1
Peter Weiss, Bjorn Christensson: Iterative method for estimating motion content in video signals using successively reduced block size. DV Sweden, September 17, 1996: US05557341 (72 worldwide citation)

A block matching method for estimating motion contents in a video signal is presented. The motion is represented by a two-dimensional motion vector field, including horizontal and vertical vector components. The method can be used in a wide range of applications, has high spatial and motion vector r ...


2
Peter Weiss, Bjorn Christensson: Method for adaptive estimation of unwanted global picture instabilities in picture sequences in digital video signals. DV Sweden, Jacobson Price Holman & Stern, April 23, 1996: US05510834 (28 worldwide citation)

A method for estimation of global error motion vectors, which represent unwanted global picture instabilities in a picture sequence in digital video signals. The method uses a motion vector estimator with an adaptively variable measuring time distance, as well as spatial processing and temporal proc ...


3
Peter Weiss, Bjorn Christensson: Method for detecting and removing errors exceeding a specific contrast in digital video signals. DV Sweden, Jacobson Price Holman & Stern PLLC, February 25, 1997: US05606631 (17 worldwide citation)

A method for detecting and removing errors in pictures associated with a picture sequence in digital video sigals is disclosed. For this purpose an error detector and a filter for continuous processing of pixels associated with said pictures is used. The error detector detects an error if at least o ...


4
Bjorn Christensson, Goran Appelquist, Peter Weiss: Method for processing a stream of pictures. Jacobson Price Holman & Stern, Professional Liability Company, October 24, 2002: US20020154824-A1

The invention relates to a method and an apparatus for processing a stream of pictures. The method comprises the steps of selecting a first portion of pictures from a stream of pictures fulfilling a quality measure for processing in a first processing unit PROC1, and selecting a second portion of pi ...