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2013-10-09 16:45:36 -0600 | asked a question | (OpenCV4Android) How to use OpenCV camera in Service? Hello, I'm currently developing an app which need to record video in background and process it. (Control Android device using real-time image processing) However, to achieve it, I need to use Camera and OpenCV as Service, and it seems that it is impossible to use JavaCamera and Android.Hardware.Camera without using any preview. Here are my questions.
Thank you for answering the question. |
2013-09-14 14:57:08 -0600 | asked a question | Why this code causes memory leak?(Opencv4android) Hi. I'm currently learning about opencv4android, and I'm trying to create threshold image for use in color blob detection. However, the code shown here, do work for 5~10 minutes but crashes with Also, the error is always caused at cvtColor function in the code snippet(the image processing part) below. The code had been tested for its stability in Python(not exactly, but kind of similar approach). Thank you advance for answering this question. |
2013-09-14 13:32:32 -0600 | commented question | [OpenCV4Android] modifying frame(puttext, rectangle ... etc) not working on onCameraFrame NOTE : I just discovered that i converted(I don't know why...) setCvCameraViewListener to comment(//). After reviving that line, it works very well. Ah! My precious 3 hours! |
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2013-09-14 12:09:27 -0600 | asked a question | [OpenCV4Android] modifying frame(puttext, rectangle ... etc) not working on onCameraFrame Hello. I'm a student who is trying to create a program which creates threshold image(using inrange, for use in color blob tracking) However, I'm stuck with displaying the threshold image on JavaCameraView(for testing purposes). According to other example and documentations, it seems that modifying OnCameraFrame(CvCameraViewFrame inputFrame)'s inputFrame.rgba() changes the displayed frame. However, I cannot see the modifications I made to the given frame(in the code below, it's mRgba in OnCameraFrame) I tried to do the following
None of them change the frame displayed. I hope to see why the modifications don't work. PS. The Phone I used was Galaxy S4 LTE-A SK Telecom (SHV-E330S) with OpenCV 2.4.6 PPS. Same thing happens in Nexus S with CM10 (more) |