Differences

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--- isp:luminance [2023/09/06 00:31] – Igor Yefmov
+++ isp:luminance [2023/09/06 00:34] (current) – [BT. 709] Igor Yefmov
@@ Line 2: / Line 2: @@
 ===== BT. 709 =====
-Luminance of a pixel (read more on [[https://en.wikipedia.org/wiki/Luma_(video)|Wikipeia]]) is a measure of perceived brightness and is calculated in SUB2r code using the following formula:
+Luminance of a pixel (read more on [[https://en.wikipedia.org/wiki/Rec._709|Wikipeia]]) is a measure of perceived brightness and is calculated in SUB2r code using the following formula:
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@@ Line 10: / Line 10: @@
 This is in accordance with the HDTV's BT.709 recommendation (and not the "expected" CCIR 601) and the UVC descriptors for USB video transmission reflect that choice.
-===== CCIR 601 =====
+===== BT. 601 =====
+A.k.a. [[https://en.wikipedia.org/wiki/Rec._601|CCIR 601]]
 If we were to chose the CCIR 601, which is used in most digital standard definitions, the coefficients would be: