JPG output quality test...
Posted: Thu Feb 06, 2020 9:16 am
morning all,
I’m having a “play” in Pano2VR output, trying to find the best balance between image quality and file size. I’ve used a recent tour and rendered out different JPG quality – from 100% down to 65% (with a 15x7.5k equirect pano output between 15MB (65% compression) to 144MB (100% quality). I’m trying to find the balance between acceptable quality without too much obvious JPG compression artefacts. Here’s random versions – which do you think shows an acceptable amount of artefacts?:
1. https://www.360imagery.co.uk/draft/duns ... _church/BK
2. https://www.360imagery.co.uk/draft/duns ... church/DNW
3. https://www.360imagery.co.uk/draft/duns ... y_church/F
4. https://www.360imagery.co.uk/draft/duns ... _church/HS
5. https://www.360imagery.co.uk/draft/duns ... church/JPW
6. https://www.360imagery.co.uk/draft/duns ... y_church/M
7. https://www.360imagery.co.uk/draft/duns ... _church/QR
8. https://www.360imagery.co.uk/draft/duns ... church/VES
The first, nave, mast pano: 6D / Tokina 10-17mm @ 12mm f10 1600 ISO 1/40s. 6 x shots round = equirect. 10x5k pix
Remainder, 6D / Sigma 15mm @ f10. 6 shots @ -7.5, 2 x zenith @ 90 + offset nadir = equirect. 15x7.5k pix.
Interested to hear your thoughts…..!
Stu
I’m having a “play” in Pano2VR output, trying to find the best balance between image quality and file size. I’ve used a recent tour and rendered out different JPG quality – from 100% down to 65% (with a 15x7.5k equirect pano output between 15MB (65% compression) to 144MB (100% quality). I’m trying to find the balance between acceptable quality without too much obvious JPG compression artefacts. Here’s random versions – which do you think shows an acceptable amount of artefacts?:
1. https://www.360imagery.co.uk/draft/duns ... _church/BK
2. https://www.360imagery.co.uk/draft/duns ... church/DNW
3. https://www.360imagery.co.uk/draft/duns ... y_church/F
4. https://www.360imagery.co.uk/draft/duns ... _church/HS
5. https://www.360imagery.co.uk/draft/duns ... church/JPW
6. https://www.360imagery.co.uk/draft/duns ... y_church/M
7. https://www.360imagery.co.uk/draft/duns ... _church/QR
8. https://www.360imagery.co.uk/draft/duns ... church/VES
The first, nave, mast pano: 6D / Tokina 10-17mm @ 12mm f10 1600 ISO 1/40s. 6 x shots round = equirect. 10x5k pix
Remainder, 6D / Sigma 15mm @ f10. 6 shots @ -7.5, 2 x zenith @ 90 + offset nadir = equirect. 15x7.5k pix.
Interested to hear your thoughts…..!
Stu