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Fourier ptychography microscopy(FP) is a recently developed computational imaging approach for microscopic super-resolution imaging. By turning on each light-emitting-diode (LED) located on different position on the LED array sequentially…

Optics · Physics 2022-02-22 Delong Yang , Shaohui Zhang , Chuanjian Zheng , Guocheng Zhou , Lei Cao , Yao Hu , Qun Hao

Guided depth super-resolution (GDSR) has demonstrated impressive performance across a wide range of domains, with numerous methods being proposed. However, existing methods often treat depth maps as images, where shading values are computed…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Jiahui Kang , Qing Cai , Runqing Tan , Yimei Liu , Zhi Liu

Document shadow is a common issue that arises when capturing documents using mobile devices, which significantly impacts readability. Current methods encounter various challenges, including inaccurate detection of shadow masks and…

Computer Vision and Pattern Recognition · Computer Science 2024-03-22 Weiwen Chen , Yingtie Lei , Shenghong Luo , Ziyang Zhou , Mingxian Li , Chi-Man Pun

Recovering 3D geometry and textures of individual objects is crucial for many robotics applications, such as manipulation, pose estimation, and autonomous driving. However, decomposing a target object from a complex background is…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Jun Wu , Sicheng Li , Sihui Ji , Yifei Yang , Yue Wang , Rong Xiong , Yiyi Liao

Recovering High Dynamic Range (HDR) images from multiple Standard Dynamic Range (SDR) images become challenging when the SDR images exhibit noticeable degradation and missing content. Leveraging scene-specific semantic priors offers a…

Computer Vision and Pattern Recognition · Computer Science 2026-01-09 Tao Hu , Longyao Wu , Wei Dong , Peng Wu , Jinqiu Sun , Xiaogang Xu , Qingsen Yan , Yanning Zhang

Shadows in scanned documents pose significant challenges for document analysis and recognition tasks due to their negative impact on visual quality and readability. Current shadow removal techniques, including traditional methods and deep…

Computer Vision and Pattern Recognition · Computer Science 2024-07-31 Ziyang Zhou , Yingtie Lei , Xuhang Chen , Shenghong Luo , Wenjun Zhang , Chi-Man Pun , Zhen Wang

Blind face restoration aims at recovering high-quality face images from those with unknown degradations. Current algorithms mainly introduce priors to complement high-quality details and achieve impressive progress. However, most of these…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Zhouxia Wang , Jiawei Zhang , Tianshui Chen , Wenping Wang , Ping Luo

In this paper, we present an effective and efficient face deblurring algorithm by exploiting semantic cues via deep convolutional neural networks (CNNs). As face images are highly structured and share several key semantic components (e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2018-03-19 Ziyi Shen , Wei-Sheng Lai , Tingfa Xu , Jan Kautz , Ming-Hsuan Yang

Multi-image super-resolution (MISR) can achieve higher image quality than single-image super-resolution (SISR) by aggregating sub-pixel information from multiple spatially shifted frames. Among MISR tasks, burst super-resolution (BurstSR)…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Tengda Huang , Yu Zhang , Tianren Li , Yufu Qu , Fulin Liu , Zhenzhong Wei

For effective image segmentation, it is crucial to employ constraints informed by prior knowledge about the characteristics of the areas to be segmented to yield favorable segmentation outcomes. However, the existing methods have primarily…

Computer Vision and Pattern Recognition · Computer Science 2025-10-17 Shengzhe Chen , Zhaoxuan Dong , Jun Liu

Non-rigid structure-from-motion (NRSfM), a promising technique for addressing the mapping challenges in monocular visual deformable simultaneous localization and mapping (SLAM), has attracted growing attention. We introduce a novel method,…

Computer Vision and Pattern Recognition · Computer Science 2025-10-03 Yongbo Chen , Yanhao Zhang , Shaifali Parashar , Liang Zhao , Shoudong Huang

Recently, deep learning based video super-resolution (SR) methods have achieved promising performance. To simultaneously exploit the spatial and temporal information of videos, employing 3-dimensional (3D) convolutions is a natural…

Computer Vision and Pattern Recognition · Computer Science 2019-04-08 Sheng Li , Fengxiang He , Bo Du , Lefei Zhang , Yonghao Xu , Dacheng Tao

The recently proposed fully-connected tensor network (FCTN) decomposition has demonstrated significant advantages in correlation characterization and transpositional invariance, and has achieved notable achievements in multi-dimensional…

Machine Learning · Computer Science 2026-02-16 Wenjin Qin , Hailin Wang , Jiangjun Peng , Jianjun Wang , Tingwen Huang

3D scene reconstruction from 2D images has been a long-standing task. Instead of estimating per-frame depth maps and fusing them in 3D, recent research leverages the neural implicit surface as a unified representation for 3D reconstruction.…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Xinyi Yu , Liqin Lu , Jintao Rong , Guangkai Xu , Linlin Ou

To overcome inherent hardware limitations of hyperspectral imaging systems with respect to their spatial resolution, fusion-based hyperspectral image (HSI) super-resolution is attracting increasing attention. This technique aims to fuse a…

Image and Video Processing · Electrical Eng. & Systems 2022-01-25 Xiuheng Wang , Jie Chen , Cédric Richard

Face restoration under complex degradations still remains an ill-posed inverse problem due to severe information loss. Although diffusion models benefit from strong generative priors, most methods still condition only on low-quality inputs,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Zirui Wang , Xianhui Lin , Yi Dong , Bo Wei , Gangjian Zhang , Siteng Ma , Zebiao Zheng , Xing Liu , Hong Gu , Minjing Dong

Human Mesh Recovery (HMR) is an important yet challenging problem with applications across various domains including motion capture, augmented reality, and biomechanics. Accurately predicting human pose parameters from a single image…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Jaewoo Heo , George Hu , Zeyu Wang , Serena Yeung-Levy

Face restoration is an inherently ill-posed problem, where additional prior constraints are typically considered crucial for mitigating such pathology. However, real-world image prior are often hard to simulate with precise mathematical…

Computer Vision and Pattern Recognition · Computer Science 2020-10-13 Lingbo Yang , Pan Wang , Zhanning Gao , Shanshe Wang , Peiran Ren , Siwei Ma , Wen Gao

Illumination patterns of computational ghost imaging (CGI) systems suffer from reduced contrast when passing through a scattering medium, which causes the effective information in the reconstruction result to be drowned out by noise. A…

Optics · Physics 2023-04-18 Li-Xing Lin , Jie Cao , Qun Hao

We present a joint learning scheme of video super-resolution and deblurring, called VSRDB, to restore clean high-resolution (HR) videos from blurry low-resolution (LR) ones. This joint restoration problem has drawn much less attention…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Geunhyuk Youk , Jihyong Oh , Munchurl Kim