Abstract
An improved compression method of color digital hologram by using wavelet transform is proposed, and the image without color aliasing and distortion can be reconstructed from compressed digital hologram. With the presented method, wavelet decomposition, threshold, and quantization are used in the spectrum of hologram to reduce redundancy, then quantization and entropy coding are used in the spatial domain of hologram to remove coding redundancy further. Three different threshold methods for decomposition coefficients are used, and the high compression ratio as 83, 75 and 87 can be obtained respectively with the encoded color digital hologram. Meanwhile, the quality of the images reconstructed from digital hologram is minimally lost visually.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
