hsi code

% Convert RGB image to HSI image % display HSI image % histogram equalization HSI image % convert HSI image back to RGB image function rgbtohsi (x) F = imread (X ); F = im2double (f); r = f (:,:, 1); G = f (:,:, 2); B = f (:,:, 3 ); th = ACOs (0.5 * (r-g) + (r-B ))). /(SQRT (r-g ). ^ 2 + (r-B ). * (G-B) + EPS); H = th;

Function HSI = rgb2hsi (X)F = X;F = im2double (f );R = f (:,:, 1 );G = f (:,:, 2 );B = f (:,:, 3 );Th = ACOs (0.5 * (r-g) + (r-B ))). /(SQRT (r-g ). ^ 2 + (r-B ). * (G-B) + EPS ));H = th;H (B> G) = 2 * pi-H (B> G );H = H/(2 * PI );S = 1-3. * (min (R, G), B)./(R + G + B + EPS );I = (R + G + B)/3;HSI = CAT (3, H, S, I );He = H * 2 * PI;He = histeq (HE );He = He/(2 * PI );Se = histeq (s );Ie = histeq (I );Choi

Label: MATLAB RGB Implementation of MATLAB program for converting RGB color space to HSI color space During the implementation of the program, pay attention to the normalization of RGB pixel values, and then thousands of users should follow the formula. I have previously had Theta as a complex number, SQRT calculates the negative number and returns the result of the plural number (Bug) The program is implemented by MATLAB and makes use of the conve

Digital Image Processing Information Acquisition Struct RGB{ Unsigned char B; Unsigned char g; Unsigned char R; }; Lpsrc = (unsigned char *) pdoc-> m_pdib-> m_lpimage + Llinebytes * (lheight-1-point. Y) + point. x * 3; RGB; RGB. B = * lpsrc; RGB. G = * (lpsrc + 1 ); RGB. r = * (lpsrc + 2 ); Brightness Int gray = (INT) (0.114 * RGB. R + 0.587 * RGB. G + 0.299 * RGB. B) RGB to HSI Image Information Acquisition The encoding is as follows: R = (dou

value is indicated by the white. Other points in the cube space represent other colors. 16777216 colors can be represented when the value range of 3 components is an integer between 0-255. HSI uses hue (hue), saturation (saturation or chroma), and intensity (Intensity) to describe color.Hue is a property that describes a solid color, which reflects the nature of the color. The effect of saturation is to give a solid color is diluted by the degree of

Location code in order to make each Chinese character has a national uniform code, Location code is the state 94*94 a square, where each row is called a zone, each column is called a bit, combined together to form a location code, we can query the relevant site of a Chinese character location

The source code, the anti-code, the re-code, and the reason for using the anti-code and the re-code. The original blog website has no intention of infringement, but it is convenient to remember it for later review, Http://www.cnblogs.com/zhangziqiu/archive/2011/03/30/Compute

Data Representation-source code, reverse code, complement code, transfer code, and reverse Code complement So far, we have learned the numbers used in decimal, binary, octal, and hexadecimal notation to represent the actual values. These numbers are called true values, which

Source code, complement code, reverse code (C language source code), back code # Include # Define N 8 // here you need 8 digits Int main (int argc, const char * argv []) { Int binary [8]; // used to store the final acquired complement c