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Questions tagged [dng]

Digital Negative (DNG) is an open raw image format owned by Adobe used for digital photography

Digital Negative (DNG) is an open raw image format owned by Adobe used for digital photography

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QFiledialog returns the incorrect directory

A snippet of what i'm using looks like this QDir lastDir; QFileDialog dial(this); dial.getOpenFileName(this, tr("Open File"), QString("/home"), tr("Raw Images (*.nef *.NEF *.dng…
regomodo
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Adding camera profile correction to dng_validate.exe [Adobe DNG SDK]

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 good starting point would be to append this functionality to the dng_validate.exe…
Deepfreeze
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DNG/RAW-image: What's the difference between DefaultCropSize and ActiveArea?

We have a Google Nexus 5 which takes RAW images in DNG-format. We were wondering where the difference of the DefaultCropSize (2448x3264) and ActiveArea (2464x3280) comes from and whether these pixels are used for some kind of black-level…
beniroquai
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Retrieving Pixels from a DNG file within Android

I am currently working on an HDR application that requires the use of Camera2 to be able to customize HDR settings. I have developed a customized algorithm to retrieve certain data from Raw DNG images and I would like to implement it on Android. I…
Patrick
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DNG to PNG conversion using ImageMagick

I have captured a burst of 5 dng images from a Nexus6P for scientific imaging. The pixel intensities from the image will be mapped to my measurement value. For further processing the 5 dng images are averaged to reduce the noise and converted to…
Ujwal S
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DNG gives me original picture not the edited one

When we use UFraw or other programs based on DCRAW we get the original picture, not the edited one. When our photograffer takes a picture in DNG. Afterwards edits on this picture are done with photoshop or Lightroom. Picture is saved again in…
Guy Forssman
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How to convert a matrix containing a non-demosaiced image to a RAW image file, openable by Lightroom?

I have a camera module, from which I am reading out "RAW", non-demosaiced image data (this camera module uses a Bayer BGGR filter). I am currently storing this in a MATLAB matrix. I am aware that MATLAB can demosaic this image for me, but I would…
Clyde W
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Extracted thumbnail from DNG image using DCRaw

I am using DCRaw as a command line utility to extract thumbnails from DNG images. The thumbnail colors are way off and inverting them will not help. I took a photo with my Camera and the preview looks like this: Here is how I call DCRAW: Settings…
Zaid Amir
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Exiv2 tag insertion support

Is there a limitation in exiv2's functionality that prevents it from inserting the tag 'Exif.SubImage1.OpcodeList3' to a DNG file? I am trying to copy this tag from one DNG file to another with no success. My source file was printed…
Assaf
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What are the alternative ways to manipulate camera raw files in PHP?

I'm re-coding my personal photo blog and want to upload and manipulate photos on site. I know that Imagick ( Convert RAW photos to JPEG in linux/php ) is an option but I'm wondering if there are any other options out there which enables PHP to…
Can Berkol
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Succinct DNG Header information?

I want to write my own DNG file importer and converter (I need to essentially be able to prove it works in a certain way, so my best bet is to do it myself), but I'm struggling to find any details on the header file. I thought the point of DNG was…
Nick Udell
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