102 search results - page 1 / 21 » Variational Phase Imaging Using the Transport-of-Intensity E... |
MICCAI
2007
Springer
14 years 5 months ago
2007
Springer
We present a novel method to track a guidewire in cardiac x-ray video. Using variational calculus, we derive differential equations that deform a spline, subject to intrinsic and e...
DAGM
2006
Springer
13 years 8 months ago
2006
Springer
Abstract. Recently, the Phase Field Method has shown to be a powerful tool for variational image segmentation. In this paper, we present a novel multi-phase model for probability b...
ISBI
2004
IEEE
14 years 5 months ago
2004
IEEE
Ultrasound images are corrupted by a multiplicative noise, the speckle, which makes high level analysis difficult. Within each resolution cell a number of elementary scatterers re...
MICCAI
2007
Springer
14 years 5 months ago
2007
Springer
This paper presents a novel method for phase unwrapping for phase sensitive reconstruction in MR imaging. The unwrapped phase is obtained by integrating the phase gradient by solvi...
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
Conventional methods for rotation angle estimation are not very robust to variations in object shape or intensity. However in real object recognition scenarios like in underwater ...