Patent ID: 8731283

Claim:
An information processing apparatus, comprising: one or more processors operable to: store a threshold value in a storage unit; perform communication with a content delivery apparatus; receive first content data from the content delivery apparatus, convert the first content data into first image data before causing the storage unit to store the first image data, receive second content data generated by a portion or all of the first content data being updated from the content delivery apparatus, and convert the second content data into second image data before causing the storage unit to store the second image data; calculate first difference values of color information between corresponding pixels of the first image data and the second image data stored in the storage unit; extract a first region for generating a thumbnail image data from the second image data, wherein the first region is constituted by pixels with the first difference values which exceed the threshold value stored in the storage unit; and cut out the thumbnail image data corresponding to a first cutout region, wherein the first cutout region comprises a portion or the whole of the first region extracted from the second image data.