Gamma function testsby Billy Biggs <vektor@dumbterm.net> The following images were generated to try and test how close my monitor is to various gamma standards. The left hand side of each image is a repeating pattern of pure white and black pixels: [ BLACK WHITE ] [ WHITE BLACK ] The right hand side is half-intensity grey according to each standard. They should look close to identical in a properly configured viewing environment for that standard. sRGB Gamma Curve
pow( value, 0.45 )
Rec.709 Gamma Curve![]()
No gamma correction![]() The following tests to see if there is a surround effect when testing gamma plates. sRGB Gamma Curve
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![]() | gamma709.png | 2003-08-25 11:00 | 2.3K | |
![]() | half-none.png | 2003-08-25 11:33 | 273 | |
![]() | half-pow0.45.png | 2003-08-25 11:33 | 274 | |
![]() | half-rec709.png | 2003-08-25 11:33 | 274 | |
![]() | half-srgb.png | 2003-08-25 11:33 | 274 | |
![]() | halfblue-pow0.45.png | 2003-08-25 11:33 | 271 | |
![]() | halfblue-rec709.png | 2003-08-25 11:33 | 271 | |
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![]() | halfgreen-pow0.45.png | 2003-08-25 11:33 | 271 | |
![]() | halfgreen-rec709.png | 2003-08-25 11:33 | 271 | |
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![]() | halfred-pow0.45.png | 2003-08-25 11:33 | 271 | |
![]() | halfred-rec709.png | 2003-08-25 11:33 | 271 | |
![]() | halfred-srgb.png | 2003-08-25 11:33 | 271 | |
![]() | large-half-srgb.png | 2003-08-25 11:55 | 3.0K | |
![]() | large-halfblue-srgb.png | 2003-08-25 11:55 | 2.9K | |
![]() | large-halfgreen-srgb..> | 2003-08-25 11:55 | 2.9K | |
![]() | large-halfred-srgb.png | 2003-08-25 11:55 | 2.9K | |
![]() | medium-half-srgb.png | 2003-08-25 11:54 | 1.1K | |
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![]() | medium-halfred-srgb.png | 2003-08-25 11:54 | 1.1K | |
![]() | medium-revhalf-srgb.png | 2003-08-25 11:59 | 1.1K | |
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![]() | old/ | 2003-08-25 11:33 | - | |