Recognition Improvement in Ear Biometric System
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- 作者: Partha Pratim,Sarangi 追蹤 ? 追蹤作者後,您會在第一時間收到作者新書通知。
- 出版社: Ingram 追蹤 ? 追蹤出版社後,您會在第一時間收到出版社新書通知。
- 出版日:2022/12/31
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台灣
- 國內宅配:本島、離島
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內容簡介
Biometric systems have achieved a great deal of success for identity recognition of individuals in
most of the civilian, law-enforcement, and forensic applications in recent years. The ever increasing
popularity of biometric systems offer reliable identity recognition than traditional possession
and knowledge based approaches, as biometric characteristics cannot be shared, forgotten, or lost.
Biometric recognition operation refer to verification or identification of individuals based on physiological
or behavioral characteristics such as fingerprint, palmprint, iris, face, ear, gait, signature,
voice etc. Over last two decades, the ear has been predominantly attracted many researchers as an
emerging biometric trait due to its encouraging features such as uniqueness, consistent shape, high
acceptability, easy collectability, and passive biometrics.
Despite of several inherent advantages of ear biometrics, issues in uncontrolled scenarios such as
illumination variation, pose changes, poor contrast, partial occlusion, and presence of noise restrict
to increase recognition performance. This opportunity gives sufficient chance for the recognition
improvement in ear biometric system. This factor motivates us to investigate the potential of ear
biometric characteristic with 2-D imagery. Objective of this thesis is to improve recognition performance
of the ear based unimodal and multimodal biometric systems.
Since performance of the ear biometric system depends on accurate ear localization and proper ear
image enhancement operations, we propose automatic ear localization and ear image enhancement
methods. In this thesis, our first contribution is an automatic ear image enhancement approach which
is used to enhance the degraded input ear images prior to use for feature extraction and recognition
operations. Otherwise, it is difficult to extract more detail local features from the ear images that
impart a negative effect on the recognition performance. Hence, it is desirable to enhance the quality
of low contrast ear images before ear recognition task. In this work, we propose an computationally
efficient and parameter free Jaya meta-heuristic optimization algorithm for ear image enhancement.
In addition to enhance convergence rate, we incorporate mutation operator in the proposed enhancement
approach named as enhanced Jaya algorithm.
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