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- W4221036607 abstract "Digital speckle correlation method has not only been widely used in a variety of photometric mechanical scenarios, but also integrated with multiple disciplines. In the future, it will even be inextricably linked to the Internet of Things, autonomous driving, deep learning and other fields. For a given hardware condition, it is of great significance to improve the efficiency of integer-pixel search and increase the accuracy and efficiency of the sub-pixel algorithm. In this paper, we propose an improved digital speckle correlation method, which consists of an integer-pixel search algorithm and a sub-pixel search algorithm. With respect to the integer-pixel search, aiming to address the two problems of uniqueness of maximum value and parameter setting of PSO-W algorithm, the algorithm PSO-1 is proposed, and the results of comparison experiments show that it has higher search efficiency. In terms of sub-pixels, based on IC-GN algorithm with the highest accuracy at present, the IV-ICGN algorithm is proposed, and the simulation experiment results show that the proposed algorithm has higher accuracy and higher efficiency than the comparison algorithm." @default.
- W4221036607 created "2022-04-03" @default.
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- W4221036607 date "2022-03-09" @default.
- W4221036607 modified "2023-09-26" @default.
- W4221036607 title "Improved Search Algorithm of Digital Speckle Pattern Based on PSO and IC-GN" @default.
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- W4221036607 doi "https://doi.org/10.3390/photonics9030167" @default.
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