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Images with different resolutions are ubiquitous in public person re-identification (ReID) datasets and real-world scenes, it is thus crucial for a person ReID model to handle the image resolution variations for improving its generalization…

计算机视觉与模式识别 · 计算机科学 2018-10-25 Zijie Zhuang , Haizhou Ai , Long Chen , Chong Shang

This paper introduces a novel perspective about error in machine learning and proposes inverse feature learning (IFL) as a representation learning approach that learns a set of high-level features based on the representation of error for…

机器学习 · 计算机科学 2020-03-10 Behzad Ghazanfari , Fatemeh Afghah

The surge in face forgeries has increasingly undermined confidence in the authenticity of online content. As generation algorithms rapidly evolve, new fake categories will constantly emerge, severely challenging existing face forgery…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Zhongyi Cai , Bryce Gernon , Wentao Bao , Yifan Li , Matthew Wright , Yu Kong

Detecting maliciously falsified facial images and videos has attracted extensive attention from digital-forensics and computer-vision communities. An important topic in manipulation detection is the localization of the fake regions.…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Weinan Guan , Wei Wang , Jing Dong , Bo Peng , Tieniu Tan

Detecting face forgeries using CLIP has recently emerged as a promising and increasingly popular research direction. Owing to its rich visual knowledge acquired through large-scale pretraining, most existing methods typically rely on the…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Enrui Yang , Yuezun Li

We propose a new method to detect deepfake images using the cue of the source feature inconsistency within the forged images. It is based on the hypothesis that images' distinct source features can be preserved and extracted after going…

计算机视觉与模式识别 · 计算机科学 2021-07-28 Tianchen Zhao , Xiang Xu , Mingze Xu , Hui Ding , Yuanjun Xiong , Wei Xia

Face forgery detection is essential in combating malicious digital face attacks. Previous methods mainly rely on prior expert knowledge to capture specific forgery clues, such as noise patterns, blending boundaries, and frequency artifacts.…

计算机视觉与模式识别 · 计算机科学 2023-04-26 Anwei Luo , Chenqi Kong , Jiwu Huang , Yongjian Hu , Xiangui Kang , Alex C. Kot

Federated learning (FL) facilitates a privacy-preserving neural network training paradigm through collaboration between edge clients and a central server. One significant challenge is that the distributed data is not independently and…

计算机视觉与模式识别 · 计算机科学 2024-09-12 Yu Qiao , Huy Q. Le , Mengchun Zhang , Apurba Adhikary , Chaoning Zhang , Choong Seon Hong

Multi-view contrastive clustering (MVCC) has gained significant attention for generating consistent clustering structures from multiple views through contrastive learning. However, most existing MVCC methods create cross-views by combining…

计算机视觉与模式识别 · 计算机科学 2025-01-24 Hanning Yuan , Zhihui Zhang , Qi Guo , Lianhua Chi , Sijie Ruan , Jinhui Pang , Xiaoshuai Hao

Part feature learning is critical for fine-grained semantic understanding in vehicle re-identification. However, existing approaches directly model part features and global features, which can easily lead to serious gradient vanishing…

计算机视觉与模式识别 · 计算机科学 2023-03-17 Fei Shen , Xiaoyu Du , Liyan Zhang , Xiangbo Shu , Jinhui Tang

Medical image segmentation is a critical yet challenging task, primarily due to the difficulty of obtaining extensive datasets of high-quality, expert-annotated images. Contrastive learning presents a potential but still problematic…

计算机视觉与模式识别 · 计算机科学 2025-04-22 Shuang Zeng , Lei Zhu , Xinliang Zhang , Hangzhou He , Yanye Lu

Cross-age facial images are typically challenging and expensive to collect, making noise-free age-oriented datasets relatively small compared to widely-used large-scale facial datasets. Additionally, in real scenarios, images of the same…

计算机视觉与模式识别 · 计算机科学 2024-01-04 Haoyi Wang , Victor Sanchez , Chang-Tsun Li

Pre-training plays a vital role in various vision tasks, such as object recognition and detection. Commonly used pre-training methods, which typically rely on randomized approaches like uniform or Gaussian distributions to initialize model…

计算机视觉与模式识别 · 计算机科学 2024-11-15 Chen-Long Duan , Yong Li , Xiu-Shen Wei , Lin Zhao

Medical image classification is one of the most important tasks for computer-aided diagnosis. Deep learning models, particularly convolutional neural networks, have been successfully used for disease classification from medical images,…

计算机视觉与模式识别 · 计算机科学 2023-05-05 Md. Atik Ahamed , Jin Chen , Abdullah-Al-Zubaer Imran

In recent years, advanced image editing and generation methods have rapidly evolved, making detecting and locating forged image content increasingly challenging. Most existing image forgery detection methods rely on identifying the edited…

计算机视觉与模式识别 · 计算机科学 2025-04-11 Hengrun Zhao , Yunzhi Zhuge , Yifan Wang , Lijun Wang , Huchuan Lu , Yu Zeng

Contrastive learning is among the most successful methods for visual representation learning, and its performance can be further improved by jointly performing clustering on the learned representations. However, existing methods for joint…

计算机视觉与模式识别 · 计算机科学 2022-09-16 Shunjie-Fabian Zheng , JaeEun Nam , Emilio Dorigatti , Bernd Bischl , Shekoofeh Azizi , Mina Rezaei

Self-supervised learning (SSL) has recently achieved great success in mining the user-item interactions for collaborative filtering. As a major paradigm, contrastive learning (CL) based SSL helps address data sparsity in Web platforms by…

信息检索 · 计算机科学 2024-02-20 Dan Zhang , Yangliao Geng , Wenwen Gong , Zhongang Qi , Zhiyu Chen , Xing Tang , Ying Shan , Yuxiao Dong , Jie Tang

Self-supervised learning has recently shown great potential in vision tasks through contrastive learning, which aims to discriminate each image, or instance, in the dataset. However, such instance-level learning ignores the semantic…

计算机视觉与模式识别 · 计算机科学 2022-03-17 Tsai-Shien Chen , Wei-Chih Hung , Hung-Yu Tseng , Shao-Yi Chien , Ming-Hsuan Yang

Prototypical contrastive learning (PCL) has been widely used to learn class-wise domain-invariant features recently. These methods are based on the assumption that the prototypes, which are represented as the central value of the same class…

计算机视觉与模式识别 · 计算机科学 2023-09-26 Muxin Liao , Shishun Tian , Yuhang Zhang , Guoguang Hua , Wenbin Zou , Xia Li

Both generative learning and discriminative learning have recently witnessed remarkable progress using Deep Neural Networks (DNNs). For structured input synthesis and structured output prediction problems (e.g., layout-to-image synthesis…

计算机视觉与模式识别 · 计算机科学 2021-03-16 Wei Sun , Tianfu Wu