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Face manipulation techniques develop rapidly and arouse widespread public concerns. Despite that vanilla convolutional neural networks achieve acceptable performance, they suffer from the overfitting issue. To relieve this issue, there is a…

计算机视觉与模式识别 · 计算机科学 2022-06-07 Yunsheng Ni , Depu Meng , Changqian Yu , Chengbin Quan , Dongchun Ren , Youjian Zhao

Image compression is one of the most fundamental techniques and commonly used applications in the image and video processing field. Earlier methods built a well-designed pipeline, and efforts were made to improve all modules of the pipeline…

图像与视频处理 · 电气工程与系统科学 2021-03-29 Yueyu Hu , Wenhan Yang , Zhan Ma , Jiaying Liu

An important goal in deep learning is to learn versatile, high-level feature representations of input data. However, standard networks' representations seem to possess shortcomings that, as we illustrate, prevent them from fully realizing…

Visual Language Models (VLMs) are vulnerable to adversarial attacks, especially those from adversarial images, which is however under-explored in literature. To facilitate research on this critical safety problem, we first construct a new…

计算机视觉与模式识别 · 计算机科学 2024-10-31 Youcheng Huang , Fengbin Zhu , Jingkun Tang , Pan Zhou , Wenqiang Lei , Jiancheng Lv , Tat-Seng Chua

In this paper, a robust classification-autoencoder (CAE) is proposed, which has strong ability to recognize outliers and defend adversaries. The main idea is to change the autoencoder from an unsupervised learning model into a classifier,…

机器学习 · 计算机科学 2022-06-08 Lijia Yu , Xiao-Shan Gao

Fine-tuning pre-trained Vision-Language Models (VLMs) has shown remarkable capabilities in medical image and textual depiction synergy. Nevertheless, many pre-training datasets are restricted by patient privacy concerns, potentially…

计算机视觉与模式识别 · 计算机科学 2025-01-09 Xu Han , Linghao Jin , Xuezhe Ma , Xiaofeng Liu

To tackle the susceptibility of deep neural networks to adversarial examples, the adversarial training has been proposed which provides a notion of security through an inner maximization problem presenting the first-order adversaries…

机器学习 · 计算机科学 2025-03-27 Hao Cheng , Kaidi Xu , Chenan Wang , Bhavya Kailkhura , Xue Lin , Ryan Goldhahn

The advent of parameter-efficient fine-tuning methods has significantly reduced the computational burden of adapting large-scale pretrained models to diverse downstream tasks. However, existing approaches often struggle to achieve robust…

计算机视觉与模式识别 · 计算机科学 2025-06-17 Haotian Zhang , Liu Liu , Baosheng Yu , Jiayan Qiu , Yanwei Ren , Xianglong Liu

Traditional per-title encoding schemes aim to optimize encoding resolutions to deliver the highest perceptual quality for each representation. However, keeping the encoding time within an acceptable threshold for a smooth user experience is…

Large Vision-Language Models (LVLMs), trained on multimodal big datasets, have significantly advanced AI by excelling in vision-language tasks. However, these models remain vulnerable to adversarial attacks, particularly jailbreak attacks,…

计算机视觉与模式识别 · 计算机科学 2024-09-12 Md Zarif Hossain , Ahmed Imteaj

CLIP delivers strong zero-shot classification but remains highly vulnerable to adversarial attacks. Previous work of adversarial fine-tuning largely focuses on matching the predicted logits between clean and adversarial examples, which…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Wenjing lu , Zerui Tao , Dongping Zhang , Yuning Qiu , Yang Yang , Qibin Zhao

Text watermarking schemes have gained considerable attention in recent years, yet still face critical challenges in achieving simultaneous robustness, generalizability, and imperceptibility. This paper introduces a new embedding…

计算机视觉与模式识别 · 计算机科学 2025-09-09 Jiale Meng , Yiming Li , Zheming Lu , Zewei He , Hao Luo , Tianwei Zhang

Adversarial robustness corresponds to the susceptibility of deep neural networks to imperceptible perturbations made at test time. In the context of image tasks, many algorithms have been proposed to make neural networks robust to…

计算机视觉与模式识别 · 计算机科学 2020-12-03 Pranjal Awasthi , George Yu , Chun-Sung Ferng , Andrew Tomkins , Da-Cheng Juan

Multiview network embedding aims at projecting nodes in the network to low-dimensional vectors, while preserving their multiple relations and attribute information. Contrastive learning approaches have shown promising performance in this…

机器学习 · 计算机科学 2022-08-18 Mengqi Zhang , Yanqiao Zhu , Qiang Liu , Shu Wu , Liang Wang

Near isometric orthogonal embeddings to lower dimensions are a fundamental tool in data science and machine learning. In this paper, we present the construction of such embeddings that minimizes the maximum distortion for a given set of…

机器学习 · 统计学 2017-12-15 Kshiteej Sheth , Dinesh Garg , Anirban Dasgupta

Low-Light Image Enhancement (LLIE) is crucial for improving both human perception and computer vision tasks. This paper addresses two challenges in zero-reference LLIE: obtaining perceptually 'good' images using the Contrastive…

计算机视觉与模式识别 · 计算机科学 2025-07-09 Yuka Ogino , Takahiro Toizumi , Atsushi Ito

Large vision models have been found vulnerable to adversarial examples, emphasizing the need for enhancing their adversarial robustness. While adversarial training is an effective defense for deep convolutional models, it often faces…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Kangtao Lv , Huangsen Cao , Kainan Tu , Yihuai Xu , Zhimeng Zhang , Xin Ding , Yongwei Wang

Low-light image enhancement (LLIE) aims to improve low-illumination images. However, existing methods face two challenges: (1) uncertainty in restoration from diverse brightness degradations; (2) loss of texture and color information caused…

计算机视觉与模式识别 · 计算机科学 2025-06-04 Xu Wu , XianXu Hou , Zhihui Lai , Jie Zhou , Ya-nan Zhang , Witold Pedrycz , Linlin Shen

Many problems, such as online ad display, can be formulated as online bipartite matching. The crucial challenge lies in the nature of sequentially-revealed online item information, based on which we make irreversible matching decisions at…

机器学习 · 计算机科学 2023-06-02 Pengfei Li , Jianyi Yang , Shaolei Ren

This study investigates imposing hard inequality constraints on the outputs of convolutional neural networks (CNN) during training. Several recent works showed that the theoretical and practical advantages of Lagrangian optimization over…

计算机视觉与模式识别 · 计算机科学 2023-08-31 Hoel Kervadec , Jose Dolz , Jing Yuan , Christian Desrosiers , Eric Granger , Ismail Ben Ayed