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  • RGB to HSV Color Conversion Algorithm - Mathematics Stack Exchange
    I'm a programmer looking to build an RGB to HSV color converter I found an algorithm, but I have very little mathematical background and I'm not quite sure what's going on with it A step-by-step breakdown of exactly what is happening would be tremendously helpful so that I could code it RGB and HSV are each sets of three values
  • Change of basis from RGB to different set of colors
    Vision processing starts in the eye, after sensing the RGB tristimulus values, the next stage involves the ganglion cells which matrix the RGB into three opponent channels of dark-to-light, red green, and blue yellow This encoding in the eye reduces the total data sent over the optic nerve to the brain for further processing
  • image processing - How many different hues, saturations and values are . . .
    If we specify a colour in the RGB space, there are $2^{24}$ different colours, as R, G and B are 8 bit numbers When a colour is converted to the HSV colour space (find the conversion formulas here for example), how many different values are possible for H, S and V?
  • How should I assign RGB colors to points in the Mandelbrot Set?
    I decided to learn about the Canvas object in javascript by implementing a display of the Mandelbrot Set I am mimicking the Mandelbrot psuedocode found on wikipedia The thrust of it is that the
  • How can I calculate distance from two pixels HSV?
    My proposal is to use polar coordinates to calculate the distance between two HSV pixels But I don't know how to express hue, saturation, value in cylindrical space I think that the x axis is saturation, the value represents the y-axis and $\theta$ is represented by hue value in degrees
  • What is the shortest way to write the number $1234567890$?
    Here's a challenge : find the shortest way to write the number $1234567890$ There is several ways to write the number $1234567890$ : $1 23456789 × 10^9$ $2×3^2×5×3607×3803$ $617283945×2$ But all
  • statistics - What is the purpose of subtracting the mean from data when . . .
    Another reason is accuracy When computing the variance, if the mean is large, much accuracy can be lost For example, the formula for the variance is $\dfrac{1}{n} \sum_{i=1}^n (x_i-\bar x)^2 $ (you can write $\dfrac1{n-1}$ instead of $\dfrac1{n}$ if it makes you feel better)
  • Best way to find Reduced Row Echelon Form (rref) of a matrix?
    Stack Exchange Network Stack Exchange network consists of 183 Q A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers
  • How to calculate a heart? - Mathematics Stack Exchange
    Stack Exchange Network Stack Exchange network consists of 183 Q A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers
  • sequences and series - Why does this pattern work: $1 \cdot{1} = 1, 11 . . .
    well, for 1^2 it isn't very hard to figure out, but here is the basic explanation there is one of 11, 111, 1111, etc in each place value until there have been as many place values as there are digits of the original number (1,111; 11,110; 111,100; and 1,111,000 for example) the amount of digits in the product is equal to (nx2)-1, where n is the original number then, it is like a bell curve





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