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Deepfakes pose a significant threat to digital media security, with current detection methods struggling to generalize across different manipulation techniques and datasets. While recent approaches combine CNN-based architectures with…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Pavan C Shekar , Pawan Soni , Vivek Kanhangad

Existing open-source film restoration methods show limited performance compared to commercial methods due to training with low-quality synthetic data and employing noisy optical flows. In addition, high-resolution films have not been…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Rongji Xun , Junjie Yuan , Zhongjie Wang

Existing Blind image Super-Resolution (BSR) methods focus on estimating either kernel or degradation information, but have long overlooked the essential content details. In this paper, we propose a novel BSR approach, Content-aware…

Computer Vision and Pattern Recognition · Computer Science 2024-07-02 Qingguo Liu , Chenyi Zhuang , Pan Gao , Jie Qin

Video Corpus Moment Retrieval (VCMR) is a practical video retrieval task focused on identifying a specific moment within a vast corpus of untrimmed videos using the natural language query. Existing methods for VCMR typically rely on…

Computer Vision and Pattern Recognition · Computer Science 2024-02-22 Danyang Hou , Liang Pang , Huawei Shen , Xueqi Cheng

Mask-free video object insertion has emerged as a challenging task, requiring harmonious integration of reference objects into source videos. However, existing methods struggle when references exhibit severe stylistic domain gaps with the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-25 Xiao Cao , Yansong Qu , Xiangzhen , Chang , Wen Xiao , Jiakui Hu , Heyuan Li , Jialun Liu , Zhiyong Huang , Xuelong Li

A general method for recovering missing DCT coefficients in DCT-transformed images is presented in this work. We model the DCT coefficients recovery problem as an optimization problem and recover all missing DCT coefficients via linear…

Multimedia · Computer Science 2012-09-11 Shujun Li , Andreas Karrenbauer , Dietmar Saupe , C. -C. Jay Kuo

Deep learning models often face challenges when handling real-world image corruptions. In response, researchers have developed image corruption datasets to evaluate the performance of deep neural networks in handling such corruptions.…

Computer Vision and Pattern Recognition · Computer Science 2023-06-13 Harshitha Machiraju , Michael H. Herzog , Pascal Frossard

In real-world scenarios, many factors may harm face recognition performance, e.g., large pose, bad illumination,low resolution, blur and noise. To address these challenges, previous efforts usually first restore the low-quality faces to…

Computer Vision and Pattern Recognition · Computer Science 2021-05-21 Xiaoguang Tu , Jian Zhao , Qiankun Liu , Wenjie Ai , Guodong Guo , Zhifeng Li , Wei Liu , Jiashi Feng

Deepfakes are realistic face manipulations that can pose serious threats to security, privacy, and trust. Existing methods mostly treat this task as binary classification, which uses digital labels or mask signals to train the detection…

Computer Vision and Pattern Recognition · Computer Science 2024-02-08 Ke Sun , Shen Chen , Taiping Yao , Haozhe Yang , Xiaoshuai Sun , Shouhong Ding , Rongrong Ji

Many videos contain flickering artifacts. Common causes of flicker include video processing algorithms, video generation algorithms, and capturing videos under specific situations. Prior work usually requires specific guidance such as the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-15 Chenyang Lei , Xuanchi Ren , Zhaoxiang Zhang , Qifeng Chen

Temporal action detection (TAD) aims to locate action positions and recognize action categories in long-term untrimmed videos. Although many methods have achieved promising results, their robustness has not been thoroughly studied. In…

Computer Vision and Pattern Recognition · Computer Science 2024-04-01 Runhao Zeng , Xiaoyong Chen , Jiaming Liang , Huisi Wu , Guangzhong Cao , Yong Guo

The rapid advancement of generative AI has enabled the mass production of photorealistic synthetic images, blurring the boundary between authentic and fabricated visual content. This challenge is particularly evident in deepfake scenarios…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Minsun Jeon , Simon S. Woo

Deepfake detection refers to detecting artificially generated or edited faces in images or videos, which plays an essential role in visual information security. Despite promising progress in recent years, Deepfake detection remains a…

Computer Vision and Pattern Recognition · Computer Science 2023-12-11 Chunlei Peng , Huiqing Guo , Decheng Liu , Nannan Wang , Ruimin Hu , Xinbo Gao

Proactive Deepfake detection via robust watermarks has seen interest ever since passive Deepfake detectors encountered challenges in identifying high-quality synthetic images. However, while demonstrating reasonable detection performance,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-05 Tianyi Wang , Harry Cheng , Ming-Hui Liu , Mohan Kankanhalli

While the abuse of deepfake technology has caused serious concerns recently, how to detect deepfake videos is still a challenge due to the high photo-realistic synthesis of each frame. Existing image-level approaches often focus on single…

Computer Vision and Pattern Recognition · Computer Science 2022-07-15 Daichi Zhang , Fanzhao Lin , Yingying Hua , Pengju Wang , Dan Zeng , Shiming Ge

Hybrid-distorted image restoration (HD-IR) is dedicated to restore real distorted image that is degraded by multiple distortions. Existing HD-IR approaches usually ignore the inherent interference among hybrid distortions which compromises…

Computer Vision and Pattern Recognition · Computer Science 2020-07-23 Xin Li , Xin Jin , Jianxin Lin , Tao Yu , Sen Liu , Yaojun Wu , Wei Zhou , Zhibo Chen

Clinical screening with low-quality fundus images is challenging and significantly leads to misdiagnosis. This paper addresses the issue of improving the retinal image quality and vessel segmentation through retinal image restoration. More…

Image and Video Processing · Electrical Eng. & Systems 2022-10-06 Alnur Alimanov , Md Baharul Islam

Here we study the extreme visual recovery problem, in which over 90\% of pixel values in a given image are missing. Existing low rank-based algorithms are only effective for recovering data with at most 90\% missing values. Thus, we exploit…

Computer Vision and Pattern Recognition · Computer Science 2016-04-20 Yunhe Wang , Chang Xu , Shan You , Dacheng Tao , Chao Xu

Despite the significant progress made by deep learning in natural image matting, there has been so far no representative work on deep learning for video matting due to the inherent technical challenges in reasoning temporal domain and lack…

Computer Vision and Pattern Recognition · Computer Science 2021-04-23 Yanan Sun , Guanzhi Wang , Qiao Gu , Chi-Keung Tang , Yu-Wing Tai

Deepfakes is a branch of malicious techniques that transplant a target face to the original one in videos, resulting in serious problems such as infringement of copyright, confusion of information, or even public panic. Previous efforts for…

Computer Vision and Pattern Recognition · Computer Science 2021-04-12 Zekun Sun , Yujie Han , Zeyu Hua , Na Ruan , Weijia Jia