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Related papers: Ternary Fingerprints with Reference Odor for Fluct…

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Triaxial vibration sensor are widely used used in various application. Recently, low-cost sensors based on micro electro mechanical system (MEMS) technology are also becoming more widely adopted. However, their measurement accuracy can be…

Instrumentation and Detectors · Physics 2025-12-12 Tomofumi Shimoda , Wataru Kokuyama , Hideaki Nozato

We introduce a new fingerprint that allows distinguishing between liquid-like and solid-like atomic environments. This fingerprint is based on an approximate expression for the entropy projected on individual atoms. When combined with a…

Materials Science · Physics 2020-04-10 Pablo M. Piaggi , Michele Parrinello

Approximate Nearest-Neighbor Search (ANNS) is a key technique in retrieval-augmented generation (RAG), enabling rapid identification of the most relevant high-dimensional embeddings from massive vector databases. Modern ANNS engines…

Machine Learning · Computer Science 2026-01-16 Tianqi Zhang , Flavio Ponzina , Tajana Rosing

Although most fingerprint matching methods utilize minutia points and/or texture of fingerprint images as fingerprint features, the frequency spectrum is also a useful feature since a fingerprint is composed of ridge patterns with its…

Computer Vision and Pattern Recognition · Computer Science 2020-08-28 Ai Takahashi , Yoshinori Koda , Koichi Ito , Takafumi Aoki

Most finger vein feature extraction algorithms achieve satisfactory performance due to their texture representation abilities, despite simultaneously ignoring the intensity distribution that is formed by the finger tissue, and in some…

Computer Vision and Pattern Recognition · Computer Science 2021-12-16 Wenxiong Kang , Yuting Lu , Dejian Li , Wei Jia

In fingerprint matching, fixed-length descriptors generally offer greater efficiency compared to minutiae set, but the recognition accuracy is not as good as that of the latter. Although much progress has been made in deep learning based…

Computer Vision and Pattern Recognition · Computer Science 2024-09-27 Zhiyu Pan , Yongjie Duan , Jianjiang Feng , Jie Zhou

The prediction of odor characters is still impossible based on the odorant molecular structure. We designed a CNN-based regressor for computed parameters in molecular vibrations (CNN\_vib), in order to investigate the ability to predict…

Chemical Physics · Physics 2025-09-23 Yuki Harada , Shuichi Maeda , Junwei Shen , Taku Misonou , Hirokazu Hori , Shinichiro Nakamura

Even though a few initial works have shown on small sets of data some level of bias in the performance of fingerprint recognition technology with respect to certain demographic groups, there is still not sufficient evidence to understand…

Computer Vision and Pattern Recognition · Computer Science 2024-10-07 Javier Galbally , Aleksandrs Cepilovs , Ramon Blanco-Gonzalo , Gillian Ormiston , Oscar Miguel-Hurtado , Istvan Sz. Racz

We report a new scheme of realizing terahertz fingerprint detection with ultrahigh sensitivity. Instead of using the direct absorption of terahertz through a bare sample in the regular transmission scheme, a cavity mode resonating at the…

Applied Physics · Physics 2017-06-08 Xiaomei Shi , Zhanghua Han

Fingerprint recognition systems, which rely on the unique characteristics of human fingerprints, are essential in modern security and verification applications. Accurate minutiae extraction, a critical step in these systems, depends on the…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Raffaele Cappelli

The Raman scattering of light by molecular vibrations offers a powerful technique to 'fingerprint' molecules via their internal bonds and symmetries. Since Raman scattering is weak, methods to enhance, direct and harness it are highly…

Embedding models have become essential tools in both natural language processing and computer vision, enabling efficient semantic search, recommendation, clustering, and more. However, the high memory and computational demands of…

Computation and Language · Computer Science 2024-11-26 Jiayi Chen , Chen Wu , Shaoqun Zhang , Nan Li , Liangjie Zhang , Qi Zhang

Odor detection underpins food safety, environmental monitoring, medical diagnostics, and many more fields. The current artificial sensors developed for odor detection struggle with complex mixtures while non-invasive recordings lack…

Machine Learning · Computer Science 2025-08-14 Matin Hassanloo , Ali Zareh , Mehmet Kemal Özdemir

Gas identification is one of the most important functions of gas sensor systems. To identify gas species from sensing signals, however, gas input patterns (e.g. the gas flow sequence) must be controlled or monitored precisely with…

Applied Physics · Physics 2019-07-24 Gaku Imamura , Kota Shiba , Genki Yoshikawa , Takashi Washio

Finger vein recognition (FVR) has emerged as a secure biometric technique because of the confidentiality of vascular bio-information. Recently, deep learning-based FVR has gained increased popularity and achieved promising performance.…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Xiu-Feng Huang , Lai-Man Po , Wei-Feng Ou

A method is presented for the sensing of water hardness by determining the concentration of calcium and magnesium in water, based on Fluorescence resonance energy transfer (FRET) process. The principle of the proposed sensor is based on the…

Materials Science · Physics 2014-09-16 Dibyendu Dey , D. Bhattacharjee , S. Chakraborty , Syed Arshad Hussain

Most of the existing works use projection functions for ternary quantization in discrete space. Scaling factors and thresholds are used in some cases to improve the model accuracy. However, the gradients used for optimization are inaccurate…

Computer Vision and Pattern Recognition · Computer Science 2022-12-27 Dan Liu , Xue Liu

We propose a learning method with feature selection for Locality-Sensitive Hashing. Locality-Sensitive Hashing converts feature vectors into bit arrays. These bit arrays can be used to perform similarity searches and personal…

Machine Learning · Computer Science 2012-10-12 Makiko Konoshima , Yui Noma

We present a new method for detecting and identifying bacteria by measuring impedance fluctuations (impedance noise) caused by ion release by the bacteria during phage infestation. This new method significantly increases the measured signal…

Instrumentation and Detectors · Physics 2014-07-22 Gabor Schmera , Laszlo B. Kish

We introduce FLEURS, the Few-shot Learning Evaluation of Universal Representations of Speech benchmark. FLEURS is an n-way parallel speech dataset in 102 languages built on top of the machine translation FLoRes-101 benchmark, with…

Computation and Language · Computer Science 2022-05-26 Alexis Conneau , Min Ma , Simran Khanuja , Yu Zhang , Vera Axelrod , Siddharth Dalmia , Jason Riesa , Clara Rivera , Ankur Bapna