Intensity-based dynamic speckle method using JPEG and JPEG2000 compression
| Autor: | Elena Stoykova, Blaga Blagoeva, Natalya Berberova-Buhova, Mikhail Levchenko, Dimana Nazarova, Lian Nedelchev, Joongki Park |
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| Rok vydání: | 2022 |
| Předmět: |
Image and Video Processing (eess.IV)
FOS: Electrical engineering electronic engineering information engineering FOS: Physical sciences Electrical and Electronic Engineering Electrical Engineering and Systems Science - Image and Video Processing Engineering (miscellaneous) Atomic and Molecular Physics and Optics Optics (physics.optics) Physics - Optics |
| Zdroj: | Applied Optics |
| ISSN: | 1539-4522 |
| Popis: | Statistical processing of speckle data enables observation of the speed of processes. In intensity-based pointwise dynamic speckle analysis, a map related to speed’s spatial distribution is extracted from a sequence of speckle patterns formed on an object under coherent light. Monitoring of time evolution of a process needs storage, transfer, and processing of a large number of images. We have proposed lossy compression of these images using JPEG and JPEG2000 formats. We have compared the maps computed from noncompressed and decompressed synthetic and experimental images, and we have proven that both compression formats can be applied in the dynamic speckle analysis. |
| Databáze: | OpenAIRE |
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