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Digital image processing refers to the techniques used for improving the quality, enhancing or suppressing specific visual features, and extracting information from digital images. Computer vision as the subsequent stage of processing the visual information includes object recognition, interpretation of visual data, and analyzing the extracted information. This stage which imitates the human visual system on computers performs high level processing such as recognition, tracking, and interpretation through a-priori patterns or through learning from the sample images. Image processing and computer vision covers a vast range of applications from industrial, space, gaming, medical, security or military technologies, to robotics, human-computer interaction, navigation as well as facilitating daily life.
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