Can Google analyze and rank photos as it does with text? Two of the company's scientists presented a paper at the International WWW Conference in Beijing last week that will allegedly remove Google's dependence on the alt text accompanying a picture, allowing the engine to rank images based solely on their content.
The process, called VisualRank, uses an algorithm that combines image-recognition software with techniques for determining which images look most similar to one another, resulting in a ranking that doesn't require text. If the process works, this could mean humans would no longer be required to provide metadata in order to describe photos to search engines.
Read the whole story at Search Engine Journal »