camera tag

21 questions

1 answers
135 views
0

How do I prevent the useb camera from becoming unstable in an OpenCV-Python environment?

What do you want to doI want my USB camera connected to my PC to work with opencv-python so that I can take real-time videos and display them on the screen.What's troubling youAfter testing the operat...

python opencv camera

2 years ago

2 answers
152 views
0

infinite loop of device ready in navigator.camera.getPicture

Sample official documentation is being tested with Xperia SO-02E.http://docs.monaca.mobi/3.5/ja/sampleapp/tips/camera/If you preview the sample as it is, the camera application will start and you can ...

android monaca camera

2 years ago

1 answers
165 views
0

I would like to change the shutter speed by starting the camera on the terminal with javascript.

I am creating a web application that uses javascript to activate the camera of the terminal.Currently, I am using getUserMedia to manipulate the settings of the camera that started, and I can show the...

javascript camera webapi

2 years ago

1 answers
140 views
0

I want to temporarily save the stream (ByteIO data) obtained from PiCamera.

*You may not understand the ByteIO completely.Please understand.As a flow, P Take a picture with PiCamera and save it to the variable stream① Save stream to another variable stream_save② Process strea...

python3 raspberry-pi camera stream

2 years ago

1 answers
128 views
0

I'd like to take a picture of the fish in the aquarium with a camera and track its location, what kind of method would you recommend?

I'd like to show the fish tank from the top with a camera and track the location of the fish from the image, but what kind of method is appropriate?I tried hsv conversion using opencv and tracked it w...

opencv image camera

2 years ago

1 answers
126 views
0

I want to use AVCaptureConnection to set the orientation of the device when shooting a video (Swift)

I use iOS Swift to create a video save process.I can now save videos, but when I check the video taken with the iPhone facing up with the camera roll, it is facing sideways.To avoid this, we found tha...

ios objective-c swift avfoundation camera

2 years ago

1 answers
119 views
0

Unboxing of 'characteristics.get(CameraCharacteristics.LENS_FACING) 'may produce' java.lang.NullPointerException'

https://github.com/yabushi/TimeStampCameraThe part I wrote myself ↓ https://github.com/yabushi/TimeStampCamera/blob/4b4c441675a6a5e7d6b2cf1f0448e19b1a115fd7/app/src/main/java/com/example/shigeki/times...

camera nullpointerexception

2 years ago

1 answers
133 views
0

I don't know how to turn off auto-exposure and auto-focus.

Currently, I am researching visible light (Li-Fi) using camera2 API on Android Studio.However, auto-exposure and auto-focus can get in the way when taking pictures of LEDs and retrieving data.·Automat...

android camera

2 years ago

1 answers
184 views
0

Always want to preview your camera in SurfaceView

As per the title, I would like to start the camera on SurfaceView as soon as the application is started, and I always want to keep previewing, but I use MediaRecorder to provide recording functionalit...

android java camera

2 years ago

1 answers
166 views
0

I want to capture the screen from the camera and print it out in the activity

If you click the button, the camera turns on, and if you click again, you can capture the screen, if you don't like the captured image, you can delete it, go back to the screen where you can capture t...

image android camera capture

2 years ago

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