How to get HDR images working with Sharp
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- Dominant language
- JavaScript
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Description
Question about an existing feature
What are you trying to achieve?
Trying to process HDR images and expecting to get correct HDR output
When you searched for similar issues, what did you find that might be related?
Could not find specific issues on it. Only this one: https://github.com/lovell/sharp/issues/2947
Please provide sample image(s) that help explain this question
Original HDR Image
01_base_hdr.jxl.zip
SDR Image
01_base_sdr.jxl.zip
JPEG for that image according to adobe
Output from sharp in JPEG:
Output from sharp in JXL:
01_base_hdr.jxl.zip
Here is the link to download HDR photos directly from ADOBE: https://www.adobe.com/go/gainmap_sample_photos
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with the attached HDR and SDR JXL samples, compare Sharp's JPEG and JXL outputs with the Adobe reference images, and review related issue #2947. Done means the expected HDR output behavior is reproduced or the existing feature's limitation is clearly documented.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- javascript, nodejs
- Domain
- computer-graphics
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100