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:
Jun. 27, 1995
Filed:
May. 05, 1994
Dong H Lee, Seoul, KR;
Seung I Kim, Seoul, KR;
Goldstar Co., Ltd., Seoul, KR;
Abstract
Video format conversion apparatus and method for a high-definition TV capable of achieving motion compensation by macroblocks, determining stationary condition, motion-involved condition and scene change by pixels, and achieving interpolation by pixels, thereby accurately realizing conversion of a video of the interlaced scanning format into a video of the progressive scanning format. The video formation conversion is achieved by substituting the value of the current pixel by the mean of the values of reference pixels, positioned at the same position as the current pixel, respectively in a previous field and a next field when the current pixel is a stationary pixel, interpolating the current pixel through a motion compensation when the current pixel is a motion-involved pixel, determining whether a displaced frame difference is less than a predetermined threshold value when the current pixel is neither of the stationary one or the motion-involved one, substituting the current pixel value with the mean value of the reference pixel values in the previous and next fields when the displaced frame difference is less than the threshold value, and substituting the current pixel value by use of intra-field pixel values when the displaced frame difference is not less than the threshold value.