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A multi-channel image superimposition system is designed in this paper. It can superimpose white-light image on infrared thermal image to generate mixture image. The system is realized on a FPGA chip and is mainly composed of multi-channel DMA controller and image superimposition module. Multi-channel DMA controller can realize data exchange between image superimpositon module and memory independent...
Impulse noise removal is a very important preprocessing operation in many computer vision applications. This paper presents a noise removal approach based on a simple conditional technique. As evaluations show, the presented technique performs significantly better than standard median filter and achieves superior image quality. Experimental FPGA implementation of the proposed technique for window...
This paper describes a FPGA-based verification methodology for the image signal processor (ISP) of system-on-chip (SoC) type CMOS image sensor. To make a verification environment, the complete ASIC prototyping system, the ARM7 TDMI CoreTile board and external interface boards - the sensor board, the USB board and the switch board - are used. As a verification method, 4-step verification strategy comprised...
Field programmable gate arrays (FPGAs) are in use to build high performance image processing systems. This paper presents the design and implementation of such an open FPGA-based digital camera system for image capturing and real-time image processing. Images captured with a CMOS sensor are initially stored in the system's memory and then they are displayed on an LCD touch panel. The main goal of...
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