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OpenCV (Open Source Computer Vision Library) is a really huge project/framework actively developed, mainly written in C++ . It is released under a BSD license. Read more here: http://opencv.org/ OpenCV versions: https://opencv.org/releases/
link: A new version based on OpenCV 3.4.1 (so the thread title will be changed from OpenCV320... to OpenCV 3.X) is ready and will be released during today,
link: There's not Opencv for B4i yet. The video was using B4i plus a small library made for that specific purpose, and all the Opencv processing work was ma
link: I agree. The fact is that the OpenCV user base in B4A isn't yet broad enough (and perhaps will never be, since it is quite specific and not trivial) s

OpenCV is a C program of which Anti-virus programs are known to recognize the signature of the compiler used as the basis for a computer virus. You can possibly test the program online via VirusTotal to see what other Anti-Virus programs think.
link: refer to this. I've tested the example car detection . My mobile warns about virus attached app. I don't know this problem is from.
link: Better to post in that thread.
link: I don't want the library owner to misunderstand that I blame him for the problem. I believe there might be some kind of error.

OpenCV (Open Source Computer Vision Library) is a library of programming functions mainly aimed at real-time computer vision. Originally developed by Intel, it was later supported by Willow Garage then Itseez (which was later acquired by Intel). Read more here: http://opencv.org/ OpenCV version
link: i'm streaming six ip cameras into a program i'm working on. other programs can do this without jitters but my program can't. the security camera's dis

You might want to look for things related to "OpenCV". OpenCV is an image processing library that is designed to do things like you ask and much more. It's complicated and not easy to use. I used this around 3 years ago to locate the position of sub images within an image. I don't remember exactly

I am trying to wrap OpenCV for B4J(the experimental repo). OpenCV is a c++ computer vision library and it provides java bindings. I came across this blog: OpenCV now supports desktop Java. It says the library is automatically generated. I don't know if it is possible to automatically generate wrap

The opencv*.jar file can be found in opencv\build\java and the appropriate opencv*.dll can be found in \opencv\build\java\x64 for 64bit Windows and \opencv\build\java\x86 for 32bit Windows. Note: In my case, I downloaded OpenCV Release 4.6.0. The .exe file was opencv-4.6.0-vc14_vc15.exe, the .jar f
link: Very helpful for learning how to call OpenCV by this way. ? @OliverA I noticed the resizing is still conducted by java, maybe we can also use OpenCV's
link: Yes, but it does not make it any faster to any degree that would matter (in my opinion). I'll post two modified versions below and you can test them f
link: #if Java import java.awt.image.BufferedImage; import javafx.scene.image.Image; import javafx.embed.swing.SwingFXUtils; import org.opencv.core.CvType

Oo4aquax0LM Hello everyone, I made a basic example of how to use OpenCV with javaobject and detect people's faces. The example detects faces and adds a green square around them. This same example can be changed to detect entire bodies, cats, license plates, etc. just download the desired .xml.
link: Hi, i have uploaded it on the same link (google drive) or u can download it here too https://opencv.org/releases/
link: Thanks for the code. I am getting Where to get the opencv-490.jar ? I didn't find it on the forum.
link: Thank you for the link. I have included opencv but I am getting this error while compiling :

(This is the first of a small series of code-based tutorials that I will post regarding OpenCV for B4A. I will try to focus mainly on how to use OpenCV in B4A, tips, best practices, particularities, and some background. So, it is not an OpenCV tutorial but a complement. Again, there may be inaccurac

I've created an OpenCV version of the XUIImageToJPEGByteArray snippet. It seems about a tad over 2x faster than the XUI... version and a little under 2x faster than the original inline ImageToJPEGByteArray snippet (testing 1000 iterations over each version). The OpenCV is based on the original inlin
link: I am wondering how possible is to use opencv for capturing screen direct.... to mat bytes ?? If it is so fast will increase a lot the FPS
link: OpenCV base snippet: https://www.b4x.-image-to-jpeg-byte-array-with-resize-quality-options.143809/
link: "); } //float quality = qualityPercent / 100f; //OpenCV just needs an int int quality = qualityPercent; //OpenCV uses int's int

Two apps show methods and their usage to recognize chess figures and their position based on a camera shot, one using only OpenCV image processing and utils (Chessboard OCV) and the second one using Tensorflow Lite (Chessboard AI) to classify the figures. A standard FEN string is then created for fu

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