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:
May. 12, 1998
Filed:
Jun. 06, 1996
Hiroyuki Fukuchi, Tokyo, JP;
Kinya Osa, Tokyo, JP;
Nippon Steel Corporation, Tokyo, JP;
Abstract
A moving picture signal decoder for decoding compressed picture data resulting from compressing original picture data by use of a combination of picture information including picture data of each frame of a moving picture signal and motion vector information including a motion vector between frames, the moving picture signal decoder comprising demultiplexer device for demultiplexing the compressed picture data to obtain the picture data and the motion vector; decoding device for decoding the picture data to obtain decoded picture data; down-sampling device for (i) down-sampling the decoded picture data so that the decoded picture data has 1/M a number of pixels included in the original picture data, where M is a positive integer, in one of a reverse playback mode and a fast forward/reverse playback mode and (ii) passing the decoded picture data as it is in a normal playback mode; scaling device for (i) multiplying the motion vector by 1/m in one of the reverse playback mode and the fast forward/reverse playback mode and (ii) passing the motion vector as it is in the normal playback mode; memory device for storing the decoded picture data output from the down-sampling device; and memory reading device for reading the sampled picture data from the memory device in a predetermined order by using the motion vector output from the scaling device.