Add more screenshots of --palette=openemulator
Rename files for consistency
kris
13
README.md
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@ -52,7 +52,7 @@ This image was generated using
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python convert.py --lookahead 8 --palette openemulator examples/parrots-original.png examples/parrots-iipix-openemulator.dhr
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```
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The resulting ][-pix preview PNG image is shown here. The Virtual II emulator renders the double hi-res image identically to this generated preview image, when using `--palette=virtualii` (not shown here)
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The resulting ][-pix preview PNG image is shown here.
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@ -60,7 +60,7 @@ The resulting ][-pix preview PNG image is shown here. The Virtual II emulator r
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This is a screenshot taken from OpenEmulator when viewing the Double Hi-res image.
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Some difference in colour tone is visible due to blending of colours across pixels (e.g. brown blending into grey, in the background). This is due to the fact that OpenEmulator simulates the reduced chroma bandwidth of the NTSC signal.
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@ -142,7 +142,7 @@ By contrast, OpenEmulator uses a more complex (and realistic) band-pass filterin
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OpenEmulator screenshot of image produced with `--resolution=560 --palette=openemulator --lookahead=8`. The distorted background colour compared to the original is particularly noticeable.
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OpenEmulator screenshot of image produced with `--resolution=ntsc --lookahead=8`. Not only is the background colour a much better match, the image shading and detail is markedly improved.
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@ -268,7 +268,7 @@ The following images were generated with a palette approximating OpenEmulator's
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Preview image and OpenEmulator screenshot
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### ][-pix NTSC 8-pixel colour (Preview image)
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@ -319,17 +319,16 @@ The image is heavily impacted by colour fringing, which bmp2dhr does not account
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### bmp2dhr (OpenEmulator)
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These next two images were generated with a palette approximating OpenEmulator's colours (`--palette=openemulator` for ][-pix), i.e. not the same image files as above.
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This bmp2dhr image was generated using a palette approximating OpenEmulator's colours (`--palette=openemulator` for ][-pix), i.e. not the same image files as above.
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On OpenEmulator, which simulates NTSC chroma sub-sampling, the fringing is not pronounced but changes the colour balance of the image, e.g. creates a greenish tinge.
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### ][-pix, 4-pixel colour (OpenEmulator)
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Colour balance here is also slightly distorted due to not fully accounting for chroma blending.
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After Width: | Height: | Size: 10 KiB |
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After Width: | Height: | Size: 10 KiB |
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After Width: | Height: | Size: 518 KiB |
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@ -1,47 +1,111 @@
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# Gallery of images
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Here are some more images converted with ][-pix. They were all converted with `--palette virtualii --lookahead 8`.
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Here are some more images converted with ][-pix.
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* (top-left) original image
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* (top-right) image converted for display in Virtual II emulator (converted with `--palette virtualii --lookahead 8`)
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* (bottom-left) OpenEmulator screenshot of image converted with 8-pixel colour (converted with `--palette ntsc --lookahead 8`)
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* (bottom-left) OpenEmulator screenshot of image converted with 4-pixel colour (converted with `--palette openemulator --lookahead 8`)
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(Source: [T. R. Shankar Raman](https://commons.wikimedia.org/wiki/File:Bonnet_Macaque_DSC_1125.jpg), [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0), via Wikimedia Commons)
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(Source: [André Karwath aka Aka](https://commons.wikimedia.org/wiki/File:Primula_aka.jpg), [CC BY-SA 2.5](https://creativecommons.org/licenses/by-sa/2.5), via Wikimedia Commons)
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(Source: [H. Zell](https://commons.wikimedia.org/wiki/File:Vieja_melanura_-_Karlsruhe_Zoo_01.jpg), [CC BY-SA 3.0](https://creativecommons.org/licenses/by-sa/3.0), via Wikimedia Commons)
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(Source: [Michael Gäbler](https://commons.wikimedia.org/wiki/File:Dendrobates_azureus_(Dendrobates_tinctorius)_Edit.jpg), [CC BY 3.0](https://creativecommons.org/licenses/by/3.0), via Wikimedia Commons)
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(Source: [Yathin S Krishnappa](https://commons.wikimedia.org/wiki/File:Equus_quagga_burchellii_-_Etosha,_2014.jpg), [CC BY-SA 3.0](https://creativecommons.org/licenses/by-sa/3.0), via Wikimedia Commons)
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(Source: [Reinhold Möller](https://commons.wikimedia.org/wiki/File:Nymphaea_caerulea-20091014-RM-115245.jpg), [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0), via Wikimedia Commons)
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(Source: [Roman Eisele](https://commons.wikimedia.org/wiki/File:T%C3%BCbingen_-_Neckarfront_mit_vereistem_Neckar.jpg), [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0), via Wikimedia Commons)
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(Source: [Careyjamesbalboa (Carey James Balboa)](https://commons.wikimedia.org/wiki/File:Red_eyed_tree_frog_edit2.jpg), Public domain, via Wikimedia Commons)
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(Source: [Takeshi Kuboki from Amagasaki, Japan](https://commons.wikimedia.org/wiki/File:Autumn_foliage_2012_(8253659960).jpg), [CC BY 2.0](https://creativecommons.org/licenses/by/2.0), via Wikimedia Commons)
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(Source: [Basotxerri](https://commons.wikimedia.org/wiki/File:Galt%C3%BCr_-_Pferdekopf_01.jpg), [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0), via Wikimedia Commons)
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(Source: [Rhododendrites](https://commons.wikimedia.org/wiki/File:Mockingbird_in_GWC_(71606).jpg), [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0), via Wikimedia Commons)
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(Source: [Rhododendrites](https://commons.wikimedia.org/wiki/File:Mockingbird_in_GWC_(71606).jpg), [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0), via Wikimedia Commons)
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(Source: [Shreygadgil](https://commons.wikimedia.org/wiki/File:Vibrant_Wings.jpg), [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0), via Wikimedia Commons)
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(Source: [Cephas](https://commons.wikimedia.org/wiki/File:Marmota_monax_UL_04.jpg), [CC BY-SA 3.0](https://creativecommons.org/licenses/by-sa/3.0), via Wikimedia Commons)
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