How 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 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...
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What 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...
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 Articleraw image size > 2.147 Gb?
Hello, Is there a dng specification raw image size limit? I would like to save huge raw images. We changed the kMaxImageSide from 65000 to 300000. I know the dng's which are bigger then 65000 per size...
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 Articleconverting RGB to DNG without affecting color profiles
Hi guys I'm working with the DNG SDK in C++ for some time now. I need to be able to take a raw RGB (not camera raw) and convert it into a dng file. After playing arond with it for a few days, I...
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 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 ArticleGiven 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 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 ArticleCreating a DNG from scratch.
Hi,I'm trying to save camera raws(16 Bit Bayer pattern) I grab directly from an industrial camera in the DNG format.By looking at http://fossies.org/dox/digikam-2.5.0/dngwriter_8cpp_source.html#l00188...
View ArticleHow can i access cinemadng frame rate using the dng sdk?
I'm trying to figure out the right way to access the CinemaDNG frame rate using the DNG SDK --- preferably without having to hack up the DNG SDK, since that would have to be redone each time the DNG...
View ArticleSaving 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...
View ArticleDNG/XMP AppendProperties/ApplyTemplate
I downloaded the latest DNG SDK (1.3) and XMP Toolkit SDK (CS6). The DNG SDK expects "AppendProperties", while the XMP has replaced that with "ApplyTemplate". I then tried an earlier version of the...
View ArticleUsing LookTable and HSV with saturation of zero
I am currently looking at the DNG spec and the SDK, specifically using the LookTable to encode an HSV conversion that does not necessarily preserve grays.But as these are HSV tables and the way these...
View ArticleGiven 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 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 ArticleTransparency examples in DNG (SDK 1.4)
Hi All, I am new on this forum. I just started to assess the possibilities of DNG (and its SDK) for my photo processing pipeline. Being able to add (semi-) transparent pixels to sets of photos is one...
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