raul Ruiz-Sarmiento , Javier Gonzalez-Jimenez

Image registration is a fundamental task in medical image analysis. Recently, deep learning based image registration methods have been extensively investigated due to their excellent performance despite the ultra-fast computational time.…

Computer Vision and Pattern Recognition · Computer Science 2020-08-14 Boah Kim , Dong Hwan Kim , Seong Ho Park , Jieun Kim , June-Goo Lee , Jong Chul Ye

Transfomer-based approaches advance the recent development of multi-camera 3D detection both in academia and industry. In a vanilla transformer architecture, queries are randomly initialised and optimised for the whole dataset, without…

Computer Vision and Pattern Recognition · Computer Science 2023-02-01 Di Feng , Francesco Ferroni

The existing image captioning approaches typically train a one-stage sentence decoder, which is difficult to generate rich fine-grained descriptions. On the other hand, multi-stage image caption model is hard to train due to the vanishing…

Computer Vision and Pattern Recognition · Computer Science 2018-03-15 Jiuxiang Gu , Jianfei Cai , Gang Wang , Tsuhan Chen