Reading RGB values off series of pictures

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Coolman 2018-11-7

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https://ww2.mathworks.cn/matlabcentral/answers/428491-reading-rgb-values-off-series-of-pictures

评论： Coolman 2018-11-7

I want to code a program that will produce a table of average RGB values off an image and repeat it for all images I have got. Ideally would like it to make the table like so.

Photo      Average
       Red  Blue  Green 
x1     x1r   x1b   x1g

and so on. I never used this program before so make sure you explain it. Ideally start off from scratch since I do not even get how to even start it. Thanks for reading. Also could calculate RGB of the inside of the beaker(below) or do I have to crop so its just the liquid inside?

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Guillaume 2018-11-7

I never used this program before so make sure you explain it. Ideally start off from scratch since I do not even get how to even start it

Matlab is a very flexible tool that can be used to achieve very complex tasks but as a result requires some effort to achieve any task. It's not just click on this button and you're done. In particular, it requires writing some code and for it to be useful you need to understand that code.

So, if you're not willing to learn the tool yourself I would suggest that a simpler image processing program would be better for you.

Coolman 2018-11-7

I am happy to learn but I do not know where to start to do what I want to do. I got only a week to learn this and analysis the data for my lab report. This is why I am here since I would like to learn precisely what can help me with my lab report then start learning the rest of the program since it looks really useful like you said. I know it is similer to this https://uk.mathworks.com/matlabcentral/answers/86056-obtaining-average-rgb-value-of-an-image-with-selected-area.

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