How do I processing RAW images in the same way my camera processes JPEGs?

Started 3 months ago | Questions thread
s_grins
s_grins Forum Pro • Posts: 13,957
Re: How do I processing RAW images in the same way my camera processes JPEGs?
2

stephband wrote:

I have a Panasonic Lumix S5. It captures a RAW file and saves both that and a JPEG version of the same image. I have filters switched off. When I import the two files into an image editor they look completely different. Sometimes, I want to recreate the way my camera has processed the JPEG while editing the RAW image but I'm struggling to understand what it is doing and why.

An example. Here's an image I shot last night. It's not terribly good, but it illustrates the problem...

the JPEG produced by the camera

A screenshot of the RAW image

We can see that that lava river in the JPEG produced by the camera is yellow, as it was on the night, whereas the RAW image has regions that are bleached white. Presumably it still carries the data to unbleach those white patches.
At first I thought this was simply a question of white balance, which I assume is not applied to the RAW image. But adjusting the white balance in an image editor does not solve the problem.

So what is the camera doing and how can I recreate what it is doing?

To start from the beginning:

RAW is not a image file. RAW is a data file. Your camera (as well as all others) process this data in certain way to represent an image (mostly JEPG).

The reason you you do not see exactly the same picture is simple to understand. Software in your camera that process the RAW file lacks the sophistication of computer based software. Also settings of your camera (filters included) affect the JEPG image while RAW image stays intact.

My guess is that when you use SilkyPix RAW editor with initial settings, you will get very close image (in my mind piece of software that works inside your camera is made by the same company)

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