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Mesh denoising is a critical technology in geometry processing that aims to recover high-fidelity 3D mesh models of objects from their noise-corrupted versions. In this work, we propose a learning-based normal filtering scheme for mesh…

图形学 · 计算机科学 2019-11-15 Wenbo Zhao , Xianming Liu , Yongsen Zhao , Xiaopeng Fan , Debin Zhao

As a powerful statistical image modeling technique, sparse representation has been successfully used in various image restoration applications. The success of sparse representation owes to the development of l1-norm optimization techniques,…

计算机视觉与模式识别 · 计算机科学 2015-05-20 Weisheng Dong , Lei Zhang , Guangming Shi , Xiaolin Wu

Defocus blur is a physical consequence of the optical sensors used in most cameras. Although it can be used as a photographic style, it is commonly viewed as an image degradation modeled as the convolution of a sharp image with a…

计算机视觉与模式识别 · 计算机科学 2022-06-28 Ali Karaali , Claudio Rosito Jung

This work presents a novel deep-learning-based pipeline for the inverse problem of image deblurring, leveraging augmentation and pre-training with synthetic data. Our results build on our winning submission to the recent Helsinki Deblur…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Theophil Trippe , Martin Genzel , Jan Macdonald , Maximilian März

Image deblurring is a critical task in the field of image restoration, aiming to eliminate blurring artifacts. However, the challenge of addressing non-uniform blurring leads to an ill-posed problem, which limits the generalization…

计算机视觉与模式识别 · 计算机科学 2023-12-19 Siwei Li , Mingxuan Liu , Yating Zhang , Shu Chen , Haoxiang Li , Zifei Dou , Hong Chen

The objective of this work is to deblur face videos. We propose a method that tackles this problem from two directions: (1) enhancing the blurry frames, and (2) treating the blurry frames as missing values and estimate them by…

计算机视觉与模式识别 · 计算机科学 2021-03-02 Phong Tran , Anh Tran , Thao Nguyen , Minh Hoai

Non-uniform blind deblurring for general dynamic scenes is a challenging computer vision problem as blurs arise not only from multiple object motions but also from camera shake, scene depth variation. To remove these complicated motion…

计算机视觉与模式识别 · 计算机科学 2018-05-08 Seungjun Nah , Tae Hyun Kim , Kyoung Mu Lee

In this paper, we address the problem of dynamic scene deblurring in the presence of motion blur. Restoration of images affected by severe blur necessitates a network design with a large receptive field, which existing networks attempt to…

计算机视觉与模式识别 · 计算机科学 2022-02-08 Kuldeep Purohit , A. N. Rajagopalan

Face anti-spoofing is crucial to security of face recognition systems. Previous approaches focus on developing discriminative models based on the features extracted from images, which may be still entangled between spoof patterns and real…

计算机视觉与模式识别 · 计算机科学 2020-08-20 Ke-Yue Zhang , Taiping Yao , Jian Zhang , Ying Tai , Shouhong Ding , Jilin Li , Feiyue Huang , Haichuan Song , Lizhuang Ma

Facial image super-resolution (SR) is an important preprocessing for facial image analysis, face recognition, and image-based 3D face reconstruction. Recent convolutional neural network (CNN) based method has shown excellent performance by…

计算机视觉与模式识别 · 计算机科学 2019-12-24 Jung Un Yun , In Kyu Park

Image deblurring aims to restore the detailed texture information or structures from blurry images, which has become an indispensable step in many computer vision tasks. Although various methods have been proposed to deal with the image…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Yanni Zhang , Qiang Li , Miao Qi , Di Liu , Jun Kong , Jianzhong Wang

Face super-resolution aims to reconstruct a high-resolution face image from a low-resolution face image. Previous methods typically employ an encoder-decoder structure to extract facial structural features, where the direct downsampling…

计算机视觉与模式识别 · 计算机科学 2024-07-31 Wenjie Li , Heng Guo , Xuannan Liu , Kongming Liang , Jiani Hu , Zhanyu Ma , Jun Guo

In this paper, we consider the problem in defocus image deblurring. Previous classical methods follow two-steps approaches, i.e., first defocus map estimation and then the non-blind deblurring. In the era of deep learning, some researchers…

计算机视觉与模式识别 · 计算机科学 2022-07-08 Qian Ye , Masanori Suganuma , Takayuki Okatani

The key success factor of the video deblurring methods is to compensate for the blurry pixels of the mid-frame with the sharp pixels of the adjacent video frames. Therefore, mainstream methods align the adjacent frames based on the…

计算机视觉与模式识别 · 计算机科学 2022-07-25 Huicong Zhang , Haozhe Xie , Hongxun Yao

Face Super-Resolution (FSR) aims to recover high-resolution (HR) face images from low-resolution (LR) ones. Despite the progress made by convolutional neural networks in FSR, the results of existing approaches are not ideal due to their low…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Hao Liu , Yang Yang , Yunxia Liu

We introduce a novel framework for continuous facial motion deblurring that restores the continuous sharp moment latent in a single motion-blurred face image via a moment control factor. Although a motion-blurred image is the accumulated…

计算机视觉与模式识别 · 计算机科学 2022-07-15 Tae Bok Lee , Sujy Han , Yong Seok Heo

Image deblurring is an essential image preprocessing technique, aiming to recover clear and detailed images form blurry ones. However, existing algorithms often fail to effectively integrate multi-scale feature extraction with frequency…

计算机视觉与模式识别 · 计算机科学 2024-11-12 Yawen Xiang , Heng Zhou , Chengyang Li , Zhongbo Li , Yongqiang Xie

Previous face inverse rendering methods often require synthetic data with ground truth and/or professional equipment like a lighting stage. However, a model trained on synthetic data or using pre-defined lighting priors is typically unable…

计算机视觉与模式识别 · 计算机科学 2023-01-31 Meng Wang , Xiaojie Guo , Wenjing Dai , Jiawan Zhang

Image denoising is a fundamental problem in image processing whose primary objective is to remove the noise while preserving the original image structure. In this work, we proposed a new architecture for image denoising. We have used…

图像与视频处理 · 电气工程与系统科学 2019-03-25 Sutanu Bera , Avisek Lahiri , Prabir Kumar Biswas

This paper proposes a novel approach to regularize the ill-posed blind image deconvolution (blind image deblurring) problem using deep generative networks. We employ two separate deep generative models - one trained to produce sharp images…

计算机视觉与模式识别 · 计算机科学 2019-08-21 Muhammad Asim , Fahad Shamshad , Ali Ahmed