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We introduce a method for training neural networks to perform image or volume segmentation in which prior knowledge about the topology of the segmented object can be explicitly provided and then incorporated into the training process. By…

Computer Vision and Pattern Recognition · Computer Science 2020-09-21 James R. Clough , Nicholas Byrne , Ilkay Oksuz , Veronika A. Zimmer , Julia A. Schnabel , Andrew P. King

This abstract describes the segmentation system used to participate in the challenge ISIC 2017: Skin Lesion Analysis Towards Melanoma Detection. Several preprocessing techniques have been tested for three color representations (RGB, YCbCr…

Computer Vision and Pattern Recognition · Computer Science 2017-03-16 Juana M. Gutiérrez-Arriola , Marta Gómez-Álvarez , Victor Osma-Ruiz , Nicolás Sáenz-Lechón , Rubén Fraile

This paper proposes a novel method for segmentation of images by hierarchical multilevel thresholding. The method is global, agglomerative in nature and disregards pixel locations. It involves the optimization of the ratio of the unbiased…

Computer Vision and Pattern Recognition · Computer Science 2007-12-27 Sreechakra Goparaju , Jayadev Acharya , Ajoy K. Ray , Jaideva C. Goswami

This study investigates the impact of face image background correction through segmentation on face recognition and morphing attack detection performance in realistic, unconstrained image capture scenarios. The motivation is driven by…

Computer Vision and Pattern Recognition · Computer Science 2026-04-23 Eduarda Caldeira , Guray Ozgur , Fadi Boutros , Naser Damer

This paper proposes a geodesic-distance-based feature that encodes global information for improved video segmentation algorithms. The feature is a joint histogram of intensity and geodesic distances, where the geodesic distances are…

Computer Vision and Pattern Recognition · Computer Science 2017-04-04 Hieu Le , Vu Nguyen , Chen-Ping Yu , Dimitris Samaras

Few-shot Medical Image Segmentation (FSMIS) is a more promising solution for medical image segmentation tasks where high-quality annotations are naturally scarce. However, current mainstream methods primarily focus on extracting holistic…

Computer Vision and Pattern Recognition · Computer Science 2023-09-21 Yazhou Zhu , Shidong Wang , Tong Xin , Zheng Zhang , Haofeng Zhang

With the growing demand for hand hygiene and convenience of use, palmprint recognition with touchless manner made a great development recently, providing an effective solution for person identification. Despite many efforts that have been…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Zhaoqun Li , Xu Liang , Dandan Fan , Jinxing Li , Wei Jia , David Zhang

Camera fingerprint detection plays a crucial role in source identification and image forensics, with wavelet denoising approaches proving to be particularly effective in extracting sensor pattern noise (SPN). In this article, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2025-07-03 Xinle Tian , Matthew Nunes , Emiko Dupont , Shaunagh Downing , Freddie Lichtenstein , Matt Burns

Detecting and segmenting human skin regions in digital images is an intensively explored topic of computer vision with a variety of approaches proposed over the years that have been found useful in numerous practical applications. The first…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Patryk Kuban , Michal Kawulok

Fingerprints are one of the most copious evidence in a crime scene and, for this reason, they are frequently used by law enforcement for identification of individuals. But fingerprints can be altered. "Altered fingerprints", refers to…

Computer Vision and Pattern Recognition · Computer Science 2020-07-10 Oliver Giudice , Mattia Litrico , Sebastiano Battiato

Currently, portable electronic devices are becoming more and more popular. For lightweight considerations, their fingerprint recognition modules usually use limited-size sensors. However, partial fingerprints have few matchable features,…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Xiongjun Guan , Zhiyu Pan , Jianjiang Feng , Jie Zhou

Face manipulation methods develop rapidly in recent years, whose potential risk to society accounts for the emerging of researches on detection methods. However, due to the diversity of manipulation methods and the high quality of fake…

Computer Vision and Pattern Recognition · Computer Science 2021-05-24 Zehao Chen , Hua Yang

Rapid pace of generative models has brought about new threats to visual forensics such as malicious personation and digital copyright infringement, which promotes works on fake image attribution. Existing works on fake image attribution…

Computer Vision and Pattern Recognition · Computer Science 2021-06-17 Tianyun Yang , Juan Cao , Qiang Sheng , Lei Li , Jiaqi Ji , Xirong Li , Sheng Tang

The performance of the Fingerprint recognition system will be more accurate with respect of enhancement for the fingerprint images. In this paper we develop a novel method for Fingerprint image contrast enhancement technique based on the…

Computer Vision and Pattern Recognition · Computer Science 2011-06-29 D. Bennet , Dr. S. Arumuga Perumal

Image segmentation is an important component of many image understanding systems. It aims to group pixels in a spatially and perceptually coherent manner. Typically, these algorithms have a collection of parameters that control the degree…

Computer Vision and Pattern Recognition · Computer Science 2018-02-02 Marc Bosch , Christopher M. Gifford , Austin G. Dress , Clare W. Lau , Jeffrey G. Skibo , Gordon A. Christie

This paper presents an effective method for fingerprint classification using data mining approach. Initially, it generates a numeric code sequence for each fingerprint image based on the ridge flow patterns. Then for each class, a seed is…

Computer Vision and Pattern Recognition · Computer Science 2012-11-21 Monowar H. Bhuyan , Sarat Saharia , Dhruba Kr Bhattacharyya

This paper addresses the automatic image segmentation problem in a region merging style. With an initially over-segmented image, in which the many regions (or super-pixels) with homogeneous color are detected, image segmentation is…

Computer Vision and Pattern Recognition · Computer Science 2015-05-20 Bo Peng , Lei Zhang , David Zhang

This paper studies the challenging problem of fingerprint image denoising and inpainting. To tackle the challenge of suppressing complicated artifacts (blur, brightness, contrast, elastic transformation, occlusion, scratch, resolution,…

Computer Vision and Pattern Recognition · Computer Science 2018-08-07 Ramakrishna Prabhu , Xiaojing Yu , Zhangyang Wang , Ding Liu , Anxiao , Jiang

Video object segmentation is a fundamental step in many advanced vision applications. Most existing algorithms are based on handcrafted features such as HOG, super-pixel segmentation or texture-based techniques, while recently deep features…

Computer Vision and Pattern Recognition · Computer Science 2018-11-06 Maryam Sultana , Arif Mahmood , Sajid Javed , Soon Ki Jung

Deployment of deep learning models in robotics as sensory information extractors can be a daunting task to handle, even using generic GPU cards. Here, we address three of its most prominent hurdles, namely, i) the adaptation of a single…

Computer Vision and Pattern Recognition · Computer Science 2019-02-28 Vladimir Nekrasov , Thanuja Dharmasiri , Andrew Spek , Tom Drummond , Chunhua Shen , Ian Reid