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DAGM
2009
Springer
16 years 18 days ago
Quantitative Assessment of Image Segmentation Quality by Random Walk Relaxation Times
The purpose of image segmentation is to partition the pixel grid of an image into connected components termed segments such that (i) each segment is homogenous and (ii) for any pai...
Björn Andres, Ullrich Köthe, Andreea Bon...
CANDC
2009
ACM
16 years 16 days ago
A quantitative analysis of the collective creativity in playing 20-questions games
Creativity is an important ingredient in problem solving, and problem solving is an important activity for both individuals and societies. This paper discusses our novel approach ...
Wen Dong, Taemie Kim, Alex Pentland
ICASSP
2008
IEEE
16 years 14 days ago
Low-complexity receivers for multiuser detection with an unknown number of active users
In multiuser detection, the set of users active at any time may be unknown to the receiver. A two-step detection procedure, in which multiuser detection is preceded by active-user...
Daniele Angelosante, Ezio Biglieri
ICASSP
2008
IEEE
16 years 14 days ago
Multimodal information fusion using the iterative decoding algorithm and its application to audio-visual speech recognition
The fusion of information from heterogenous sensors is crucial to the effectiveness of a multimodal system. Noise affect the sensors of different modalities independently. A good ...
Shankar T. Shivappa, Bhaskar D. Rao, Mohan M. Triv...
ICASSP
2008
IEEE
16 years 14 days ago
Alternatives to the discrete fourier transform
It is well-known that the discrete Fourier transform (DFT) of a finite length discrete-time signal samples the discrete-time Fourier transform of the same signal at equidistant p...
Doru-Cristian Balcan, Aliaksei Sandryhaila, Jonath...