Patent ID: 6043853
Filing Date: 2000-03-28
Classification: H04N

Abstract:
Apparatus for emphasizing an outline of a video signal, comprising:means for generating horizontal and vertical detail signals, each representing a detail of a video image represented by a video signal;edge detection means for detecting edges in the video image and for detecting burst portions of the video signal;edge detection signal generating means for generating an edge detection signal corresponding in a first manner to the detected edges in the video image and corresponding in a second manner to the detected burst portions of the video signal, said first and second manners being different;gain setting means for receiving said edge detection signal and said vertical detail signal, and based thereupon, generating a gain setting signal;detail signal adjustment means for adjusting the vertical and horizontal detail signals in accordance with the generated gain setting signal to produce a plurality of second detail signals; andvideo signal modifying means for modifying said video signal in accordance with the generated second detail signals to produce an outline emphasized video signal.