Questions - OpenCV Q&A Forum

673

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1

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no

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2020-01-03 06:50:06 -0600 supra56

Handwritten digit recognition from table

332

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no

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no

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2019-12-06 08:43:00 -0600 Bemiche

How to create a .pbtxt for YoloV3 inference on Opencv-Tensorflow?

322

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1

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no

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2019-12-06 08:20:47 -0600 yasmin

OpenCV getPerspectiveTransform and warpPerspective

8k

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3

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no

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2019-11-30 08:47:40 -0600 rtrahms

Importing OpenCV 4.X android SDK module into Android Studio

1k

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1

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1

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2019-11-23 02:07:48 -0600 Akhil Patel

Remove background from canny image in android opencv [closed]

2k

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1

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no

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2019-11-23 02:07:12 -0600 Akhil Patel

Android Studio how integrate NDK with Opencv

708

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-1

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2019-11-23 02:06:29 -0600 Akhil Patel

Detect all Countour not an only Rectangle

824

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1

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no

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2019-11-16 21:37:19 -0600 nishant_elxsi

I tried to link FFMPEG with OpenCV,but I am getting unable to stop the video stream:inappropriate ioctl device error. I tried to install latest version of FFMPEG(4.2.1) and link it to OpenCV(3.4.3) installed.But I am getting the same error.

702

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6

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2019-11-08 22:46:39 -0600 Akhil Patel

speeding up camera preview in android opencv using CameraBridgeViewBase class and JavaCameraView? [closed]

6k

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no

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7

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2019-11-08 22:45:52 -0600 Akhil Patel

How to detect and crop rectangle and apply transformation from an image? [closed]

1k

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no

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2019-10-29 13:04:50 -0600 light0090

Yolov3 and darknet problem

6k

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2019-10-10 09:01:55 -0600 vitoro

Video capture not working properly

297

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2019-09-30 07:48:59 -0600 Akhil Patel

eye blink detection in python [closed]

249

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2019-09-23 23:57:34 -0600 brem

VideoWriter write hangs

1k

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2019-08-14 10:03:11 -0600 antithing

Calculate extrinsics between two cameras using FindHomography?

276

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2019-05-01 05:55:57 -0600 antithing

Triangulate from stereo fisheye cameras?

325

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2019-04-21 10:00:36 -0600 klWu

Find 3D coordinates of unknown amount of points with multiple cameras

610

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2019-04-02 04:48:31 -0600 Akhil Patel

How to implement tesseract ocr in android using native c++ opencv [closed]

541

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3

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2019-04-02 04:46:20 -0600 Akhil Patel

How to extract signature from driving license card? [closed]

1k

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1

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5

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2019-04-02 04:45:42 -0600 Akhil Patel

Opencv android : display popup in onCameraFrame when glare is detected on image. [closed]

672

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no

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5

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2019-04-02 04:44:22 -0600 Akhil Patel

Eye gaze detection in android [closed]

1k

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6

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2019-04-02 04:40:24 -0600 Akhil Patel

How to find rectangle edges from image and crop image from it's edges? [closed]

1k

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1

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6

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2019-04-02 04:40:01 -0600 Akhil Patel

OpenCV (android) : How to get image metadata [closed]

2k

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1

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no

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2018-12-19 01:40:24 -0600 david cairns

Glare detection in image [closed]

657

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1

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1

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2018-12-03 00:51:24 -0600 jasonzhang

How do I provide custom disparity search range in StereoSGBM for each pixel?

189

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no

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2018-07-03 02:33:21 -0600 dorimu

convert direct3d surface to umat fails

162

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no

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2018-03-15 03:30:12 -0600 Mutpx

Compile openCV using JNI_VERSION_1_2

1k

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1

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-2

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2018-03-14 11:15:38 -0600 phillity

Equivalent OpenCV Java Code to this C++ Code

166

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no

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no

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2017-12-21 02:45:29 -0600 Dharmesh Basapati

OpenCV Features2d.drawMatches set transparent matchColor [closed]

148

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no

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2017-05-04 10:43:45 -0600 eipoa

37 questions

Handwritten digit recognition from table

How to create a .pbtxt for YoloV3 inference on Opencv-Tensorflow?

OpenCV getPerspectiveTransform and warpPerspective

Importing OpenCV 4.X android SDK module into Android Studio

Remove background from canny image in android opencv [closed]

Android Studio how integrate NDK with Opencv

Detect all Countour not an only Rectangle

I tried to link FFMPEG with OpenCV,but I am getting unable to stop the video stream:inappropriate ioctl device error. I tried to install latest version of FFMPEG(4.2.1) and link it to OpenCV(3.4.3) installed.But I am getting the same error.

speeding up camera preview in android opencv using CameraBridgeViewBase class and JavaCameraView? [closed]

How to detect and crop rectangle and apply transformation from an image? [closed]

Yolov3 and darknet problem

Video capture not working properly

eye blink detection in python [closed]

VideoWriter write hangs

Calculate extrinsics between two cameras using FindHomography?

Triangulate from stereo fisheye cameras?

Find 3D coordinates of unknown amount of points with multiple cameras

How to implement tesseract ocr in android using native c++ opencv [closed]

How to extract signature from driving license card? [closed]

Opencv android : display popup in onCameraFrame when glare is detected on image. [closed]

Eye gaze detection in android [closed]

How to find rectangle edges from image and crop image from it's edges? [closed]

OpenCV (android) : How to get image metadata [closed]

Glare detection in image [closed]

How do I provide custom disparity search range in StereoSGBM for each pixel?

convert direct3d surface to umat fails

Compile openCV using JNI_VERSION_1_2

Equivalent OpenCV Java Code to this C++ Code

OpenCV Features2d.drawMatches set transparent matchColor [closed]

is the sigmoid kernel in SVM same as it in LIBSVM?

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