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I get this error when I try to edit [my post](https://answers.opencv.org/question/227011/cvcapture_msmfinitstream-failed-to-set-mediatype-after-switching-to-cuda-build-of-opencv/):
```
null value in…
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Transferred from http://code.opencv.org/issues/2919
```
|| Anton Anikin on 2013-03-26 07:27
|| Priority: Normal
|| Affected: None
|| Category: java bindings
|| Tracker: Feature
|| Difficulty: None
||…
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## Description
I tried following #870 to build a static build but encountered a couple of issues. Firstly, all cgo_static.go files seems to point to version 4.5.2 instead of 4.5.4 therefore failed to…
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I can't find cv.img_hash prototype, how to use that api?
https://docs.opencv.org/4.1.2/d4/d93/group__img__hash.html
*OpenCV version* (example 3.4.1): 4.1.2
*With OpenCV-contrib?* (extra modules…
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Transferred from http://code.opencv.org/issues/4419
```
|| Mark Grubb on 2015-06-17 00:59
|| Priority: Blocker
|| Affected: branch 'master' (3.0-dev)
|| Category: java bindings
|| Tracker: Bug
|| Dif…
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根据[原文地址](http://blog.joylau.cn/2019/03/15/OpenCV-Build/): http://blog.joylau.cn/2019/03/15/OpenCV-Build/
执行脚本出错。
错误信息：
```shell
/Users/yunxuan/opencv_contrib/modules/xfeatures2d/src/boos…
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Problem with assembly yolo_cpp_dll.vcxproj
For components:
rtx 2060 super
ryzen 5 4600g
By libraries:
cuda_11.4.0_471.11_win10
cudnn-11.3-windows-x64-v8.2.1.32
opencv-4.9.0
opencv_contrib-…
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### System Information
OpenCV python version: 4.8.0.76 opencv-contrib-python
Operating System / Platform: Ubuntu 22.04
Python version: 3.10.12
### Detailed description
The `BackgroundSubtra…
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I downloaded the newest face landmark model "lbfmodel.yaml". I used OpenCV 3.4.1 and the same version of OpenCV-contrib. However, when I loaded and used the model on an image, I got the error:
OpenCV…
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* OpenCV version: 3.4.16
* With OpenCV-contrib: yes
* OS*: Windows 10
see code in getLibsFactory.js:
```javascript
function getLibNameRegex(opencvModuleName) {
return new RegExp("^…