In addition, searching by user's drawing is also available on GazoPa for iPhone app, that is very popular feature at GazoPa.com. This search by drawing enables users to search for items that users have in their mind. Users only need to draw what they want to search when they feel difficulty in expressing them in words or have no photo related to those items. Hitachi's advanced similar image search technology allows users to find images similar to their drawing.
GazoPa for iPhone app also has a search option such as search by color, layout, shape and the ability to filter by size, video thumbnail. This gives users more chances to find their desired images.
The GazoPa for iPhone app can be found by searching for 'GazoPa' in the iPhone App Store, or at this link if you have iTunes installed.