Optical field data compression by opto-digital means
Autor: | Roberto Torroba, Sorayda Trejos, Myrian Tebaldi, Alejandro Ramírez Vélez, John Fredy Barrera |
---|---|
Jazyk: | angličtina |
Rok vydání: | 2016 |
Předmět: |
Computer science
Ciencias Físicas Holography ComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISION Ingeniería Physics::Optics 02 engineering and technology Optical field Lossy compression 01 natural sciences law.invention HOLOGRAPHY 010309 optics purl.org/becyt/ford/1 [https] 020210 optoelectronics & photonics Optics law 0103 physical sciences 0202 electrical engineering electronic engineering information engineering DATA PROCESSING BY OPTICAL MEANS Ciencias Exactas business.industry Compression Física Data compression ratio computer.file_format purl.org/becyt/ford/1.3 [https] JPEG Atomic and Molecular Physics and Optics Electronic Optical and Magnetic Materials Astronomía Data processing by optical means COMPRESSION business computer CIENCIAS NATURALES Y EXACTAS Image compression Volume (compression) Data compression |
Zdroj: | CONICET Digital (CONICET) Consejo Nacional de Investigaciones Científicas y Técnicas instacron:CONICET SEDICI (UNLP) Universidad Nacional de La Plata instacron:UNLP |
Popis: | Compression of optical field data is of interest due to the many applications where this kind of information processing is necessary. In particular, holographic recording has significant requirements in a high volume of both phase and amplitude data. We analyze and present a comparison between the performances of two lossy compression methods applied over optical field data: the optical scaling compression technique based on a virtual optical system that performs a scaling of the optical field data, and the JPEG format. In particular, we study the compression of optical fields data extracted from off-axis digital holograms. Our results show that optical scaling is better suited for the compression of the highly random phase information found in the optical field data of 3D diffuse objects. Data loss and volume reduction for each method are measured and compared. Facultad de Ciencias Exactas Facultad de Ingeniería Centro de Investigaciones Ópticas |
Databáze: | OpenAIRE |
Externí odkaz: |