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We present a novel framework to reconstruct complete 3D human shapes from a given target image by leveraging monocular unconstrained images. The objective of this work is to reproduce high-quality details in regions of the reconstructed…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Marco Pesavento , Marco Volino , Adrian Hilton

Face anonymization aims to conceal the visual identity of a face to safeguard the individual's privacy. Traditional methods like blurring and pixelation can largely remove identifying features, but these techniques significantly degrade…

Computer Vision and Pattern Recognition · Computer Science 2025-01-17 Lin Yuan , Kai Liang , Xiong Li , Tao Wu , Nannan Wang , Xinbo Gao

Deformable image registration is one of the fundamental tasks in medical imaging. Classical registration algorithms usually require a high computational cost for iterative optimizations. Although deep-learning-based methods have been…

Image and Video Processing · Electrical Eng. & Systems 2022-09-30 Boah Kim , Inhwa Han , Jong Chul Ye

Self-portraits captured from a short distance might look unnatural or even unattractive due to heavy distortions making facial features malformed, and ill-placed head poses. In this paper, we propose SUPER, a novel method of eliminating…

Computer Vision and Pattern Recognition · Computer Science 2024-06-19 Polina Karpikova , Andrei Spiridonov , Anna Vorontsova , Anastasia Yaschenko , Ekaterina Radionova , Igor Medvedev , Alexander Limonov

Protection of faces in pictures and videos of people in connection with sensitive information, activism, abused cases and others on public broadcasting media and social net- works is very important. On social networks like YouTube,facebook,…

Cryptography and Security · Computer Science 2013-07-25 Quist-Aphetsi Kester

We address the problem of converting large-scale high-dimensional image data into binary codes so that approximate nearest-neighbor search over them can be efficiently performed. Different from most of the existing unsupervised approaches…

Computer Vision and Pattern Recognition · Computer Science 2015-12-02 Tsung-Yu Lin , Tsung-Wei Ke , Tyng-Luh Liu

Composed Image Retrieval (CIR) is a challenging multimodal task that retrieves a target image based on a reference image and accompanying modification text. Due to the high cost of annotating CIR triplet datasets, zero-shot (ZS) CIR has…

Computer Vision and Pattern Recognition · Computer Science 2025-04-28 Yabing Wang , Zhuotao Tian , Qingpei Guo , Zheng Qin , Sanping Zhou , Ming Yang , Le Wang

Lossy image compression is one of the most commonly used operators for digital images. Most recently proposed deep-learning-based image compression methods leverage the auto-encoder structure, and reach a series of promising results in this…

Computer Vision and Pattern Recognition · Computer Science 2020-07-09 Yaolong Wang , Mingqing Xiao , Chang Liu , Shuxin Zheng , Tie-Yan Liu

Given a monocular face image as input, 3D face geometry reconstruction aims to recover a corresponding 3D face mesh. Recently, both optimization-based and learning-based face reconstruction methods have taken advantage of the emerging…

Computer Vision and Pattern Recognition · Computer Science 2021-05-11 Jingtan Piao , Keqiang Sun , KwanYee Lin , Quan Wang , Hongsheng Li

This paper deals with tomographic image reconstruction under the situation where some of projection data bins are contaminated with abnormal data. Such situations occur in various instances of tomography. We propose a new reconstruction…

Medical Physics · Physics 2017-02-01 Hiroyuki Kudo , Keita Takaki , Fukashi Yamazaki , Takuya Nemoto

In this paper, we propose a novel conservative chaotic standard map-driven dynamic DNA coding (encoding, addition, subtraction and decoding) for the image encryption. The proposed image encryption algorithm is a dynamic DNA coding algorithm…

Cryptography and Security · Computer Science 2023-10-24 Vinod Patidar , Gurpreet Kaur

The fine-grained localization of clinicians in the operating room (OR) is a key component to design the new generation of OR support systems. Computer vision models for person pixel-based segmentation and body-keypoints detection are needed…

Computer Vision and Pattern Recognition · Computer Science 2022-07-01 Vinkle Srivastav , Afshin Gangi , Nicolas Padoy

We consider the problem of trustworthy image restoration, taking the form of a constrained optimization over the prior density. To this end, we develop generative models for the task of image super-resolution that respect the degradation…

Image and Video Processing · Electrical Eng. & Systems 2025-05-20 Andreas Floros , Seyed-Mohsen Moosavi-Dezfooli , Pier Luigi Dragotti

Cryptography is always very important in data origin authentications, entity authentication, data integrity and confidentiality. In recent years, a variety of chaotic cryptographic schemes have been proposed. These schemes have typical…

Cryptography and Security · Computer Science 2012-02-08 Sodeif Ahadpour , Yaser Sadra , Zahra ArastehFard

Moir\'e patterns, resulting from aliasing between object light signals and camera sampling frequencies, often degrade image quality during capture. Traditional demoir\'eing methods have generally treated images as a whole for processing and…

Computer Vision and Pattern Recognition · Computer Science 2025-04-17 Xia Wang , Haiyang Sun , Tiantian Cao , Yueying Sun , Min Feng

This paper proposes a content based image retrieval (CBIR) system using the local colour and texture features of selected image sub-blocks and global colour and shape features of the image. The image sub-blocks are roughly identified by…

Information Retrieval · Computer Science 2013-07-08 E. R. Vimina , K. Poulose Jacob

Reverse Engineering a CAD shape from other representations is an important geometric processing step for many downstream applications. In this work, we introduce a novel neural network architecture to solve this challenging task and…

Computer Vision and Pattern Recognition · Computer Science 2022-09-05 Joseph G. Lambourne , Karl D. D. Willis , Pradeep Kumar Jayaraman , Longfei Zhang , Aditya Sanghi , Kamal Rahimi Malekshan

Composed image retrieval searches for a target image based on a multi-modal user query comprised of a reference image and modification text describing the desired changes. Existing approaches to solving this challenging task learn a mapping…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Zheyuan Liu , Weixuan Sun , Yicong Hong , Damien Teney , Stephen Gould

We demonstrate that modern image recognition methods based on artificial neural networks can recover hidden information from images protected by various forms of obfuscation. The obfuscation techniques considered in this paper are mosaicing…

Cryptography and Security · Computer Science 2016-09-08 Richard McPherson , Reza Shokri , Vitaly Shmatikov

Recent advances in generative models trained on large-scale datasets have made it possible to synthesize high-quality samples across various domains. Moreover, the emergence of strong inversion networks enables not only a reconstruction of…

Computer Vision and Pattern Recognition · Computer Science 2024-05-17 Juwon Seo , Sung-Hoon Lee , Tae-Young Lee , Seungjun Moon , Gyeong-Moon Park