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What is (Digital) SLR Camera

Chapter 5
Handbook of Research on Computational Forensics, Digital Crime, and Investigation: Methods and Solutions
An SLR (single lens reflex) camera uses a single lens system to bring an image to a film or sensor as well as the photographer looking through the viewfinder. In general, this means that the lens is interchangeable and that the photographer sees a direct lens view, as distinct from using a separate lens system in the viewfinder, or with contemporary digital cameras, seeing a view of the image on a digital screen. A digital SLR camera uses a digital image sensor instead of film.
Published in Chapter:
Digital Camera Photographic Provenance
Matthew Sorell (University of Adelaide, Australia)
Copyright: © 2010 |Pages: 26
DOI: 10.4018/978-1-60566-836-9.ch005
Abstract
Whether investigating individual photographs or a large repository of images, it is often critical to establish some history of the generation, manipulation and/or distribution of the images, which is to say the provenance. The applications of image provenance are wide, including the detection of steganographic messages and image tampering, the clustering of images with like provenance, and the gathering of evidence which establishes (or refutes) a hypothetical source. This chapter considers published research and identifies research gaps which address the general challenges of digital image provenance with an explicit emphasis on evidence related to the camera or other digital source.
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