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Aiming at the characteristics of SIFT (Scale Invariant Feature Transform) algorithm which has large amount of calculation and can be highly paralleled, we propose an optimized FPGA implementation so that it can be accelerated on hardware. In this method, we firstly simplify the process of filtering image and generating Gaussian pyramids through selecting appropriate parameters and hardware structure,...
This paper presents a FPGA (Field Programmable Gate Array)-based remotely sensed imagery denoising method, named FPGA-based median filtering. The proposed method is capable of processing large volume data since it takes full advantages of FPGA hardware and abundant logic units. This paper first overviews the traditional median filtering algorithm, and then highlights the FPGA-based filtering, including...
This paper proposes a complete hardware and software solution of an image fusion system, which is based on All Programmable System on Chip (AP-SoC) platform. We adopt the modular reconfigurable ideology to divide image processing into two basic modules, which are used for image convolution and point operation. We take advantage of the low-delay and high-performance of data port to exchange data between...
In the MUSIC algorithm, as the final space signal search module, the spectrum peak search plays a vital role in the design. It is quite complicated, because of the choice of search methods, as well as to determine the scope of the search. To solve this problem, we use a two-step search method to determine the final orientation of spatial signal. This paper has completed a spectrum peak search module...
FPGAs are widely adopted in many application domains and the higher accuracy requirement of FPGA makes the diagnostics and prognostics techniques of FPGA-based system is becoming increasingly important. This paper takes the stuck-at fault of look-up table in programmable logic blocks as a research object and presents the diagnostic method based on the Built-in Self Test. Example is provided for the...
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