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In recent years the growth in quantity, diversity and capability of Earth Observation (EO) satellites, has enabled increase's in the achievable payload data dimensionality and volume. However, the lack of equivalent advancement in downlink technology has resulted in the development of an onboard data bottleneck. This bottleneck must be alleviated in order for EO satellites to continue to efficiently...
Blind Source Separation (BSS) has gained recognition in its application to many different fields of research such as medical, military, and industry fields. Of the many challenges that must be overcome to apply BSS to a real system, implementation restrictions are the most challenging. Software implementations require a significant amount of overhead to make them applicable to real-time systems, and...
Symmetric Table Lookup Addition Method (STAM) is an efficient approach to implement non-linear function approximation with hardware, in which only lookup tables and addition are involved, and size of table could be reduced remarkably due to symmetry of the second term of Taylor series. Nevertheless, the dominant memory occupier is the first term, which still uses relatively big table. An improved...
The presented work deals with reconfigurable systems with Self Adaptivity based on the FPGA technology. The work is based on partial dynamic reconfiguration of FPGA devices and analyzes Self Adaptive systems, their elements and features. The main part introduces placement algorithms and Step Adaptive algorithm for improving mapping on running network. The tests of algorithm are done on the sets of...
In conventional CORDIC algorithm, multiplier and a lookup table are needed to achieve calculation of multiple transcendental function, which will lead to hardware circuit complexity and lower operation speed. Aim at overcoming the shortcomings of traditional CORDIC algorithm, a modified CORDIC algorithm is proposed and implemented by FPGA program. The method does not need the module of correction...
Connected component labeling is a task that assigns unique IDs to the connected components of a binary image. The main contribution of this paper is to present a hardware connected component labeling algorithm for k-concave binary images designed and implemented in FPGA. Pixels of a binary image are given to the FPGA in raster order, and the resulting labels are also output in the same order. The...
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