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Neural document rerankers are extremely effective in terms of accuracy. However, the best models require dedicated hardware for serving, which is costly and often not feasible. To avoid this serving-time requirement, we present a method of…

计算与语言 · 计算机科学 2023-10-24 Livio Baldini Soares , Daniel Gillick , Jeremy R. Cole , Tom Kwiatkowski

As artificial intelligence advances rapidly, particularly with the advent of GANs and diffusion models, the accuracy of Image Inpainting Localization (IIL) has become increasingly challenging. Current IIL methods face two main challenges: a…

计算机视觉与模式识别 · 计算机科学 2025-01-07 Kai Wang , Shaozhang Niu , Qixian Hao , Jiwei Zhang

Data augmentations are widely used in training medical image deep learning models to increase the diversity and size of sparse datasets. However, commonly used augmentation techniques can result in loss of clinically relevant information…

图像与视频处理 · 电气工程与系统科学 2024-04-18 Adrit Rao , Andrea Fisher , Ken Chang , John Christopher Panagides , Katherine McNamara , Joon-Young Lee , Oliver Aalami

Recent algorithms for image manipulation detection almost exclusively use deep network models. These approaches require either dense pixelwise groundtruth masks, camera ids, or image metadata to train the networks. On one hand, constructing…

计算机视觉与模式识别 · 计算机科学 2022-03-16 Susmit Agrawal , Prabhat Kumar , Siddharth Seth , Toufiq Parag , Maneesh Singh , Venkatesh Babu

Retrieval augmented generation (RAG) combines the generative abilities of large language models (LLMs) with external knowledge sources to provide more accurate and up-to-date responses. Recent RAG advancements focus on improving retrieval…

Adversarial attacks of deep neural networks have been intensively studied on image, audio, natural language, patch, and pixel classification tasks. Nevertheless, as a typical, while important real-world application, the adversarial attacks…

计算机视觉与模式识别 · 计算机科学 2020-07-23 Qing Guo , Xiaofei Xie , Felix Juefei-Xu , Lei Ma , Zhongguo Li , Wanli Xue , Wei Feng , Yang Liu

Identifying anomalous instances in tabular data is essential for improving data reliability and maintaining system stability. Due to the scarcity of ground-truth anomaly labels, existing methods mainly rely on unsupervised anomaly detection…

人工智能 · 计算机科学 2026-04-21 Wei Huang , Yuxuan Xiong , Hezhe Qiao , Yu-Ming Shang , Xiangling Fu , Guansong Pang

Incremental learning is a machine learning approach that involves training a model on a sequence of tasks, rather than all tasks at once. This ability to learn incrementally from a stream of tasks is crucial for many real-world…

机器学习 · 计算机科学 2024-02-21 Junwei Su , Difan Zou , Zijun Zhang , Chuan Wu

Recently, Retrieval-Augmented Generation (RAG) has achieved remarkable success in addressing the challenges of Large Language Models (LLMs) without necessitating retraining. By referencing an external knowledge base, RAG refines LLM…

人工智能 · 计算机科学 2024-09-11 Boci Peng , Yun Zhu , Yongchao Liu , Xiaohe Bo , Haizhou Shi , Chuntao Hong , Yan Zhang , Siliang Tang

Existing approaches to Implicit Neural Representation (INR) can be interpreted as a global scene representation via a linear combination of Fourier bases of different frequencies. However, such universal basis functions can limit the…

计算机视觉与模式识别 · 计算机科学 2023-12-29 Jason Chun Lok Li , Chang Liu , Binxiao Huang , Ngai Wong

Hyperspectral imaging provides detailed information about the scanned objects, as it captures their spectral characteristics within a large number of wavelength bands. Classification of such data has become an active research topic due to…

计算机视觉与模式识别 · 计算机科学 2019-07-30 Jakub Nalepa , Lukasz Tulczyjew , Michal Myller , Michal Kawulok

In today's connected world, the generation of massive streaming data across diverse domains has become commonplace. In the presence of concept drift, class imbalance, label scarcity, and new class emergence, they jointly degrade…

机器学习 · 计算机科学 2026-02-11 Jin Li , Kleanthis Malialis , Marios Polycarpou

The increasing realism of content generated by GANs and diffusion models has made deepfake detection significantly more challenging. Existing approaches often focus solely on spatial or frequency-domain features, limiting their…

计算机视觉与模式识别 · 计算机科学 2025-09-29 Inzamamul Alam , Md Tanvir Islam , Simon S. Woo

Retrieval-Augmented Generation (RAG) systems depend on the geometric properties of vector representations to retrieve contextually appropriate evidence. When source documents interleave multiple topics within contiguous text, standard…

人工智能 · 计算机科学 2026-04-21 Nick Loghmani

Class incremental learning (CIL) aims to enable models to continuously learn new classes without catastrophically forgetting old ones. A promising direction is to learn and use prototypes of classes during incremental updates. Despite…

机器学习 · 计算机科学 2025-03-25 Huitong Chen , Yu Wang , Yan Fan , Guosong Jiang , Qinghua Hu

Graph incremental learning (GIL), which continuously updates graph models by sequential knowledge acquisition, has garnered significant interest recently. However, existing GIL approaches focus on task-incremental and class-incremental…

机器学习 · 计算机科学 2026-03-11 Zihao Guo , Qingyun Sun , Ziwei Zhang , Haonan Yuan , Huiping Zhuang , Xingcheng Fu , Jianxin Li

Camouflaged object detection (COD) poses a significant challenge in computer vision due to the high similarity between objects and their backgrounds. Existing approaches often rely on heavy training and large computational resources. While…

计算机视觉与模式识别 · 计算机科学 2025-09-16 Wutao Liu , YiDan Wang , Pan Gao

GAN-generated image detection now becomes the first line of defense against the malicious uses of machine-synthesized image manipulations such as deepfakes. Although some existing detectors work well in detecting clean, known GAN samples,…

密码学与安全 · 计算机科学 2024-01-08 Chi Liu , Tianqing Zhu , Sheng Shen , Wanlei Zhou

Segment anything model (SAM) has shown impressive general-purpose segmentation performance on natural images, but its performance on camouflaged object detection (COD) is unsatisfactory. In this paper, we propose SAM-COD that performs…

计算机视觉与模式识别 · 计算机科学 2025-03-31 Jiaming Liu , Linghe Kong , Guihai Chen

Biphasic face photo-sketch synthesis has significant practical value in wide-ranging fields such as digital entertainment and law enforcement. Previous approaches directly generate the photo-sketch in a global view, they always suffer from…

计算机视觉与模式识别 · 计算机科学 2023-12-05 Xingqun Qi , Muyi Sun , Zijian Wang , Jiaming Liu , Qi Li , Fang Zhao , Shanghang Zhang , Caifeng Shan