How to add bad pixels to a DNG made from a CFA sensor raw data ?
Hello all, I'm trying to build a proper DNG file from the raw CFA image acquired directly form an industrial camera.As usually there are a number of bad pixels around and I would like to mark them in...
View ArticleDNG_SDK and VS2013
Really painful to build but in the end possible (had to build XMP* libraries separately, I didn't merge the projects) , is there a way to submit patches or is Adobe looking into this issue to...
View ArticleHow can I tell DNG converter to grab NEW images ONLY?
I've just started taking RAW [CR2] images and learned to use DNG Converter to import them into Lightroom. So far every time I convert a new batch of images, the program grabs previously converted CR2s...
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...
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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:...
View ArticleThe current DNG Profile Editor cannot interpret 7.1 raw settings
Hi, I am frustrated that the DNG Profile Editor is not able to apply Lightroom's or Camera Raw's settings since the new Process 2012 has been in effect. This SEVERLY limits the usefulness of the...
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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...
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 ArticleConvert Raw to DNG
Dear all,I'm seeking DNG SDK assistance, and I'm trying to convert our raw file(only contains metadata from the sensor) to DNG format so that we can use white balance, demosaic,vignetting and so on....
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 ArticleFrom dng_image to pixel buffer?
Various things of the DNG SDK return a dng_image. The stage1, stage2 and stage3 are an RGB image. And if you use dng_render, you also get a dng_image. I'd like to get a buffer of pixels (with for...
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 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 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 ArticleNewbie - 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 Articlemonochrome dng
Hello, I have been writing my own DNG headers to raw sensor grabs successfully for a while now. These have all been CFA sensors but now I have a monochrome sensor in the mix and I would like to save...
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 ArticleGet DNG Date Created from dng sdk
I have successfully compiled the dng sdk and the validate app and I wondered what is a simple way to just get the date created out?
View ArticleThe current DNG Profile Editor cannot interpret 7.1 raw settings
Hi, I am frustrated that the DNG Profile Editor is not able to apply Lightroom's or Camera Raw's settings since the new Process 2012 has been in effect. This SEVERLY limits the usefulness of the...
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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