Linked Questions

5
votes
2answers
950 views

6500k calibrated monittor - what are the RGB values to represent a given monochromatic radiation of known wavelength?

Say I've calibrated a monitor to the standard 6500k 2.2 gamma, and the color space is sRGB. On this monitor, I would like to have a reasonably accurate representation of a monochromatic radiation (...
2
votes
2answers
460 views

Why RAW and JPEG look the same?

I recently bought a canon m100. I shoot both raw + jpeg but they look exactly the same. The only difference is the file size. Aren't raw photos supposed to have less contrast etc? I've tried to view ...
1
vote
2answers
2k views

Why does the quality of photos shot in RAW change after a few seconds when viewing them on a computer?

I have been taking a photo class for the past month or so and the professor told us to shoot in raw for a few assignments. When I view the pictures shot in RAW (on a canon rebel t7) on my computer, ...
1
vote
2answers
281 views

What exactly a Raw Image format encodes? [duplicate]

Ok, I have in mind that a picture P can be represented by a two dimensional matrix A where each element of A (aka every pixel) is a vector with four coordinates (Red,Green,Blue). What extra stuff is ...
1
vote
2answers
289 views

Is 24MP actually matched to Full-HD Resolution when factoring in the differences on how pixels are defined?

Naive assumption: 24MP sensor vs a Full HD monitor of 2MP, sensor has much more resolution. Second look: You sample something that is not synchronous to your sampling raster/clock, you need to ...
1
vote
2answers
398 views

Why do pure colors (red/green/blue) become a mixture of colors when converting raw?

In trying to understand how raw is converted, I created a synthetic raw image that has a red, green and blue gradient strip, with a gamma of 2.2 (dng). I made the synthetic raw by converting an image ...
1
vote
2answers
164 views

Shooting in RAW Format [closed]

I have a Pentax K100D Super and am just learning to shoot in RAW Format so far all my photos have come out very white lacking in colour particularly of water and surf
0
votes
2answers
61 views

Sharing Lightroom images in DNG with ability to undo/redo edits in another application?

I am contracted to receive a bunch of images from a photographer who has made edits to many of the images. The photographer has exported a sample DNG file with me from Lightroom Classic 10.2 and I was ...
0
votes
2answers
111 views

Can the human eye be seen as more like a Bayer sensor than a Foveon sensor?

I've heard that human cone cells can detect only one color, so it's more like a Bayer sensor than a Foveon. So, if the human eye is close to the Bayer sensor, I wondered if color moire would occur in ...
0
votes
2answers
90 views

Poor man's way to determine the color of an object with filters?

I know that expensive instruments can be used to determine the color of an object, but is there a poor man's way to determine color using filters? By "determine color" I mean know the relative ...
1
vote
1answer
3k views

Opening NEF files on windows initially open fine but then change contrast

I have a strange issue with Windows 10 When I open .nef files they load fine. However after a second or two the contrast changes noticeably. I tried Windows 10 Photos and Picasa Image Viewer. What ...
0
votes
1answer
265 views

Can I add third party lens profiles to Nikon cameras or software?

I'm starting to shoot directly in JPG to save time, since I don't need RAW processing most of the time. However, my D7100 and my Z50 have no built-in lens correction profiles for my Sigma 18-50 and 50-...
0
votes
1answer
67 views

Capture One Pro darkening RAW files on import & Selection?

As I import my C3 .RAW files (happens in Canon .RAW2 and also happens in Fuji .RAF raw files) into Capture One, there's an automatic color / curve application to the file itself which can't seem to be ...
0
votes
1answer
611 views

Reading raw12 file into 2-d array for further processing it into png format

I have a raw-12 image file . I want to read this using c++ into 2-d array . but i don't understand the the basic picture of raw-12 file that how pixels are really arranged in it. can anyone help ?
-3
votes
1answer
303 views

Heatmap of an image [closed]

I want to create the heatmap of an image for research purposes. Is there any algorithm to create heatmap of an image ? Also, if I have a RAW image out of a Nikon D5200 (.NEF file format), will it ...

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