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General scheme of content-based image retrieval. Content-based image retrieval, also known as query by image content and content-based visual information retrieval (CBVIR), is the application of computer vision techniques to the image retrieval problem, that is, the problem of searching for digital images in large databases (see this survey [1] for a scientific overview of the CBIR field).
An easy way to find such images is to search with the restriction to site:.gov OR site:.mil. Again, be creative and vary your search terms. Not all images on the .gov or .mil sites are public domain, however: works by local state governments are not necessarily in the public domain. In case of doubt, ask.
Images uploaded to Wikimedia Commons can easily be used here on English Wikipedia as well as by other language Wikipedias and Sister projects (the [[File:]] tag will find Wikimedia Commons images as if they were stored on Wikipedia). Another advantage of Wikimedia Commons is its category system that helps to organize and make images easy to find.
Legend: File formats: the image or video formats allowed for uploading; IPTC support: support for the IPTC image header . Yes - IPTC headers are read upon upload and exposed via the web interface; properties such as captions and keywords are written back to the IPTC header and saved along with the photo when downloading or e-mailing it
To upload images to Commons you can use the Commons Upload Wizard tool, which will guide you through the process. There is an important caveat: Commons accepts only freely licensed images . This means that you cannot upload most images found on the internet, as the vast majority of them are not free.
William's exact date of birth is not known, but according to Frank Barlow it occurred by 1060. [5] He was the third of four sons born to William the Conqueror and Matilda of Flanders, the eldest being Robert Curthose, the second Richard, and the youngest Henry.
The act of making a 2D image with a mobile phone camera. The display of the phone shows the photograph that will be made and stored. An image is a visual representation. An image can be two-dimensional, such as a drawing, painting, or photograph, or three-dimensional, such as a carving or sculpture.
Mustaine was born on September 13, 1961, [15] in La Mesa, California, [16] (a nearby suburb of San Diego) to parents Emily Marie (née David) and John Jefferson Mustaine. His father was of French, German, Irish, and Finnish descent, [17] [18] while his mother was of German Jewish ancestry.