Sökning: "motion estimation"
Visar resultat 11 - 15 av 171 avhandlingar innehållade orden motion estimation.
11. Motion estimation and compensation in medical imaging
Sammanfattning : This dissertation presents a framework for estimation of motion fields in 2D images, 3D volumes and multi-dimensional signal registration. The primary application is motion compensation for sequences of medical images and volumes with contrast agents. LÄS MER
12. Motion estimation for perceptual image sequence coding
Sammanfattning : Since the advent of television obtaining high perceived quality using a limited bandwidth has been an important issue. This thesis proposes new methods for exploitation of temporal and perceptual redundancy in image sequences to achieve lower coding rate and/or higher visual quality. LÄS MER
13. Models and Algorithms - with applications to vehicle tracking and frequency estimation
Sammanfattning : This thesis considers two different research problems; one concerned with the issue of tracking vehicles and one related to estimating frequencies in harmonic signals. The vehicle-tracking problem is addressed from the perspective of an automotive-safety application, which seeks to monitor the course of surrounding road users with the objective to make decisions regarding if, how and when to intervene. LÄS MER
14. Multi-scale feature tracking and motion estimation
Sammanfattning : This thesis studies the problems of feature tracking and motion estimation and presents an application of these concepts to human-computer interaction. The presentation is divided into three parts. The first part addresses feature tracking in a multi-scale context. LÄS MER
15. Polynomial expansion for orientation and motion estimation
Sammanfattning : This thesis introduces a new signal transform, called polynomial expansion, and based on this develops novel methods for estimation of orientation and motion. The methods are designed exclusively in the spatial domain and can be used for signals of any dimensionality. LÄS MER