382 search results - page 19 / 77 » Gradient estimation in global optimization algorithms |
IPMI
2005
Springer
14 years 8 months ago
2005
Springer
Abstract. A new approach is proposed to estimate the spatial distribution of shear modulus of tissues in-vivo. An image sequence is acquired using a standard medical ultrasound sca...
ICMCS
2006
IEEE
14 years 1 months ago
2006
IEEE
Motion estimation (ME) plays an important role in video compression. Block-based ME has been adopted in most video compression standards due to its efficiency. In this paper, we p...
ICIAR
2009
Springer
2009
Springer
Interactive Image Segmentation Based on Hierarchical Graph-Cut Optimization with Generic Shape Prior
14 years 2 months ago
Abstract. A new algorithm for interactive image segmentation is proposed. Besides the traditional appearance and gradient information, a new Generic Shape Prior (GSP) knowledge whi...
ITCC
2005
IEEE
14 years 1 months ago
2005
IEEE
Many edge detection schemes suffer from the lack of image quality at the global level. Global properties are more vital in grayscale images due to loss of hue and texture. This pa...
ICIP
2003
IEEE
14 years 9 months ago
2003
IEEE
This paper investigates the use of the Bayesian inference for devising an unsupervised sketch rendering procedure. As likelihood model of this inference, we exploit the recent sta...