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Phase unwrapping is the reconstruction of a function of a grid given its values mod 2??, which is a key problem in all quantitative applications of synthetic aperture radar (SAR) interferometry and other related fields. In this paper, a path following algorithm for phase unwrapping based on priority queue and quantized quality map is proposed and tested. A discrete quality map and a priority queue...
Satellites gather information from different sensors and send it using a temporal connection with very limited bandwidth. The bandwidth demand can be highly reduced if the satellite preprocesses the data and only sends relevant information. FPGAs offer the necessary flexibility and performance to carry out this preprocessing step. We have designed and implemented the well-known PPI algorithm for hyper...
The paper presents a novel and efficient method of regular geometric shape detection from gray scale images. Artificial ant based methods have not been used much in the field of image processing. This paper demonstrates how artificial ants can be used effectively to extract regular geometric shapes from images. We propose here ant regeneration and recombination system (ARRS), an entirely new approach...
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