Patent ID: 8824789
Filing Date: 2014-09-02
Classification: H04N

Abstract:
1. An image encode controller executed by a processor comprising: a chroma component adjuster configured to adjust an original color component of an original pixel of original image data in accordance with a quantization coefficient to generate an adjusted chroma component; a difference generator configured to generate a difference pixel component; a quantizer configured to quantize an output of the difference generator on the basis of the quantization coefficient; an inverse-quantizer configured to inversely quantize an output of the quantizer on the basis of the quantization coefficient; and a variable codeword length encoder configured to perform variable codeword length encoding with respect to an output of the quantizer to generate encoded data, wherein the difference generator generates the difference pixel component on the basis of a pixel component corresponding to an i-th pixel (where i denotes natural number), the adjusted chroma component, and an output of the inverse-quantizer corresponding to the (i−1)th pixel.