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Existing deep learning-based shadow removal methods still produce images with shadow remnants. These shadow remnants typically exist in homogeneous regions with low-intensity values, making them untraceable in the existing image-to-image…

计算机视觉与模式识别 · 计算机科学 2024-02-02 Yuhao Liu , Qing Guo , Lan Fu , Zhanghan Ke , Ke Xu , Wei Feng , Ivor W. Tsang , Rynson W. H. Lau

Blind image deblurring is a challenging problem in computer vision, which aims to restore both the blur kernel and the latent sharp image from only a blurry observation. Inspired by the prevalent self-example prior in image…

计算机视觉与模式识别 · 计算机科学 2019-06-12 Yuanchao Bai , Huizhu Jia , Ming Jiang , Xianming Liu , Xiaodong Xie , Wen Gao

Diffusion-based methods, endowed with a formidable generative prior, have received increasing attention in Image Super-Resolution (ISR) recently. However, as low-resolution (LR) images often undergo severe degradation, it is challenging for…

计算机视觉与模式识别 · 计算机科学 2024-07-22 Yunpeng Qu , Kun Yuan , Kai Zhao , Qizhi Xie , Jinhua Hao , Ming Sun , Chao Zhou

In this work, we address the challenging task of 3D object recognition without the reliance on real-world 3D labeled data. Our goal is to predict the 3D shape, size, and 6D pose of objects within a single RGB-D image, operating at the…

计算机视觉与模式识别 · 计算机科学 2023-10-20 Mayank Lunayach , Sergey Zakharov , Dian Chen , Rares Ambrus , Zsolt Kira , Muhammad Zubair Irshad

Aiming to restore the original intensity of shadow regions in an image and make them compatible with the remaining non-shadow regions without a trace, shadow removal is a very challenging problem that benefits many downstream…

计算机视觉与模式识别 · 计算机科学 2022-07-05 Jin Wan , Hui Yin , Zhenyao Wu , Xinyi Wu , Zhihao Liu , Song Wang

Image restoration is a challenging ill-posed problem which estimates latent sharp image from its degraded counterpart. Although the existing methods have achieved promising performance by designing novelty architecture of module, they…

计算机视觉与模式识别 · 计算机科学 2024-05-21 Hu Gao , Bowen Ma , Ying Zhang , Jingfan Yang , Jing Yang , Depeng Dang

The problem of estimating a surface shape from its observed reflectance properties still remains a challenging task in computer vision. The presence of global illumination effects such as inter-reflections or cast shadows makes the task…

计算机视觉与模式识别 · 计算机科学 2021-03-24 David Honzátko , Engin Türetken , Pascal Fua , L. Andrea Dunbar

Deep learning based rendering has achieved major improvements in photo-realistic image synthesis, with potential applications including visual effects in movies and photo-realistic scene building in video games. However, a significant…

计算机视觉与模式识别 · 计算机科学 2025-06-25 Zhuo He , Paul Henderson , Nicolas Pugeault

Many interesting tasks in image restoration can be cast as linear inverse problems. A recent family of approaches for solving these problems uses stochastic algorithms that sample from the posterior distribution of natural images given the…

图像与视频处理 · 电气工程与系统科学 2022-10-14 Bahjat Kawar , Michael Elad , Stefano Ermon , Jiaming Song

Computed tomography (CT) is widely used in scientific imaging systems such as synchrotron and laboratory-based nano-CT, but acquiring full-view sinograms requires high radiation dose and long scan times. Sparse-view CT reduces this burden…

图像与视频处理 · 电气工程与系统科学 2026-02-10 Jiaze E , Srutarshi Banerjee , Tekin Bicer , Guannan Wang , Yanfu Zhang , Bin Ren

We introduce FusionRF, a novel framework for digital surface reconstruction from satellite multispectral and panchromatic images. Current work has demonstrated the increased accuracy of neural photogrammetry for surface reconstruction from…

计算机视觉与模式识别 · 计算机科学 2025-11-06 Michael Sprintson , Rama Chellappa , Cheng Peng

Neural surface reconstruction (NSR) has recently shown strong potential for urban 3D reconstruction from multi-view aerial imagery. However, existing NSR methods often suffer from geometric ambiguity and instability, particularly under…

计算机视觉与模式识别 · 计算机科学 2026-01-30 Da Li , Chen Yao , Tong Mao , Jiacheng Bao , Houjun Sun

Implicit degradation modeling-based blind super-resolution (SR) has attracted more increasing attention in the community due to its excellent generalization to complex degradation scenarios and wide application range. How to extract more…

计算机视觉与模式识别 · 计算机科学 2025-04-10 Jiang Yuan , Ji Ma , Bo Wang , Weiming Hu

Low-light image enhancement is a classical computer vision problem aiming to recover normal-exposure images from low-light images. However, convolutional neural networks commonly used in this field are good at sampling low-frequency local…

计算机视觉与模式识别 · 计算机科学 2022-09-19 Yunliang Zhuang , Zhuoran Zheng , Chen Lyu

Large-scale generative models have achieved remarkable advancements in various visual tasks, yet their application to shadow removal in images remains challenging. These models often generate diverse, realistic details without adequate…

计算机视觉与模式识别 · 计算机科学 2024-12-04 Xinjie Li , Yang Zhao , Dong Wang , Yuan Chen , Li Cao , Xiaoping Liu

Reconstructing soft tissues from stereo endoscope videos is an essential prerequisite for many medical applications. Previous methods struggle to produce high-quality geometry and appearance due to their inadequate representations of 3D…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Ruyi Zha , Xuelian Cheng , Hongdong Li , Mehrtash Harandi , Zongyuan Ge

Novel view synthesis from low-light, noisy, and motion-blurred imagery remains a valuable and challenging task. Current volumetric rendering methods struggle with compound degradation, and sequential 2D preprocessing introduces artifacts…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Feng Zhang , Jinglong Wang , Ze Li , Yanghong Zhou , Yang Chen , Lei Chen , Xiatian Zhu

Most existing Image Restoration (IR) models are task-specific, which can not be generalized to different degradation operators. In this work, we propose the Denoising Diffusion Null-Space Model (DDNM), a novel zero-shot framework for…

计算机视觉与模式识别 · 计算机科学 2022-12-08 Yinhuai Wang , Jiwen Yu , Jian Zhang

The purpose of face super-resolution (FSR) is to reconstruct high-resolution (HR) face images from low-resolution (LR) inputs. With the continuous advancement of deep learning technologies, contemporary prior-guided FSR methods initially…

计算机视觉与模式识别 · 计算机科学 2024-09-24 Qiu Yang , Xiao Sun , Xin-yu Li , Feng-Qi Cui , Yu-Tong Guo , Shuang-Zhen Hu , Ping Luo , Si-Ying Li

We present a fully convolutional network(FCN) based approach for color image restoration. FCNs have recently shown remarkable performance for high-level vision problem like semantic segmentation. In this paper, we investigate if FCN models…

计算机视觉与模式识别 · 计算机科学 2017-04-14 Subhajit Chaudhury , Hiya Roy
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