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Related papers: TipSegNet: Fingertip Segmentation in Contactless F…

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Singular points of a fingerprint image are special locations having high curvature properties. They can play a pivotal role in fingerprint normalization and reliable feature extraction. Accurate and efficient extraction of a singular point…

Computer Vision and Pattern Recognition · Computer Science 2019-08-15 Geetika Arora , Ranjeet Ranjan Jha , Akash Agrawal , Kamlesh Tiwari , Aditya Nigam

Biometric Authentication like Fingerprints has become an integral part of the modern technology for authentication and verification of users. It is pervasive in more ways than most of us are aware of. However, these fingerprint images…

Computer Vision and Pattern Recognition · Computer Science 2022-11-03 Megh Patel , Devarsh Patel , Sarthak Patel

In robot-assisted laparoscopic radical prostatectomy (RALP), the location of the instrument tip is important to register the ultrasound frame with the laparoscopic camera frame. A long-standing limitation is that the instrument tip position…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Zijian Wu , Shuojue Yang , Yueming Jin , Septimiu E Salcudean

We propose a real-time DNN-based technique to segment hand and object of interacting motions from depth inputs. Our model is called DenseAttentionSeg, which contains a dense attention mechanism to fuse information in different scales and…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Zihao Bo , Hao Zhang , Junhai Yong , Feng Xu

Fingerprint authentication is widely used in biometrics due to its simple process, but it is vulnerable to fake fingerprints. This study proposes a patch-based fake fingerprint detection method using a fully convolutional neural network…

Computer Vision and Pattern Recognition · Computer Science 2018-03-22 Eunsoo Park , Xuenan Cui , Weonjin Kim , Jinsong Liu , Hakil Kim

The increasing demand for hygienic and portable biometric systems has underscored the critical need for advancements in contactless fingerprint recognition. Despite its potential, this technology faces notable challenges, including…

Computer Vision and Pattern Recognition · Computer Science 2025-09-05 Shubham Pandey , Bhavin Jawade , Srirangaraj Setlur

For complex segmentation tasks, fully automatic systems are inherently limited in their achievable accuracy for extracting relevant objects. Especially in cases where only few data sets need to be processed for a highly accurate result,…

Computer Vision and Pattern Recognition · Computer Science 2017-09-12 Mario Amrehn , Sven Gaube , Mathias Unberath , Frank Schebesch , Tim Horz , Maddalena Strumia , Stefan Steidl , Markus Kowarschik , Andreas Maier

The primary purpose of a fingerprint recognition system is to ensure a reliable and accurate user authentication, but the security of the recognition system itself can be jeopardized by spoof attacks. This study addresses the problem of…

Computer Vision and Pattern Recognition · Computer Science 2017-12-14 Tarang Chugh , Kai Cao , Anil K. Jain

A key limitation of deep convolutional neural networks (DCNN) based image segmentation methods is the lack of generalizability. Manually traced training images are typically required when segmenting organs in a new imaging modality or from…

Computer Vision and Pattern Recognition · Computer Science 2019-10-01 Yuankai Huo , Zhoubing Xu , Hyeonsoo Moon , Shunxing Bao , Albert Assad , Tamara K. Moyo , Michael R. Savona , Richard G. Abramson , Bennett A. Landman

The current developments in the field of machine vision have opened new vistas towards deploying multimodal biometric recognition systems in various real-world applications. These systems have the ability to deal with the limitations of…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Bilal Hassan , Ramsha Ahmed , Taimur Hassan , Naoufel Werghi

Medical image segmentation leverages topological connectivity theory to enhance edge precision and regional consistency. However, existing deep networks integrating connectivity often forcibly inject it as an additional feature module,…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Mingda Zhang , Xun Ye , Ruixiang Tang , Haiyan Ding

Contactless and online palmprint identfication offers improved user convenience, hygiene, user-security and is highly desirable in a range of applications. This technical report details an accurate and generalizable deep learning-based…

Computer Vision and Pattern Recognition · Computer Science 2019-01-01 Yang Liu , Ajay Kumar

Contactless palmprints are comprised of both global and local discriminative features. Most prior work focuses on extracting global features or local features alone for palmprint matching, whereas this research introduces a novel framework…

Computer Vision and Pattern Recognition · Computer Science 2024-01-17 Steven A. Grosz , Akash Godbole , Anil K. Jain

Skin cancer is one of the most common cancers in the United States. As technological advancements are made, algorithmic diagnosis of skin lesions is becoming more important. In this paper, we develop algorithms for segmenting the actual…

Computer Vision and Pattern Recognition · Computer Science 2019-05-22 Yu-Min Chung , Chuan-Shen Hu , Austin Lawson , Clifford Smyth

Medical image segmentation, which aims to automatically extract anatomical or pathological structures, plays a key role in computer-aided diagnosis and disease analysis. Despite the problem has been widely studied, existing methods are…

Image and Video Processing · Electrical Eng. & Systems 2022-03-01 Han Zhang , Lok Ming Lui

Image segmentation, the process of partitioning an image into meaningful regions, plays a pivotal role in computer vision and medical imaging applications. Unsupervised segmentation, particularly in the absence of labeled data, remains a…

Computer Vision and Pattern Recognition · Computer Science 2024-05-13 Kovvuri Sai Gopal Reddy , Bodduluri Saran , A. Mudit Adityaja , Saurabh J. Shigwan , Nitin Kumar

Brain-computer interface (BCI) technology facilitates communication between the human brain and computers, primarily utilizing electroencephalography (EEG) signals to discern human intentions. Although EEG-based BCI systems have been…

Signal Processing · Electrical Eng. & Systems 2024-03-07 Young-Min Go , Seong-Hyun Yu , Hyeong-Yeong Park , Minji Lee , Ji-Hoon Jeong

High-resolution images are preferable in medical imaging domain as they significantly improve the diagnostic capability of the underlying method. In particular, high resolution helps substantially in improving automatic image segmentation.…

Image and Video Processing · Electrical Eng. & Systems 2024-10-03 Muhammad Hamza Sharif , Dmitry Demidov , Asif Hanif , Mohammad Yaqub , Min Xu

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

With the increasing integration of smartphones into our daily lives, fingerphotos are becoming a potential contactless authentication method. While it offers convenience, it is also more vulnerable to spoofing using various presentation…

Computer Vision and Pattern Recognition · Computer Science 2023-10-24 Banafsheh Adami , Sara Tehranipoor , Nasser Nasrabadi , Nima Karimian