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The sensitivity of deep neural networks to compressed images hinders their usage in many real applications, which means classification networks may fail just after taking a screenshot and saving it as a compressed file. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2023-04-24 Li Ma , Peixi Peng , Guangyao Chen , Yifan Zhao , Siwei Dong , Yonghong Tian

Diffusion transformers (DiT) have demonstrated exceptional performance in video generation. However, their large number of parameters and high computational complexity limit their deployment on edge devices. Quantization can reduce storage…

计算机视觉与模式识别 · 计算机科学 2025-05-29 Weilun Feng , Chuanguang Yang , Haotong Qin , Xiangqi Li , Yu Wang , Zhulin An , Libo Huang , Boyu Diao , Zixiang Zhao , Yongjun Xu , Michele Magno

Advancements in diffusion models have enabled effortless image editing via text prompts, raising concerns about image security. Attackers with access to user images can exploit these tools for malicious edits. Recent defenses attempt to…

计算机视觉与模式识别 · 计算机科学 2025-08-04 Aniruddha Bala , Rohit Chowdhury , Rohan Jaiswal , Siddharth Roheda

Adversarial noise attacks present a significant threat to quantum machine learning (QML) models, similar to their classical counterparts. This is especially true in the current Noisy Intermediate-Scale Quantum era, where noise is…

量子物理 · 物理学 2024-07-19 Yanling Lin , Ji Guan , Wang Fang , Mingsheng Ying , Zhaofeng Su

Detecting AI-generated images, particularly deepfakes, has become increasingly crucial, with the primary challenge being the generalization to previously unseen manipulation methods. This paper tackles this issue by leveraging the forgery…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Wentang Song , Zhiyuan Yan , Yuzhen Lin , Taiping Yao , Changsheng Chen , Shen Chen , Yandan Zhao , Shouhong Ding , Bin Li

Portable Document Format (PDF) files are dominantly used for storing and disseminating scientific research, legal documents, and tax information. LaTeX is a popular application for creating PDF documents. Despite its advantages, LaTeX is…

计算机视觉与模式识别 · 计算机科学 2025-02-17 Nan Jiang , Shanchao Liang , Chengxiao Wang , Jiannan Wang , Lin Tan

In this study, we reveal that the interaction between haze degradation and JPEG compression introduces complex joint loss effects, which significantly complicate image restoration. Existing dehazing models often neglect compression effects,…

图像与视频处理 · 电气工程与系统科学 2025-01-23 Ruicheng Zhang , Kanghui Tian , Zeyu Zhang , Qixiang Liu , Zhi Jin

Considerable research attention has been paid to table detection by developing not only rule-based approaches reliant on hand-crafted heuristics but also deep learning approaches. Although recent studies successfully perform table detection…

机器学习 · 计算机科学 2022-11-15 Hyebin Kwon , Joungbin An , Dongwoo Lee , Won-Yong Shin

Diffusion models have gradually gained prominence in the field of image synthesis, showcasing remarkable generative capabilities. Nevertheless, the slow inference and complex networks, resulting from redundancy at both temporal and…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Xuewen Liu , Zhikai Li , Qingyi Gu

JPEG images can be further compressed to enhance the storage and transmission of large-scale image datasets. Existing learned lossless compressors for RGB images cannot be well transferred to JPEG images due to the distinguishing…

图像与视频处理 · 电气工程与系统科学 2023-03-09 Jixiang Luo , Shaohui Li , Wenrui Dai , Chenglin Li , Junni Zou , Hongkai Xiong

The growing scale of large language models (LLMs) not only demands extensive computational resources but also raises environmental concerns due to their increasing carbon footprint. Model quantization emerges as an effective approach that…

软件工程 · 计算机科学 2025-07-15 Saima Afrin , Bowen Xu , Antonio Mastropaolo

Generalist robot policies trained on large-scale, visually homogeneous datasets can be susceptible to shortcut learning, which impairs their out-of-distribution (OOD) generalization. While generative data augmentation is a common approach…

机器人学 · 计算机科学 2025-09-30 Zizhao Tong , Di Chen , Sicheng Hu , Hongwei Fan , Liliang Chen , Guanghui Ren , Hao Tang , Hao Dong , Ling Shao

With the rapid advancements in digital imaging systems and networking, low-cost hand-held image capture devices equipped with network connectivity are becoming ubiquitous. This ease of digital image capture and sharing is also accompanied…

多媒体 · 计算机科学 2019-06-20 Vinay Verma , Nikita Agarwal , Nitin Khanna

Lossy image compression is generally formulated as a joint rate-distortion optimization to learn encoder, quantizer, and decoder. However, the quantizer is non-differentiable, and discrete entropy estimation usually is required for rate…

计算机视觉与模式识别 · 计算机科学 2017-09-20 Mu Li , Wangmeng Zuo , Shuhang Gu , Debin Zhao , David Zhang

Quantizing neural networks to low-bitwidth is important for model deployment on resource-limited edge hardware. Although a quantized network has a smaller model size and memory footprint, it is fragile to adversarial attacks. However, few…

机器学习 · 计算机科学 2022-10-18 Chaofan Tao , Ngai Wong

JPEG is arguably the most popular image coding format, achieving high compression ratios via lossy quantization that may create visual artifacts degradation. Numerous attempts to remove these artifacts were conceived over the years, and…

图像与视频处理 · 电气工程与系统科学 2023-09-01 Sean Man , Guy Ohayon , Theo Adrai , Michael Elad

Document image quality assessment (DIQA) is an important component for various applications, including optical character recognition (OCR), document restoration, and the evaluation of document image processing systems. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Zhichao Ma , Fan Huang , Lu Zhao , Fengjun Guo , Guangtao Zhai , Xiongkuo Min

To obtain lower inference latency and less memory footprint of deep neural networks, model quantization has been widely employed in deep model deployment, by converting the floating points to low-precision integers. However, previous…

计算机视觉与模式识别 · 计算机科学 2022-12-20 Yangcheng Gao , Zhao Zhang , Richang Hong , Haijun Zhang , Jicong Fan , Shuicheng Yan

Supervised Fine-Tuning (SFT) accelerates taskspecific large language models (LLMs) development, but the resulting proliferation of finetuned models incurs substantial memory overhead. Delta compression addresses this by retaining a single…

机器学习 · 计算机科学 2026-04-21 Junlin Li , Shuangyong Song , Guodong Du , Ngai Wong , Xuebo Liu , Yongxiang Li , Min Zhang , Jing Li , Xuelong Li

Most existing image tokenizers encode images into a fixed number of tokens or patches, overlooking the inherent variability in image complexity. To address this, we introduce Content-Adaptive Tokenizer (CAT), which dynamically adjusts…

计算机视觉与模式识别 · 计算机科学 2025-01-07 Junhong Shen , Kushal Tirumala , Michihiro Yasunaga , Ishan Misra , Luke Zettlemoyer , Lili Yu , Chunting Zhou