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Questions tagged [hdr]

High Dynamic Range (HDR) is a term used for image and video, referring to an extended range than normal 8-bit-per-color channel precision, enabling representation of a wider range of luminance and complete color gamut.

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Is HDR rendering possible in OpenGL es?

I'm NOT talking about actually rendering to HDR diplays here. I'm trying to get my game to look better and one of the ways I've found online is to use an HDR pipeline in post-processing. According to this tutorial, to accomplish this, you need to…
user14587078
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How fix this error :currently no loaders are configured to process this file?

I create larval 8 and react mix projects. I add three js for that project. It has hdr-type assets in the assets folder. I got the below error. Can you help me to fix this error?
Nirodha Lakmali
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OpenCV calculating camera response gives error -215:Assertion failed

I am using the following tutorial as a guide to process some HDR brackets with OpenCV in Python: http://man.hubwiz.com/docset/OpenCV.docset/Contents/Resources/Documents/d3/db7/tutorial_hdr_imaging.html However no matter what I try the…
Spencer
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Toggle monitor HDR mode with DXGI API

Microsoft documentation and sample code claims that DXGI can switch a monitor between HDR/SDR modes. However running the code sample D3D12HDR and changing the swap chain format does not change the monitor mode for me. I am only able to set the…
Octo
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How to read a hdr image quickly in the RGBE format in Python?

I would like to know how to read a HDR image (.hdr) by obtaining pixel values in the RGBE format quickly and efficiently in Python. These are somethings I tried: import imageio img = imageio.imread(hdr_path, format="HDR-FI") alternatively: …
Coder Alpha
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Is it possible to combine HDR with MSAA in a DirectX 12 desktop application?

Using the DirectX Tool Kit for DirectX 12, I'm able to successfully compile and run the individual MSAA and HDR tutorial samples. When I combined the relevant code for the MSAA and HDR components together into a single Game.cpp file however,…
Maico De Blasio
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Can't transfer HDR metadata when using IDXGIFactory2::CreateSwapChainForComposition method

According to this MS documentation metadata should be forwarded on any creation IDXGIFactory2::CreateSwapChainFor... method. But I managed to do it only for Hwnd method. D3D11CreateDevice(nullptr, D3D_DRIVER_TYPE::D3D_DRIVER_TYPE_HARDWARE, …
DMU
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what can i get over HDMI for this TV?

Panasonic TX-65GXR900 here's its EDID: 00 ff ff ff ff ff ff 00 34 a9 96 a2 01 01 01 01 00 1d 01 03 80 80 48 78 0a da ff a3 58 4a a2 29 17 49 4b 20 08 00 31 40 61 40 01 01 01 01 01 01 01 01 01 01 01 01 08 e8 00 30 f2 70 5a 80 b0 58 8a 00 ba 88 21…
theorist
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Is there any mothod to judge whether a image is one HDR image or not?

everybody, i am doing one thing than i want to judge whether one image is a HDR image, if you have any ideas, please shared it with me , thank you ! my friends.
kzhangpeng
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How to display an HDR photo like in Photos app, that the highlight and shadow parts are shown in different brightness?

iPhone cameras can capture HDR photos, and when shown in the Photos app in OLDE iPhones, the HDR photo will be shown with different brightness for light and dark parts. The effect is shown in this tweet…
zgjie
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Can pixel values of a hdr image have greater than 1?

As far as I know, all pixel values of a hdr image should be less than 1 and greater than 0. However, I tried to read hdr images and checked pixel values of one of images: train_set_y_original = [cv.imread(fn, -1) for fn in train_img_folder]…
Min Lee
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How to turn display to HDR mode

We are working on live SDR to HDR conversion on Android phones. Anyone can tell how to trigger the HDR display mode on an android phone when decoding the SDR video signal?
VPC
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How to call up Open CV Durand Tonemap function?

I'm trying to examine multiple tone-mapping operators in Open CV, using Python. Various sources use four operators (Drago, Durand, Reinhard, Mantiuk). Three of them work. However, when I call up cv2.createTonemapDurand(), I get this…
zgebac26
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Get the bit depth or the color space of a mp4 file in Android

I'm currently working on a video player on Android. The video player should support 8 bit content and 10 bit content. Because the flow in the app is different, I need to know before playing the video if the content is 10-bit BT2020. I've tried…
Alexandru
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How to generate HDR images using the graphics card in Python

Introduction I want to generate, using Python, around 500'000 HDR images from 500'000 stacks of images, where each stack consists of multiple images taken with different exposure times. This is easy to do on CPU using the opencv package (see my code…
Maximilian Janisch
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