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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. 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.
Bing.com – Has an Advanced Image Search that offers images in different resolutions and also categorizes images. Allows free querying of the bing Image Search API up to a certain limit per day. Everystockphoto.com – Searching over 4.3 million public domain and creative commons photos including Wikipedia and NASA. Free user accounts with ...
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).
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
Photo identification or photo ID is an identity document that includes a photograph of the holder, usually only their face. The most commonly accepted forms of photo ID are those issued by government authorities, such as driver's licenses , identity cards and passports , but special-purpose photo IDs may be also produced, such as internal ...
Don't re-upload the image—just edit the image description page and add the licensing information! Also, the wiki software can change the display size of the images, so you do not need to re-upload a smaller version of the same image to use a smaller version in an article. See Wikipedia:Extended image syntax. There, you can learn how to use ...
If you have detailed information about the image, for example the name of the species or the size of the object, please add it. If you create images to upload that need to show the size of a depicted object, images with a ruler are better than images with a coin or similar item, since not everyone has access to the same type of item.
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.