Generalized Image Acquisition and Analysis

Three-Dimensional Kaleidoscopic Imaging

Three-dimensional kaleidoscopic imaging, a promising alternative for recording multi-view imagery. The main limitation of multi-view reconstruction techniques is the limited number of views that are available from multi-camera systems, especially for dynamic scenes. Our new system is based on imaging an object inside a kaleidoscopic mirror system. We show that this approach can generate a large number of high-quality views well distributed over the hemisphere surrounding the object in a single shot. In comparison to existing multi-view systems, our method offers a number of advantages: it is possible to operate with a single camera, the individual views are perfectly synchronized, and they have the same radiometric and colorimetric properties. We describe the setup both theoretically, and provide methods for a practical implementation. Enabling interfacing to standard multi-view algorithms for further processing is an important goal of our techniques.


Introduction to Image Processing and Computer Vision

Lecture in winter term 2013/14

Lecturer: Ivo Ihrke

General Information

Course webpage - Libres Savoirs

When: 2014, Jan. 23rd to 2014, Apr. 10th
Where: IOA/IOGS buiding room E201
Registration for mailing list: send email to Ivo Ihrke (firstname[dot]lastname[at]


This lecture covers basic image processing techniques in two dimensions. Special emphasis will be put on the origin of images, i.e. including detection and noise sources. Apart from that, the course will include both classic as well as more modern developments in the area.

The tentative course schedule is

Thursday 23.01.2014, 8am Introduction and Sensor Technology Overview [pdf sensors]
Thursday 31.01.2014, 8am Noise, Dynamic Range, and Color [pdf noise/dr/color]
Thursday 06.02.2014, 8am Compression and Signal Processing [pdf compression]
Thursday 13.02.2014, 8am Images as Functions [pdf functions]
Thursday 20.02.2014, 8am Distance Functions, Edge Detection and Convolutional/Non-Convolutional Filters [pdf filters]
Thursday 27.02.2014 vacances
Thursday 06.03.2014, 8am projet d'ingenieur
Thursday 13.03.2014, 8am Image Statistics, Histograms & Feature Detection [pdf stats & feature detection]
Thursday 20.03.2014, 8am cancelled
Wednesday 26.03.2014, 10am cancelled
Thursday 03.04.2014, 10am Feature Detection and Invariance [pdf feature description]
Thursday 10.04.2014, 10am Image Blending and Panoramas [pdf blending & panoramas]


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