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Visual Event Detection 2001 ed. [Kõva köide]

  • Formaat: Hardback, 146 pages, kõrgus x laius: 235x155 mm, kaal: 910 g, XIV, 146 p., 1 Hardback
  • Sari: The International Series in Video Computing 2
  • Ilmumisaeg: 31-Jul-2001
  • Kirjastus: Springer
  • ISBN-10: 0792374363
  • ISBN-13: 9780792374367
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  • Formaat: Hardback, 146 pages, kõrgus x laius: 235x155 mm, kaal: 910 g, XIV, 146 p., 1 Hardback
  • Sari: The International Series in Video Computing 2
  • Ilmumisaeg: 31-Jul-2001
  • Kirjastus: Springer
  • ISBN-10: 0792374363
  • ISBN-13: 9780792374367
The increasing availability of low-cost, low-power, highly accurate video imagery has brought rapid growth in the applications using this data. Video provides multiple temporal constraints, making it easier to analyze a complex and coordinated series of events that cannot be understood by looking at a single image or a few frames. Arguing for a bottom-up approach to object recognition and event detection, the authors present a framework for the extraction of meaningful information from video. The text's underlying principle is that many diverse pieces of evidence are more useful for object recognition and event detection than the most elaborate algorithm working on an impoverished image representation. Annotation c. Book News, Inc., Portland, OR (booknews.com)

This book is one of the first books to focus on visual event detection. It demonstrates that computer vision research has matured to a point where meaningful visual event detection can be achieved. The authors propose that the exact object and motion information is not necessary to achieve video event detection. They show that some visual events are sufficiently described by little more than the broad categories of the constituent objects and their qualitative motions. The Video Computing book series provides a forum for the dissemination of innovative research results for computer vision, image processing, database and computer graphics researchers. Visual Event Detection will be of interest to those working in video analysis, video understanding, video compression, image understanding, and artificial intelligence.
Preface xi
Acknowledgments xiii
Introduction
1(18)
Rich Image Descriptions
6(2)
Constructing Visual Primitives for Object Recognition and Event Detection
8(1)
Signature Based Recognition
9(2)
Signatures for Remote Sensing
10(1)
Visual Signatures
10(1)
The Data Processing Theorem
11(1)
Object Recognition
12(2)
Event Detection
14(1)
Practical Applications
15(2)
Summary and Overview of the
Chapters
17(2)
A Framework for the Design of Visual Event Detectors
19(46)
Low-level Descriptors: Color, Spatial Texture, and Spatio-Temporal Texture
21(19)
Color Measures
23(1)
Gray-level Co-occurrence Matrix Measures
24(3)
Fourier Transform Measures
27(2)
Gabor Filter Measures
29(2)
Steerable Filter Measures
31(5)
Fractal Dimension Measures
36(1)
Entropy Measures
37(3)
Region Classification
40(2)
Global Motion Estimation and Motion-Blob Detection
42(9)
Translational Geometry
43(1)
Euclidean Geometry
43(1)
Similarity Geometry
43(1)
Affine Geometry
44(1)
Projective Geometry
44(1)
Which Motion Model is Good Enough?
44(7)
Motion-Blob Detection and Verification
51(1)
Shot Detection
52(1)
Shot Summarization and Intermediate-Level Descriptors
53(5)
Event Inference
58(5)
Hunt Events
58(2)
Landing Events
60(1)
Rocket Launches
60(3)
Summary of the Framework
63(2)
Features and Classification Methods
65(14)
Classification without Preprocessing
65(1)
Linear Relationships between Pairs of variables
66(1)
Linear Analysis
67(1)
Quadratic Analysis
67(1)
Eigen-analyses
68(2)
Minimally Correlated Features
70(1)
Each Method in Isolation
71(2)
Leaving One Out
73(1)
Feature De-correlation
74(3)
Good Features and Classifiers
77(2)
Results
79(32)
Comparison of Classifiers
79(3)
Selecting Expressive Subsets of Features
82(4)
Random Sets of Features
82(1)
Good Subsets of Features
83(1)
A Greedy Algorithm
83(1)
Beyond the Greedy Algorithm
83(3)
Object Recognition
86(8)
Feature Space Representation of the Video Frames
86(2)
Detecting Deciduous Trees
88(5)
Detecting Grass, Trees, Sky, Rock, and Animals in Wildlife Documentaries
93(1)
Detecting Sky in Unconstrained Video
94(1)
Detecting Sky, Clouds, Exhaust, and human-made Structures in Unconstrained Video
94(1)
Event Detection
94(16)
Global Motion Estimation
94(2)
Motion-Blob Detection
96(1)
Shot Summarization
97(2)
Event Inference and Final Detection Results
99(1)
Hunt Detection
99(1)
Landing Events
100(6)
Rocket Launches
106(4)
Summary of Results
110(1)
Summary and Discussion of Alternatives
111(18)
Classifiers and Features
111(4)
Correlation, Orthogonality, and Independence
113(1)
Linear Dependence
113(1)
Linear and Quadratic Classifiers
114(1)
Random Feature Sets
115(1)
Back-Propagation Neural Networks
115(1)
Object Recognition
115(1)
Event Detection
116(3)
Accuracy, Robustness, and Scalability
117(2)
Building Mosaics from Video
119(3)
Improving the Modules of the Framework
122(4)
Color, Spatial Texture, and Spatio-temporal Texture
122(1)
Motion Estimation
122(1)
Object Classification
123(1)
Shot Boundary Detection
123(1)
Feedback
123(1)
Shot summarization
124(1)
Learning Event Models
124(1)
Tracking
125(1)
Kullback-Leibler Divergence for Correspondence Matching
125(1)
Temporal Textures
125(1)
Applications
126(3)
Recipes for Selected Applications
127(2)
A. Appendix 129(2)
References 131(8)
Index 139