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Image restoration requires a careful balance between noise suppression and structure preservation. While first-order total variation (TV) regularization effectively preserves edges, it often introduces staircase artifacts, whereas…

数值分析 · 数学 2025-11-13 Liang Luo , Lei Zhang

Despite the recent progress in image dehazing, several problems remain largely unsolved such as robustness for varying scenes, the visual quality of reconstructed images, and effectiveness and flexibility for applications. To tackle these…

计算机视觉与模式识别 · 计算机科学 2017-12-05 Chongyi Li , Jichang Guo , Fatih Porikli , Chunle Guo , Huzhu Fu , Xi Li

Recent advances in deep learning have significantly improved performance of video prediction. However, state-of-the-art methods still suffer from blurriness and distortions in their future predictions, especially when there are large…

计算机视觉与模式识别 · 计算机科学 2020-03-20 Osamu Shouno

Video restoration and enhancement are critical not only for improving visual quality, but also as essential pre-processing steps to boost the performance of a wide range of downstream computer vision tasks. This survey presents a…

计算机视觉与模式识别 · 计算机科学 2025-07-14 Alexandra Malyugina , Yini Li , Joanne Lin , Nantheera Anantrasirichai

Compositing is one of the most common operations in photo editing. To generate realistic composites, the appearances of foreground and background need to be adjusted to make them compatible. Previous approaches to harmonize composites have…

计算机视觉与模式识别 · 计算机科学 2017-03-02 Yi-Hsuan Tsai , Xiaohui Shen , Zhe Lin , Kalyan Sunkavalli , Xin Lu , Ming-Hsuan Yang

As a widely studied task, video restoration aims to enhance the quality of the videos with multiple potential degradations, such as noises, blurs and compression artifacts. Among video restorations, compressed video quality enhancement and…

计算机视觉与模式识别 · 计算机科学 2023-02-07 Meisong Zheng , Qunliang Xing , Minglang Qiao , Mai Xu , Lai Jiang , Huaida Liu , Ying Chen

Overfitting to synthetic training pairs remains a critical challenge in image dehazing, leading to poor generalization capability to real-world scenarios. To address this issue, existing approaches utilize unpaired realistic data for…

计算机视觉与模式识别 · 计算机科学 2025-06-17 Haoyou Deng , Zhiqiang Li , Feng Zhang , Qingbo Lu , Zisheng Cao , Yuanjie Shao , Shuhang Gu , Changxin Gao , Nong Sang

In recent years, denoising methods based on deep learning have achieved unparalleled performance at the cost of large computational complexity. In this work, we propose an Efficient Multi-stage Video Denoising algorithm, called EMVD, to…

图像与视频处理 · 电气工程与系统科学 2023-03-31 Matteo Maggioni , Yibin Huang , Cheng Li , Shuai Xiao , Zhongqian Fu , Fenglong Song

We present a simple method to reconstruct a high-resolution video from a face-video, where the identity of a person is obscured by pixelization. This concealment method is popular because the viewer can still perceive a human face figure…

计算机视觉与模式识别 · 计算机科学 2020-09-30 Maayan Shuvi , Noa Fish , Kfir Aberman , Ariel Shamir , Daniel Cohen-Or

Generating high-dimensional visual modalities is a computationally intensive task. A common solution is progressive generation, where the outputs are synthesized in a coarse-to-fine spectral autoregressive manner. While diffusion models…

计算机视觉与模式识别 · 计算机科学 2025-06-25 Moayed Haji-Ali , Willi Menapace , Ivan Skorokhodov , Arpit Sahni , Sergey Tulyakov , Vicente Ordonez , Aliaksandr Siarohin

The changing level of haze is one of the main factors which affects the success of the proposed dehazing methods. However, there is a lack of controlled multi-level hazy dataset in the literature. Therefore, in this study, a new multi-level…

图像与视频处理 · 电气工程与系统科学 2023-08-01 Bedrettin Cetinkaya , Yucel Cimtay , Fatma Nazli Gunay , Gokce Nur Yilmaz

3D alignment has become a very important part of 3D scanning technology. For instance, we can divide the alignment process into four steps: key point detection, key point description, initial pose estimation, and alignment refinement.…

计算机视觉与模式识别 · 计算机科学 2021-10-29 Abdenour Amamra , Khalid Boumaza

When imaging through a semi-reflective medium such as glass, the reflection of another scene can often be found in the captured images. It degrades the quality of the images and affects their subsequent analyses. In this paper, a novel deep…

图像与视频处理 · 电气工程与系统科学 2022-08-11 Tingtian Li , Yuk-Hee Chan , Daniel P. K. Lun

Self-supervised video denoising has seen decent progress through the use of blind spot networks. However, under their blind spot constraints, previous self-supervised video denoising methods suffer from significant information loss and…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Zichun Wang , Yulun Zhang , Debing Zhang , Ying Fu

Video frame transmission delay is critical in real-time applications such as online video gaming, live show, etc. The receiving deadline of a new frame must catch up with the frame rendering time. Otherwise, the system will buffer a while,…

计算机视觉与模式识别 · 计算机科学 2021-03-18 Wang Shen , Wenbo Bao , Guangtao Zhai , Charlie L Wang , Jerry W Hu , Zhiyong Gao

Current frontier video diffusion models have demonstrated remarkable results at generating high-quality videos. However, they can only generate short video clips, normally around 10 seconds or 240 frames, due to computation limitations…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Desai Xie , Zhan Xu , Yicong Hong , Hao Tan , Difan Liu , Feng Liu , Arie Kaufman , Yang Zhou

Frame interpolation attempts to synthesise frames given one or more consecutive video frames. In recent years, deep learning approaches, and notably convolutional neural networks, have succeeded at tackling low- and high-level computer…

计算机视觉与模式识别 · 计算机科学 2019-02-27 Joost van Amersfoort , Wenzhe Shi , Alejandro Acosta , Francisco Massa , Johannes Totz , Zehan Wang , Jose Caballero

Digitising the 3D world into a clean, CAD model-based representation has important applications for augmented reality and robotics. Current state-of-the-art methods are computationally intensive as they individually encode each detected…

计算机视觉与模式识别 · 计算机科学 2024-03-25 Florian Langer , Jihong Ju , Georgi Dikov , Gerhard Reitmayr , Mohsen Ghafoorian

Video denoising aims at removing noise from videos to recover clean ones. Some existing works show that optical flow can help the denoising by exploiting the additional spatial-temporal clues from nearby frames. However, the flow estimation…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Jiezhang Cao , Qin Wang , Jingyun Liang , Yulun Zhang , Kai Zhang , Radu Timofte , Luc Van Gool

High dynamic range (HDR) videos provide a more visually realistic experience than the standard low dynamic range (LDR) videos. Despite having significant progress in HDR imaging, it is still a challenging task to capture high-quality HDR…

图像与视频处理 · 电气工程与系统科学 2021-11-04 Mrinal Anand , Nidhin Harilal , Chandan Kumar , Shanmuganathan Raman