The Design And Realization Of Real Time Video Image Processing Module Based On DM642

In recent years, the development of DSP technology has put the theory achievement of digital signal processing field into practical systems, and pushed the progress of new theory and application. At the same time, it plays an important role in the field of image processing. With the development of infrared imaging technology and infrared focal plane array (IRFPA) solid image detectors, IRFPA is widely used in various imaging system in the military, industrial and commercial fields. In this paper, I designed and implemented a module for the real-time processing of the image based on the TMS320DM642, with the linking of the infrared thermal imaging technology and the digital signal processing (DSP) technology. It comes from one of our lab's projects, which is"the development of the instrument for the measuring of the temperature using the un-cooled infrared focal plane".In this paper, I researched the technology of the processing of the infrared image deeply, on the base of the character of the infrared image and the requirement of the application. I did many experiments to the temperature calibration of the un-cooled infrared focal plane detector, using the high accuracy blackbody and proposed the calibration approach of double segment, according to the experimental data. At the aspect of image enhancement technique, I proposed the adaptive gray-scale extension and enhanced the higher temperature region, which is important to this system.Through analyzing the design methods of many multimedia real-time processing platforms and the design theory and principle of the high-speed electronic system, I completed some work, such as frame design, selecting electronic components, schematic diagram designing, protract PCB board, welding etc. I completed the debugging of the hardware and the bottom-level driver with PC.