大约有 650 项符合查询结果(耗时:0.0172秒) [XML]
Convert light frequency to RGB?
...lations assume the 2° standard colorimetric observer" phrase, which means CIE 1931 table found in accompanying source to the paper should be used and not CIE 1964.
– GrayFace
Feb 10 '14 at 7:45
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How can I split a JavaScript string by white space or comma?
... of the dangling comma at the end), thanks!
– Rafał Cieślak
May 2 '19 at 14:40
...
Formula to determine brightness of RGB color
..., or broken.
Briefly:
sRGB must be LINEARIZED before applying the coefficients.
Luminance (L or Y) is linear as is light.
Perceived lightness (L*) is nonlinear as is human perception.
HSV and HSL are not even remotely accurate in terms of perception.
The IEC standard for sRGB specifies a thresho...
Pretty-print a Map in Java
...d Oct 28 '13 at 15:35
Arkadiusz CieślińskiArkadiusz Cieśliński
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How to compare two colors for similarity/difference
...is a low cost approximation of the quite complicated real formula (by the CIE which is the W3C of color, since this is a not finished quest, you can find older and simpler color difference equations there).
good luck
Edit: For posterity, here's the relevant C code:
typedef struct {
unsigned...
Converting RGB to grayscale/intensity
...won't see much difference.
RGB -> ^gamma -> Y -> L*
In color science, the common RGB values, as in html rgb( 10%, 20%, 30% ),
are called "nonlinear" or
Gamma corrected.
"Linear" values are defined as
Rlin = R^gamma, Glin = G^gamma, Blin = B^gamma
where gamma is 2.2 for many PCs.
Th...
Programmatically obtain the Android API level of a device?
...ed Nov 2 '14 at 11:01
Arkadiusz CieślińskiArkadiusz Cieśliński
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pozyczka pozabankowa - 其他 - 清泛IT社区,为创新赋能!
... planujących uzyskać kredyt gotówkowy - przynajmniej mówimy w tym momencie o czytelnikach naszej strony. Rzeczywistość jest taka, że przedstawiliśmy w serwisie wartościowe rady, które sprawiają, iż trafienie na kredyt bez zaświadczeń,pożyczka bez zaświadczeń, oczywiście całkiem ko...
Vim users, where do you rest your right hand? [closed]
...r the arrows. Even though I understand that your suggested way is more efficient, I doubt I'll ever have enough courage to switch to it.
– Mikhail Kalashnikov
Apr 22 '16 at 21:32
2...
搜狗百度入口之争升级 开放竞合成流量变现抓手 - 资讯 - 清泛网 - 专注C/C+...
...“灵犀”输入法说起。简单的来说,此前当用户打开百度搜索框,行为非常明确使用百度进行搜索行为时,用户使用“搜狗输入法”在百度搜索框输入文字,搜狗“灵犀”输入法自动(注意非用户行为)提供混淆百度搜索联想功能...