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Related papers: Combined Haar-Hilbert and Log-Gabor Based Iris Enc…

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Composed Image Retrieval (CIR) aims to retrieve images based on a query image with text. Current Zero-Shot CIR (ZS-CIR) methods try to solve CIR tasks without using expensive triplet-labeled training datasets. However, the gap between…

Computer Vision and Pattern Recognition · Computer Science 2024-07-10 Yingying Jiang , Hanchao Jia , Xiaobing Wang , Peng Hao

Many developers of biometric systems start with modest samples before general deployment. They are interested in how their systems will work with much larger samples. We evaluated the effect of gallery size on biometric performance.…

Cryptography and Security · Computer Science 2020-01-27 Lee Friedman , Hal S Stern , Vladyslav Prokopenko , Shagen Djanian , Henry K. Griffith , Oleg V. Komogortsev

The massive availability of cameras results in a wide variability of imaging conditions, producing large intra-class variations and a significant performance drop if heterogeneous images are compared for person recognition. However, as…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Fernando Alonso-Fernandez , Kiran B. Raja , R. Raghavendra , Cristoph Busch , Josef Bigun , Ruben Vera-Rodriguez , Julian Fierrez

Systematic polar codes are shown to outperform non-systematic polar codes in terms of the bit-error-rate (BER) performance. However theoretically the mechanism behind the better performance of systematic polar codes is not yet clear. In…

Information Theory · Computer Science 2015-04-17 Liping Li , Wenyi Zhang , Yanjun Hu

Commonly used automatic speech recognition (ASR) systems can be classified into frame-synchronous and label-synchronous categories, based on whether the speech is decoded on a per-frame or per-label basis. Frame-synchronous systems, such as…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-05 Qiujia Li , Chao Zhang , Philip C. Woodland

Despite the widespread integration of ambient light sensors (ALS) in smart devices commonly used for screen brightness adaptation, their application in human activity recognition (HAR), primarily through body-worn ALS, is largely…

Artificial Intelligence · Computer Science 2024-08-23 Lala Shakti Swarup Ray , Daniel Geißler , Mengxi Liu , Bo Zhou , Sungho Suh , Paul Lukowicz

In this paper, we present a technique by which high-intensity feature vectors extracted from the Gabor wavelet transformation of frontal face images, is combined together with Independent Component Analysis (ICA) for enhanced face…

Computer Vision and Pattern Recognition · Computer Science 2011-06-20 Arindam Kar , Debotosh Bhattacharjee , Dipak Kumar Basu , Mita Nasipuri , Mahantapas Kundu

In this study the authors will look at the detection and segmentation of the iris and its influence on the overall performance of the iris-biometric tool chain. The authors will examine whether the segmentation accuracy, based on…

Computer Vision and Pattern Recognition · Computer Science 2022-11-11 Heinz Hofbauer , Fernando Alonso-Fernandez , Josef Bigun , Andreas Uhl

Hybrid approach has a special status among Face Recognition Systems as they combine different recognition approaches in an either serial or parallel to overcome the shortcomings of individual methods. This paper explores the area of Hybrid…

Computer Vision and Pattern Recognition · Computer Science 2014-01-03 Trupti M. Kodinariya

Content-based image retrieval (CBIR) of medical images in large datasets to identify similar images when a query image is given can be very useful in improving the diagnostic decision of the clinical experts and as well in educational…

Computer Vision and Pattern Recognition · Computer Science 2017-09-29 Hamed Erfankhah , Mehran Yazdi , H. R. Tizhoosh

The current paper deals with the role played by Logarithmic Image Processing (LIP) operators for evaluating the homogeneity of a region. Two new criteria of heterogeneity are introduced, one based on the LIP addition and the other based on…

Computer Vision and Pattern Recognition · Computer Science 2018-06-28 Michel Jourlin , Guillaume Noyel

Fine-grained image hashing is a challenging problem due to the difficulties of discriminative region localization and hash code generation. Most existing deep hashing approaches solve the two tasks independently. While these two tasks are…

Computer Vision and Pattern Recognition · Computer Science 2019-11-20 Haien Zeng , Hanjiang Lai , Jian Yin

Iterative decoding was not originally introduced as the solution to an optimization problem rendering the analysis of its convergence very difficult. In this paper, we investigate the link between iterative decoding and classical…

Information Theory · Computer Science 2010-01-13 Florence Alberge , Ziad Naja , P. Duhamel

In this work we test the ability of deep learning methods to provide an end-to-end mapping between low and high resolution images applying it to the iris recognition problem. Here, we propose the use of two deep learning single-image…

Image and Video Processing · Electrical Eng. & Systems 2023-11-03 Eduardo Ribeiro , Andreas Uhl , Fernando Alonso-Fernandez , Reuben A. Farrugia

The lack of resolution has a negative impact on the performance of image-based biometrics. While many generic super-resolution methods have been proposed to restore low-resolution images, they usually aim to enhance their visual appearance.…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 F. Alonso-Fernandez , R. A. Farrugia , J. Bigun , J. Fierrez , E. Gonzalez-Sosa

As the field of remote sensing is evolving, we witness the accumulation of information from several modalities, such as multispectral (MS), hyperspectral (HSI), LiDAR etc. Each of these modalities possess its own distinct characteristics…

Computer Vision and Pattern Recognition · Computer Science 2021-07-27 Rupak Bose , Shivam Pande , Biplab Banerjee

Multimodal alignment of histopathology encoders with transcriptomic and genomic data has been shown to significantly improve performance in downstream diagnostic tasks. Hematological cytology is unique in that visual single-cell evaluation…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Muhammed Furkan Dasdelen , Fatih Ozlugedik , Ilaria Looser , Rao Muhammad Umer , Christian Pohlkamp , Carsten Marr

Content Based Image Retrieval(CBIR) is one of the important subfield in the field of Information Retrieval. The goal of a CBIR algorithm is to retrieve semantically similar images in response to a query image submitted by the end user. CBIR…

Information Retrieval · Computer Science 2014-09-03 Vikas Verma

This paper proposes a cooperative integrated sensing and communication network (Co-ISACNet) adopting hybrid beamforming (HBF) architecture, which improves both radar sensing and communication performance. The main contributions of this work…

Signal Processing · Electrical Eng. & Systems 2025-06-19 Bowen Wang , Hongyu Li , Fan Liu , Ziyang Cheng , Shanpu Shen

Vibrational spectroscopy is a cornerstone technique for molecular characterization and offers an ideal target for the computational investigation of molecular materials. Building on previous comprehensive assessments of efficient methods…

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