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Why does my image look different in every app?
Dropbox - 1.DNG I created a CinamaDNG video (a folder of DNG images) from scratch (i.e. from generated RGB values) using code similar to https://forums.adobe.com/thread/2105577. The resulting component...
View ArticleBuild DNG SDK on Mac with XCode 6.2
Hello everyone, I am trying to build the DNG_SDK Version 1.4 with XCode 6.2. I have downloaded all the third party libraries for xmp and dng sdk. After linking errors with the current xmp sdk 201412, I...
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Difference Between Adobe DNG SDK and Photoshop's Results
I'm trying to find Photoshop's image processing operations applied to an image by comparing DNG SDK. For example, this is the difference between DNG SDK's sRGB result and Photoshop's sRGB result ....
View ArticleSetting correct Bayer mosaic pattern using DNG SDK
Hey,I'm having a problem generating DNG files from raw image files. The problem relates to the demosaicing parameters. I have a raw image from each of two different cameras (Cannon D200 and Panasonic...
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Rather basic question:
I'm currently writing a lens correction and image optimization program that (if everything works as planned) will perform the following functions: 1. Removal of image blurring introduced by the lens,...
View ArticleMissing DNG Tag: ProfileToneCurve
Hello everyone, I've been trying investigate DNG tags in file using dng_validate in DNG sdk v1.4. In 'dng_validate' -d <num> option should show all information i.e. tags in .dng. However some of...
View ArticleHow to export raw data from DNG?
HelloI want export Bayer data from my DNG file. I am reading DNG SDK, the dng_validate can parse my DNG file ,there are four lossless jpg in the file. But I can't find the rule to make a RAW data...
View Article"Updated DNG SDK now available" - NOT
The downloads that I can access are still the old version. (File dates are all 2012)
View ArticleHow to write manipulated image back to negative?
Hi all,I would like to do some simple dng raw image manipulation like black image subtraction. Therfore I though I would get the stage2 image (because working on stage1 is not correct right?) of both...
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How to import a real raw CFA image into a DNG ?
Hello everybody, I have searched this discussion forum and the net as good as I could, but unfortunately I was not able to find a way to import properly an absolute raw CFA image generated by an image...
View ArticleSubIFD1 tags not updating
Hey, I'm currently developing code to write raw camera image data to dng files (I'm doing some processing in between so I'm not using the DNG Converter exe). I have not been able to find any tutorial...
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Understanding ISO Change Effect on RAW Image and GainMap Opcode
I am trying to figure out GainMap tags change by ISO in ".dng" file. I came across with this question: https://forums.adobe.com/thread/1410199 and this answer:...
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Newbie - getting started
Hi,Hopefully someone can help me here. I'm looking to place either simulated or camera raw output (and here I mean a matrix of 8 or 10 bit values without debayering) into a RAW format so that I can...
View ArticleFrom Stage3Image() to sRGB color space
I get my image this way dng_image* image = (negative->Stage3Image()); I have to manimulate with it and then I want to covtert it to sRGB color space. I tryed to do gamma 2.2 and white balance with...
View ArticleSetting correct Bayer mosaic pattern using DNG SDK
Hey,I'm having a problem generating DNG files from raw image files. The problem relates to the demosaicing parameters. I have a raw image from each of two different cameras (Cannon D200 and Panasonic...
View ArticleDNG data production
I have a camera which delivers a data stream of pure pixel values. Pixels are 12 bit packed data.There is no header in front of the data. Software like Irfan has no problem to open it.What I search, is...
View ArticleRather basic question:
I'm currently writing a lens correction and image optimization program that (if everything works as planned) will perform the following functions: 1. Removal of image blurring introduced by the lens,...
View ArticleHow to import a real raw CFA image into a DNG ?
Hello everybody, I have searched this discussion forum and the net as good as I could, but unfortunately I was not able to find a way to import properly an absolute raw CFA image generated by an image...
View ArticleIs there a way to do grayscale DNG?
Typically, DNG files store raw data from cameras in either normal RGB or Bayer RGB. Whether it's normal or Bayer RGB is specified by the Photometric Interpretation tag in the SubIDF for the raw data....
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Why does my image look different in every app?
Dropbox - 1.DNG I created a CinamaDNG video (a folder of DNG images) from scratch (i.e. from generated RGB values) using code similar to https://forums.adobe.com/thread/2105577. The resulting component...
View Article