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A critical step in fingerprint recognition is to skeletonize the fingerprint image for minutiae extraction, which is recognized as "thinning" in image processing. The speed and reliability of the thinning process are important for the whole fingerprint identification system. In this paper, to accelerate the thinning process, a fast hardware thinning algorithm is implemented on the Xilinx...
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...
Watershed transformation is a powerful technique that can be efficiently used for image segmentation. In this paper, we implement a watershed based segmentation algorithm on a Virtex II Pro platform. The main contribution of this work is the low execution time and minimal internal FPGA consumed resources. The proposed architecture includes two main blocs. First, a gradient of the image is generated...
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