Aggressive region growing for speckle reduction in ultrasound images
Pattern Recognition Letters - Speciqal issue: Ultrasonic image processing and analysis
Real Time Noise Cleaning of Ultrasound Images
CBMS '04 Proceedings of the 17th IEEE Symposium on Computer-Based Medical Systems
A Real Time Speckle Noise Cleaning Filter for Ultrasound Images
CBMS '06 Proceedings of the 19th IEEE Symposium on Computer-Based Medical Systems
Finding out general tendencies in speckle noise reduction in ultrasound images
Expert Systems with Applications: An International Journal
An Embedded High Performance Ultrasonic Signal Processing Subsystem
ICESS '09 Proceedings of the 2009 International Conference on Embedded Software and Systems
A platform-based design framework for joint SW/HW multiprocessor systems design
Journal of Systems Architecture: the EUROMICRO Journal
Image quality assessment: from error visibility to structural similarity
IEEE Transactions on Image Processing
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In this paper, VLSI-DSP based a real time solution for Digital Scan Conversion (DSC) and speckle reduced imaging (SRI) of an ultrasonography (USG) are proposed. DSC is needed to convert the polar format data to Cartesian coordinate to make them compatible for the display device. To reduce Moire artifact a new interpolation algorithm is proposed which is a combination of warped distance based adaptive bilinear interpolation method and modified selective sampling technique. This new algorithm is implemented on TMS320C64x+DSP and is capable of processing 640x480 size images at the rate of 83 frames per second. Moreover, to reduce speckle noise a modified aggressive region growing filter is implemented on Xilinx XC2VP30 FPGA. It operates at 128.29MHz frequency, which is equivalent to processing 417 frames per second. With such high frame rate, motion blind detection of the objects may be possible using USG.