Is 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....
View ArticleAdding camera profile correction to dng_validate.exe
Using Lightroom I know how to apply a camera profile (*.dcp file) to my *.DNG image. I would like to do the same in an application which I'm writing, so I guess a goodstarting point would be to append...
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From 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...
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Given a cam_to_sRGB matrix, how do I generate ForwardMatrix?
I have a matrix that will convert my raw camera RGB data to sRGB space, for example when I apply the matrix to the white balance corrected raw data in MATLAB, I get a good looking output image. I want...
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DNG SDK build project cannot find the xml sdk
On win7/x64. Installed dng sdk and all dependencies per the readme files. xml sdk built OK with vc10 express, as 64 bit static and dll.But the vc solution for dng_validate has incorrect names for the...
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...
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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...
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Saving a DNG
Hello, i have opened up a DNG profile and gotten a bit of info out of it. The stream is open as readonly. I want to make 1 change to it, that is the camera profile name. So after i have done this, i...
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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...
View ArticleCrash when creating a Lossless-jpeg compressed DNG
Hi all, everything is in the title i guess. I work on a legacy system, using DNG SDK 1.1 (upgrading is not an option). The software was originally desgined under win, and is now ported to mac os X....
View ArticleWhat do I need to create DNG from scratch?
Hello everybody, Is it possible to create DNG from RGB data? I need to implement export of images into DNG format in my application. All I have is image width, height and array of floating-point RGB...
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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 ArticleOutput of stage 1 (pre linearisation) and clarification
hi, Scratching my head on this one. I have some DNG RAW files and i'm using dng_validate to explore in more detail. I'm looking at all the stages of processing via outputting uncompressed tifs. What 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 ....
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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 ArticleDNG SDK cannot write files with floating point pixels?
I'm trying to create a DNG with 32 bit floating point pixels. The reason is to create a file which is not demosaiced but contains a large dynamic range. It goes well for the major part, but it fails in...
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 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....
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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