| 摘要 |
PROBLEM TO BE SOLVED: To accelerate symbol generation processing in HD Photo and to reduce a storage capacity to be used for the symbol generation processing.SOLUTION: A symbol generation part 15 serially receives a data string of quantization data. When the quantization data of a non-zero coefficient is received, pieces of information on the absolute value, the zero run, and the code of the non-zero coefficient are stored in registers. When the quantization data of the next non-zero coefficient is received, the pieces of information on the absolute value, the zero run and the code stored in the registers are updated. At that time, the contents of the registers which have been stored until immediately before the reception are outputted as symbol data of the immediately preceding non-zero coefficient. |
