1. Now you can search image search engines, photo sharing websites or your own local picture collections simultaneously.

2. To search image by content, you must first import an image, or draw a sketch, that you can use to query and present images from a collection.

3. We peoples search image using cognitive features rather than signal features.

4. According to the analysis pre-processing measures mainly base on optimizing search image model are proposed and employed to minimize the influences of noise.

5. I'll look at two open-source desktop search engines, imgSeek and Terrier, which are handy tools when I search image files and XML documents that contain text and references to images.