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bienmexicano

color recognition problem

9 posts in this topic

Hi, i'm working in a little project to determine if a LCD Screen display the correct colors, the test is with a 3 color pattern using red, green, and blue.

the thing is that the only way i can do it is taking a picture and use Autoit with the function: PixelSearch(), but problem is that i have to scan all the picture for the 3 colors, searching the tree main colors and 5 variation each.

so could anybody helpme find a better way to recognice the colors using Autoit.

thanks in advance.


i love to draw so Go here!!!!!!!

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#2 ·  Posted (edited)

to determine if a LCD Screen display the correct colors

Ok, so you're using some kind of external device to control this?

he only way i can do it is taking a picture

Wrong. There are other methods, such as a "screen calibrator" that professional photographers use.

A picture is not even remotely reliable, because the color variation also depends on external light sources now.

Edited by Manadar

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#3 ·  Posted (edited)

Wrong. There are other methods, such as a "screen calibrator" that professional photographers use.

A picture is not even remotely reliable, because the color variation also depends on external light sources now.

@Manadar

thanks for the answer.

well might as well sound kind of ignorant, but i have a question:

To do a screen calibration do i need to buy a calibrator first, or there is a way to do it just by software?

Edited by bienmexicano

i love to draw so Go here!!!!!!!

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@Manadar

thanks for the answer.

well might as well sound kind of ignorant, but i have a question:

To do a screen calibration do i need to buy a calibrator first, or there is a way to do it just by software?

No .. You need calibrate the screen output with the screen input. So whatever you are using needs both the screen output and the screen input to be accurate.

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No .. You need calibrate the screen output with the screen input. So whatever you are using needs both the screen output and the screen input to be accurate.

ok, but what if i want to calibrate a LCD palm treo 700p display?

i love to draw so Go here!!!!!!!

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Do You already tried to use the AutoItWinInfo? /

with the window open look for mouse and click on the Screen.

Okay, you have the hex code of your color

So need to make sure it is RGB or BGR.


I read ... I update ... I learn ...

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Do You already tried to use the AutoItWinInfo? /

with the window open look for mouse and click on the Screen.

Okay, you have the hex code of your color

So need to make sure it is RGB or BGR.

ok i'll think a way to use the AutoItWinInfo maybe this is a better way to do it.

tnx for the advice.


i love to draw so Go here!!!!!!!

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Google is your friend.

Yes i know but i think that this friend haven't been of much help this week.

i love to draw so Go here!!!!!!!

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