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Fine-grained hashing has become a powerful solution for rapid and efficient image retrieval, particularly in scenarios requiring high discrimination between visually similar categories. To enable each hash bit to correspond to specific…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Peng Wang , Yong Li , Lin Zhao , Xiu-Shen Wei

Image forgery has become a critical threat with the rapid proliferation of AI-based generation tools, which make it increasingly easy to synthesize realistic but fraudulent facial content. Existing detection methods achieve near-perfect…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Wyatt McCurdy , Xin Zhang , Yuqi Song , Min Gao

Successful fine-grained image classification methods learn subtle details between visually similar (sub-)classes, but the problem becomes significantly more challenging if the details are missing due to low resolution. Encouraged by the…

Computer Vision and Pattern Recognition · Computer Science 2017-10-17 Dingding Cai , Ke Chen , Yanlin Qian , Joni-Kristian Kämäräinen

Large language model hallucination represents a critical challenge where outputs deviate from factual accuracy due to distributional biases in training data. While recent investigations establish that specific hidden layers exhibit…

Computation and Language · Computer Science 2025-09-29 Wenkai Wang , Vincent Lee , Yizhen Zheng

The rapid evolution of deepfake technologies demands robust and reliable face forgery detection algorithms. While determining whether an image has been manipulated remains essential, the ability to precisely localize forgery clues is also…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Siran Peng , Haoyuan Zhang , Li Gao , Tianshuo Zhang , Xiangyu Zhu , Bao Li , Weisong Zhao , Zhen Lei

The rapid progress in deep generative models has led to the creation of incredibly realistic synthetic images that are becoming increasingly difficult to distinguish from real-world data. The widespread use of Variational Models, Diffusion…

Computer Vision and Pattern Recognition · Computer Science 2025-01-13 Anant Mehta , Bryant McArthur , Nagarjuna Kolloju , Zhengzhong Tu

Classifying fine-grained lesions is challenging due to minor and subtle differences in medical images. This is because learning features of fine-grained lesions with highly minor differences is very difficult in training deep neural…

Computer Vision and Pattern Recognition · Computer Science 2023-08-14 Wongi Park , Jongbin Ryu

Extracting and fusing part features have become the key of fined-grained image recognition. Recently, Non-local (NL) module has shown excellent improvement in image recognition. However, it lacks the mechanism to model the interactions…

Computer Vision and Pattern Recognition · Computer Science 2020-05-20 Zihan Ye , Fuyuan Hu , Yin Liu , Zhenping Xia , Fan Lyu , Pengqing Liu

The rapid evolution of AIGC technology enables misleading viewers by tampering mere small segments within a video, rendering video-level detection inaccurate and unpersuasive. Consequently, temporal forgery localization (TFL), which aims to…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Boyang Zhao , Xin Liao , Jiaxin Chen , Xiaoshuai Wu , Yufeng Wu

Recent advances in AI technology have made the forgery of digital images and videos easier, and it has become significantly more difficult to identify such forgeries. These forgeries, if disseminated with malicious intent, can negatively…

Computer Vision and Pattern Recognition · Computer Science 2019-12-30 Chia-Mu Yu , Ching-Tang Chang , Yen-Wu Ti

In histopathological image analysis, feature extraction for classification is a challenging task due to the diversity of histology features suitable for each problem as well as presence of rich geometrical structures. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2016-03-30 Tiep Huu Vu , Hojjat Seyed Mousavi , Vishal Monga , Arvind UK Rao , Ganesh Rao

This paper describes an effective and efficient image classification framework nominated distributed deep representation learning model (DDRL). The aim is to strike the balance between the computational intensive deep learning approaches…

Computer Vision and Pattern Recognition · Computer Science 2016-07-05 Le Dong , Na Lv , Qianni Zhang , Shanshan Xie , Ling He , Mengdie Mao

Deepfake detection faces a critical generalization hurdle, with performance deteriorating when there is a mismatch between the distributions of training and testing data. A broadly received explanation is the tendency of these detectors to…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Zhiyuan Yan , Yuhao Luo , Siwei Lyu , Qingshan Liu , Baoyuan Wu

We propose a novel approach to enhance the discriminability of Convolutional Neural Networks (CNN). The key idea is to build a tree structure that could progressively learn fine-grained features to distinguish a subset of classes, by…

Computer Vision and Pattern Recognition · Computer Science 2017-09-25 Zhenhua Wang , Xingxing Wang , Gang Wang

Object categories inherently form a hierarchy with different levels of concept abstraction, especially for fine-grained categories. For example, birds (Aves) can be categorized according to a four-level hierarchy of order, family, genus,…

Computer Vision and Pattern Recognition · Computer Science 2018-08-15 Tianshui Chen , Wenxi Wu , Yuefang Gao , Le Dong , Xiaonan Luo , Liang Lin

Fine-grained image retrieval (FGIR) is to learn visual representations that distinguish visually similar objects while maintaining generalization. Existing methods propose to generate discriminative features, but rarely consider the…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Xin Jiang , Hao Tang , Rui Yan , Jinhui Tang , Zechao Li

Existing high-resolution satellite image forgery localization methods rely on patch-based or downsampling-based training. Both of these training methods have major drawbacks, such as inaccurate boundaries between pristine and forged…

Computer Vision and Pattern Recognition · Computer Science 2023-07-21 Fahim Faisal Niloy , Kishor Kumar Bhaumik , Simon S. Woo

With the rapid advancement of artificial intelligence-generated content (AIGC) technologies, including multimodal large language models (MLLMs) and diffusion models, image generation and manipulation have become remarkably effortless.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-19 Rui Zuo , Qinyue Tong , Zhe-Ming Lu , Ziqian Lu

In this paper, we present a new Light Field representation for efficient Light Field processing and rendering called Fourier Disparity Layers (FDL). The proposed FDL representation samples the Light Field in the depth (or equivalently the…

Computer Vision and Pattern Recognition · Computer Science 2019-10-02 Mikael Le Pendu , Christine Guillemot , Aljosa Smolic

The emergence of deepfake technology has introduced a range of societal problems, garnering considerable attention. Current deepfake detection methods perform well on specific datasets, but exhibit poor performance when applied to datasets…

Computer Vision and Pattern Recognition · Computer Science 2025-08-15 Lixin Jia , Zhiqing Guo , Gaobo Yang , Liejun Wang , Keqin Li
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