Computer Vision: Segmentation (Di, 11.11.2014)

Anmeldung erforderlich

RWTH

Für RWTH-Angehörige und aus dem RWTH-Netz verfügbar

Anmelden
  • Einbetten

Beschreibung:

Gestalt principles, k-Means clustering, feature spaces, Mixture of gaussians / EM algorithm

Kapitel:

00:00:00
Lecture 6: Segmentation
00:01:24
Course Outline
00:02:17
Recap: Chamfer Matching
00:04:46
Recap: Hough Transform
00:07:42
Recap: Hough Transform Polar Parametrization
00:08:34
Hough Transform for Circles
00:11:39
Hough Transform for Circles: unknown radius
00:13:15
Hough Transform for Circles: known direction
00:14:09
Hough Transform for Circles: algorithm
00:15:50
Example: Detecting Circles with Hough (1)
00:17:02
Example: Detecting Circles with Hough (2)
00:19:50
Voting: Practical Tips
00:22:45
Hough Transform: Pros and Cons
00:25:23
Generalized Hough Transform
00:26:55
Generalized Hough Transform: Algorithm
00:27:59
Example: Generalized Hough Transform
00:30:18
Application in Recognition
00:34:34
Topics of This Lecture
00:35:34
Examples of Grouping in Vision
00:37:41
Similarity
00:38:29
Proximity
00:38:47
Symmetry
00:39:51
Common Fate
00:40:24
The Gestalt School
00:42:59
Gestalt Theory
00:44:45
Gestalt Factors
00:47:32
Continuity through Occlusion Cues (1)
00:48:17
Continuity through Occlusion Cues (2)
00:48:52
The Ultimate Gestalt?
00:49:41
Image Segmentation
00:50:27
The Goals of Segmentation
00:51:26
Topics of This Lecture
00:51:35
Image Segmentation: Toy Examples
00:54:21
(find cluster centers)
00:55:55
Clustering
00:57:05
K-Means Clustering
00:58:43
Segmentation as Clustering
01:00:36
K-Means Clustering: Java demo
01:00:49
K-Means++
01:03:07
Feature Space: intensity
01:03:40
Feature Space: color
01:04:16
Feature Space: texture
01:05:44
Smoothing Out Cluster Assignments
01:08:58
Feature Space: intensity+position
01:09:29
K-Means Clustering Results
01:10:44
Summary K-Means
01:15:46
Topics of This Lecture
01:16:06
Probabilistic Clustering
01:17:25
Mixture of Gaussians
01:21:08
Expectation Maximization (EM)
01:23:15
EM Algorithm
01:25:26
Applications of EM
01:26:00
Segmentation with EM
01:27:00
Summary: Mixtures of Gaussians, EM
01:29:27
Topics of This Lecture
01:29:36
References and Further Reading