Patent ID: 7649555
Filing Date: 2010-01-19
Classification: H04N

Abstract:
1. An apparatus for processing a dead pixel, comprising: a horizontal dead pixel detection module, the horizontal dead pixel detection module determining whether a base pixel is a dead pixel by comparing the base pixel with at least one pixel adjacent to the base pixel in a same row, the horizontal pixel detection module referencing the dead pixel by a pixel flag to generate a corrected pixel data, the corrected pixel data including the pixel flag; a memory, the memory storing the corrected pixel data; and a vertical dead pixel processing module, the vertical dead pixel processing module comparing a sum of a plurality of pixel flags included in a predetermined sized corrected pixel data block of the corrected pixel data outputted from the memory and a first threshold value, the vertical dead pixel processing module replacing original pixel data located in the predetermined sized corrected pixel data block with compensated pixel data in accordance to a result from the comparing of the sum of the plurality of pixel flags and the first threshold value.