This paper addresses the problem of computing the camera motion and the three-dimensional structure of a scene using two uncalibrated images as inputs. The camera motion is calculated by estimating the essential matrix and using approximate values, easily available, for the intrinsic parameters. The classical eight-point algorithm to calculate the essential matrix is known to be very sensitive ...

Global-motion estimation algorithms as they are employed in the MPEG-4 or H.264 video coding standards describe motion with a set of abstract parameters. These parameters model the camera motion, but they cannot be directly related to a physical meaning like rotation angles or the focal-length. We present a two step algorithm to factorize these abstract parameters into physically meaningful ope...

Inverse Synthetic Aperture Radar (ISAR) is used to produce high resolution imagery of non-cooperative targets by retrieving the relative motion parameters of a target with respect to a reference. This concept of estimating motion parameters is applied for obtaining cross-range resolution in ISAR imaging in which one component is produced by the relative motion between the radar and the target a...

An interframe coding method for multiview image sequences using 3-D models is presented. The 3-D motion is estimated using an optical ow formulation which also takes into consideration the photometric e ects of rotation, using a specular illumination re ection model. More speci cally, the Phong specular re ection model is used, resulting to a luminance model which depends on the surface normal ...

INTRODUCTION: Given the lengthy scan times (~10-17 minutes), motion corruption is a significant source of error in high resolution magnetic resonance imaging of trabecular bone (TB) [1], as it leads to blurring of the TB microstructure and results in a loss of sensitivity and reproducibility of the structural parameters [2]. Submillimeter in–plane translational motion can be effectively detecte...