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With the rapid development of facial forgery techniques, forgery detection has attracted more and more attention due to security concerns. Existing approaches attempt to use frequency information to mine subtle artifacts under high-quality…

Computer Vision and Pattern Recognition · Computer Science 2021-12-30 Qiqi Gu , Shen Chen , Taiping Yao , Yang Chen , Shouhong Ding , Ran Yi

In recent years, Fine-Grained Visual Classification (FGVC) has achieved impressive recognition accuracy, despite minimal inter-class variations. However, existing methods heavily rely on instance-level labels, making them impractical in…

Computer Vision and Pattern Recognition · Computer Science 2025-05-30 Jinyi Chang , Dongliang Chang , Lei Chen , Bingyao Yu , Zhanyu Ma

Parameter-efficient fine-tuning (PEFT) has emerged as a popular strategy for adapting large vision foundation models, such as the Segment Anything Model (SAM) and LLaVA, to downstream tasks like image forgery detection and localization…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Rongxuan Peng , Shunquan Tan , Chenqi Kong , Anwei Luo , Alex C. Kot , Jiwu Huang

The increasing availability of advanced image editing tools has led to a significant rise in manipulated digital content, posing serious challenges for digital forensics and information security. This study presents a transfer…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Fatma Betul Buyuk , Gozde Karatas Baydogmus , Ali Buldu , Ayaulym Tulendiyeva , Zhuldyz Baizhumanova

The field of Fake Image Detection and Localization (FIDL) is highly fragmented, encompassing four domains: deepfake detection (Deepfake), image manipulation detection and localization (IMDL), artificial intelligence-generated image…

Computer Vision and Pattern Recognition · Computer Science 2026-01-28 Bo Du , Xuekang Zhu , Xiaochen Ma , Chenfan Qu , Kaiwen Feng , Zhe Yang , Chi-Man Pun , Jian Liu , Ji-Zhe Zhou

In recent years, the rapid evolution of generative AI has fundamentally reshaped the paradigm of image forgery, breaking the traditional boundaries between document editing, natural image manipulation, DeepFake generation, and full-image…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 GuangJian Team

Fine-grained image classification involves identifying different subcategories of a class which possess very subtle discriminatory features. Fine-grained datasets usually provide bounding box annotations along with class labels to aid the…

Computer Vision and Pattern Recognition · Computer Science 2021-07-30 Farha Al Breiki , Muhammad Ridzuan , Rushali Grandhe

Due to limited computational and memory resources, current deep learning models accept only rather small images in input, calling for preliminary image resizing. This is not a problem for high-level vision problems, where discriminative…

Computer Vision and Pattern Recognition · Computer Science 2019-09-17 Francesco Marra , Diego Gragnaniello , Luisa Verdoliva , Giovanni Poggi

Novel category discovery aims at adapting models trained on known categories to novel categories. Previous works only focus on the scenario where known and novel categories are of the same granularity. In this paper, we investigate a new…

Computation and Language · Computer Science 2022-10-17 Wenbin An , Feng Tian , Ping Chen , Siliang Tang , Qinghua Zheng , QianYing Wang

Conventional forgery localizing methods usually rely on different forgery footprints such as JPEG artifacts, edge inconsistency, camera noise, etc., with cross-entropy loss to locate manipulated regions. However, these methods have the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-06 Fahim Faisal Niloy , Kishor Kumar Bhaumik , Simon S. Woo

The rapid advancement of face forgery techniques has introduced a growing variety of forgeries. Incremental Face Forgery Detection (IFFD), involving gradually adding new forgery data to fine-tune the previously trained model, has been…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Jikang Cheng , Zhiyuan Yan , Ying Zhang , Li Hao , Jiaxin Ai , Qin Zou , Chen Li , Zhongyuan Wang

Advances in image tampering techniques, particularly generative models, pose significant challenges to media verification, digital forensics, and public trust. Existing image forgery detection and localization (IFDL) methods suffer from two…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Zhou Liu , Tonghua Su , Hongshi Zhang , Fuxiang Yang , Donglin Di , Yang Song , Lei Fan

Image Forgery Localization (IFL) is a crucial task in image forensics, aimed at accurately identifying manipulated or tampered regions within an image at the pixel level. Existing methods typically generate a single deterministic…

Computer Vision and Pattern Recognition · Computer Science 2025-10-24 Zhou Lei , Pan Gang , Wang Jiahao , Sun Di

Image forgery detection is the task of detecting and localizing forged parts in tampered images. Previous works mostly focus on high resolution images using traces of resampling features, demosaicing features or sharpness of edges. However,…

Computer Vision and Pattern Recognition · Computer Science 2018-02-06 Zhongping Zhang , Yixuan Zhang , Zheng Zhou , Jiebo Luo

Facial forgery detection is a crucial but extremely challenging topic, with the fast development of forgery techniques making the synthetic artefact highly indistinguishable. Prior works show that by mining both spatial and frequency…

Computer Vision and Pattern Recognition · Computer Science 2023-02-22 Chuyang Zhou , Jiajun Huang , Daochang Liu , Chengbin Du , Siqi Ma , Surya Nepal , Chang Xu

The malicious use and widespread dissemination of deepfake pose a significant crisis of trust. Current deepfake detection models can generally recognize forgery images by training on a large dataset. However, the accuracy of detection…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Kun Pan , Yin Yifang , Yao Wei , Feng Lin , Zhongjie Ba , Zhenguang Liu , ZhiBo Wang , Lorenzo Cavallaro , Kui Ren

Few-shot fine-grained image classification (FS-FGIC) presents a significant challenge, requiring models to distinguish visually similar subclasses with limited labeled examples. Existing methods have critical limitations: metric-based…

Computer Vision and Pattern Recognition · Computer Science 2025-06-26 Ning Luo , Meiyin Hu , Huan Wan , Yanyan Yang , Zhuohang Jiang , Xin Wei

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 structure. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2016-11-18 Tiep H. Vu , Hojjat S. Mousavi , Vishal Monga , UK Arvind Rao , Ganesh Rao

The swift advancement in photo-realistic face generation technology has sparked considerable concerns across society and academia, emphasizing the requirement of generalizable face forgery detection and localization methods. Prior works…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Yaning Zhang , Tianyi Wang , Zan Gao , Yibo Zhao , Chunjie Ma , Meng Wang

The proliferation of AI-generated imagery and sophisticated editing tools has rendered traditional forensic methods ineffective for cross-domain forgery detection. We present ForensicFormer, a hierarchical multi-scale framework that unifies…

Computer Vision and Pattern Recognition · Computer Science 2026-01-15 Hema Hariharan Samson