hsi hardware

The RGB color model is a additive system in which each color was defined by the amount of red, green, and blue light Emitt Ed. In the RGB scheme, colors is represented numerically with a set of three numbers, each of which ranges from 0 to 255. White had the highest RGB value of (255, 255, 255) while Black had the lowest value of (0, 0, 0). This are consistent with the additive nature of the RGB system, since white light are the presence of all colors of light, a nd black is the absense of any l

1. Why should I introduce the HSI color model? in simple terms, the RGB model can be well adapted to the facts of the color, but not very well adapted to the color of human interpretation. When a person observes a colored object, we describe it with hue (hue), saturation (saturation) and intensity (Intensity). saturation and the larger the more vivid); Brightness : is a subjective factor, which is actually not measurable (brightness a

% 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

1. Why should I introduce the HSI color model? in simple terms, the RGB model can be well adapted to the facts of the color, but not very well adapted to the color of human interpretation. When a person observes a colored object, we describe it with hue (hue), saturation (saturation) and intensity (Intensity). saturation and the larger the more vivid); Brightness : is a subjective factor, which is actually not measurable (brightness a

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

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

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

The Android standard hardware driver is divided into two parts, one is the hardware driver running in the Linux kernel, and the other part is the hardware abstraction layer running in user space. Using this method, the system can be hardware-independent, but also protect the interests of some manufacturers. In Android

Android from hardware to application: Step by Step 3-Hardware Abstraction Layer access hardware driver The Android standard hardware driver is divided into two parts: one is the hardware driver running in the Linux kernel, and the other is the

Starting with Android3.0 (API level 11), the Android 2D rendering pipeline provides better support for hardware acceleration. all of the drawing operations performed by hardware acceleration are done using the GPU on the View object's canvas . Because enabling hardware acceleration increases the need for resources, such an application consumes more memory.Hardwar

Warning: Running bat source code is a dangerous action, if you are unfamiliar, please do not try!Batch processing language: Simplified ChineseLicensing method: Free softwareOperating Environment: Windows platformDetects hardware batch commands. One click gets. Double-tap to view@echo offcolor 0atitle Hardware detectionModeCon cols=90SC config WinMgmtStart= Auto >nul 2Net StartWinMgmt 2>1nulsetlocalenabledel

March 30, le Vision in Beijing a conference to make the entire smart TV industry "Restless", in addition to the release of the 4th generation of Super TV, le Vision also announced a heavy program------"414 Hardware free Day", according to the plan, the April 14 will push 4 X55 curved Project Commemorative Version/ Super TV x40s/x43s and other gift products, users do not need to pay for hardware. How can thi

Compile the JNI method for the hardware abstraction layer (HAL) module of Android in Ubuntu to provide the Java access hardware service interface (Lao Luo study note 4), androidjni In the last two articles, we introduced how to write drivers for Android hardware, including how to implement kernel drivers in Linux kernel space and

· Definition In fact, this buffer zone is a storage area of malloc, but it is not as good as that of malloc, which is applied in the memory, and the buffer zone is in the GPU/AGP, and its write and read speed is faster. Generally, the hardware buffer is used as the vertex buffer, index buffer, and Pixel Buffer. · Use Hardware buffer management is the hardwarebuffermanager responsible for a

This article translated from: http://developer.android.com/guide/topics/graphics/hardware-accel.html View layer and animation When an application is accelerated by hardware, the hardware layer can deliver faster and smoother animations. It is not always possible to play an animation with complex drawing operations at 60 frames per second. In this way, you can use

This article translated from: http://developer.android.com/guide/topics/graphics/hardware-accel.html Determines whether a view object is accelerated by hardware. Sometimes, especially for custom view objects, It is very helpful for applications to know whether the current view object is accelerated by hardware. This judgment is particularly useful if the applicat

View hardware information in linux and hardware in linuxDmidecode | grep Name is used to view various hardware information of a machine, such as cpu, memory, and network card.Lshw-short | egrep 'cpu | 4GiB DIMM | eth'Lshw-short | grep '4gib DIMM '| wc-l check whether the disk is an ssd/Opt/MegaRAID/MegaCli/MegaCli64-PDList-aAll | egrep 'raw Size | SSD'View the me

Is STM32 hardware I2C a pitfall ?, Stm32 hardware i2c /** **************************************** ************************************** * @ Author Maoxiao Hu * @ Version V1.0.0 * @ Date May-2015 **************************************** ************************************** * **************************************** ************************************** **/ I have been debugging the

Android, Java applications invoke the hardware Abstraction Layer module through the Jni method, on Android from hardware to application: Step-by-step 3-Hardware abstraction layer access to hardware driversWe have compiled the hardware Abstraction Layer module, the following