You need to read the picture with the graph into the program and work with the data there. \ java. What to read?

Question

Java

Good afternoon. The subject itself is required: to read a picture with a conditional schedule into the program, analyze it, get the data and work with them in the program. A beginner in programming, eyes run wide from the abundance of everything. Advise any libraries \ frameworks \ literature on this topic?

Answer 1

Search: extract line graph data from image.

Answer 2

It is necessary to receive not a picture, but data on the basis of which this picture was drawn and analyze them already.

Answer 3

Image Processing Toolbox in Matlab.