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Computer Vision (auf Englisch)
Typ: Hauptstudium / Vertiefungslinie
Semester: WS 2014/2015
Umfang: 3V+1Ü
Studiengang: Diplom Informatik, Diplom Softwaretechnik, Master Informatik, Master Softwaretechnik
Dozent: Prof. Dr.-Ing. Andrés Bruhn
Beschreibung:

This class gives an in-depth introduction into the field of computer vision. It consists of four parts. In the first part, characteristic image features and feature descriptors are discussed that are typically used for recognition or matching, The second part of the course is dedicated to motion and stereo. Fundamental goals in this context are the recovery of the 3-D structure and the 2-D motion of objects from a recorded scene. The third part of the class is dedicated to segmentation - the subdivision of an image into different semantically meaningful regions. Here, the focus lies on contour based methods that are among the leading techniques in the field. Finally, the fourth part deals with pattern recognition the classification of features into different groups. In this context, basic approaches for the reducing the dimensionality of features and strategies for supervised learning are discussed.

This class requires undergraduate knowledge in mathematics (e.g. ''Mathematik für Informatiker und Softwaretechniker", "Numerische und stochastische Grundlagen der Informatik"). The previous attendance of the class "Imaging Science" is recommended. Lectures will be in English.

This class is particularly useful for those students who wish to pursue a bachelor, master or diploma thesis in our group.

NEWS:

• NO LECTURE:
There will be no lecture on Friday, January 30th.
• TIME SLOTS:
Bi-weekly tutorials are moved from Friday to Thursday.
• FIRST LECTURE:
The first lecture will be on Thursday,  October 16th.

Lecture Notes:

PART 1 : Features and Descriptors

 X • Lecture 01 X (16.10.2014) X Introduction • Lecture 02 (17.10.2014) Features and Descriptors I: Linear Diffusion, Scale Space • Assignment 00 (23.10.2014) • Lecture 03 (24.10.2014) Features and Descriptors II: Image Pyramids, Edges and Corners • Lecture 04 (30.10.2014) Features and Descriptors III: Hough Transform, Invariants • Lecture 05 (31.10.2014) Features and Descriptors IV: Texture Analysis • Assignment 01 (06.11.2014) • Lecture 06 (07.11.2014) Features and Descriptors V: Scale Invariant Feature Transform

PART 2 : Motion and Stereo

 X • Lecture 07 X (13.11.2014) X Image Sequence Analysis I: Local Methods • Lecture 08 (14.11.2014) Image Sequence Analysis II: Motion Models, Tracking, Feature Matching • Assignment 02 (20.11.2014) • Lecture 09 (21.11.2014) Image Sequence Analysis III: Variational Methods • Lecture 10 (27.11.2014) 3-D Reconstruction I: Camera Geometry • Lecture 11 (28.11.2014) 3-D Reconstruction II: Epipolar Geometry, Stereo Matching • Assignment 03 (04.12.2014) • Lecture 12 (05.12.2014) 3-D Reconstruction III: Shape-from-Shading

PART 3 : Segmentation

 X • Lecture 13 X (11.12.2014) X Foundations I: Isotropic Nonlinear Diffusion • Lecture 14 (12.12.2014) Foundations II: Anisotropic Nonlinear Diffusion • Assignment 04 (18.12.2014) • Lecture 15 (19.12.2014) Segmentation I: The Mumford/Shah Model • Lecture 16 (08.01.2015) Segmentation II: Continuous Scaled Morphology, Shock Filters • Lecture 17 (09.01.2015) Segmentation III: Mean Curvature Motion • Assignment 05 (15.01.2015) • Lecture 18 (16.01.2015) Segmentation IV: Self-Snakes, Active Contours

PART 4: Pattern Recognition

 X • Lecture 19 X (22.01.2015) X Pattern Recognition I: Basics, Terminology • Lecture 20 (23.01.2015) Pattern Recognition II: Bayes Decision Theory • Assignment 06 (29.01.2015) • Lecture 21 (05.02.2015) Pattern Recognition III: Parametric Techniques, Density Estimation • Lecture 22 (06.02.2015) Pattern Recognition IV: Non-Parametric Techniques • Lecture 23 (12.02.2015) Pattern Recognition V: Dimensionality Reduction, Outlook

Assignments:

Files for the Programming Assignments

 X • Math Sheet X (issued 17.10.2014, no correction) X Assignment Sheet • Assignment 01 (issued 31.10.2014, submission 06.11.2014) Assignment Sheet, Programming Source • Assignment 02 (issued 14.11.2014, submission 20.11.2014) Assignment Sheet, Programming Source • Assignment 03 (issued 28.11.2014, submission 04.12.2014) Assignment Sheet, Programming Source • Assignment 04 (issued 12.12.2014, submission 18.12.2014) Assignment Sheet, Programming Source • Assignment 05 (issued 09.01.2015, submission 15.01.2015) Assignment Sheet, Programming Source • Assignment 06 (issued 23.01.2015, submission 29.01.2015) Assignment Sheet, Programming Source

Solutions

 X • Math Sheet X (issued 24.10.2014) X Solution • Assignment 01 (issued 13.11.2014) Solution • Assignment 02 (issued 27.11.2014) Solution • Assignment 03 (issued 11.12.2014) Solution • Assignment 04 (issued 07.01.2014) Solution • Assignment 05 (issued 22.01.2015) Solution • Assignment 06 (issued 05.02.2015) Solution

REMARKS:

• The programming exercises are designed for Linux. We only guarantee that the code works under Linux.
• If possible, we will provide executables for Windows. You may use them at your own risk.
• At some points we may have to provide object files for copyright reasons. Object files will only be provided for Linux.
• If there are any problems reading in and writing out files under Windows, adding the binary flag may help, i.e. inimage = fopen(in,"rb");

Bilder:
Bild 1: Face reconstruction from a stereo pair.
Bild 2: Segmentation of a zebra and a frog.
Internet-Seite:
Termine: Freitag, 9:45 - 11:15 Uhr in V38.04
Donnerstag, 15:45 - 17:15 Uhr (14-tägig) in V38.02
Übungen: Donnerstag, 15:45 - 17:15 Uhr (14-tägig) in V38.02
Tutor: Dipl.-Math. Sebastian Volz

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