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2015 International Conference on Biometrics (ICB)最新文献

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Crowd powered latent Fingerprint Identification: Fusing AFIS with examiner markups 群体动力潜在指纹识别:融合AFIS与审查员标记
Pub Date : 2015-05-19 DOI: 10.1109/ICB.2015.7139062
Sunpreet S. Arora, Kai Cao, Anil K. Jain, Gregoire Michaud
Automatic matching of poor quality latent fingerprints to rolled/slap fingerprints using an Automated Fingerprint Identification System (AFIS) is still far from satisfactory. Therefore, it is a common practice to have a latent examiner mark features on a latent for improving the hit rate of the AFIS. We propose a synergistic crowd powered latent identification framework where multiple latent examiners and the AFIS work in conjunction with each other to boost the identification accuracy of the AFIS. Given a latent, the candidate list output by the AFIS is used to determine the likelihood that a hit at rank-1 was found. A latent for which this likelihood is low is crowdsourced to a pool of latent examiners for feature markup. The manual markups are then input to the AFIS to increase the likelihood of making a hit in the reference database. Experimental results show that the fusion of an AFIS with examiner markups improves the rank-1 identification accuracy of the AFIS by 7.75% (using six markups) on the 500 ppi NIST SD27, 11.37% (using two markups) on the 1000 ppi ELFT-EFS public challenge database, and by 2.5% (using a single markup) on the 1000 ppi RS&A database against 250,000 rolled prints in the reference database.
使用自动指纹识别系统(AFIS)自动匹配质量差的潜在指纹和卷/巴掌指纹仍然远远不能令人满意。因此,为了提高AFIS的命中率,通常的做法是让潜考官在潜上标记特征。我们提出了一个协同的群体驱动的潜在识别框架,其中多个潜在审查员和AFIS相互协作,以提高AFIS的识别准确性。给定一个潜在值,AFIS输出的候选列表用于确定在rank-1找到命中的可能性。可能性较低的潜在对象被众包给一群潜在的特征标记审查员。然后将手动标记输入到AFIS,以增加在参考数据库中命中的可能性。实验结果表明,AFIS与审查员标记的融合在500 ppi的NIST SD27上提高了7.75%(使用6个标记),在1000 ppi的ELFT-EFS公共挑战数据库上提高了11.37%(使用2个标记),在1000 ppi的RS&A数据库上提高了2.5%(使用单个标记),对照参考数据库中的250,000卷印刷品。
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引用次数: 11
Optimal feature selection and inter-operability compensation for on-line biometric signature authentication 在线生物特征签名认证的最优特征选择与互操作性补偿
Pub Date : 2015-05-19 DOI: 10.1109/ICB.2015.7139047
Rubén Tolosana, R. Vera-Rodríguez, J. Ortega-Garcia, Julian Fierrez
Due to the technological evolution and the increasing popularity of smartphones, people can access an application with many different devices. This device interoperability is a very challenging problem for biometrics. In this paper we focus on inter-operability device compensation for on-line signature verification. The proposed approach is based on two main stages. The first one is a preprocessing stage where data acquired from different devices are processed in order to normalize the signals in similar ranges. The second one is based on a feature selection of time functions taking into account the inter-operability device comparisons in order to select features which are robust in these conditions. The experimental work has been carried out with Biosecure database using a Wacom tablet (DS2) and a PDA tablet (DS3), and the system developed is based on dynamic time warping (DTW) elastic measure over the selected time functions. The performance of the proposed system is very similar compared to an ideal system. Also, the proposed approach provides average relative improvements for the cases of inter-operability comparisons of 26.5% for random forgeries and, around 14.2% for the case of skilled forgeries comparing the results with the case of having a system specifically tuned for each device, proving the robustness of the proposed approach. These results open the door for future works using devices as smartphones or tablets, commonly used nowadays.
由于技术的发展和智能手机的日益普及,人们可以使用许多不同的设备访问应用程序。这种设备的互操作性对生物识别技术来说是一个非常具有挑战性的问题。本文主要研究在线签名验证的互操作性设备补偿问题。建议的方法基于两个主要阶段。第一个是预处理阶段,处理从不同设备获取的数据,以便在相似范围内对信号进行归一化。第二种方法基于考虑互操作性设备比较的时间函数的特征选择,以便选择在这些条件下具有鲁棒性的特征。利用Wacom平板电脑(DS2)和PDA平板电脑(DS3)在Biosecure数据库上进行了实验工作,开发的系统基于对选定时间函数的动态时间规整(DTW)弹性测量。与理想系统相比,所提出系统的性能非常相似。此外,所提出的方法为随机伪造的互操作性比较提供了26.5%的平均相对改进,对于熟练伪造的情况,将结果与为每个设备专门调整系统的情况进行比较,约为14.2%,证明了所提出方法的鲁棒性。这些结果为未来使用智能手机或平板电脑等设备的作品打开了大门。
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引用次数: 8
Recompression effects in iris segmentation 虹膜分割中的再压缩效果
Pub Date : 2015-05-19 DOI: 10.1109/ICB.2015.7139040
Thomas Bergmüller, Eleftherios Christopoulos, Martin Schnoell, A. Uhl
Rating a compression algorithm's performance is usually done in experimental studies, where researchers have frequently used JPEG pre-compressed data. It is not clear yet, whether results of such compression experiments are reliable if conducted from pre-compressed data. To investigate this issue, we study the impact of using pre-compressed data on iris segmentation and evaluate the relation between iris segmentation performance and general quality metrics. Furthermore we propose a method to overcome potential problems in case using pre-compressed data sets cannot be avoided, e.g. for reasons of ground-truth availability.
对压缩算法的性能进行评级通常是在实验研究中完成的,研究人员经常使用JPEG预压缩数据。如果使用预压缩数据,这种压缩实验的结果是否可靠,目前还不清楚。为了研究这一问题,我们研究了使用预压缩数据对虹膜分割的影响,并评估了虹膜分割性能与一般质量指标之间的关系。此外,我们提出了一种方法来克服在无法避免使用预压缩数据集的情况下的潜在问题,例如由于真实值可用性的原因。
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引用次数: 3
Color local phase quantization (CLPQ)- A new face representation approach using color texture cues 颜色局部相位量化(CLPQ)-一种使用颜色纹理线索的新的人脸表示方法
Pub Date : 2015-05-19 DOI: 10.1109/ICB.2015.7139049
Akanksha Joshi, A. Gangwar
In this paper, we introduce new methods to encode color local texture features for enhanced face representation. In particular, we first propose a novel descriptor; color local phase quantization (CLPQ), which incorporates (channel-wise) unichrome and (cross channel) opponent features in frequency domain. Furthermore, we extend the CLPQ descriptor to multiple scales i.e. multiscale color LPQ (MS-CLPQ), which exploits the complementary information in different scales. In addition, we extend the multispectral LBP to multiple scales and propose multiscale color LBP (MS-CLBP), which provides illumination invariance and extracts features in spatial domain. To formulate the proposed color local texture descriptors, the unichrome and opponent features are combined using image-level fusion strategy and final representation of the descriptors is obtained using concatenation of regional histograms. To reduce high dimensionality of features, we applied Direct LDA, which also enhances the discrimination ability of the descriptors. The experimental analysis illustrates that proposed MS-CLPQ approach significantly outperforms other descriptor based approaches for face recognition (FR) and score level fusion of MS-CLPQ and MS-CLBP further improves the FR performance and robustness. The validity of the proposed approaches is ascertained by providing comprehensive comparisons on three challenging face databases; FRGC 2.0, GTDB and PUT.
在本文中,我们引入了新的方法来编码颜色局部纹理特征,以增强人脸表示。特别地,我们首先提出了一个新的描述符;彩色局部相位量化(CLPQ),它在频域上结合了(信道)单色和(跨信道)对手特征。此外,我们将CLPQ描述符扩展到多尺度,即多尺度颜色LPQ (MS-CLPQ),它利用了不同尺度上的互补信息。此外,我们将多光谱LBP扩展到多尺度,提出了多尺度彩色LBP (MS-CLBP),该方法提供了光照不变性和空间域特征提取。为了形成所提出的颜色局部纹理描述符,使用图像级融合策略将单色特征和对手特征结合起来,并使用区域直方图拼接获得描述符的最终表示。为了降低特征的高维数,我们采用了直接LDA,提高了描述符的识别能力。实验分析表明,所提出的MS-CLPQ方法显著优于其他基于描述符的人脸识别方法,并且MS-CLPQ和MS-CLBP的评分水平融合进一步提高了人脸识别性能和鲁棒性。通过对三个具有挑战性的人脸数据库进行综合比较,确定了所提出方法的有效性;frgc2.0, GTDB和PUT。
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引用次数: 6
Annotated crowd video face database 标注人群视频人脸数据库
Pub Date : 2015-05-19 DOI: 10.1109/ICB.2015.7139083
Tejas I. Dhamecha, Priyanka Verma, Mahek Shah, Richa Singh, Mayank Vatsa
Research in face recognition under constrained environment has achieved an acceptable level of performance. However, there is a significant scope for improving face recognition capabilities in unconstrained environment including surveillance videos. Such videos are likely to record multiple people within the field of view. Face recognition in such a setting poses a set of challenges including unreliable face detection, multiple subjects performing different actions, low resolution, and sensor interoperability. In general, existing video face databases contain one subject in a video sequence. However, real world video sequences are more challenging and generally contain more than one person in a video. Therefore, in this paper, we provide an annotated crowd video face (ACVF-2014) database, along with face landmark information to encourage research in this important problem. The ACVF-2014 dataset contains 201 videos of 133 subjects where each video contains multiple subjects. We provide two distinct use-case scenarios, define their experimental protocols, and report baseline verification results using OpenBR and FaceVACS. The results show that both the baseline results do not yield more than 0.16 genuine accept rate @ 0.01 false accept rate. A software package is also developed to help researchers evaluate their systems using the defined protocols.
约束环境下人脸识别的研究已经达到了可以接受的性能水平。然而,在监控视频等不受约束的环境下,人脸识别能力的提高还有很大的空间。这样的视频很可能会在视野范围内记录多个人。在这种情况下,人脸识别带来了一系列挑战,包括不可靠的人脸检测、多受试者执行不同的动作、低分辨率和传感器互操作性。一般来说,现有的视频人脸数据库在一个视频序列中包含一个主题。然而,真实世界的视频序列更具挑战性,通常在一个视频中包含不止一个人。因此,在本文中,我们提供了一个标注人群视频人脸(ACVF-2014)数据库,以及人脸地标信息,以鼓励对这一重要问题的研究。ACVF-2014数据集包含133个主题的201个视频,其中每个视频包含多个主题。我们提供了两个不同的用例场景,定义了它们的实验协议,并使用OpenBR和FaceVACS报告了基线验证结果。结果表明,这两个基线结果不产生超过0.16真实接受率@ 0.01假接受率。还开发了一个软件包,以帮助研究人员使用定义的协议评估他们的系统。
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引用次数: 7
On the vulnerability of palm vein recognition to spoofing attacks 手掌静脉识别对欺骗攻击的脆弱性研究
Pub Date : 2015-05-19 DOI: 10.1109/ICB.2015.7139056
Pedro Tome, S. Marcel
The vulnerability of palm vein recognition to spoofing attacks is studied in this paper. A collection of spoofing palm vein images has been created from real palm vein samples. Palm vein images are printed using a commercial printer and then, presented at a contactless palm vein sensor. Experiments are carried out using an extensible framework, which allows fair and reproducible benchmarks. Results are presented comparing two automatic segmentations. Experimental results lead to a spoofing false accept rate of 65%, thus showing that palm vein biometrics is vulnerable to spoofing attacks, pointing out the importance to investigate countermeasures against this type of fraudulent actions. A study based on the number of the enrolment samples is also reported, demonstrating a relationship between the number of enrolment samples and the vulnerability of the system to spoofing.
研究了掌纹识别对欺骗攻击的脆弱性。从真实的手掌静脉样本中创建了一个欺骗手掌静脉图像的集合。使用商用打印机打印手掌静脉图像,然后在非接触式手掌静脉传感器上呈现。实验使用可扩展的框架进行,这允许公平和可重复的基准。比较了两种自动分割的结果。实验结果表明,欺骗的误接受率为65%,从而表明手掌静脉生物识别容易受到欺骗攻击,指出研究针对此类欺诈行为的对策的重要性。本文还报道了一项基于注册样本数量的研究,证明了注册样本数量与系统易受欺骗的关系。
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引用次数: 70
Multi-modal authentication system for smartphones using face, iris and periocular 智能手机人脸、虹膜、眼周多模态认证系统
Pub Date : 2015-05-19 DOI: 10.1109/ICB.2015.7139044
K. Raja, Ramachandra Raghavendra, Martin Stokkenes, C. Busch
Secure authentication for smartphones is becoming important for many applications such as financial transactions. Until today PIN and password authentication are the most commonly used methods for smartphone access control. Specifically for a PIN and limited length passwords, the level of security is low and thus can be compromised easily. In this work, we propose a multi-modal biometric system, which uses face, periocular and iris biometric characteristics for authentication. The proposed system is tested on two different devices - Samsung Galaxy S5 smartphone and Samsung Galaxy Note 10.1 tablet. An extensive set of experiments conducted using the proposed system shows the applicability for secure authentication scenarios. The proposed system is tested using uni-modal and multi-modal approach. An Equal Error Rate (EER) of 0.68% is obtained from the experiments validating the robust performance of the proposed system.
智能手机的安全认证在金融交易等许多应用中变得越来越重要。直到今天,PIN和密码认证是智能手机访问控制最常用的方法。特别是对于PIN和有限长度的密码,安全级别很低,因此很容易受到损害。在这项工作中,我们提出了一种多模态生物识别系统,该系统使用面部、眼周和虹膜生物特征进行身份验证。该系统在两种不同的设备上进行了测试——三星Galaxy S5智能手机和三星Galaxy Note 10.1平板电脑。使用该系统进行的大量实验表明,该系统适用于安全认证场景。采用单模态和多模态方法对系统进行了测试。实验结果表明,该系统的鲁棒性良好,误差率为0.68%。
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引用次数: 86
On the spatial inhomogeneity of fingerprint minutiae: A regression approach 指纹细节的空间非均匀性:一种回归方法
Pub Date : 2015-05-19 DOI: 10.1109/ICB.2015.7139064
Shuiwang Li, Yi Alice Wang, Qijun Zhao, Yi Zhang
Fingerprint minutiae distribution plays a critical role in studies such as fingerprint individuality for strengthening the scientific validity of fingerprint evidence and generating synthetic fingerprints for large-scale system evaluations. Fingerprint minutiae are not uniformly distributed as once assumed. Spatial inhomogeneity has been found in minutiae distribution, yet it is not clear what underlies the pattern and affects the random process. In this paper, we quantitatively study the spatial inhomogeneity of minutiae distribution with respect to the level-1 features of singular points and ridge orientation field. We propose a minutiae intensity function to measure the spatial inhomogeneity and a kernel regression model to characterize the relationship between minutiae intensity and the level-1 features. Our statistical experiments on benchmark fingerprint databases show that: 1) the examined level-1 features partially explain regular variation of minutiae spatial distribution; 2) there remain significant fraction of variations unexplained, suggesting additional propositions. These results provide better understanding of the experiential probability of a random correspondence for fingerprint minutiae distribution modelling.
指纹细节分布对于增强指纹证据的科学有效性和生成用于大规模系统评价的合成指纹具有重要意义。指纹细节并不像以前假设的那样均匀分布。在细部分布中发现了空间不均匀性,但尚不清楚是什么导致了这种模式并影响了随机过程。本文从奇异点和脊方向场的一级特征出发,定量研究了细部分布的空间非均匀性。在此基础上,我们提出了一种测量空间非均匀性的细部强度函数和一种描述细部强度与一级特征之间关系的核回归模型。我们在基准指纹数据库上的统计实验表明:①所检验的一级特征部分解释了细微特征空间分布的规律性变化;2)仍然有相当一部分的变化无法解释,这表明了额外的命题。这些结果为指纹细节分布建模的随机对应的经验概率提供了更好的理解。
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引用次数: 0
The ICB-2015 Competition on Finger Vein Recognition ICB-2015手指静脉识别大赛
Pub Date : 2015-05-19 DOI: 10.1109/ICB.2015.7139080
Ran Xian, Liao Ni, Wenxin Li
Finger vein recognition is a newly developed and promising biometrics technology. To facilitate evaluation in this area and study state-of-the-art performance of the finger vein recognition algorithms, we organized The ICB-2015 Competition on Finger Vein Recognition (ICFVR2015). This competition is held on a general recognition algorithm evaluation platform called RATE, with 3 data sets collected from volunteers and actual usage. 7 algorithms were finally submitted, with the best EER achieving 0.375%. This paper will first introduce the organization of the competition and RATE, then describe data sets and test protocols, and finally present results of the competition.
手指静脉识别是一项新兴的生物识别技术。为了促进这一领域的评估并研究手指静脉识别算法的最新性能,我们组织了ICB-2015手指静脉识别竞赛(ICFVR2015)。本次比赛在一个通用的识别算法评估平台RATE上进行,从志愿者那里收集了3组数据并进行了实际使用。最终提交了7种算法,最佳EER达到0.375%。本文将首先介绍比赛的组织和RATE,然后描述数据集和测试协议,最后介绍比赛结果。
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引用次数: 14
The 1st Competition on Counter Measures to Finger Vein Spoofing Attacks 首届手指静脉欺骗攻击对策竞赛
Pub Date : 2015-05-19 DOI: 10.1109/ICB.2015.7139067
Pedro Tome, Ramachandra Raghavendra, C. Busch, Santosh Tirunagari, N. Poh, B. H. Shekar, Diego Gragnaniello, Carlo Sansone, L. Verdoliva, S. Marcel
The vulnerability of finger vein recognition to spoofing attacks has emerged as a crucial security problem in the recent years mainly due to the high security applications where biometric technology is used. Recent works shown that finger vein biometrics is vulnerable to spoofing attacks, pointing out the importance to investigate counter-measures against this type of fraudulent actions. The goal of the 1st Competition on Counter Measures to Finger Vein Spoofing Attacks is to challenge researchers to create counter-measures that can detect printed attacks effectively. The submitted approaches are evaluated on the Spoofing-Attack Finger Vein Database and the achieved results are presented in this paper.
近年来,由于生物识别技术的高安全性应用,手指静脉识别容易受到欺骗攻击已成为一个重要的安全问题。最近的研究表明,手指静脉生物识别技术很容易受到欺骗攻击,指出了调查针对这类欺诈行为的对策的重要性。第一届手指静脉欺骗攻击对策竞赛的目标是挑战研究人员创建能够有效检测打印攻击的对策。在欺骗攻击手指静脉数据库上对所提出的方法进行了评估,并给出了取得的结果。
{"title":"The 1st Competition on Counter Measures to Finger Vein Spoofing Attacks","authors":"Pedro Tome, Ramachandra Raghavendra, C. Busch, Santosh Tirunagari, N. Poh, B. H. Shekar, Diego Gragnaniello, Carlo Sansone, L. Verdoliva, S. Marcel","doi":"10.1109/ICB.2015.7139067","DOIUrl":"https://doi.org/10.1109/ICB.2015.7139067","url":null,"abstract":"The vulnerability of finger vein recognition to spoofing attacks has emerged as a crucial security problem in the recent years mainly due to the high security applications where biometric technology is used. Recent works shown that finger vein biometrics is vulnerable to spoofing attacks, pointing out the importance to investigate counter-measures against this type of fraudulent actions. The goal of the 1st Competition on Counter Measures to Finger Vein Spoofing Attacks is to challenge researchers to create counter-measures that can detect printed attacks effectively. The submitted approaches are evaluated on the Spoofing-Attack Finger Vein Database and the achieved results are presented in this paper.","PeriodicalId":237372,"journal":{"name":"2015 International Conference on Biometrics (ICB)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123980556","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 53
期刊
2015 International Conference on Biometrics (ICB)
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