ICIP
2003
IEEE
14 years 11 months ago
2003
IEEE
We present a probabilistic method for audio-visual (AV) speaker tracking, using an uncalibrated wide-angle camera and a microphone array. The algorithm fuses 2-D object shape and ...
ICIP
2003
IEEE
14 years 11 months ago
2003
IEEE
In this paper we describe an application which takes a video shot as input and produces a compact representation composed by a background layer and segmented moving objects. We de...
ICIP
2003
IEEE
2003
IEEE
A fully automatic algorithm for contour detection of bones in hand radiographs using active contours
14 years 11 months ago
This paper1 presents an algorithm for automatically detecting bone contours from hand radiographs using active contours. Prior knowledge is first used to locate initial contours f...
ICIP
2003
IEEE
14 years 11 months ago
2003
IEEE
For the conventional downscaling video transcoder. the video server would be to first decompress the video, perform the downscaling operation in the pixel domain. and then recompr...
ICIP
2003
IEEE
14 years 11 months ago
2003
IEEE
In this paper, we define an observation model based on optical flow information to track objects using particle filter algorithms. Although the optical flow information enables us...
ICIP
2003
IEEE
14 years 11 months ago
2003
IEEE
In this paper, we investigate the use of the coupled hidden Markov models (CHMM) for the task of audio-visual text dependent speaker identification. Our system determines the iden...
ICIP
2003
IEEE
14 years 11 months ago
2003
IEEE
We investigate a new registration method for ultrasound volumes relying on on a statistical texture-basedsimilarity measure. Texture information is given by spatial Gabor filters ...
ICIP
2003
IEEE
14 years 11 months ago
2003
IEEE
An embedded wavelet coder is proposed for arbitrarily shaped image objects. Contrary to the popular approach of considering transparent regions surrounding image objects as perman...
ICIP
2003
IEEE
14 years 11 months ago
2003
IEEE
ICIP
2003
IEEE
14 years 11 months ago
2003
IEEE
Despite their simplicity, scalar threshold operators effectively remove additive white Gaussian noise from wavelet detail coefficients of many practical signals. This paper explor...