The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 02, 2011
Filed:
Oct. 03, 2006
Thomas Guionnet, Rennes, FR;
Tanguy Person, Rennes, FR;
Jean Kypreos, Betton, FR;
Envivio France, Chantepie, FR;
Abstract
Method and apparatus for detecting transitions in a video sequence, which include detecting an abrupt transition including, for each image Iincluded in said video sequence and with a processing time rank t−2k: calculating a first distance D(I), between an image Iand a reference image for said image I, which precedes said image Iin the video sequence; calculating a second distance D(I), between an image Iand a reference image for said image I, which precedes said image Iin the video sequence; calculating a third distance D(I), between an image Iand a reference image for said image I, which precedes said image Iin the video sequence; calculating a criterion C' indicating whether said second distance D(I) is significantly greater than the largest of the first and third distances, D(I) and D(I); deciding, according to said criterion C′, on the belonging of the image Ito an abrupt transition.