opencv_tutorials

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Windows Apps capturing a black screen

4

Using a test game (Big Farm) installed as windows application from the Microsoft Store, I only capture a black screen. I know in a browser like google it is due...

puddl3jump3r

Hello, have problem "Train dataset for temp stage can not be filled. Branch training terminated. Cascade classifier can't be trained. Check the used training parameters."

326926d

Accounts for DPI virtualization(computer monitor scaling)

2

See https://docs.microsoft.com/en-us/windows/win32/hidpi/high-dpi-desktop-application-development-on-windows?redirectedfrom=MSDN

bjarnis

Did anyone figured out how to only use OpenCv - Template Matching instead of classifier I'm trying to multi object detect with OpenCv and use threads, But I can't figured...

ghost

I'm working in Jupiter notebooks. When I tried to import win32ui, I received a DLLs Error. Can someone tell me how to fix this issue?

1man71

getting black screen only

10

so i used the code from vid #4 and when i run it with Albion Online Client it shows only a black screen . when i use other screens like...

Yusufathi

Not a bug just wondering if you have tried https://python-mss.readthedocs.io/examples.html#advanced it's cross platform also.

gruaig

win32ui.error: CreateCompatibleDC failed

3

Code from 'window_capture' and 'real_time' returns this error 'win32ui.error: CreateCompatibleDC failed'

eFosk

getdc()

3

win32gui.GetDC() function retrieves a handle to a display device context for the client area of a specified window or for the entire screen. You can use the returned handle in...

shanelecuyer

I am following the tutorial for cascade classifier. When I run the command to create the pos.txt and draw the rectangles around images, the window opens but it shows only...

Aruthra-C