English
Related papers

Related papers: Modeling Spoof Noise by De-spoofing Diffusion and …

200 papers

With diverse presentation attacks emerging continually, generalizable face anti-spoofing (FAS) has drawn growing attention. Most existing methods implement domain generalization (DG) on the complete representations. However, different image…

Computer Vision and Pattern Recognition · Computer Science 2022-03-21 Zhuo Wang , Zezheng Wang , Zitong Yu , Weihong Deng , Jiahong Li , Tingting Gao , Zhongyuan Wang

Estimating the 6D object pose from a single RGB image often involves noise and indeterminacy due to challenges such as occlusions and cluttered backgrounds. Meanwhile, diffusion models have shown appealing performance in generating…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Li Xu , Haoxuan Qu , Yujun Cai , Jun Liu

Diffusion models have been shown to achieve natural-sounding enhancement of speech degraded by noise or reverberation. However, their simultaneous denoising and dereverberation capability has so far not been studied much, although this is…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-27 Adrian Meise , Tobias Cord-Landwehr , Reinhold Haeb-Umbach

This work studies the generalization issue of face anti-spoofing (FAS) models on domain gaps, such as image resolution, blurriness and sensor variations. Most prior works regard domain-specific signals as a negative impact, and apply metric…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Yiyou Sun , Yaojie Liu , Xiaoming Liu , Yixuan Li , Wen-Sheng Chu

Monocular depth estimation is a challenging task that predicts the pixel-wise depth from a single 2D image. Current methods typically model this problem as a regression or classification task. We propose DiffusionDepth, a new approach that…

Computer Vision and Pattern Recognition · Computer Science 2023-08-30 Yiqun Duan , Xianda Guo , Zheng Zhu

The rise of deepfake images, especially of well-known personalities, poses a serious threat to the dissemination of authentic information. To tackle this, we present a thorough investigation into how deepfakes are produced and how they can…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Haixu Song , Shiyu Huang , Yinpeng Dong , Wei-Wei Tu

Image denoising is an important problem in low-level vision and serves as a critical module for many image recovery tasks. Anisotropic diffusion is a wide family of image denoising approaches with promising performance. However, traditional…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Xinran Qin , Yuhui Quan , Ruotao Xu , Hui Ji

Latest diffusion models have shown promising results in category-level 6D object pose estimation by modeling the conditional pose distribution with depth image input. The existing methods, however, suffer from slow convergence during…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Seunghyun Lee , Tae-Kyun Kim

In recent years, self-supervised denoising methods have gained significant success and become critically important in the field of image restoration. Among them, the blind spot network based methods are the most typical type and have…

Image and Video Processing · Electrical Eng. & Systems 2024-07-16 Xiangyu Liao , Tianheng Zheng , Jiayu Zhong , Pingping Zhang , Chao Ren

Diffusion models are becoming increasingly popular in synthetic data generation and image editing applications. However, these models can amplify existing biases and propagate them to downstream applications. Therefore, it is crucial to…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 Malsha V. Perera , Vishal M. Patel

This work proposes a learning-based statistical refinement method for improving the denoising results of a given denoiser without knowing the precise noise distribution or accessing clean images or calibration data. While there are many…

Machine Learning · Computer Science 2026-05-07 Rihuan Ke

The pose-guided person image generation task requires synthesizing photorealistic images of humans in arbitrary poses. The existing approaches use generative adversarial networks that do not necessarily maintain realistic textures or need…

Computer Vision and Pattern Recognition · Computer Science 2023-03-02 Ankan Kumar Bhunia , Salman Khan , Hisham Cholakkal , Rao Muhammad Anwer , Jorma Laaksonen , Mubarak Shah , Fahad Shahbaz Khan

Neural networks struggle with image classification when biases are learned and misleads correlations, affecting their generalization and performance. Previous methods require attribute labels (e.g. background, color) or utilizes Generative…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Donggeun Ko , Dongjun Lee , Namjun Park , Wonkyeong Shim , Jaekwang Kim

Blind face restoration methods have shown remarkable performance, particularly when trained on large-scale synthetic datasets with supervised learning. These datasets are often generated by simulating low-quality face images with a…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Tianshu Kuai , Sina Honari , Igor Gilitschenski , Alex Levinshtein

Face anti-spoofing (FAS) plays an important role in protecting face recognition systems from face representation attacks. Many recent studies in FAS have approached this problem with domain generalization technique. Domain generalization…

Computer Vision and Pattern Recognition · Computer Science 2021-07-15 Young Eun Kim , Seong-Whan Lee

Diffusion models have garnered considerable interest in computer vision, owing both to their capacity to synthesize photorealistic images and to their proven effectiveness in image reconstruction tasks. However, existing approaches fail to…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Jonas Dornbusch , Emanuel Pfarr , Florin-Alexandru Vasluianu , Frank Werner , Radu Timofte

Diffusion models achieve remarkable quality in image generation, but at a cost. Iterative denoising requires many time steps to produce high fidelity images. We argue that the denoising process is crucially limited by an accumulation of the…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Hui Lu , Albert ali Salah , Ronald Poppe

Face anti-spoofing is crucial for the security of face recognition system, by avoiding invaded with presentation attack. Previous works have shown the effectiveness of using depth and temporal supervision for this task. However, depth…

Computer Vision and Pattern Recognition · Computer Science 2020-02-11 Ying Huang , Wenwei Zhang , Jinzhuo Wang

Though having achieved some progresses, the hand-crafted texture features, e.g., LBP [23], LBP-TOP [11] are still unable to capture the most discriminative cues between genuine and fake faces. In this paper, instead of designing feature by…

Computer Vision and Pattern Recognition · Computer Science 2014-08-27 Jianwei Yang , Zhen Lei , Stan Z. Li

In the current era, biometric based access control is becoming more popular due to its simplicity and ease to use by the users. It reduces the manual work of identity recognition and facilitates the automatic processing. The face is one of…

Computer Vision and Pattern Recognition · Computer Science 2019-03-28 Chaitanya Nagpal , Shiv Ram Dubey