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We present a fast learning-based algorithm for deformable, pairwise 3D medical image registration. Current registration methods optimize an objective function independently for each pair of images, which can be time-consuming for large…

Computer Vision and Pattern Recognition · Computer Science 2019-03-14 Guha Balakrishnan , Amy Zhao , Mert R. Sabuncu , John Guttag , Adrian V. Dalca

A new coverless image information hiding method based on generative model is proposed, we feed the secret image to the generative model database, and generate a meaning-normal and independent image different from the secret image, then, the…

Computer Vision and Pattern Recognition · Computer Science 2018-02-13 Xintao Duan , Haoxian Song

We present NOVA3R, an effective approach for non-pixel-aligned 3D reconstruction from a set of unposed images in a feed-forward manner. Unlike pixel-aligned methods that tie geometry to per-ray predictions, our formulation learns a global,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Weirong Chen , Chuanxia Zheng , Ganlin Zhang , Andrea Vedaldi , Daniel Cremers

In this paper, we propose a reversible data hiding method in the spatial domain for compressed grayscale images. The proposed method embeds secret bits into a compressed thumbnail of the original image by using a novel interpolation method…

Multimedia · Computer Science 2013-05-20 Andrew Rudder , Wayne Goodridge , Shareeda Mohammed

The use of biometrics to authenticate users and control access to secure areas has become extremely popular in recent years, and biometric access control systems are frequently used by both governments and private corporations. However,…

Cryptography and Security · Computer Science 2023-12-04 Justin Spencer , Deborah Lawrence , Prosenjit Chatterjee , Kaushik Roy , Albert Esterline , Jung-Hee Kim

Inspired by Naor et al.'s visual secret sharing (VSS) scheme, a novel n out of n quantum visual secret sharing (QVSS) scheme is proposed, which consists of two phases: sharing process and recovering process. In the first process, the color…

Quantum Physics · Physics 2023-09-26 Wenjie Liu , Yinsong Xu , Maojun Zhang , Junxiu Chen , Ching-Nung Yang

In identity management system, frequently used biometric recognition system needs awareness towards issue of protecting biometric template as far as more reliable solution is apprehensive. In sight of this biometric template protection…

Computer Vision and Pattern Recognition · Computer Science 2013-12-31 Shraddha S. Shinde , Prof. Anagha P. Khedkar

This paper proposes a ($k,n$)-threshold secret image sharing scheme that offers flexibility in terms of meeting contrasting demands such as information security and storage efficiency with the help of a randomized kernel (binary matrix)…

Cryptography and Security · Computer Science 2019-02-26 Ravi Tej Akella , Raviteja Rekula , Vinod Pankajakshan

To protect image contents, most existing encryption algorithms are designed to transform an original image into a texture-like or noise-like image, which is, however, an obvious visual sign indicating the presence of an encrypted image,…

Computer Vision and Pattern Recognition · Computer Science 2018-01-03 Xintao Duan , Haoxian Song , En Zhang , Jingjing Liu

Present world has already been consistently exploring the fine edges of online and digital world by imposing multiple challenging problems/scenarios. Similar to physical world, personal identity management is very crucial in-order to…

Computer Vision and Pattern Recognition · Computer Science 2018-12-14 Avantika Singh , Ashish Arora , Shreya Hasmukh Patel , Gaurav Jaswal , Aditya Nigam

Face anonymization aims to protect sensitive identity information by altering faces while preserving visual realism and utility for downstream computer vision tasks. Current methods struggle to simultaneously ensure high image quality,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Pol Labarbarie , Vincent Itier , William Puech

Reversible face anonymization, unlike traditional face pixelization, seeks to replace sensitive identity information in facial images with synthesized alternatives, preserving privacy without sacrificing image clarity. Traditional methods,…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Haoxin Yang , Xuemiao Xu , Cheng Xu , Huaidong Zhang , Jing Qin , Yi Wang , Pheng-Ann Heng , Shengfeng He

In this digital era, ensuring the security of digital data during transmission and storage is crucial. Digital data, particularly image data, needs to be protected against unauthorized access. To address this, this paper presents a novel…

Cryptography and Security · Computer Science 2025-03-14 Muhammad Ali , Jawad Ahmad , Muhammad Abdullah Hussain Khan , Safee Ullah , Mujeeb Ur Rehman , Syed Aziz Shah , Muhammad Shahbaz Khan

Multi-modal retrieval-augmented generation (MRAG) systems retrieve visual evidence from large image corpora to ground the responses of large multi-modal models, yet the retrieved images frequently contain human faces whose identities…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Zehua Cheng , Wei Dai , Jiahao Sun

There is a growing privacy concern due to the popularity of social media and surveillance systems, along with advances in face recognition software. However, established image obfuscation techniques are either vulnerable to…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Tao Li , Min Soo Choi

Reconstructing an avatar from a portrait image has many applications in multimedia, but remains a challenging research problem. Extracting reflectance maps and geometry from one image is ill-posed: recovering geometry is a one-to-many…

Computer Vision and Pattern Recognition · Computer Science 2023-12-25 Abdallah Dib , Luiz Gustavo Hafemann , Emeline Got , Trevor Anderson , Amin Fadaeinejad , Rafael M. O. Cruz , Marc-Andre Carbonneau

In tissue characterization and cancer diagnostics, multimodal imaging has emerged as a powerful technique. Thanks to computational advances, large datasets can be exploited to discover patterns in pathologies and improve diagnosis. However,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Eva Breznik , Elisabeth Wetzer , Joakim Lindblad , Nataša Sladoje

We present a numerically efficient method to reconstruct a disordered network of thin biopolymers, such as collagen gels, from three-dimensional (3D) image stacks recorded with a confocal microscope. Our method is based on a template…

Quantitative Methods · Quantitative Biology 2011-11-17 Patrick Krauss , Claus Metzner , Janina Lange , Nadine Lang , Ben Fabry

We propose an efficient framework of reversible data hiding to preserve compatibility between normal printing and printing with a special color ink by using a single common image. The special color layer is converted to a binary image by…

Multimedia · Computer Science 2021-03-04 Minagi Ueda , Shoko Imaizumi

Diffeomorphic deformable image registration is one of the crucial tasks in medical image analysis, which aims to find a unique transformation while preserving the topology and invertibility of the transformation. Deep convolutional neural…

Image and Video Processing · Electrical Eng. & Systems 2022-02-09 Ameneh Sheikhjafari , Michelle Noga , Kumaradevan Punithakumar , Nilanjan Ray