Development of an Image Retrieval Model for Biomedical Image Databases
Abstract
Image processing is the field of signal processing where both the input and output signals are images.Images can be thought of as two-dimensional signals via a matrix representation.Image processing a is very important subject, and finds itself in such fields as photography, satellite imaging, medical imaging, and image compression, to name but a few.In the past, image processing was largely done using analog devices (Cheng et al., 2006).However, as computers became more powerful, processing shifted toward the digital domain.Like one-dimensional digital signal processing, digital image processing overcomes traditional analog "problems" such as noise, distortion during processing, inflexibility of system to change, and difficulty of implementation.Image retrieval, popularly referred to as content-based image retrieval is an emerging technology that allows a user to retrieve relevant images in an effective and efficient manner.Digital imaging has extensive applications in our daily lives and it is being used for several applications.Examples of imaging applications are in museums for archiving important images and manuscripts from art gallery and museum management.Many useful applications of imaging are found in security for tracking an intruder, crime prevention, law enforcement and object recognition in digital forensic.In particular, image retrieval is potentially useful in discovering brain activation patterns, in classifications and in diagnoses by comparing observed…
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