Image processing is the computational transformation of an image signal. It's about the technical side of batch transformations, conversions, and enhancements, as distinct from post-processing (adjusting an image to achieve a desired look, probably using image processing).
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3answers
2k views
How can I resize Raw images and store them back in the original format?
I have some raw images captured using Canon,Nikon,Minolta cameras.(*.CR2, *.NEF, *.MRW)
I want to change resize them and store them back as the original format.
I checked in two tools, Canon ...
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vote
2answers
438 views
Raw Captured Image processing
I intend to take raw images using a Canon which gives *.CRW and DNG format raw images.
I have below question regarding processing of those raw capture
1] What all tools(I am ready to ...
9
votes
3answers
488 views
How would I go about using my SLR to measure the 'greenness' of a photo?
Background
My digital pictures can be read into a computer program like Matlab or R as a m x n x 3 matrix where m x n is the number of pixels observed by each of the three (red, green, and blue) ...
3
votes
1answer
437 views
Query about gamma correction?
I have a bespoke Image Capture & processing flow, wherein I do the following operations:-
Capture Raw data-->De-Bayer(Get RGB)-->Color Balance-->RGB-to-YCbCr-->Image sharpening-->Denoise ...
3
votes
2answers
424 views
Which colour space should I apply Image sharpening filter?
I am trying to apply a Image sharpening 2D filter kernel(Laplacian) on a Image in my proprietary Image/Video processing pipeline(From Camera raw to final JPEG/MPEG). I plan to perform 2D convolution ...
9
votes
3answers
1k views
What is a quick way to restore old black and white and sepia photographs?
I have a bunch of old black and white and sepia photographs from my grandparents' album that I scanned and would like to restore. The photographs are generally in good condition. there are some ...
13
votes
3answers
2k views
Can software auto-detect image focus?
I was wondering if there was any photo management software out there that could auto detect and "rate" images on how in focus they are.
This comes up for me quite commonly when i am looking through a ...
2
votes
1answer
505 views
How exactly do RGB curves work and interact w/each other in Photoshop?
So I understand how a single curve works:
If you create a curve such that R100 (in) becomes R50 (out), every pixel that has an R value of R100 becomes R50.
Similar deal with the RGB curve:
if you ...
18
votes
7answers
2k views
Other than the iMac, what's a brilliant display for my images?
When I started researching gear to start my photography passion I fell in love with the large iMac display. The large bright screen at the best buy was showing a sideshow if images that looked better ...
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votes
5answers
208 views
What photograph-manipulation application matches my specific feature wishlist?
Thanks to the new digital photography era, my computer is flooded with tons of photographs (like most photographers).
I'm looking at a software having the following characteristics ( one software )
...
6
votes
2answers
652 views
6
votes
3answers
675 views
Process stereoscopic image to convert from 3D to 2D
I am wondering if it is possible to take a stereoscopic image and sum them in such a way that makes it a monoscopic image, with the resulting viewpoint in the center of where the two viewpoints ...
6
votes
3answers
252 views
How much does in-camera image processing affect noise on Canon DSLRs?
I've found out that some of photos take with my 5D MkII have more shadow noise than I like. I know there are some obvious settings that affect this, such as ISO a noise reduction settings. But there ...
11
votes
10answers
17k views
Cheap/free tool to view/convert Canon CR2 RAW format photo files on Windows?
Recently, my family had some professional photos taken while vacationing at a resort. The photos were given to us on CD in both .CR2 and .jpg formats.
While we can view the JPEG-format versions of ...
6
votes
2answers
177 views
Red Haze across right and top of photo
I take a photo with the cap on, set to shutter priority mode and set to 30s.
After photo is taken and the NR job runs, I end up with a black picture and a red line/haze down the right side of the ...
6
votes
2answers
2k views
What workflow should I use for processing RAW photos in Lightroom?
I started shooting in RAW, and I use Adobe Lightroom.
What workflow would you recommend to use for the processing?
I will really appreciate a detailed description of the steps (or a link to one).
...
21
votes
3answers
472 views
What are Color Profiles and where would I find information on using them properly?
I see the term "Color Profile" a lot and I have this vague idea that it helps you adjust color values based on the unique differences of both cameras, displays and printers from some ideal device. ...
9
votes
6answers
896 views
Is post processing always necessary for best results?
While using my old Point and Shoot camera I used to think about post-processing photos in Photoshop like something unnatural, fake, and deceptive. But after buying DSLR I have not only to think about ...
10
votes
11answers
600 views
What noise removal tools work best, and why?
Can anyone recommend some good noise removal tools, free and commercial? Should support RAW and JPEG. Are certain tools better than others in particular situations? Do some integrate better with other ...
38
votes
11answers
13k views
What tools are available for RAW image processing in Linux?
I have been taking photographs with RAW format.
What tools are available for working with RAW under Linux?
13
votes
5answers
3k views
Nikon RAW image processing in non-Nikon software
I love Adobe Lightroom, the workflow, the interface, the whole package. However, as a Nikon owner never did I manage to get the colors to look as good as after processing with Capture NX. No doubt ...
