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Visual language modeling for automated driving is emerging as a promising research direction with substantial improvements in multimodal reasoning capabilities. Despite its advanced reasoning abilities, VLM-AD remains vulnerable to serious…

Computer Vision and Pattern Recognition · Computer Science 2025-09-25 Dehong Kong , Sifan Yu , Siyuan Liang , Jiawei Liang , Jianhou Gan , Aishan Liu , Wenqi Ren

Recently, pre-trained encoders have gained widespread use due to their strong capability in representation extraction. However, they are vulnerable to downstream-agnostic attacks (DAAs). Existing DAA methods operate under a permissive…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Zhuxin Lei , Ziyuan Yang , Yi Zhang

The Variational Autoencoder (VAE) is known to suffer from the phenomenon of \textit{posterior collapse}, where the latent representations generated by the model become independent of the inputs. This leads to degenerated representations of…

Machine Learning · Computer Science 2023-09-12 Fotios Lygerakis , Elmar Rueckert

We show that posterior collapse in $\beta$-VAEs implements automatic spectral pruning. A latent mode collapses if its contribution to reconstruction is below the cutoff set by $\beta$. Equilibrium solutions with different $\beta$ thus…

Machine Learning · Computer Science 2026-05-22 Johannes Hirn

This study applied representation learning algorithms to satellite images and evaluated the learned latent spaces with classifications of various weather events. The algorithms investigated include the classical linear transformation, i.e.,…

Computer Vision and Pattern Recognition · Computer Science 2025-08-11 Ting-Shuo Yo , Shih-Hao Su , Chien-Ming Wu , Wei-Ting Chen , Jung-Lien Chu , Chiao-Wei Chang , Hung-Chi Kuo

Nowadays, digital facial content manipulation has become ubiquitous and realistic with the success of generative adversarial networks (GANs), making face recognition (FR) systems suffer from unprecedented security concerns. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Run Wang , Felix Juefei-Xu , Qing Guo , Yihao Huang , Xiaofei Xie , Lei Ma , Yang Liu

The versatility of diffusion models in generating customized images from few samples raises significant privacy concerns, particularly regarding unauthorized modifications of private content. This concerning issue has renewed the efforts in…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Xide Xu , Sandesh Kamath , Muhammad Atif Butt , Bogdan Raducanu

Limited-Angle Computed Tomography (LACT) is a non-destructive evaluation technique used in a variety of applications ranging from security to medicine. The limited angle coverage in LACT is often a dominant source of severe artifacts in the…

Image and Video Processing · Electrical Eng. & Systems 2022-11-23 Jiaming Liu , Rushil Anirudh , Jayaraman J. Thiagarajan , Stewart He , K. Aditya Mohan , Ulugbek S. Kamilov , Hyojin Kim

Recent advances in large text-conditional diffusion models have revolutionized image generation by enabling users to create realistic, high-quality images from textual prompts, significantly enhancing artistic creation and visual…

Machine Learning · Computer Science 2025-07-08 Ali Naseh , Jaechul Roh , Eugene Bagdasarian , Amir Houmansadr

Presentation attacks represent a critical security threat where adversaries use fake biometric data, such as face, fingerprint, or iris images, to gain unauthorized access to protected systems. Various presentation attack detection (PAD)…

Computer Vision and Pattern Recognition · Computer Science 2025-10-23 Rashik Shadman , M G Sarwar Murshed , Faraz Hussain

While the transferability property of adversarial examples allows the adversary to perform black-box attacks (i.e., the attacker has no knowledge about the target model), the transfer-based adversarial attacks have gained great attention.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Bin Chen , Jia-Li Yin , Shukai Chen , Bo-Hao Chen , Ximeng Liu

Adversarial examples have gained tons of attention in recent years. Many adversarial attacks have been proposed to attack image classifiers, but few work shift attention to object detectors. In this paper, we propose Sparse Adversarial…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Jiayu Bao

Vision-language models (VLMs) have significantly advanced autonomous driving (AD) by enhancing reasoning capabilities; however, these models remain highly susceptible to adversarial attacks. While existing research has explored white-box…

Computer Vision and Pattern Recognition · Computer Science 2025-01-24 Lu Wang , Tianyuan Zhang , Yang Qu , Siyuan Liang , Yuwei Chen , Aishan Liu , Xianglong Liu , Dacheng Tao

Camera pose estimation is a fundamental computer vision task that is essential for applications like visual localization and multi-view stereo reconstruction. In the object-centric scenarios with sparse inputs, the accuracy of pose…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Xinlong Ding , Hongwei Yu , Jiawei Li , Feifan Li , Yu Shang , Bochao Zou , Huimin Ma , Jiansheng Chen

As generative models achieve great success, tampering and modifying the sensitive image contents (i.e., human faces, artist signatures, commercial logos, etc.) have induced a significant threat with social impact. The backdoor attack is a…

Cryptography and Security · Computer Science 2024-10-22 Haichuan Zhang , Meiyu Lin , Zhaoyi Liu , Renyuan Li , Zhiyuan Cheng , Carl Yang , Mingjie Tang

In robotics, diffusion models can capture multi-modal trajectories from demonstrations, making them a transformative approach in imitation learning. However, achieving optimal performance following this regiment requires a large-scale…

We propose a diffusion-based approach for Text-to-Image (T2I) generation with consistent and interactive 3D layout control and editing. While prior methods improve spatial adherence using 2D cues or iterative copy-warp-paste strategies,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Andrea Rigo , Luca Stornaiuolo , Weijie Wang , Mauro Martino , Bruno Lepri , Nicu Sebe

While latent diffusion models achieve impressive image editing results, their application to iterative editing of the same image is severely restricted. When trying to apply consecutive edit operations using current models, they accumulate…

Graphics · Computer Science 2025-04-29 Gal Almog , Ariel Shamir , Ohad Fried

The misuse of large language models (LLMs), such as academic plagiarism, has driven the development of detectors to identify LLM-generated texts. To bypass these detectors, paraphrase attacks have emerged to purposely rewrite these texts to…

Computation and Language · Computer Science 2025-09-11 Hao Fang , Jiawei Kong , Tianqu Zhuang , Yixiang Qiu , Kuofeng Gao , Bin Chen , Shu-Tao Xia , Yaowei Wang , Min Zhang

The Latent Diffusion Model (LDM) has demonstrated strong capabilities in high-resolution image generation and has been widely employed for Pose-Guided Person Image Synthesis (PGPIS), yielding promising results. However, the compression…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Jiaqi Liu , Jichao Zhang , Paolo Rota , Nicu Sebe