s**********p
发帖数: 109 | 1 Lost the original data for a curve, only have the image. Now needs to get
the data back.
Heard people can get it back using Gimp.
Anyone knows how?
Many Thanks! |
j*****h
发帖数: 2577 | 2 count the number of pixles.....
【在 s**********p 的大作中提到】
: Lost the original data for a curve, only have the image. Now needs to get
: the data back.
: Heard people can get it back using Gimp.
: Anyone knows how?
: Many Thanks!
|
s**********p
发帖数: 109 | 3 remember someone ever talked about using Photoshop (Gimp) to reverse
engineer the curves.
【在 j*****h 的大作中提到】
: count the number of pixles.....
|
j*****h
发帖数: 2577 | 4 数数象素数量，和你的scale对比，搞个公式就倒推data了
【在 s**********p 的大作中提到】
: remember someone ever talked about using Photoshop (Gimp) to reverse
: engineer the curves.
|
w*******e
发帖数: 83 | 5 long time ago, i used a software called windig to get the data. You can
search and try it.
Or you can use matlab: first read the image in, then find the index for the
curve, then compare the index of each pixel of the image with the curve, and
store them in a matrix |
