Outline of the Talk. a. Infrared background overview -- Infrared characteristics and applications -- Infrared system engineering b. The imaging system -- E/O subsystem -- Video processing subsystem -- Image processing subsystem -- Other peripherals c. Infrared image processing -- Target acquisition and detection -- Noise reduction -- Contrast enhancement -- Edge detection -- Thresholding -- Feature extraction and computation -- Target selection -- Tracking mode d. Hardware design and implementation -- Block diagram -- Detail design -- MSI/LI -- EPLD/CPLD --FPGA --ASIC/SMD e. Conclusion