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This paper proposes a novel fragile watermarking scheme for digital image authentication which is based on Singular Value Decomposition(SVD) and grouped blocks. The watermark bits which include two types of bits are inserted into the least…

Cryptography and Security · Computer Science 2015-02-12 Qingbo Kang , Ke Li , Hu Chen

The rapid evolution of digital image manipulation techniques poses significant challenges for content verification, with models such as stable diffusion and mid-journey producing highly realistic, yet synthetic, images that can deceive…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Alejandro Marco Montejano , Angela Sanchez Perez , Javier Barrachina , David Ortiz-Perez , Manuel Benavent-Lledo , Jose Garcia-Rodriguez

With benefits of fast query speed and low storage cost, hashing-based image retrieval approaches have garnered considerable attention from the research community. In this paper, we propose a novel Error-Corrected Deep Cross Modal Hashing…

Computer Vision and Pattern Recognition · Computer Science 2019-02-13 Veeru Talreja , Fariborz Taherkhani , Matthew C. Valenti , Nasser M. Nasrabadi

Image forgery localization aims to precisely identify tampered regions within images, but it commonly depends on costly pixel-level annotations. To alleviate this annotation burden, weakly supervised image forgery localization (WSIFL) has…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Ziqi Sheng , Junyan Wu , Wei Lu , Jiantao Zhou

We introduce Forensim, an attention-based state-space framework for image forgery detection that jointly localizes both manipulated (target) and source regions. Unlike traditional approaches that rely solely on artifact cues to detect…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Soumyaroop Nandi , Prem Natarajan

Current face or object detection methods via convolutional neural network (such as OverFeat, R-CNN and DenseNet) explicitly extract multi-scale features based on an image pyramid. However, such a strategy increases the computational burden…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Guanjun Guo , Hanzi Wang , Yan Yan , Jin Zheng , Bo Li

Copy detection patterns (CDP) are recent technologies for protecting products from counterfeiting. However, in contrast to traditional copy fakes, deep learning-based fakes have shown to be hardly distinguishable from originals by…

Computer Vision and Pattern Recognition · Computer Science 2022-10-03 Brian Pulfer , Yury Belousov , Joakim Tutt , Roman Chaban , Olga Taran , Taras Holotyak , Slava Voloshynovskiy

Advanced manipulation techniques have provided criminals with opportunities to make social panic or gain illicit profits through the generation of deceptive media, such as forged face images. In response, various deepfake detection methods…

Computer Vision and Pattern Recognition · Computer Science 2023-07-07 Ruiyang Xia , Decheng Liu , Jie Li , Lin Yuan , Nannan Wang , Xinbo Gao

Recently, significant progress has been made on image denoising with strong supervision from large-scale datasets. However, obtaining well-aligned noisy-clean training image pairs for each specific scenario is complicated and costly in…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Reyhaneh Neshatavar , Mohsen Yavartanoo , Sanghyun Son , Kyoung Mu Lee

The aim of re-identification is to match objects in surveillance cameras with different viewpoints. Although ReID is developing at a considerably rapid pace, there is currently no processing method for the ReID task in multiple scenarios.…

Computer Vision and Pattern Recognition · Computer Science 2021-08-12 Cheng Yang

Clouds in remote sensing images inevitably affect information extraction, which hinder the following analysis of satellite images. Hence, cloud detection is a necessary preprocessing procedure. However, the existing methods have numerous…

Computer Vision and Pattern Recognition · Computer Science 2025-02-06 Wenxuan Ge , Xubing Yang , Li Zhang

Recent generative models can produce images that appear highly realistic, raising challenges in distinguishing real and AI-generated images. Yet existing detectors based on pre-trained feature extractors tend to over-rely on global…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Boxuan Zhang , Jianing Zhu , Qifan Wang , Jiang Liu , Ruixiang Tang

Cross-Domain Few-Shot Segmentation (CD-FSS) aims to transfer knowledge from a source-domain dataset to unseen target-domain datasets with limited annotations. Current methods typically compare the distance between training and testing…

Computer Vision and Pattern Recognition · Computer Science 2025-06-04 Jintao Tong , Yixiong Zou , Guangyao Chen , Yuhua Li , Ruixuan Li

Supervised object detection methods provide subpar performance when applied to Foreign Object Debris (FOD) detection because FOD could be arbitrary objects according to the Federal Aviation Administration (FAA) specification. Current…

Computer Vision and Pattern Recognition · Computer Science 2022-11-01 Travis Munyer , Daniel Brinkman , Xin Zhong , Chenyu Huang , Iason Konstantzos

We consider online change detection of high dimensional data streams with sparse changes, where only a subset of data streams can be observed at each sensing time point due to limited sensing capacities. On the one hand, the detection…

Machine Learning · Statistics 2020-09-23 Jie Guo , Hao Yan , Chen Zhang , Steven Hoi

We present a new 3D point-based detector model, named Shift-SSD, for precise 3D object detection in autonomous driving. Traditional point-based 3D object detectors often employ architectures that rely on a progressive downsampling of…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Zhili Chen , Kien T. Pham , Maosheng Ye , Zhiqiang Shen , Qifeng Chen

Semi-supervised change detection (SSCD) utilizes partially labeled data and a large amount of unlabeled data to detect changes. However, the transformer-based SSCD network does not perform as well as the convolution-based SSCD network due…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Yan Xing , Qi'ao Xu , Jingcheng Zeng , Rui Huang , Sihua Gao , Weifeng Xu , Yuxiang Zhang , Wei Fan

Singular value decomposition (SVD) is a widely used technique for dimensionality reduction and computation of basis vectors. In many applications, especially in fluid mechanics and image processing the matrices are dense, but low-rank…

Numerical Analysis · Computer Science 2019-05-13 Vinita Vasudevan , M. Ramakrishna

This paper proposes an explainable visualisation of different face feature extraction algorithms that enable the detection of bona fide and morphing images for single morphing attack detection. The feature extraction is based on raw image,…

Computer Vision and Pattern Recognition · Computer Science 2023-04-26 Juan Tapia , Christoph Busch

3D object detection is one of the most important tasks in autonomous driving and robotics. Our research focuses on tackling low efficiency issue of point-based methods on large-scale point clouds. Existing point-based methods adopt farthest…

Computer Vision and Pattern Recognition · Computer Science 2023-04-03 Hu Haotian , Wang Fanyi , Su Jingwen , Gao Shiyu , Zhang Zhiwang