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Existing Weakly-Supervised Change Detection (WSCD) methods often encounter the problem of "instance lumping" under scene-level supervision, particularly in scenarios with a dense distribution of changed instances (i.e., changed objects). In…

Computer Vision and Pattern Recognition · Computer Science 2025-01-13 Zhenghui Zhao , Chen Wu , Lixiang Ru , Di Wang , Hongruixuan Chen , Cuiqun Chen

Image copy detection (ICD) aims to determine whether a query image is an edited copy of any image from a reference set. Currently, there are very limited public benchmarks for ICD, while all overlook a critical challenge in real-world…

Computer Vision and Pattern Recognition · Computer Science 2022-12-05 Wenhao Wang , Yifan Sun , Yi Yang

Person re-identification (Re-ID) aims to match the image frames which contain the same person in the surveillance videos. Most of the Re-ID algorithms conduct supervised training in some small labeled datasets, so directly deploying these…

Computer Vision and Pattern Recognition · Computer Science 2018-06-25 Jianming Lv , Xintong Wang

Computer-assisted surgery (CAS) systems are designed to assist surgeons during procedures, thereby reducing complications and enhancing patient care. Training machine learning models for these systems requires a large corpus of annotated…

Computer Vision and Pattern Recognition · Computer Science 2024-10-14 Danush Kumar Venkatesh , Dominik Rivoir , Micha Pfeiffer , Stefanie Speidel

With the widespread application of remote sensing technology in environmental monitoring, the demand for efficient and accurate remote sensing image change detection (CD) for natural environments is growing. We propose a novel deep learning…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Sijun Dong , Yuwei Zhu , Geng Chen , Xiaoliang Meng

Person re-identification aims at the maintenance of a global identity as a person moves among non-overlapping surveillance cameras. It is a hard task due to different illumination conditions, viewpoints and the small number of annotated…

Computer Vision and Pattern Recognition · Computer Science 2016-11-22 Raphael Prates , William Robson Schwartz

In this paper, we investigate algorithms for anomaly detection. Previous anomaly detection methods focus on modeling the distribution of non-anomalous data provided during training. However, this does not necessarily ensure the correct…

Machine Learning · Computer Science 2020-05-29 Ziyi Yang , Iman Soltani Bozchalooi , Eric Darve

Last-generation GAN models allow to generate synthetic images which are visually indistinguishable from natural ones, raising the need to develop tools to distinguish fake and natural images thus contributing to preserve the trustworthiness…

Computer Vision and Pattern Recognition · Computer Science 2020-10-05 Mauro Barni , Kassem Kallas , Ehsan Nowroozi , Benedetta Tondi

We propose a quickest change detection problem over sensor networks where both the subset of sensors undergoing a change and the local post-change distributions are unknown. Each sensor in the network observes a local discrete time random…

Signal Processing · Electrical Eng. & Systems 2021-02-11 Deniz Sargun , C. Emre Koksal

Remote sensing change detection (CD) is a pivotal technique that pinpoints changes on a global scale based on multi-temporal images. With the recent expansion of deep learning, supervised deep learning-based CD models have shown…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Kai Tang , Jin Chen

Resampling detection plays an important role in identifying image tampering, such as image splicing. Currently, the resampling detection is still difficult in recompressed images, which are yielded by applying resampling followed by…

Computer Vision and Pattern Recognition · Computer Science 2019-05-13 Gang Cao , Antao Zhou , Xianglin Huang , Gege Song , Lifang Yang , Yonggui Zhu

High content imaging assays can capture rich phenotypic response data for large sets of compound treatments, aiding in the characterization and discovery of novel drugs. However, extracting representative features from high content images…

Computer Vision and Pattern Recognition · Computer Science 2023-06-13 Johan Fredin Haslum , Christos Matsoukas , Karl-Johan Leuchowius , Erik Müllers , Kevin Smith

Getting rid of the fundamental limitations in fitting to the paired training data, recent unsupervised low-light enhancement methods excel in adjusting illumination and contrast of images. However, for unsupervised low light enhancement,…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Zhangkai Ni , Wenhan Yang , Hanli Wang , Shiqi Wang , Lin Ma , Sam Kwong

Change detection is one of the most challenging issues when analyzing remotely sensed images. Comparing several multi-date images acquired through the same kind of sensor is the most common scenario. Conversely, designing robust, flexible…

Computer Vision and Pattern Recognition · Computer Science 2016-09-21 Vinicius Ferraris , Nicolas Dobigeon , Qi Wei , Marie Chabert

General change detection (GCD) and semantic change detection (SCD) are common methods for identifying changes and distinguishing object categories involved in those changes, respectively. However, the binary changes provided by GCD is often…

Computer Vision and Pattern Recognition · Computer Science 2023-03-09 Yuqun Yang , Xu Tang , Xiangrong Zhang , Jingjing Ma , Licheng Jiao

In the last decade, the rapid development of deep learning (DL) has made it possible to perform automatic, accurate, and robust Change Detection (CD) on large volumes of Remote Sensing Images (RSIs). However, despite advances in CD methods,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-06 Lei Ding , Danfeng Hong , Maofan Zhao , Hongruixuan Chen , Chenyu Li , Jie Deng , Naoto Yokoya , Lorenzo Bruzzone , Jocelyn Chanussot

In this paper, a new semi-supervised deep multiple-input multiple-output (MIMO) detection approach using a cycle-consistent generative adversarial network (CycleGAN) is proposed for communication systems without any prior knowledge of…

Signal Processing · Electrical Eng. & Systems 2023-04-24 Hongzhi Zhu , Yongliang Guo , Wei Xu , Xiaohu You

We present a novel method for image anomaly detection, where algorithms that use samples drawn from some distribution of "normal" data, aim to detect out-of-distribution (abnormal) samples. Our approach includes a combination of encoder and…

Image and Video Processing · Electrical Eng. & Systems 2020-03-02 Nina Tuluptceva , Bart Bakker , Irina Fedulova , Anton Konushin

This paper reports on WaterGAN, a generative adversarial network (GAN) for generating realistic underwater images from in-air image and depth pairings in an unsupervised pipeline used for color correction of monocular underwater images.…

Computer Vision and Pattern Recognition · Computer Science 2017-10-27 Jie Li , Katherine A. Skinner , Ryan M. Eustice , Matthew Johnson-Roberson

Parkinson's Disease (PD) affects millions globally, impacting movement. Prior research utilized deep learning for PD prediction, primarily focusing on medical images, neglecting the data's underlying manifold structure. This work proposes a…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Jun-En Ding , Chien-Chin Hsu , Feng Liu