rectangle edge detection from image component?

[ChrisChuah 0]

Hi

Is there a component whereby i can feed in an image file and it will scan the image for rectangle objects and returns a list of rectangles?

please advise

 

Best Regards

chris

 

[Ruslan 6]

Look at OpenCV, it's not a component but a very good library.

Didn't used it in Delphi, only in C/C++ and Python.

[Steku 0]

7 hours ago, Ruslan said:

Look at OpenCV, it's not a component but a very good library.

Didn't used it in Delphi, only in C/C++ and Python.

 

https://github.com/Laex/Delphi-OpenCV

 

Regards...

[DelphiUdIT 257]

There are a lot of github repo to OpenCV for Delphi, this is another one:

 

https://github.com/gidesa/ocvWrapper46

[ChrisChuah 0]

hi

thank you very much. However, i wish to develop the application on iphone or android.

Hence, when using the iphone or android phone, i would want to use the camera function to capture the number of rectangular objects shown on the camera

Any idea on how to do this?

 

regards

chris

 

[DelphiUdIT 257]

I don't develop this kind of analysis for mobile and I don't know if there are math libraries that do that on those devices, but for example on IOS you have this function:

 

https://developer.apple.com/documentation/coreimage/cirectanglefeature

 

But I really don't know if it's exposed on FMX. For Android I don't know ....

[Anders Melander 2051]

You can use OpenCV on Android and iOS.

Haven't you researched this at all?

[ChrisChuah 0]

hi

So sorry that my search is quite limited.

the search for OpenCV libraries is that it uses .Net or VC++ libraries and that will always lead me to windows.

Cant find any fmx libraries for OpenCV.

can guide me on where i can find resources where i can use OpenCV for Android and IOS using delphi?