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Existing image restoration methods mostly leverage the posterior distribution of natural images. However, they often assume known degradation and also require supervised training, which restricts their adaptation to complex real…

Computer Vision and Pattern Recognition · Computer Science 2023-04-05 Ben Fei , Zhaoyang Lyu , Liang Pan , Junzhe Zhang , Weidong Yang , Tianyue Luo , Bo Zhang , Bo Dai

We consider the problem of video snapshot compressive imaging (SCI), where sequential high-speed frames are modulated by different masks and captured by a single measurement. The underlying principle of reconstructing multi-frame images…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Siming Zheng , Xin Yuan

All-in-one image restoration aims to handle diverse degradations within a single model. However, existing methods often suffer from three key limitations: 1) per-input computational overhead from dynamic degradation estimation; 2)…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Ao Li , Xiaoning Liu , Sheng Li , Yapeng Du , Zhen Long , Lei Luo , Le Zhang , Ce Zhu

Blind face restoration usually synthesizes degraded low-quality data with a pre-defined degradation model for training, while more complex cases could happen in the real world. This gap between the assumed and actual degradation hurts the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Zhixin Wang , Xiaoyun Zhang , Ziying Zhang , Huangjie Zheng , Mingyuan Zhou , Ya Zhang , Yanfeng Wang

Liquify is a common technique for image editing, which can be used for image distortion. Due to the uncertainty in the distortion variation, restoring distorted images caused by liquify filter is a challenging task. To edit images in an…

Image and Video Processing · Electrical Eng. & Systems 2020-11-30 Yi Gu , Yuting Gao , Jie Li , Chentao Wu , Weijia Jia

In person re-identification (re-ID) task, it is still challenging to learn discriminative representation by deep learning, due to limited data. Generally speaking, the model will get better performance when increasing the amount of data.…

Computer Vision and Pattern Recognition · Computer Science 2023-03-01 Wen Li , Cheng Zou , Meng Wang , Furong Xu , Jianan Zhao , Ruobing Zheng , Yuan Cheng , Wei Chu

Most advanced unsupervised anomaly detection (UAD) methods rely on modeling feature representations of frozen encoder networks pre-trained on large-scale datasets, e.g. ImageNet. However, the features extracted from the encoders that are…

Computer Vision and Pattern Recognition · Computer Science 2023-10-25 Jia Guo , Shuai Lu , Lize Jia , Weihang Zhang , Huiqi Li

Face recognition can benefit from the utilization of depth data captured using low-cost cameras, in particular for presentation attack detection purposes. Depth video output from these capture devices can however contain defects such as…

Computer Vision and Pattern Recognition · Computer Science 2021-07-28 Torsten Schlett , Christian Rathgeb , Christoph Busch

As a powerful engine, vanilla convolution has promoted huge breakthroughs in various computer tasks. However, it often suffers from sample and content agnostic problems, which limits the representation capacities of the convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2022-11-14 Longbin Yan , Yunxiao Qin , Shumin Liu , Jie Chen

Text-guided image generation and editing using diffusion models have achieved remarkable advancements. Among these, tuning-free methods have gained attention for their ability to perform edits without extensive model adjustments, offering…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Wenyi Mo , Tianyu Zhang , Yalong Bai , Bing Su , Ji-Rong Wen

Deep learning algorithms for video Snapshot Compressive Imaging (SCI) have achieved great success, yet they predominantly focus on reconstructing from clean measurements. This overlooks a critical real-world challenge: the captured signal…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Hao Wang , Zhankuo Xu , Jiong Ni , Xing Liu , Haoyang Liu , Xin Yuan

Image restoration in adverse weather conditions is a difficult task in computer vision. In this paper, we propose a novel transformer-based framework called GridFormer which serves as a backbone for image restoration under adverse weather…

Computer Vision and Pattern Recognition · Computer Science 2024-06-24 Tao Wang , Kaihao Zhang , Ziqian Shao , Wenhan Luo , Bjorn Stenger , Tong Lu , Tae-Kyun Kim , Wei Liu , Hongdong Li

Due to adverse atmospheric and imaging conditions, natural images suffer from various degradation phenomena. Consequently, image restoration has emerged as a key solution and garnered substantial attention. Although recent Transformer…

Image and Video Processing · Electrical Eng. & Systems 2025-05-12 Xingyu Jiang , Ning Gao , Xiuhui Zhang , Hongkun Dou , Shaowen Fu , Xiaoqing Zhong , Hongjue Li , Yue Deng

Complex spectrum and magnitude are considered as two major features of speech enhancement and dereverberation. Traditional approaches always treat these two features separately, ignoring their underlying relationship. In this paper, we…

Audio and Speech Processing · Electrical Eng. & Systems 2022-05-06 Yihui Fu , Yun Liu , Jingdong Li , Dawei Luo , Shubo Lv , Yukai Jv , Lei Xie

We propose a fully unsupervised multi-modal deformable image registration method (UMDIR), which does not require any ground truth deformation fields or any aligned multi-modal image pairs during training. Multi-modal registration is a key…

Computer Vision and Pattern Recognition · Computer Science 2019-03-25 Chen Qin , Bibo Shi , Rui Liao , Tommaso Mansi , Daniel Rueckert , Ali Kamen

Facial expressions, vital in non-verbal human communication, have found applications in various computer vision fields like virtual reality, gaming, and emotional AI assistants. Despite advancements, many facial expression generation models…

Computer Vision and Pattern Recognition · Computer Science 2024-06-14 Hamza Bouzid , Lahoucine Ballihi

The development of transformer-based models has resulted in significant advances in addressing various vision and NLP-based research challenges. However, the progress made in transformer-based methods has not been effectively applied to…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Kamran Ali , Charles E. Hughes

Facial landmark localisation in images captured in-the-wild is an important and challenging problem. The current state-of-the-art revolves around certain kinds of Deep Convolutional Neural Networks (DCNNs) such as stacked U-Nets and…

Computer Vision and Pattern Recognition · Computer Science 2018-12-06 Jia Guo , Jiankang Deng , Niannan Xue , Stefanos Zafeiriou

Several dual-domain convolutional neural network-based methods show outstanding performance in reducing image compression artifacts. However, they suffer from handling color images because the compression processes for gray-scale and color…

Computer Vision and Pattern Recognition · Computer Science 2019-07-29 Bolun Zheng , Yaowu Chen , Xiang Tian , Fan Zhou , Xuesong Liu

Deepfakes are the result of digital manipulation to forge realistic yet fake imagery. With the astonishing advances in deep generative models, fake images or videos are nowadays obtained using variational autoencoders (VAEs) or Generative…

Computer Vision and Pattern Recognition · Computer Science 2022-06-29 Davide Coccomini , Nicola Messina , Claudio Gennaro , Fabrizio Falchi