Essays about: "fingerprint enhancement"

Showing result 1 - 5 of 11 essays containing the words fingerprint enhancement.

  1. 1. Fingerprint Synthesis Using Deep Generative Models

    University essay from Lunds universitet/Matematik LTH

    Author : Weizhong Tang; Diego André Figueroa Llamosas; [2023]
    Keywords : Fingerprint Synthesis; Deep Generative Models; Style Transfer; Metrics; Technology and Engineering;

    Abstract : The advancements in biometric technology have amplified the need for more robust fingerprint synthesis techniques. In this thesis, we first explored the application of synthesizing normal fingerprint images in high fidelity using deep generative models (e.g. READ MORE

  3. 2. Development of Spectroscopic Measurements for Raman and Thomson Scattering Diagnostics ——Applications in Combustion and Plasma

    University essay from Lunds universitet/Fysiska institutionen; Lunds universitet/Förbränningsfysik

    Author : Miaoxin Gong; [2019]
    Keywords : Raman scattering; Raman spectroscopy; Thomson scattering; stray light suppression; periodic shadowing; high dynamic range imaging; digital micro-mirror device; DMD; laminar flames; combustion; gas discharge; plasma; laser diagnostics; spectrometer; improved spectroscopy; spectroscopy; Physics and Astronomy;

    Abstract : This thesis work concerns methods for improved spectroscopy including stray-light suppression, dynamic range improvement and signal enhancement. These methods were applied in Raman and Thomson- scattering spectroscopy in combustion and plasma. READ MORE

  4. 3. Performance Comparison of Image Enhancement Algorithms Evaluated on Poor Quality Images

    University essay from Blekinge Tekniska Högskola/Institutionen för tillämpad signalbehandling

    Author : Aravind Eswar Ravi Raja Kotha; Lakshmi Ratna Hima Rajitha Majety; [2017]
    Keywords : Image Enhancement; Retinex; Bilateral Filter; Bilateral Tone Adjustment; PSNR; Entropy; AFIS;

    Abstract : Many applications require automatic image analysis for different quality of the input images. In many cases, the quality of acquired images is suitable for the purpose of the application. However, in some cases the quality of the acquired image has to be modified according to needs of a specific application. READ MORE

  5. 4. Fingerprint image enhancement and minutiae extraction algorithm

    University essay from Linnéuniversitetet/Institutionen för fysik och elektroteknik (IFE)

    Author : Letian Cao; Yazhou Wang; [2017]
    Keywords : Fingerprints; Minutiae; Algorithm; Simulation; Normalization; Segmentation; Orientation; Extraction; Binarization; Thinning;

    Abstract : This work aims to study the procedures of fingerprint identification system and to present some efficient algorithms for pre-processing and minutiae extraction. Most pre-processing steps consist of normalization, segmentation and orientation estimation, and background which focus on decreasing the variance of fingerprints, separating fore and background areas and tracking the direction of ridge lines, respectively. READ MORE

  6. 5. The Implementation of A Fingerprint Enhancement System Based on GPU via CUDA

    University essay from Blekinge Tekniska Högskola/Institutionen för tillämpad signalbehandling

    Author : Kaiyuan Yang; Fuliang Wang; [2017]
    Keywords : Adaptive Fingerprint Enhancement; CUDA; Parallel Programming; GPU Programming;

    Abstract : In order to reduce the large execution time of an existing fingerprint enhancement system, a parallel implementation method based on GPU via CUDA is proposed. Firstly, the necessity and feasibility of employing parallel programming for the whole system are analyzed. READ MORE