Patent ID: 7085318
Filing Date: 2006-08-01
Classification: H04N

Abstract:
1. A picture processing apparatus for receiving an input picture signal and generating an output picture signal with higher quality than the input picture signal, comprising: first signal processing means, having storing means for storing a picture signal with the same quality as the output picture signal, said first signal processing means adding the input picture signal and the picture signal stored in said storing means so as to generate a first picture signal with higher quality than the input picture and store the first picture signal to said storing means; second signal processing means for extracting a feature of the input picture signal corresponding to the position of a considered pixel of the output picture signal, categorizing the considered pixel as one of a plurality of classes corresponding to the feature, and calculating the input picture signal using a predetermined calculating method corresponding to the categorized class so as to generate a second picture signal with higher quality than the input picture signal; and output selecting means for performing a determination for the first picture signal and the second picture signal and selecting one of the first picture signal and the second picture signal as the output picture signal.