Image data processing apparatus and method

摘要

A image signal processing apparatus and method for static image display are disclosed. Deformation at an edge of an image can be reduced by eliminating a temporal factor and vertical resolution can be retained even after data supplementation In the process of compressing and decompressing interlace-scanned image data, one of two fields of a frame is selected by a field selector (102), image data is supplemented and reproduced based on the selected field data by a Frame supplementor (103), and image data is outputted as a static image without deformation. As a result, more bits can be allocated for encoding by selecting and compressing one field data only and it leads to a higher quality image display. Furthermore, display deformation can be reduced by supplementing high frequency components as zero in the decompression processing.