The way it works is very easy. Just drag and drop any image you want to search into the search bar and hit’ I am lucky’ and a result page containing the info about that image will be displayed. You use images on your computer or use the URLs of images you have online .
To get started using this service you need to head over to images.google.com and look for the camera icon the right hand side click on it and select the placement of your picture. Google Chrome and Firefox has extensions to help you quickly search images by right clicking on any image and selecting’ search Google with this image’.
To understand how this feature works read this extract :
Google uses computer vision techniques to match your image to other images in the Google Images index and additional image collections. From those matches, we try to generate an accurate “best guess” text description of your image, as well as find other images that have the same content as your search image. Your search results page can show results for that text description as well as related images.Watch this short video to how image searches are conducted using Google Image Search.
That’s it about Google Image Search – Search Infor about any Picture.