| 摘要 |
A context generation circuit for a small screen, and a method therefor, are provided. The circuit can generate a context with respect to an image that is larger than the horizontal size of a context using two-line and three-line templates, and also combine the position of a modified two-line template or modified three-line template overlapping an input image with the corresponding space in a register. Also, the circuit generates a context by inserting an arithmetic "0" into the position of the modified two-line template or modified three-line template which does not overlap the image. Therefore, an image having a small horizontal size can be effectively processed, and the circuit operates at high speed, and is reliable.
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