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Image denoising is a fundamental task in low-level computer vision. While recent deep learning-based image denoising methods have achieved impressive performance, they are black-box models and the underlying denoising principle remains…

Computer Vision and Pattern Recognition · Computer Science 2023-09-27 Jingwei Niu , Jun Cheng , Shan Tan

Protecting a fingerprint database against attackers is very vital in order to protect against false acceptance rate or false rejection rate. A key property in distinguishing fingerprint images is by exploiting the characteristics of these…

Computer Vision and Pattern Recognition · Computer Science 2022-01-10 Aamo Iorliam , Orgem Emmanuel , Yahaya I. Shehu

Manipulated images are a threat to consumers worldwide, when they are used to spread disinformation. Therefore, Comprint enables forgery detection by utilizing JPEG-compression fingerprints. This paper evaluates the impact of the training…

Multimedia · Computer Science 2023-03-08 Hannes Mareen , Dante Vanden Bussche , Glenn Van Wallendael , Luisa Verdoliva , Peter Lambert

For low-level computer vision and image processing ML tasks, training on large datasets is critical for generalization. However, the standard practice of relying on real-world images primarily from the Internet comes with image quality,…

Computer Vision and Pattern Recognition · Computer Science 2022-12-09 Gyeongmin Choe , Beibei Du , Seonghyeon Nam , Xiaoyu Xiang , Bo Zhu , Rakesh Ranjan

The lack of large-scale real raw image denoising dataset gives rise to challenges on synthesizing realistic raw image noise for training denoising models. However, the real raw image noise is contributed by many noise sources and varies…

Image and Video Processing · Electrical Eng. & Systems 2023-02-24 Yi Zhang , Hongwei Qin , Xiaogang Wang , Hongsheng Li

Patch-Match is an efficient algorithm used for structural image editing and available as a tool on popular commercial photo-editing software. The tool allows users to insert or remove objects from photos using information from similar scene…

Image and Video Processing · Electrical Eng. & Systems 2019-07-01 Ahmet Karaküçük , Ahmet Emir Dirik

Noise is an important factor which when get added to an image reduces its quality and appearance. So in order to enhance the image qualities, it has to be removed with preserving the textural information and structural features of image.…

Computer Vision and Pattern Recognition · Computer Science 2019-01-23 Vivek Kumar , Atul Samadhiya

Benefit from large-scale training datasets, deep Convolutional Neural Networks(CNNs) have achieved impressive results in face recognition(FR). However, tremendous scale of datasets inevitably lead to noisy data, which obviously reduce the…

Computer Vision and Pattern Recognition · Computer Science 2019-03-27 Wei Hu , Yangyu Huang , Fan Zhang , Ruirui Li

Modeling and synthesizing image noise is an important aspect in many computer vision applications. The long-standing additive white Gaussian and heteroscedastic (signal-dependent) noise models widely used in the literature provide only a…

Computer Vision and Pattern Recognition · Computer Science 2019-08-23 Abdelrahman Abdelhamed , Marcus A. Brubaker , Michael S. Brown

An ideal audio retrieval system efficiently and robustly recognizes a short query snippet from an extensive database. However, the performance of well-known audio fingerprinting systems falls short at high signal distortion levels. This…

Audio and Speech Processing · Electrical Eng. & Systems 2024-11-22 Anup Singh , Kris Demuynck , Vipul Arora

Seismic acquisition footprints appear as stably faint and dim structures and emerge fully spatially coherent, causing inevitable damage to useful signals during the suppression process. Various footprint removal methods, including filtering…

Computer Vision and Pattern Recognition · Computer Science 2023-05-19 Feng Qian , Yuehua Yue , Yu He , Hongtao Yu , Yingjie Zhou , Jinliang Tang , Guangmin Hu

As a hybrid imaging technology, photoacoustic microscopy (PAM) imaging suffers from noise due to the maximum permissible exposure of laser intensity, attenuation of ultrasound in the tissue, and the inherent noise of the transducer.…

Image and Video Processing · Electrical Eng. & Systems 2022-01-13 Da He , Jiasheng Zhou , Xiaoyu Shang , Jiajia Luo , Sung-Liang Chen

Generative models now produce images with such stunning realism that they can easily deceive the human eye. While this progress unlocks vast creative potential, it also presents significant risks, such as the spread of misinformation.…

Computer Vision and Pattern Recognition · Computer Science 2026-01-29 Yichi Zhang , Xiaogang Xu

Deep Neural Networks have been successfully applied in hyperspectral image classification. However, most of prior works adopt general deep architectures while ignore the intrinsic structure of the hyperspectral image, such as the physical…

Computer Vision and Pattern Recognition · Computer Science 2023-01-04 Zhiqiang Gong , Ping Zhong , Jiahao Qi , Panhe Hu

Compared to contact fingerprint images, contactless fingerprint images exhibit four distinct characteristics: (1) they contain less noise; (2) they have fewer discontinuities in ridge patterns; (3) the ridge-valley pattern is less distinct;…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Mahrukh Siddiqui , Shahzaib Iqbal , Bandar AlShammari , Bandar Alhaqbani , Tariq M. Khan , Imran Razzak

This paper proposes to study the impact of image selective encryption on both forensics and privacy preserving mechanisms. The proposed selective encryption scheme works independently on each bitplane by encrypting the s most significant…

Cryptography and Security · Computer Science 2021-03-08 Pauline Puteaux , Vincent Itier , Patrick Bas

This paper presents a novel approach for image retrieval and pattern spotting in document image collections. The manual feature engineering is avoided by learning a similarity-based representation using a Siamese Neural Network trained on a…

Computer Vision and Pattern Recognition · Computer Science 2019-06-25 Kelly L. Wiggers , Alceu S. Britto , Laurent Heutte , Alessandro L. Koerich , Luiz S. Oliveira

A problem of image denoising when images are corrupted by a non-stationary noise is considered in this paper. Since in practice no a priori information on noise is available, noise statistics should be pre-estimated for image denoising. In…

Image and Video Processing · Electrical Eng. & Systems 2021-09-27 Sheyda Ghanbaralizadeh Bahnemiri , Mykola Ponomarenko , Karen Egiazarian

Minutiae play a major role in fingerprint identification. Extracting reliable minutiae is difficult for latent fingerprints which are usually of poor quality. As the limitation of traditional handcrafted features, a fully convolutional…

Computer Vision and Pattern Recognition · Computer Science 2017-09-08 Yao Tang , Fei Gao , Jufu Feng

Watermarking the outputs of generative models is a crucial technique for tracing copyright and preventing potential harm from AI-generated content. In this paper, we introduce a novel technique called Tree-Ring Watermarking that robustly…

Machine Learning · Computer Science 2023-07-06 Yuxin Wen , John Kirchenbauer , Jonas Geiping , Tom Goldstein