FIELD: data processing.
SUBSTANCE: invention relates to information processing. Perception quality value is estimated by replacing a plurality of index values included in image browsing history data, an index value corresponding to a case other than any one of a plurality of predetermined data rates; calculating the contribution of each of the data transmission speeds included in the plurality of data transmission speeds to the perception quality value based on the estimated perception quality value; information indicating the degree of contribution is output, and the image distribution system is designed and re-designed based on information indicating the degree of contribution to the value of perception quality.
EFFECT: providing improved video quality by designing and re-designing an image distribution system based on the degree of contribution of each data transmission to the perception quality value.
8 cl, 6 dwg
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