Motion-based segmentation and contour-based classification of video objects

G Kuehne, S Richter, M Beier - … of the ninth ACM international conference …, 2001 - dl.acm.org
The segmentation of objects in video sequences constitutes a prerequisite for numerous
applications ranging from computer vision tasks to second-generation video coding. We …

Algorithms for video retargeting

S Kopf, T Haenselmann, J Kiess, B Guthier… - Multimedia tools and …, 2011 - Springer
The visualization of high resolution video on small mobile devices is still a great challenge
today. Most critical are the limited display resolution and different aspect ratios of handheld …

Enhancing curvature scale space features for robust shape classification

S Kopf, T Haenselmann… - 2005 IEEE International …, 2005 - ieeexplore.ieee.org
The curvature scale space (CSS) technique, which is also part of the MPEG-7 standard, is a
robust method to describe complex shapes. The central idea is to analyze the curvature of a …

Computer aided detection of spina bifida using nearest neighbor classification with curvature scale space features of fetal skulls extracted from ultrasound images

U Konur, FS Gürgen, F Varol, L Akarun - Knowledge-Based Systems, 2015 - Elsevier
This paper addresses the problem of detecting the common neural tube defect of spina
bifida by a computer aided detection (CAD) system. We propose a method which extracts …

Shape-based posture and gesture recognition in videos

S Kopf, T Haenselmann… - Storage and Retrieval …, 2005 - spiedigitallibrary.org
The recognition of human postures and gestures is considered to be highly relevant
semantic information in videos and surveillance systems. We present a new three-step …

Segmentation and indexation of complex objects in comic book images

C Rigaud - 2014 - theses.hal.science
In this thesis, we review, highlight and illustrate the challenges related to comic book image
analysis in order to give to the reader a good overview about the last research progress in …

Robust character recognition in low-resolution images and videos

S Kopf, T Haenselmann, W Effelsberg - None, 2005 - madoc.bib.uni-mannheim.de
Although OCR techniques work very reliably for high-resolution documents, the recognition
of superimposed text in low-resolution images or videos with a complex background is still a …

Extended object tracking and shape classification

B Tuncer, M Kumru, E Ozkan… - 2018 21st International …, 2018 - ieeexplore.ieee.org
Recent extended target tracking algorithms provide reliable shape estimates while tracking
objects. The estimated extent of the objects can also be used for online classification. In this …

[PDF][PDF] Segmentation and classification of moving video objects

D Farin, T Haenselmann, S Kopf, G Kühne… - Handbook of Video …, 2003 - researchgate.net
Despite very optimistic predictions in the early days of Artificial Intelligence research, a
computer vision system that interprets image sequences acquired from arbitrary real-world …

A novel shape descriptor based on extreme curvature scale space map approach for efficient shape similarity retrieval

H Silkan, SE Ouatik, A Lachkar… - 2009 fifth international …, 2009 - ieeexplore.ieee.org
The main drawbacks of Curvature Scale Space (CSS) matching are due to the problem of
shallow and deep concavities on the shape. To solve this problem, in this paper we present …