Recent questions tagged Camera

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camera - How can I take a photo frequently with iPhone?

First sorry for my poor English! Are there any ways to take a photo automatically with iPhone? eg. I need to ... I would appreciate any ideas!! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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524 views

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camera - Is there a way to adjust the torch/flash brightness level on an iOS device?

I've read plenty of topics on adjusting the screen brightness but is it possible to do the same with the flash or is it a binary on/off? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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camera - How to use android camera2 api to record 60 fps video with fixed exposure time

I want to implement a app to record 60 fps with fixed exposure time. As device I have the Google Pixel. Since ... rate again reduces to 30 fps) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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751 views

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camera - libgdx tiledmap flicker with Nearest filtering

I am having strange artifacts on a tiledmap while scrolling with the camera clamped on the player (who is a box2d-Body) ... how to fix that? :) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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397 views

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camera - Overriding iPhone shutter sound through SDK

In my iPhone app, I am using the UIImagePickerController with source type UIImagePickerControllerSourceTypeCamera. When the ... Red Laser). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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573 views

1 answer

camera - iOS UIImagePickerController, set frame

I'm trying to accomplish the following result: Set the frame of my UIImagePickerController to, lets say 200 x 200 ... i doing wrong here? Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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629 views

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camera - How to correctly use ImageReader with YUV_420_888 and MediaCodec to encode video to h264 format?

I'm implementing a camera application on Android devices. Currently, I use Camera2 API and ImageReader to get image ... know how to do that. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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568 views

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camera - Android code to convert base64 string to bitmap

Hi stackoverflow team i have a problem in converting base64 string to bitmap in android. I am using the camera to ... me to solve the problem. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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918 views

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camera - Change QR Scanner orientation with ZXING in Android Studio

I hope you can help me with this. Im using the Zxing Embedded Library in order to use the QR scanner, the problem ... (); } Thanks for the help! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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349 views

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camera - Android: Taken photo is bigger than the preview

I'm trying to capture photos directly using the camera api, but this is the preview I got: & this is the ... exact photo that will be taken? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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290 views

1 answer

camera - Is Android's CameraInfo.orientation correctly documented? Incorrectly implemented?

In Android you can get a description of the properties of a Camera by retrieving a CameraInfo. I'm interested in ... I have not run into yet? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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438 views

1 answer

camera - Android - How can I wake up the phone from a hard sleep to take a picture?

I want to take pictures from the Android device's camera periodically over a matter of hours, to create a ... to. This is frustrating stuff! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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683 views

1 answer

camera - Manual focus in camera2, android

i am looking for an example of manual focus in camera2 in android. I tried to get minimum focus distance ... with seekbar. Thanks in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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712 views

1 answer

camera calibration - OpenCV: get perspective matrix from translation & rotation

I'm trying to verify my camera calibration, so I'd like to rectify the calibration images. I expect that this ... a a planar test pattern. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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282 views

1 answer

camera - iPhone SDK 4 AVFoundation - How to use captureStillImageAsynchronouslyFromConnection correctly?

I am trying to use the new AVFoundation framework for taking still pictures with the iPhone. With a ... self.captureSession startRunning]; } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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416 views

1 answer

camera - iPhone SDK - How to disable the picture preview in UIImagePickerController?

Is there any way to disable the image preview after taking a picture with the UIImagePickerController? I want ... the shutter release button. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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