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Overivew

Project Title

Low-Complexity Lossless & Near-Lossless Multispectral & Hyperspectral Image Compression, Issue 2

Approval

Approved

Project Status

On Schedule

Project Phase

RID Resolution 2

Document Number

123.0

Charter

5.03 Multispectral and Hyperspectral Data Compression Working Group

Document Type

Blue

Description of Document

This project extends the CCSDS-123.0-B-1 (Lossless Multispectral & Hyperspectral Image Compression) to also provide near-lossless compression. A consequence of this addition is a change in the book title for Issue 2. Such a recommendation targets applications requiring very high-fidelity reconstructed image data and low-complexity (i.e., fast) onboard implementation. Near-lossless compression provides a user-specified guarantee on the maximum error introduced by compression, unlike transform-based methods which work well for applications requiring very high compression ratios.

Applicable Patents

There are no patent issues for this technology that are known by the CCSDS community

Patent Comments

Some algorithm details have yet to be resolved, but presently the WG is unaware of any patent concerns.

Survey of Similar Standards
Documents or Projects
Undertaken in Other Bodies
and elsewhere in CCSDS

* The JPEG-LS recommendation provides low-complexity lossless and near-lossless compression and supports multi-band images. However, the underlying compression method is fundamentally a 2D compressor and fails to exploit significant correlation between spectral bands, thus yielding significantly less effective compression than the proposed Recommendation. * The CCSDS-122.1-B Recommendation under development provides lossless and lossy compression, and effectively exploits correlations between spectral bands. However, this transform-based method is significantly less effective at high bit rates, and does not provide users with a quantifiable guarantee on the maximum reconstruction error of any sample. This transform-based approach also has substantially higher complexity. * There are numerous other 2D image compression approaches that take little or no advantage of correlations in the spectral dimension.

Resources

Book Editor

ESA

Book Editor Resources

8mm

Prototype 1

NASA

Prototype 1 Resources

5mm

Prototype 2

ESA

Prototype 2 Resources

3mm

Prototype 3

Prototype 3 Resources

Contribute

CNES, NASA

Monitor Only

Resource Comments

Schedule

Legend for Schedule Milestones
Orange Bullet = Required for Orange Books
Green Bullet = Required for Green Books
Magenta Bullet = Required for Magenta Books
Blue Bullet = Required for Blue Books
Note - Red Books are Draft Blue/Magenta Books

Schedule Milestones
Orange BookGreen BookMagenta BookBlue Book
Original Completion Date
(Date in M/D/YYYY format.)
Estimated Completion Date
(Date in M/D/YYYY format.)
Actual Completion Date
(Date in M/D/YYYY format.)
Comments
(Date in M/D/YYYY format.)
Project ApprovedOrange BulletGreen BulletMagenta BulletBlue Bullet6/1/20156/1/20154/10/2015CMC-P-2015-03-007
Project Start DateOrange BulletGreen BulletMagenta BulletBlue Bullet11/10/201511/10/201511/10/2015
Internal WG Review
First Draft Circulated to WGOrange BulletGreen BulletMagenta BulletBlue Bullet3/10/20163/10/20163/21/2016
First Draft Comments DueOrange BulletGreen BulletMagenta BulletBlue Bullet4/10/201611/10/201711/6/2017
Second draft circulated to WGOrange BulletGreen BulletMagenta BulletBlue Bullet10/10/20163/16/20182/28/2018
Second Draft Comments DueOrange BulletGreen BulletMagenta BulletBlue Bullet11/10/20164/20/20183/19/2018
Final WB Submitted to AD for Further ProcessingOrange BulletGreen BulletMagenta BulletBlue Bullet3/10/20176/12/20183/23/2018
External Milestones
Secretariat Document ProcessingOrange BulletGreen BulletMagenta BulletBlue Bullet5/10/20178/13/20186/29/2018Review started 6/29/2018
First Agency ReviewMagenta BulletBlue Bullet7/10/201710/15/20189/7/2018Review closes 9/7/2018
RID ResolutionMagenta BulletBlue Bullet11/10/201712/17/201810/17/2018
Secretariat Document Processing 2Magenta BulletBlue Bullet12/10/20171/17/2019
Final Agency ReviewMagenta BulletBlue Bullet2/10/20183/18/2019
RID ResolutionMagenta BulletBlue Bullet4/10/20185/20/2019
First Prototype DevelopmentBlue Bullet7/10/20163/15/20184/1/2018
First Prototype DevelopmentBlue Bullet7/10/20163/15/20184/1/2018
CMC ApprovalOrange BulletGreen BulletMagenta BulletBlue Bullet5/25/20186/28/2019
Total Time to Complete
(in months)
30
43
Attachments
Version: 325.0
Created at 3/26/2015 6:21 PM by Kiely Aaron
Last modified at 10/17/2018 5:09 AM by Aaron Kiely