Reverse filtering of Photoshop Express

[chenf99]

Hello, this was an excellent work, it's easy but effective and we wanna follow it. However, we're confused about the "Defilter" operation on noise removal in Photoshop Express which is mentioned in paper. How could you know the func of noise removal in Photoshop Express ？The algorithm needs to know the filtering process as J = f(I), but your code doesn't contain the noise removal filtering process.

[jiangsutx]

We did not know the operator. But we put our image into Photoshop, and process it using noise removal function and save out to our code.