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2011 International Conference on Hand-Based Biometrics最新文献

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A Novel Composite Framework for Large-Scale Fingerprint Database Indexing and Fast Retrieval 一种新的大规模指纹数据库索引与快速检索复合框架
Pub Date : 2011-12-05 DOI: 10.1109/ICHB.2011.6094349
Ruyi Zheng, Chao Zhang, Shihua He, Pengwei Hao
This paper addresses the problem of fast fingerprint retrieval in a large database using clustering-based descriptors. Common solutions fall into two categories: classification and indexing. However, those methods only use one form for space narrowing and neglecting the complementary uniqueness of classification and indexing. In addition, there are two major problems in fingerprint identification: partialness and non-linear distortion. Recently, many proposed features focus on global and minutia information and both of them can not deal well with those two problems. This paper has three contributions. First, it proposes a composite classification-indexing-retrieval framework that greatly reduces time complexity. Second, clustering-based descriptors are extracted for indexing so that the search space is narrowed largely. Third, the class-jumping principle (CJP) is proposed to determine the correctness of classification and handle the problem of misclassification.
本文利用基于聚类的描述符解决了在大型数据库中快速检索指纹的问题。常见的解决方案分为两类:分类和索引。然而,这些方法只使用一种形式来缩小空间,而忽略了分类与标引的互补唯一性。此外,指纹识别还存在两大问题:偏性和非线性失真。目前提出的特征特征主要关注全局信息和细节信息,但两者都不能很好地解决这两个问题。这篇论文有三个贡献。首先,提出了一个复合的分类-索引-检索框架,大大降低了时间复杂度。其次,提取基于聚类的描述符用于索引,从而大大缩小了搜索空间。第三,提出了类跳跃原则(CJP)来确定分类的正确性,处理错误分类问题。
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引用次数: 9
Band Selection for Improvement of Dorsal Hand Recognition 改进手背识别的波段选择
Pub Date : 2011-12-05 DOI: 10.1109/ICHB.2011.6094333
Kai Chen, David Zhang
In order to study the relationship between recognition performance of dorsal hand and spectra including visible and near-infrared light, a multispectral image capture system is established in this study, and it works well on the spectra with the wavelength from 520nm to 1040nm. The optimal band is considered to have the most effective features for recognition. Line feature extraction method is adopted regardless of the texture types. EER are calculated to reflect the differentiating ability across all bands after matching process. The spectrum of 880nm is testified to have the best performance of verification.
为了研究手背的识别性能与可见光和近红外光光谱之间的关系,本研究建立了一个多光谱图像捕获系统,该系统在波长为520nm ~ 1040nm的光谱上表现良好。最优波段被认为具有最有效的识别特征。无论纹理类型如何,均采用线特征提取方法。通过计算EER来反映匹配处理后各波段的区分能力。880nm的光谱被证明具有最佳的验证性能。
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引用次数: 14
Palmprint Verification on Mobile Phones Using Accelerated Competitive Code 使用加速竞争代码的手机掌纹验证
Pub Date : 2011-12-05 DOI: 10.1109/ICHB.2011.6094309
Marc Franzgrote, C. Borg, Benjamin J. Tobias Ries, S. Bussemaker, Xiaoyi Jiang, Michael Fieleser, Lei Zhang
With the rapid development of the mobile communication market the need for mobile biometrics emerges. This is a novel research topic within biometrics and not much work has been done in the past. This paper presents the initial work of a long-term project towards a robust mobile palmprint verification system. We develop a hand orientation normalization method which makes the palmprint acquisition on a mobile phone practical for casual use. The competitive code is adopted and accelerated for fast code matching. A performance study is performed on a dataset acquired using an iPhone. The achieved results provide a credible indication of the potential of palmprint verification in a mobile context and motivate further work.
随着移动通信市场的快速发展,对移动生物识别技术的需求应运而生。这是生物计量学中一个比较新颖的研究课题,过去的研究还不多。本文介绍了一个长期项目的初步工作,以实现一个强大的移动掌纹验证系统。我们开发了一种手部方向归一化方法,使在手机上的掌纹采集变得实用。采用竞争码,并对其进行加速,实现了快速的代码匹配。对使用iPhone获取的数据集进行性能研究。所取得的结果提供了一个可信的指示掌纹验证在移动环境中的潜力,并激励进一步的工作。
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引用次数: 30
Palmprint Identification Using LBP and Different Representations 基于LBP和不同表示的掌纹识别
Pub Date : 2011-12-05 DOI: 10.1109/ICHB.2011.6094301
Yang Zhao, Wei Jia, Rongxiang Hu, Jie Gui
In this paper, a new Local Binary Pattern (LBP) and Local Ternary Pattern (LBP) based palmprint identification method is proposed. In our method, LBP or LTP descriptor is applied to the energy or direction representations of palmprint extracted by the modified finite radon transformation (MFRAT). Experimental results obtained from the Hong Kong Polytechnic University (PolyU) Palmprint Database demonstrate that the proposed method has higher identification rates than other LBP based methods.
本文提出了一种基于局部二值模式和局部三值模式的掌纹识别方法。在我们的方法中,LBP或LTP描述符应用于由修正有限氡变换(MFRAT)提取的掌纹的能量或方向表示。基于香港理工大学掌纹数据库的实验结果表明,该方法比其他基于LBP的方法具有更高的识别率。
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引用次数: 8
Hand-Dorsa Vein Recognition Based on Coded and Weighted Partition Local Binary Patterns 基于编码和加权分割局部二值模式的手背静脉识别
Pub Date : 2011-12-05 DOI: 10.1109/ICHB.2011.6094331
Yiding Wang, Kefeng Li, L. Shark, M. Varley
In this paper, a new feature descriptor is presented and proposed for personal verification based on near infrared images of hand-dorsa veins. This new feature descriptor is a modification of the previously proposed partition local binary patterns (PLBP) by adding feature weighting and error correction coding (ECC). While addition of feature weighting aims to reduce the influence of insignificant local binary patterns, addition of ECC aims to increase the distances between feature classes by utilizing the systematic redundancy that has been widely used to achieve reliable data transmission in noisy channels. Using a large database with more than two thousand hand-dorsa vein images, the resulting new feature descriptor, named Coded and Weighted PLBP (WCPLBP), is shown to be more effective than the original PLBP without feature weighting and ECC, and offers a better performance in recognition of hand-dorsa vein images with a correct recognition rate reaching approximately 99% using a simple nearest neighbor classifier.
本文提出了一种新的基于手背静脉近红外图像的个人验证特征描述符。这种新的特征描述符是对先前提出的分区局部二进制模式(PLBP)的改进,增加了特征加权和纠错编码(ECC)。增加特征权重的目的是减少局部二值模式不显著的影响,而增加ECC的目的是利用系统冗余来增加特征类之间的距离,系统冗余已被广泛用于在噪声信道中实现可靠的数据传输。利用2000多张手背静脉图像的大型数据库,所得到的新的特征描述符,称为编码加权PLBP (WCPLBP),比没有特征加权和ECC的原始PLBP更有效,并且在识别手背静脉图像方面提供了更好的性能,使用简单的最近邻分类器,正确识别率达到约99%。
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引用次数: 23
Orthogonal Complex Locality Preserving Projections Based on Image Space Metric for Finger-Knuckle-Print Recognition 基于图像空间度量的正交复保局域投影指关节指纹识别
Pub Date : 2011-12-05 DOI: 10.1109/ICHB.2011.6094327
Xiaoyuan Jing, Wen-Qian Li, Chao Lan, Yong-Fang Yao, Xi Cheng, Lu Han
Manifold structure is important for a data set, and many subspace learning methods tend to preserve this structure in the learning process. In this paper, we simultaneously consider distances and angles between image data vectors to measure data similarities, in hope of more sufficiently capturing the manifold structure. In order to highlight the distinctions among angles between different data, and enhance the complementary information of angles compared with distance, we propose a new type of image angle measurement in a shifted image space that centered at the data mean. Both angle and distance are fused using the parallel fusion strategy, based on which we propose the complex locality preserving projections (CLPP) to extract low dimensional features that can better preserve the manifold structure of input data set. In order to remove redundant information among features, we further extend CLPP to the orthogonal complex locality preserving projections (OCLPP) approach, which produces orthogonal basis functions. Experimental results on PolyU finger-knuckle-print database show the effectiveness of our proposed approaches, which achieve better recognition performance compared with related mainfold-preserving learning methods.
流形结构对数据集非常重要,许多子空间学习方法在学习过程中都倾向于保持流形结构。在本文中,我们同时考虑图像数据向量之间的距离和角度来度量数据相似度,以期更充分地捕获流形结构。为了突出不同数据之间角度的差异,增强角度与距离的互补性信息,提出了一种以数据均值为中心的移位图像空间中图像角度测量的新方法。采用平行融合策略对角度和距离进行融合,并在此基础上提出了复杂局域保持投影(CLPP)方法来提取能更好地保留输入数据集流形结构的低维特征。为了去除特征之间的冗余信息,我们将CLPP进一步扩展为正交复局部保持投影(OCLPP)方法,该方法产生正交基函数。在理大手指指关节指纹数据库上的实验结果表明了该方法的有效性,与相关的保主学习方法相比,取得了更好的识别效果。
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引用次数: 22
The Driver Authentication Device Based on the Characteristics of Palmprint and Palm Vein 基于掌纹和掌纹特征的驾驶员身份验证装置
Pub Date : 2011-12-05 DOI: 10.1109/ICHB.2011.6094336
Wei-qi Yuan, Yonghua Tang
Due to computer chip keys of the car and other purely electronic anti-theft means easy to be cracked, proposed to verify the legal identity of the user through dual-mode biometric based on palm print and palm vein, before launching vehicle. Ensure that it is very difficult to drive away the car without the agreement of the owner, even the car chip key cracked. According to vehicle characteristics, a two-way system structure is designed, which respectively to complete the image acquisition, parameter setting and transmission and the corresponding data processing and control, etc, in order to not destroy the appearance of the original structure, while adapting to limited space of the cab car.
由于汽车的电脑芯片钥匙等纯电子防盗手段容易被破解,建议在车辆投放前通过基于掌纹和掌纹的双模生物识别技术验证用户合法身份。保证在没有车主同意的情况下将车开走是非常困难的,即使是汽车芯片钥匙开裂。根据车辆特点,设计了双向系统结构,分别完成图像采集、参数设置与传输以及相应的数据处理与控制等,以不破坏原有结构的外观,同时适应驾驶室有限的空间。
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引用次数: 20
Keyed Scalable Minutiae Coding 关键可扩展的细节编码
Pub Date : 2011-12-05 DOI: 10.1109/ICHB.2011.6094296
Bian Yang, C. Busch
We propose in this paper a keyed coding method to convert standardized fingerprint minutiae to randomized binary vectors. The geometric relationship among neighboring minutiae is encoded in a scalable way and thus the coding / comparison complexity and biometric performance can be adjusted through modifying the number of neighboring minutiae involved in score vector generation. Each encoded minutia has been self-aligned and has a binary form thus can be individually compared using Hamming distance in high efficiency. Key-controlled permutation and exclusive-or are used to gain diversifiability and security for the encoded minutiae template. Experimental results over the public database FVC2002DB2_A demonstrate high biometric performance by the proposed method. Besides the lightweight security achieved by the proposed method, the binary minutiae codes are easy to combine external cryptographic mechanisms and secure protocols for enhanced protection.
本文提出了一种将标准化指纹细节特征转换为随机化二值向量的密钥编码方法。相邻细节点之间的几何关系以可扩展的方式进行编码,从而可以通过修改分数向量生成中涉及的相邻细节点的数量来调整编码/比较复杂度和生物特征性能。每个编码细节都是自对齐的,并且具有二进制形式,因此可以使用汉明距离进行高效的单独比较。使用键控排列和排他或来获得编码细节模板的多样性和安全性。在公共数据库FVC2002DB2_A上的实验结果表明,该方法具有较高的生物识别性能。该方法不仅具有轻量级的安全性,而且易于将外部密码机制和安全协议相结合,从而增强了安全性。
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引用次数: 3
PCA-Based Multispectral Band Compression and Multispectral Palmprint Recognition 基于pca的多光谱波段压缩与多光谱掌纹识别
Pub Date : 2011-12-05 DOI: 10.1109/ICHB.2011.6094303
Yong Xu, Qiong-xia Zhu
In this paper, we propose a PCA-based spectral band compression and multispectral palmprint recognition method. This method first exploits PCA to compress original multispectral bands to a smaller number of 'bands' and then uses the compressed bands to classify palmprint images. The experimental results show that our proposed PCA-based spectral band compression and recognition method can use very low-dimensional data to represent the original multispectral palmprint images and obtain a high classification accuracy.
本文提出了一种基于pca的光谱波段压缩和多光谱掌纹识别方法。该方法首先利用PCA将原始的多光谱波段压缩为更少的“波段”,然后使用压缩后的波段对掌纹图像进行分类。实验结果表明,本文提出的基于pca的光谱波段压缩与识别方法可以使用非常低维的数据来表示原始多光谱掌纹图像,并获得较高的分类精度。
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引用次数: 2
A Detection Method of Palmprint Principal Lines Based on Local Minimum Gray Value and Line Following 基于局部最小灰度值和直线跟踪的掌纹主线检测方法
Pub Date : 2011-12-05 DOI: 10.1109/ICHB.2011.6094300
Wei-qi Yuan, Seng-Fong Lin, Haibin Tong, Shudong Liu
A novel detection method of palmprint principal lines is proposed, which employs the priori knowledge of statistical properties about palm lines. Firstly, considering the particular direction of principal lines and the feature of their valley type edges, only one directional template of 45 degrees based on local minimum gray value is used to segment palmprint, and it can significantly reduce the excessive noise that multi-directional templates may bring. Next, a following method of the principal lines is employed, and another linking algorithm for the broken lines is devised. Compared with the existing methods, this scheme can limit principal lines detection in a small area, and trace the principal lines in a certain direction, thus it can effectively avoid the problem of blind searching and enhance the robustness. Finally, an index called "extraction rate"(ER) is defined to evaluate the effect of the proposed approach. The experiments based on the palmprint database of Hong Kong University of Science and Technology (HKUST) show that the extraction rate is 86.67%, and the principal lines are complete. Therefore this method can provide a good support for palmprint identification or other multimodal person identification.
提出了一种新的掌纹主纹检测方法,该方法利用掌纹统计特性的先验知识进行掌纹主纹检测。首先,考虑到主线的特定方向及其谷型边缘的特点,只使用一个基于局部最小灰度值的45度方向模板对掌纹进行分割,可以显著降低多方向模板可能带来的过多噪声;其次,采用主线的跟随法,并设计了折线的另一种连接算法。与现有方法相比,该方案可以将主线检测限制在一个小区域内,并在一定方向上跟踪主线,从而有效地避免了盲搜索问题,增强了鲁棒性。最后,定义了一个称为“提取率”(ER)的指标来评价所提出方法的效果。基于香港科技大学掌纹数据库的实验表明,提取率为86.67%,主纹完整。因此,该方法可以为掌纹识别或其他多模态人的身份识别提供很好的支持。
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引用次数: 7
期刊
2011 International Conference on Hand-Based Biometrics
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