It is known (Longuet-Higgins 1984) that if two spherical images of a visually textured surface, from f in i te ly separated viewpoints, allow more than one 3D interpretation, then the surface must be part of a quadric passing through the two viewpoints. It is here shown that this quadric is either a plane or a ruled surface of a type f i r s t considered by Maybank (1985) in a study of ambiguou...

We propose an algorithm for the estimation of the motion of a camera moving through a static environment (ie. the ego-motion) from matched points on two images. The algorithm correctly weights the observations by minimising point mis-match distances on the image-plane. Prior knowledge concerning the camera motion may also be included. The algorithm is iterative, but generally converges quickly....

in this paper, we consider an  i.e., multiple step-stress accelerated life testing (alt) experiment with unequal duration of time . it is assumed that the time to failure of a product follows rayleigh distribution with a log-linear relationship between stress and lifetime and also we assume a generalized khamis-higgins model for the effect of changing stress levels. taking into account that the...

are fully explained in the second ; refraction and astigmatism form the subject of the third, and the means of diagnosing and remedyiug the various abnormalities falling under these heads are plainly and carefully explained. The diseases of the eye are classified and described auatomically?the external first, and then the internal. Disturbances and failures of sight are treated of according to ...

A. Archinal, T. C. Duxbury, F. Scholten, J. Oberst, J. Danton, M. S. Robinson, D. E. Smith, G. A. Neumann, M. Zuber, and the LROC and LOLA teams. U. S. Geological Survey (2255 N. Gemini Dr., Flagstaff, AZ 86001, [email protected]); George Mason University; German Aerospace Center (DLR), Institute of Planetary Research; Technical University Berlin; Arizona State University; NASA Goddard Space F...

This paper presents a corpus-based study on rhythmic patterns in the RAG-collection of approximately 11.000 symbolically encoded ragtime pieces. While characteristic musical features that define ragtime as a genre have been debated since its inception, musicologists argue that specific syncopation patterns are most typical for this genre. Therefore, we investigate the use of syncopation pattern...