Monday, June 13, 2011

Session 1: Video Analysis
1-1 Classification of Pedestrian Behavior in a Shopping Mall based on LRF and Camera Observations 1
Kotaro Okamoto, Akira Utsumi,Tetsushi Ikeda, Hirotake Yamazoe,Takahiro Miyashita, Shinji Abe, Kazuhiro Takahashi and Norihiro Hagita, Japan
1-2 An Adaptive Particle Filter Method for Tracking Multiple Interacting Targets 6
Isabella Szottka and Matthias Butenuth, Germany
1-3 Method of Updating Shadow Model for Shadow Detection based on Nonparametric Bayesian Estimation 10
Shinji Fukui, Wataru Kurahashi, Yuji Iwahori and Robert J. Woodham , Japan
Session 2: Invited Talk 1
2-1 Behavior Imaging: Using Computer Vision to Study Autism 14
Prof. James M. Rehg, Georgia Institute of Technology, United States of America
Session 3: MVA Award candidates 1
3-1 Fast and Structure-preserving Inpainting Based on Probabilistic Structure Estimation 22
Takashi Shibata, Akihiko Iketani and Shuji Senda, Japan
3-2 Homogeneous Superpixels from Random Walks 26
Frank Perbet and Atsuto Maki , United Kingdom
3-3 A Blanket Binarization Method for Character String Extraction 31
Hiromi Yoshida and Naoki Tanaka, Japan
3-4 Gaussian Neighborhood Descriptors for Brain Segmentation 35
Henrik Skibbe, Marco Reisert and Hans Burkhardt, Germany
Session 4: Poster Session 1 (Motion, 3D, Recognition, Feature)
4-1 Trajectory Generation for 1000 fps Direct Visual Servoing 39
Roel Pieters, Pieter Jonker and Henk Nijmeijer, Netherlands
4-2 Motion Estimation for Hybrid Cameras Using Point and Line Feature Fusion 43
Sang Ly, Cédric Demonceaux, Pascal Vasseurand and Claude Pégard, France
4-3 A Quick Browsing System for Surveillance Videos 47
Cheng-Chieh Chiang, Ming-Nan Tsai and Huei-Fang Yang, Taiwan
4-4 Evaluation of Synchronization Accuracy between High Speed Cameras in Infrared and Visible Spectrums 51
Senya Polikovsky, Yoshinari Kameda and Yuichi Ohta, Japan
4-5 Bottlenecks and Tradeoffs in High Frame Rate Visual Servoing: A Case Study 55
Zhenyu Ye, Yifan He, Roel Pieters, Bart Mesman, Henk Corporaal and Pieter Jonker, Netherlands
4-6 Image Driven Generation of Pose Hypotheses for 3D Model-based Tracking 59
Martim Brandăo, Alexandre Bernardino, José Santos-Victor, Portugal
4-7 Sequential Particle Filter for Multiple Object Tracking 63
Nam Trung Pham, Karianto Leman and Teck Wee Chua, Singapore
4-8 Multi-class Co-training Learning for Object and Scene Recognition 67
Xian-Hua Han, Yen-Wei Chen and Xiang Ruan, Japan
4-9 Similar Partial Copy Recognition for Line Drawings Using Concentric Multi-Region Histograms of Oriented Gradients 71
Weihan Sun and Koichi Kise, Japan
4-10 Segmentation of Images with Insufficient Dynamical Range 75
Zujun Hou, How Lung-Eng, Yue Wang and Ruijiang Luo , Singapore
4-11 Inhibition of Return in the Bayesian Strategy to Active Visual Search 79
Kai Welke, Tamim Asfour and Rüdiger Dillmann, Germany
4-12 Query-by-Sketch Image Retrieval Using Edge Relation Histogram 83
Yoshiki Kumagai, Toru Arikawa and Gosuke Ohashi , Japan
4-13 Object Category Recognition by Bag-of-Features Using Co-Occurrence Representation by Foreground and Background Information 87
Tomoyuki Nagahashi, Hironobu Fujiyoshi, Japan
4-14 Common Visual Pattern Detection by Mixture Particle Filtering 91
Kota Aoki and Hiroshi Nagahashi, Japan
4-15 Estimation of Minimum Quantization Levels by Using Reconstructed Histogram 95
Munetoshi Numada and Hiroyasu Koshimizu, Japan
4-16 Fast Combined Separability Filter for Detecting Circular Objects 99
Yasuhiro Ohkawa, Chendra Hadi Suryanto and Kazuhiro Fukui, Japan
4-17 Direct Shape Carving: Smooth 3D Points and Normals for Surface Reconstruction 104
Kazuki Matsuda and Norimichi Ukita, Japan
4-18 3D Object Reconstruction from Image Sequences with a One Line Search Method 108
J. Zhang, G. Chesi and Y. S. Hung, China
4-19 Optimal Computation of 3-D Rotation under Inhomogeneous Anisotropic Noise 112
Hirotaka Niitsuma and Kenichi Kanatani, Japan
4-20 A Free-viewpoint TV System 116
Yuichi Yaguchi, Takashi Matsuzaki, Toshimitsu Suzuki, Yukihiro Yoshida, Yuichi Okuyama, Kazuaki Takahashi and Ryuichi Oka, Japan
4-21 Alignment of 3D Shape Data by Hashing Sets of Feature Points 120
Yuka Kohno, Osamu Yamaguchi, Toshio Sato and Bunpei Irie, Japan
4-22 Slant-invariant Stagger Grid Pattern Projection with Error-tolerant Decoding Technique for One-shot Shape Measurement 124
Tetsuri Sonoda, Shinichiro Uno, Kenji Saitoh and Shinji Uchiyama, Japan
4-23 Facades Modeling from a Ground-View Video with Map Constraints 128
LIU Ruijun, Myriam Servi`eres and Guillaume Moreau, France
4-24 Object Reconstruction and Recognition leveraging an RGB-D Camera 132
Nicolas Burrus, Mohamed Abderrahim, Jorge Garcia and Luis Moreno, Spain
4-25 A Level Set Method for Joint 3-D Motion Estimation and Segmentation in Range Image Sequences 136
Abderrahman Hmimia and Amar Mitiche, Canada
4-26 Accurate 3-D Measurement System Using the Pico Projector-based Phase Shifting Techniques 140
Ja Myoung Koo and Tai-Hoon Cho, Korea, South
4-27 Auto-Determination of Camera Parameters for Scenario Simulations in Visual Surveillance Applications 144
Richard Chang, Nam Trung Pham, Karianto Leman and Wang Yue, Singapore
4-28 Dense 3D Measurement of the Near Surroundings by Fisheye Stereo 148
Nobuyuki Kita, Japan
4-29 Controlled Illumination for the Object Recognition with Projector Camera Feedback 152
Toshiyuki Amano, Kazuki Osamura, Makoto Fujisawa, Jun Miyazaki and Hirokazu Kato, Japan
4-30 Superpixel Based Inpainting for Interactive 3D Indoor Modeler 156
Kalaivani Thangamani, Takeshi Kurata and Tomoya Ishikawa, Japan
4-31 Range Camera for Simple behind Display Interaction 160
Anton Treskunov, Seung Wook Kim and Stefan Marti, United States of America
4-32 Dense Stereo Disparity Maps - Real-time Video Implementation by the Sparse Feature Sampling 164
Kunio Takaya, Canada
Session 5: MVA Award candidates 2
5-1 Fast Focus Mechanism Using a Pair of Convergent and Divergent Lenses Differentially for Three-dimensional Imaging 168
Akira Ishii, Japan
5-2 Spectral-Differential Feature Matching and Clustering for Multi-body Motion Estimation 173
Anton N. Averkin, Igor P. Gurov, Maxim V. Peterson and Alexey S. Potapov, Russia
5-3 Stabilizing Omnidirectional Videos Using 3D Structure and Spherical Image Warping 177
Mostafa Kamali, Atsuhiko Banno, Jean-Charles Bazin, In So Kweon and Katsushi Ikeuchi, Japan
5-4 Color Prior for Feature-based 3D Head Tracking 181
Jixia Zhang, Franck Davoine, Haibo Wang and Chunhong Pan, China
5-5 A Head-Wearable Short-Baseline Stereo System for the Simultaneous Estimation of Structure and Motion 185
Hern´an Badino and Takeo Kanade, United States of America

Tuesday, June 14, 2011

Session 6: Feature based Techniques

6-1 MCM: An Efficient Geometric Constraint Method for Robust Local Feature Matching 190
Kai Chen, Yi Zhou , Qi Zheng, Xiaokang Yang and Li Song , China
6-2 Keypoint Recognition Using Two-Stage Randomized Trees 194
Shoichi Shimizu and Hironobu Fujiyoshi, Japan
6-3 Image Colorization Using Discriminative Textural Features 198
Michal Kawulok, Jolanta Kawulok and Bogdan Smolka, Poland
6-4 Multi-Class Labeling Improved by Random Forest for Automatic Image Annotation 202
Motofumi Fukui, Noriji Kato and Wenyuan Qi, Japan
Session 7: Invited Talk 2
7-1 Model Guided Multimodal Imaging and Visualization for Computer Assisted Interventions 206
Prof. Nassir Navab, Technical University of Munich, Germany
Session 8: Inspection
8-1 Semisynthetic Ground Truth for Dirt Particle Counting and Classification Methods 215
Nataliya Strokina, Aki Mankki, Tuomas Eerola, Lasse Lensu, Jari Käyhkö and K¨alvi¨ainen, Finland
8-2 One-Class Classification for Anomaly Detection in Wire Ropes with Gaussian Processes in a Few Lines of Code 219
Erik Rodner, Esther-Sabrina Wacker, Michael Kemmler and Joachim Denzler, Germany
8-3 On-line Detection of Imperfections in Laser-brazed Joints 223
Daniel Fecker, Volker Maergner and Tim Fingscheidt, Germany
8-4 3D Free-Form Object Material Identification by Surface Reflection Analysis with a Time-of-Flight Range Sensor 227
Md. Abdul Mannan, Hisato Fukuda, Lu Cao, Yoshinori Kobayashi and Yoshinori Kuno, Japan
Session 9: Poster Session 2 (Application, Character, Image Processing, ITS)
9-1 New Ridge Flux Analysis for Fingerprint Minutiae Detection 231
Tomohiko Ohtsuka, Japan
9-2 A Statistical Shape Model and SVMs Based Scheme for Visual Inspection of Microdrill Bits in PCB Production 235
Guifang Duan and Yen-wei Chen, Japan
9-3 A Multi-Neural Network Approach to Image Detection and Segmentation of Gas Meter Counter 239
Angelo Nodari, Ignazio Gallo, Italy
9-4 Automatic Road Extraction from Printed Maps 243
Sebastien Callier and Hideo Saito, Japan
9-5 Development of Inspection System for Wooden Chopsticks 247
Takeshi Saitoh, Japan
9-6 Camera Based Lumber Strength Classification System 251
Riku Hietaniemi, Jari Hannuksela and Olli Silvén, Finland
9-7 Quantifying Rotations of Spheric Objects 255
Alexander Szep, Austria
9-8 Color Recognition by Extended Color Space Method for 64-color 2-D Barcode 259
Takuma Shimizu, Mariko Isami, Kenji Terada, Wataru Ohyama, Tetsushi Wakabayashi and Fumitaka Kimura, Japan
9-9 Extraction Method of Scallop Areas Using Shelly Rim Features Considering Bottom Sediment of Sand 263
Koichiro Enomoto, Masashi Toda and Yasuhiro Kuwahara, Japan
9-10 Scene Analysis Based on Horse Vision System 267
Hanchao Jia and Shigang Li, Japan
9-11 Cooking Support System Utilizing Built-in Cameras and Projectors 271
Shunsuke Morioka and Hirotada Ueda, Japan
9-12 Daily Clothes Observation from Visible Surfaces Based on Wrinkle and Cloth-Overlap Detection 275
Kimitoshi Yamazaki, Kotaro Nagahama and Masayuki Inaba, Japan
9-13 Automated Vision-based System for Inspecting Glue Route Quality in Harddisk Drive Top Cover Assembly 279
Wirat Rajchawong and Pakorn Kaewtrakulpong, Thailand
9-14 A Technique for Clustering Individual Defects from Images of Steel Strips with Periodical Defects 283
Francisco Gonzalez Bulnes, Daniel Fernando Garcia, Ruben Usamentiaga and Julio Molleda, Spain
9-15 Fast Color Matching Using Weighted Subspace on Medicine Package Recognition 287
Kenjiro Sugimoto and Sei-ichiro Kamata, Japan
9-16 A Method for Fast Composing of Images Captured from Deformed Documents by a Quadocular Scanner Setup 291
Marco Körner, Herbert S¨uße, Wolfgang Ortmann and Joachim Denzler, Germany
9-17 Off-Line Signature Verification Using Two Step Transitional Features 295
Elias Zois, Athanasios Nassiopoulos, Konstantinos Tselios, Elias Siores and George Economou, Greece
9-18 Binary Tree-based Accuracy-keeping Clustering Using CDA for Very Fast Japanese Character Recognition 299
Yohei Sobu and Hideaki Goto, Japan
9-19 Optical Character Verification of Print on Pharmaceutical Capsules 303
Miha Možina, Dejan Tomaževič, Franjo Pernuš and Boštjan Likar, Slovenia
9-20 Extraction of Character String Regions from Scenery Images Based on Contours and Thickness of Characters 307
Tomohiro Nishino, Kimitoshi Yamazaki, Kei Okada and Masayuki Inaba, Japan
9-21 A New Method for Ranking of Word Hypotheses Generated from OCR: The Application on the Arabic Word Recognition 311
Houda Gaddour, Hanéne Guesmi, Fouad Slimane, Slim Kanoun and Jean Hennebert , Tunisia
9-22 A Lossless Data-hiding Technique Based on Wavelet Transform 316
Hui-Yu Huang and Shih-Hsu Chang, Taiwan
9-23 Fast Polar Cosine Transform for Image Description 320
Zhuo Yang and Sei-ichiro Kamata, Japan
9-24 Histogram Enhancement Using Adaptive Segmentation Algorithm 324
Chung-Cheng Chiu, Sheng-Yi Chiu, Han-Ni Yang and Ching-Tung Lo , Taiwan
9-25 A Grayscale Image Authentication Method with a Pixel-level Self-recovering Capability against Image Tampering 328
Che Wei Lee and Wen Hsiang Tsai, Taiwan
9-26 Study on Stimulation Effects for Driver Based on Fragrance Presentation 332
Mariko Yoshida, Chie Kato, Yuki Kakamu, Mikiko Kawasumi, Hatsuo Yamasaki, Shin Yamamoto, Tomoaki Nakano and Muneo Yamada, Japan
9-27 Real-Time Video Stabilization for Unmanned Aerial Vehicles 336
Yue Wang, ZuJun Hou, Karianto Leman and Richard Chang, Singapore
9-28 UAV Motion Estimation Using Hybrid Stereoscopic Vision 340
Damien Eynard, Cedric Demonceaux, Pascal Vasseur and Vincent Fremont , France
9-29 Robust vSLAM for Dynamic Scenes 344
Jun Shimamura, Masashi Morimoto and Hideki Koike , Japan
9-30 Vision-based Automatic Flight Control for Small UAVs 348
Chung-Cheng Chiu, Ching-Tung Lo, Chung-Hsieh Tsai and Sheng-Yi Chiu, Taiwan
9-31 Quadrotor Helicopter Flight Control Using Hough Transform and Depth Map from a Microsoft Kinect Sensor 352
John Ross Stowers, Michael Hayes and Andrew Bainbridge-Smith, New Zealand
9-32 On-road Obstacle Detection by Comparing Present and Past In-vehicle Camera Images 357
Haruya Kyutoku, Daisuke Deguchi, Tomokazu Takahashi, Yoshito Mekada, Ichiro Ide and Hiroshi Murase , Japan
9-33 An Efficient Algorithm for UAV Indoor Pose Estimation Using Vanishing Geometry 361
Yuxiang Wang, Singapore
Session 10: 3D Reconstruction and Retrieval
10-1 Reconstructing 3D Land Surface from a Sequence of Aerial Images 365
Shinya Mizoe, Yuichi Yaguchi, Kazuaki Takahashi, Kazuhiro Ota and Ryuichi Oka, Japan
10-2 Augmenting Depth Camera Output Using Photometric Stereo 369
Robert Anderson, Björn Stenger and Roberto Cipolla, United Kingdom
10-3 A Globally Convergent Algorithm for Range Image Registration Based on Consistency Evaluation of Rigid Transformation of Correspondences 373
Shingo Yamada and Ikuko Shimizu, Japan
10-4 Skeleton Features Distribution for 3D Object Retrieval 377
Tomoki Hayashi, Benjamin Raynal, Vincent Nozick and Hideo Saito, Japan

Wednesday, June 15, 2011

Session 11: Basic Techniques
11-1 Finite Element Laplacian Feature Detector 381
Dermot Kerr, Sonya Coleman and Bryan Scotney, United Kingdom
11-2 A Parallelization Method for Multiview Stereo 385
Masaru Fukushi, Naoki Sekiguchi and Toru Abe, Japan
11-3 An Adaption of the Lucy-Richardson Deconvolution Algorithm to Noncentral Chi-Square Distributed Data 389
Fabian Diewald, Jens Klappstein, Juergen Dickmann and Klaus Dietmayer, Germany
11-4 KNN Kernel Shift Clustering with Highly Effective Memory Usage 393
Makoto Hirohata, Tomoyuki Shibata, Kazunori Imoto and Toshimitsu Kaneko, Japan
Session 12: Invited Talk 3
12-1 Stereo Vision System on Automobile for Collision Avoidance 397
Prof. Keiji Saneyoshi, Tokyo Institute of Technology, Japan
Session 13: Face Analysis
13-1 Eye and Nose Fields Detection from Gray Scale Facial Images 406
M. Hassaballah, Kenji Murakami and Shun Ido, Japan
13-2 Facial Feature Detection Using Generalized LVQ and Facial Shape Model 410
Yusuke Morishita and Hitoshi Imaoka, Japan
13-3 Identifying Important People in Broadcast News Videos 414
Hua Gao, Hazim Kemal Ekenel and Rainer Stiefelhagen, Germany
Session 14: Poster Session 3 (Face, Human, Gesture, Pedestrian, Medical)
14-1 Robust Facial Feature Localization Using Improved Active Shape Model and Gabor Filter 418
Hui-Yu Huang and Shih-Hang Hsu, Taiwan
14-2 Kernel-based Speaker Verification Using Spatiotemporal Lip Information 422
Chi Ho Chan, Budhaditya Goswami, Josef Kittler and William Christmas, United Kingdom
14-3 A Face Identification Method of Non-native Animals for Intelligent Trap. 426
Mayumi Kouda, Masakazu Morimoto and Kensaku Fujii, Japan
14-4 Edge-based Facial Feature Extraction Using Gabor Wavelet and Convolution Filters 430
Rosdiyana Samad and Hideyuki Sawada, Japan
14-5 Online Rapid Prototyping of 3D Objects Using GPU-Based 3D Cloud Computing: Application to 3D Face Modelling 434
Minh Nguyen, Patrice Delmas, Georgy Gimel'farb, Y.H. Chan, Alfonso Gastelum Strozzi and Alexander Woodward, New Zealand
14-6 Face Super Resolution in Reduced Spaces by Using Shape and Texture 438
Aydin Akyol and Muhittin Gökmen, Turkey
14-7 Research on Far-Field Face Detection for Recognition 442
Zhifei Wang and Zhenjiang Miao, China
14-8 Facial Analysis Aided Human Gesture Recognition for Human Computer Interaction 446
Dan Luo, Hua Gao, Hazim Kemal Ekenel and Jun Ohya, Japan
14-9 Detection of Swimmer Based on Joint Utilization of Motion and Intensity Information 450
Kwok-Leung Chan, China
14-10 Motion Analysis for Broadcast Tennis Video Considering Mutual Interaction of Players 454
Naoto Maruyama and Kazuhiro Fukui, Japan
14-11 Estimation of Human Body Orientation Using Histogram of Oriented Gradients 459
Kittipanya-ngam Panachit, Ong Soh Guat and Eng How-Lung, Singapore
14-12 Learning Multi-Feature Human Motion Patterns by Automated Near-Optimal Constrained Gravitational Clustering 463
Zhuo Chen and Nelson H.C. Yung, China
14-13 Bottom-up Attention Improves Action Recognition Using Histograms of Oriented Gradients 467
Go Tanaka, Yukie Nagai and Minoru Asada, Japan
14-14 Particle Filter-based Fingertip Tracking with Circular Hough Transform Features 471
Martin Do, Tamim Asfour and Rüdiger Dillmann, Germany
14-15 Human Body Tracking and Joint Angle Estimation from Mobile-phone Video for Clinical Analysis 475
Jehoon Lee, Peter Karasev, Liangjia Zhu and Allen Tannenbaum, United States of America
14-16 Hand Gesture Recognition Using Histogram of Oriented Gradients and Partial Least Squares Regression 479
Arindam Misra, Takashi Abe, Takayuki Okatani and Koichiro Deguchi, Japan
14-17 Memory Based Human Region Detection 483
Ayaka Yamamoto, Yoshio Iwai and Hiroshi Ishiguro, Japan
14-18 Headdress Detection Based on Saliency Map for Thangka Portrait Image 487
Lu Yin and Weilan Wang, China
14-19 Estimation of Thermal Comfort by Measuring Clo Value without Contact 491
Hiroki Matsumoto, Yoshio Iwai and Hiroshi Ishiguro, Japan
14-20 Analysing Engineering Tasks Using a Hybrid Machine Vision and Knowledge Based System Application 495
Ioannis Kaloskampis, Yulia Hicks and David Marshall, United Kingdom
14-21 A Multi-staged System for Efficient Visual Person Reidentification 499
Kai Jüngling and Michael Arens, Germany
14-22 Human Skin Detection by Visible and Near-Infrared Imaging 503
Yusuke Kanzawa, Yoshikatsu Kimura and Takashi Naito, Japan
14-23 Measurement of Human Stature from Surveillance Camera Based on Projective Geometry 508
Takuya Inoue, Hideo Saito and Makoto Kimura, Japan
14-24 A Practical Video Digest Generation System Designed for Nursery Schools 512
Yu Wang, Tomoya Ishikawa, Jien Kato, Kenichiro Ishii and Shigeki Yokoi, Japan
14-25 Pedestrian Head Detection and Tracking Using Skeleton Graph for People Counting in Crowded Environments 516
Kheir-Eddine Aziz, Djamal Merad, Bernard Fertil and Nicolas Thome, France
14-26 Stereo-based Pedestrian Detection Using Two-stage Classifiers 520
Manabu Nishiyama, Akihito Seki, Tomoki Watanabe, Japan
14-27 Integrate Sparse Depth Information into Pedestrians Detection 524
Yu Wang, Jien Kato and Kenichiro Ishii, Japan
14-28 Towards an Automatic Blind Spot Camera: Robust Real-time Pedestrian Tracking from a Moving Camera 528
Kristof Van Beeck, Toon Goedemé and Tinne Tuytelaars, Belgium
14-29 Robust Human Tracking Using Occlusion-free Images from Multiple Video Cameras 532
Kentaro Tsuji, Mingxie Zheng, Eigo Segawa, Morito Shiohara and Takashi Morihara, Japan
14-30 Symmetrical Judgment and Improvement of CoHOG Feature Descriptor for Pedestrian Detection 536
Hirokatsu Kataoka and Yoshimitsu Aoki, Japan
14-31 Dual-direction Measuring System of Near Infrared Optical Tomography Combined with X-ray Mammography 540
Hung-Chih Chiang, Jhao-Ming Yu, Liang-Yu Chen, Min-Chun Pan, Min-Cheng Pan and Ching-Tang Wu, Taiwan
14-32 Low-Bitrate Medical Image Compression 544
Antonius Darma Setiawan, Andriyan Bayu Suksmono, Tati LR Mengko and Hendra Gunawan, Indonesia
14-33 Vessel Segmentation in Retinal Images Using Graph-Theoretical Vessel Tracking 548
Suthit Rattathanapad, Bunyarit Uyyanonvara, Pradit Mittrapiyanuruk and Pakorn Kaewtrakulpong, Thailand
14-34 Dynamic Programming and Fuzzy Classification for the Automatic Segmentation of the Carotid in Ultrasound Images 552
Rui Rocha, Jorge Silva and Aurélio Campilho, Portugal
Session 15: Real-World Applications
15-1 Robust Image Acquisition for Vision-Model Coupling by Humanoid Robots 557
David Israel Gonzalez-Aguirre, Tamim Asfour and Rüdiger Dillmann, Germany
15-2 An ID and Position Recognition Method Employing Camera Motion Blur for Modulated LED Tube Lights 562
Chang Li, Daisuke Iwai and Kosuke Sato, Japan
15-3 Towards Bendable Augmented Maps 566
Sandy Martedi and Hideo Saito, Japan
Author Index 571