Processor, information processing apparatus, and operation method of processor

An information processing apparatus comprising:

• a processor;
• and
• a main memory configured to be accessed by the processor, wherein
• the processor includes
• a first memory configured to store image data including pixel data of a plurality of pixels that are two-dimensionally arranged,
• a second memory configured to store neighborhood matrix image data including pixel data of a neighborhood matrix, and
• a format converter that includes
• a readout circuit configured to read out the image data from the first memory,
• a padding arithmetic unit configured to receive the read-out image data, select pixel data of the received read-out image data and padding data inserted at periphery of the plurality of pixels in accordance with mask values of a padding mask, and generate the neighborhood matrix image data including the pixel data and the padding data, and
• a writing circuit configured to e the neighborhood matrix image data to the second memory.

An operation method performed by a processor including a first memory, a second memory, and a format converter, the first memory being configured to store image data including pixel data of a plurality of pixels that are two-dimensionally arranged, the second memory being configured to store neighborhood matrix image data including pixel data of a neighborhood matrix, the format converter being configured to generate the neighborhood matrix image data, the operation method comprising:

• reading out the image data from the first memory,
• receiving the read-out image data;
• selecting pixel data of the received read-out image data and padding data inserted at periphery of the plurality of pixels in accordance with mask values of a padding mask;
• generating the neighborhood matrix image data including the pixel data and the padding data;
• and
• writing the neighborhood matrix image data to the second memory.