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Synthetic Aperture Radar (SAR) images are inherently corrupted by speckle noise, limiting their utility in high-precision applications. While deep learning methods have shown promise in SAR despeckling, most methods employ a single unified…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Ziqing Ma , Chang Yang , Zhichang Guo , Yao Li

The performance of existing audio deepfake detection frameworks degrades when confronted with new deepfake attacks. Rehearsal-based continual learning (CL), which updates models using a limited set of old data samples, helps preserve prior…

Multimodal deepfake detection (MDD) aims to uncover manipulations across visual, textual, and auditory modalities, thereby reinforcing the reliability of modern information systems. Although large vision-language models (LVLMs) exhibit…

计算机视觉与模式识别 · 计算机科学 2025-09-29 Yuxin Liu , Fei Wang , Kun Li , Yiqi Nie , Junjie Chen , Yanyan Wei , Zhangling Duan , Zhaohong Jia

Multi-spectral object re-identification (ReID) brings a new perception perspective for smart city and intelligent transportation applications, effectively addressing challenges from complex illumination and adverse weather. However, complex…

计算机视觉与模式识别 · 计算机科学 2025-05-26 Shihao Li , Chenglong Li , Aihua Zheng , Jin Tang , Bin Luo

A major challenge in DeepFake forgery detection is that state-of-the-art algorithms are mostly trained to detect a specific fake method. As a result, these approaches show poor generalization across different types of facial manipulations,…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Davide Cozzolino , Andreas Rössler , Justus Thies , Matthias Nießner , Luisa Verdoliva

An evolving solution to address hallucination and enhance accuracy in large language models (LLMs) is Retrieval-Augmented Generation (RAG), which involves augmenting LLMs with information retrieved from an external knowledge source, such as…

计算与语言 · 计算机科学 2024-12-23 Derrick Quinn , Mohammad Nouri , Neel Patel , John Salihu , Alireza Salemi , Sukhan Lee , Hamed Zamani , Mohammad Alian

The advent of Generative Adversarial Networks (GANs) has brought about completely novel ways of transforming and manipulating pixels in digital images. GAN based techniques such as Image-to-Image translations, DeepFakes, and other automated…

Visible-Infrared Person Re-Identification (VI-ReID) plays a critical role in all-day surveillance systems. However, existing methods primarily focus on learning appearance features while overlooking body shape features, which not only…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Shuang Li , Jiaxu Leng , Ji Gan , Mengjingcheng Mo , Xinbo Gao

Various deepfake detectors have been proposed, but challenges still exist to detect images of unknown categories or GAN models outside of the training settings. Such issues arise from the overfitting issue, which we discover from our own…

计算机视觉与模式识别 · 计算机科学 2022-02-08 Yonghyun Jeong , Doyeon Kim , Youngmin Ro , Jongwon Choi

Visible-Infrared person re-identification (VI-ReID) is a challenging matching problem due to large modality varitions between visible and infrared images. Existing approaches usually bridge the modality gap with only feature-level…

计算机视觉与模式识别 · 计算机科学 2021-02-25 Haojie Liu , Shun Ma , Daoxun Xia , Shaozi Li

Deepfake detectors are typically trained on large sets of pristine and generated images, resulting in limited generalization capacity; they excel at identifying deepfakes created through methods encountered during training but struggle with…

计算机视觉与模式识别 · 计算机科学 2024-03-21 Davide Alessandro Coccomini , Roberto Caldelli , Claudio Gennaro , Giuseppe Fiameni , Giuseppe Amato , Fabrizio Falchi

Change detection is one of the fundamental applications of synthetic aperture radar (SAR) images. However, speckle noise presented in SAR images has a much negative effect on change detection. In this research, a novel two-phase…

计算机视觉与模式识别 · 计算机科学 2020-01-20 Xinzheng Zhang , Guo Liu , Ce Zhang , Peter M Atkinson , Xiaoheng Tan , Xin Jian , Xichuan Zhou , Yongming Li

Although deep learning greatly improves the performance of semantic segmentation, its success mainly lies in object central areas without accurate edges. As superpixels are a popular and effective auxiliary to preserve object edges, in this…

计算机视觉与模式识别 · 计算机科学 2020-11-25 Zhiwei Xu , Thalaiyasingam Ajanthan , Richard Hartley

One key bottleneck of employing state-of-the-art semantic segmentation networks in the real world is the availability of training labels. Conventional semantic segmentation networks require massive pixel-wise annotated labels to reach…

计算机视觉与模式识别 · 计算机科学 2023-09-21 Erik Ostrowski , Muhammad Shafique

Synthetic Aperture Radar (SAR) imagery enables all-weather, day-and-night Earth observation; however, it remains difficult to interpret due to speckle noise and other intrinsic imaging artifacts. Sentinel-1 (S1) constitutes one of the most…

计算机视觉与模式识别 · 计算机科学 2026-05-29 Juan Francisco Amieva , Christian Ayala , Roberto Del Prete , Mikel Galar

Large Language Models (LLMs) are pre-trained on large-scale corpora and excel in numerous general natural language processing (NLP) tasks, such as question answering (QA). Despite their advanced language capabilities, when it comes to…

As the ecosystem of Large Language Model (LLM)-based agents expands rapidly, efficient and accurate Agent Discovery becomes a critical bottleneck for large-scale multi-agent collaboration. Existing approaches typically face a dichotomy:…

人工智能 · 计算机科学 2026-05-07 Jinliang Xu

The rapid advances in deep generative models over the past years have led to highly {realistic media, known as deepfakes,} that are commonly indistinguishable from real to human eyes. These advances make assessing the authenticity of visual…

计算机视觉与模式识别 · 计算机科学 2021-06-01 Yang He , Ning Yu , Margret Keuper , Mario Fritz

Watermarking embeds imperceptible patterns into images for authenticity verification. However, existing methods often lack robustness against various transformations primarily including distortions, image regeneration, and adversarial…

计算机视觉与模式识别 · 计算机科学 2025-10-09 Inzamamul Alam , Md Tanvir Islam , Khan Muhammad , Simon S. Woo

Object detection in streaming images is a major step in different detection-based applications, such as object tracking, action recognition, robot navigation, and visual surveillance applications. In mostcases, image quality is noisy and…

计算机视觉与模式识别 · 计算机科学 2018-10-25 Dong Kyun Shin , Minhaz Uddin Ahmed , Phill Kyu Rhee