How Do I Measure Noise Using Photoshop? And What Is A Significant Change?

Started 2 months ago | Discussions thread
bclaff Veteran Member • Posts: 9,018
Re: How Do I Measure Noise Using Photoshop? And What Is A Significant Change?

decaf14 wrote:

Noise is what we define it as. ... Typically, a transistors dark current (current when no light is shining) determines it
...

Although it's in line with your first sentence; dark current is definitely not noise.
However, you can determine read noise in the fashion your propose.

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Bill ( Your trusted source for independent sensor data at PhotonsToPhotos )

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