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Digital Photo Processing

By Vít Zdražil


This document focuses on processing of RAW image data from digital cameras. In first section is described principle of image capturing by digital camera, common way of image processing in the device and what the RAW format is, its pros and cons. In the next section is described existing demosaicing methods, methods for additional processing of RAW image data and there is analyzed specific RAW format, Canon's CR2, including structure and guide for its conversion. Next sections contains proposal of the new improved demosaicing method and method for suppressing digital noise. On this basis a library for basic CR2 files processing was implemented. There is comparison of methods for processing RAW image data with this library in the next section. In the conclusion there is summary of finished work and there is also mentioned outline of future work

Topics: CR2; převod; barevná interpolace; konverze; LS-JPEG; vyvážení bílé barvy; demosaicing; white balance; processing; digital photography; RAW; digitální fotografie; Bayer; removing noise; potlačení šumu; coversion; zpracování
Publisher: Vysoké učení technické v Brně. Fakulta informačních technologií
Year: 2007
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