pms gray color chart

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RGB color turn gray color algorithm

Original: http://www.cnblogs.com/carekee/articles/3629964.html First, the basicFor color turn grayscale, there is a well-known psychological formula: Gray = r*0.299 + g*0.587 + b*0.114 Second, integer algorithm In practical applications, it is desirable to avoid low-speed floating-point operations, so integer arithmetic is required.Note that the coefficients are all 3-bit accurate, and we can scale them up

Convert from RGB color to gray color algorithm __ algorithm

255, and because different bits have different brightness levels, the specific values of Y are as follows: Y = y/(1 Finally, it is important to note that the Y-value is stored in a different way, with the corresponding number of digits to store the corresponding Y-value. //----------------------------------------------------------RGB565 Turn 8-bit grayscale//----------------------------------------------------------TUint8 Gm_red,gm_green,gm_blue;TInt16 *des_ptr;TInt16 *pt;PT = (TInt16 *) P8; RG

Convert from RGB color to gray color algorithm

255, and because different bits have different brightness levels, the specific values of Y are as follows: Y = y/(1 Finally, it is important to note that the Y-value is stored in a different way, with the corresponding number of digits to store the corresponding Y-value. //----------------------------------------------------------RGB565 Turn 8-bit grayscale//----------------------------------------------------------TUint8 Gm_red,gm_green,gm_blue;TInt16 *des_ptr;TInt16 *pt;PT = (TInt16 *) P8; RG

"Go" from RGB color to gray color algorithm

the formula, which is actually the level of brightness, brightness from 0 to 255, because different bits have different luminance levels, so the specific value of Y is as follows:Y = y/(1The last point to note is that the Y value is stored differently, and the corresponding Y value is saved with the corresponding number of digits.//----------------------------------------------------------RGB565 Turn 8-bit grayscale//----------------------------------------------------------TUint8 Gm_red,gm_gre

Use GDI + to convert 24-bit true-color images to 8-bit gray images

, which has been widely used on the web, in addition, there are GIF, PNG, and so on. The second is that when bitmap is enlarged, it is inevitable that the bitmap will appear "sawtooth", which is also determined by the essential characteristics of the bitmap. Therefore, in reality, we also need to use another image format: vector image. Different from bitmap, a vector chart is different from a bitmap. A vector char

PS How to pull up pseudo-high gray color mixing ideas

Why is it called pseudo high ash? Because I did not learn to draw, did not learn color, just like the fine art works in the kind of strong subtle and not gaudy color, according to the feeling of imitation out of this strictly not called high-grade gray tones, but also the pursuit of a gray-scale transition rich and not

Application of color filter and gray layer in Photoshop

. Figure I: Simple 12 pure color and black white mark The following (Fig. II) is the pattern used for testing. Production method: Color Picker, HSB mode (hue ring), s=100 b=85 h=0°,30°,60°,90°,120° ... 330° Attention, here b=85, the lightness drop. Figure II Start the test. In PS, copy the figure two to a layer, and set to filter, transparency 100%, and then copy a layer, and th

Converting from RGB to gray-color algorithm

of brightness, brightness from 0 to 255, because different bits have different luminance levels, so the specific value of Y is as follows:Y = y/(1The last point to note is that the Y value is stored differently, and the corresponding Y value is saved with the corresponding number of digits.//----------------------------------------------------------RGB565 Turn 8-bit grayscale//----------------------------------------------------------TUint8 Gm_red,gm_green,gm_blue;TInt16 *des_ptr;TInt16 *pt;PT

RGB color chart

The other RGB color chart Have a great time creating your HTML pages with great colors! Please send a message to me if you have any questions Whites/pastels-grays-blues-greens-yellows-Browns-oranges-Pinks/violetsWhites/pastels Color name RGB code Hex # Sample Snow 255-250-250 Fffafa Snow 2 238-233-233 Eee9e9

Photoshop Tutorial: Modulated color Light effect chart

Photoshop Tutorial: Modulated color Light effect chart Last week, as usual, I was waiting to register at the airport, and a banner logo caught my attention, a Sony phone ad called Xperia. What really caught my attention was the wallpaper of my cell phone. This is a colorful light that crosses the screen. I really liked the effect, so I wrote this tutorial. -The above is the author language. I'm glad this

How does ppt mosaic false chart with color block?

How does ppt mosaic false chart with color block? 1. Create a new blank document first 2, select the shape, "pie-shaped" 3, hold down the SHIFT key to draw a pie, see that yellow endpoint? By moving it, you can adjust the pie shape to whatever shapes you want. 4. Change to Gray, set in shape

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