As far as i know it is possible that DNG files can be compressed (even though it is lossless format), so you will need to decode your dng image first. https://www.libraw.org/ is capable of doing that.

There is python wrapper for that library (https://pypi.python.org/pypi/rawpy)

import rawpy
import imageio

path = 'image.dng'
with rawpy.imread(path) as raw:
    rgb = raw.postprocess()

Python各类图像库的图片读写方式总结- Madcola - 博客园

https://www.cnblogs.com/skyfsm/p/8276501.html

2018年1月12日 ... 比如写CNN模型相关代码时,我们需要借助python图像库来读取图像并进行一系列 的图像处理工作。 ... opencv; PIL(pillow); matplotlib.image; scipy.misc; skimage ... opencv读入图片的矩阵格式是:(height,width,channels)。

Opencv Python open dng format - Stack Overflow

https://stackoverflow.com/questions/47969587/opencv-python-open-dng-format

As far as i know it is possible that DNG files can be compressed (even though it is lossless format), so you will need to decode your dng image ...

Opencv Python开放dng格式- Thinbug

https://www.thinbug.com/q/47969587

2017年12月25日 ... 标签: python image numpy opencv type-conversion ... 据我所知,可以压缩DNG 文件(即使它是无损格式),因此您需要先解码dng图像。

DNG格式解析- Maddock - 博客园

https://www.cnblogs.com/adong7639/p/4446828.html

2015年4月22日 ... TIFF/EP的全称是"Tag Image File Format / Electronic Photography "。 它是一个名 为"Electronic still-picture imaging – Removable memory – Part 2: ...

How can I convert a proprietary raw image format to Adobe DNG ...

https://photo.stackexchange.com/questions/6534/how-can-i-convert-a-proprietary-raw-image-format-to-adobe-dng

DNG files are based on the TIFF/EP standard, ISO 12234-2, (they're essentially bitmaps with extra metadata) so if you start out with an appropriate TIFF I/O ...

Image Formats - ImageMagick

https://imagemagick.org/script/formats.php

magick image.jpg -colorspace RGB -resize 50% -colorspace sRGB resize.jpg ... DNG, R, Digital Negative, Requires an explicit image format otherwise the ...

python下读取并展示raw格式的图片_月下花弄影-CSDN博客_python ...

https://blog.csdn.net/qq_27261889/article/details/80785060

2018年6月23日 ... raw文件可能有些人没有,因此,先用一张图片创建一个raw格式的文件(其实 ... 主要介绍了python通过pil模块将raw图片转换成png图片的方法,实例分析 ... Dng中 获取raw数据,需要从Dng文件中获取Raw的一些基本信息:宽、 ...

Raw image format - Wikipedia

https://en.wikipedia.org/wiki/Raw_image_format

For example, Nikon's NEF raw files are based on TIFF/EP, and include a tag which identifies the version of TIFF/EP they are based on. Adobe's DNG raw file format ...

RAW Image processing in Python - Stack Overflow

https://stackoverflow.com/questions/2422050/raw-image-processing-in-python

Even if it's simply accessing a raw photo file (eg. cr2 or dng) and then outputting it as a jpeg. Ideally a dcraw bindings for python, but anything else ...

rawpy · PyPI

https://pypi.org/project/rawpy/

RAW image processing for Python, a wrapper for libraw. ... if unsupported format thumb = raw.extract_thumb() if thumb.format == rawpy.ThumbFormat.

Digital Negative (DNG), Adobe DNG Converter | Adobe Photoshop

https://helpx.adobe.com/photoshop/digital-negative.html

DNG format helps promote archival confidence, since digital imaging software solutions will be able to open raw files more easily in the future. A single raw ...

Convert a RAW image to TIFF in python but keep the metadata ...

https://stackoverflow.com/questions/59241761/convert-a-raw-image-to-tiff-in-python-but-keep-the-metadata

If you are interested in, and actively using EXIF data, you will almost certainly need exiftool installed on your machine - a Perl script by Phil ...

Python中的RAW图像处理- 或代码

https://www.orcode.com/question/555830_k91806.html

Python中的RAW图像处理- 是否有任何Pythonic解决方案来读取和处理RAW图像。 即使它只是访问原始照片文件(例如cr2或dng),然后将其输出为jpeg。 理想情况 下,python ... import rawpy import imageio raw = rawpy.imread('image.nef') rgb = raw.postprocess() ... ImageMagick支持大多数RAW格式并提供Python绑定。

PyDNG - RPI Camera RAW to DNG - Raspberry Pi Forums

https://www.raspberrypi.org/forums/viewtopic.php?t=180274

Apr 11, 2017 ... Image Requires: Python 2.7 & Numpy PyDNG lets you convert your picamera RAW containing .jpgs into Adobe DNG RAW files for use in a ...

Digital Negative - Wikipedia

https://en.wikipedia.org/wiki/Digital_Negative

Digital Negative (DNG) is a patented, open, lossless raw image format developed by Adobe and used for digital photography. Adobe's license allows use ...

Python Image Converter

https://achimoraites.github.io/Python-Image-Converter/

Simple Python Image Converter for quick batch conversions of images to jpg. ... This application is designed to run with Python 2.7 ... TIF and .dng files !!!

How to Use GoPro RAW GPR Files Without Lightroom or Photoshop

https://havecamerawilltravel.com/gopro/gopro-gpr-raw-format-convert-dng/

Feb 3, 2021 ... dng files using Adobe's free DNG Converter. The advantage in doing that is that all RAW image processors, and even many broader image ...