Questions - OpenCV Q&A Forum

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2020-11-19 20:07:38 -0600 crackwitz

How to Darken Faint/Dim Gray Text

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1

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2020-11-19 03:08:11 -0600 marius

opencv 4.5.0 cvDiv/cvMat equivalent ?

android

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1

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no

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2020-11-18 13:03:14 -0600 Tina J

cv2.error: OpenCV(4.0.0): …(-215:Assertion failed)… ONNXImporter::getLayerParams'

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2020-11-18 21:00:46 -0600 jeremyardley

-Wno-inconsistent-missing-override - Build Error OpenCV 4.5.0

290

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1

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no

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2020-11-19 16:49:29 -0600 crackwitz

I do downhole test using CCTV. Is there any open codes of the OpenCV I can use for a digital image stitching?

221

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2020-11-19 01:09:02 -0600 Ahmed

Is that an occlusion depth research problem?

opencv

340

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no

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2020-11-19 02:15:59 -0600 ARYL518

Use build_sdk.py to build opencv4 for android on Windows

android

377

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2020-11-19 16:58:13 -0600 crackwitz

Blockwise PCA & Sobel seem to be way off for ridge angle detection

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2020-11-30 07:08:44 -0600 berak

How to eliminate Text underline?

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2020-11-19 12:00:05 -0600 [email protected]

problem trying to install opencv-contrib-python

400

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2020-11-19 12:50:56 -0600 Handa

Creating a region of interest in java

750

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2020-11-19 20:13:19 -0600 crackwitz

Is there a way to select a specific web cam from USB hub on a Mac or Windows?

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2020-11-20 18:53:46 -0600 sjhalayka

About Using OpenCV in Unreal Engine 4 [closed]

429

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2020-11-21 02:13:53 -0600 berak

Result of My Cascade Training is Bad

opencv#traincascade

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2020-11-21 04:35:54 -0600 kani

How to draw contour for a document in OpenCV.js?

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3

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2020-11-26 13:38:03 -0600 AndyK

Use Opencl to access Umat data

opencl
UMat

732

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2020-11-21 10:03:42 -0600 berak

Can I use OpenCV Android for commercial sales [2020]?

5k

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1

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-1

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2020-11-21 09:49:33 -0600 berak

Hello, I am working on the image face recognition project. I am getting error as follows. Please guide.

assertion_failed

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no

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-2

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2020-11-21 14:28:23 -0600 berak

cv2.error: OpenCV(4.4.0)error: (-215:Assertion failed) !_src.empty() in function 'cv::cvtColor', 14errors module cv2

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2020-11-21 15:35:02 -0600 Ghetto82

RaspberryPI & OpenCV + Yolo: AttributeError: module 'cv2' has no attribute 'dnn'

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2020-11-22 10:53:01 -0600 Joanne

dnn with custom layer: Assertion failed !empty() in function 'forward'

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2020-11-22 09:17:03 -0600 sachet12345

Merging lines given end points

linesegmentdetector

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2020-11-22 20:03:37 -0600 sunitha premjee

Didn't find class "android.view.JavaCameraView" on path: DexPathList[[zip file "==/base.apk"],nativeLibraryDirectories=[==/lib/arm64, ==/base.apk!/lib/arm64-v8a, /system/lib64]]

2k

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2020-11-23 02:49:36 -0600 genzy9

Demosaicing c++

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2020-11-23 04:37:45 -0600 Antrac1t

reading CPU data

570

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2020-11-23 05:31:46 -0600 Ahmed

Cut faraway objects based on depth map

java

815

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2020-11-23 05:49:59 -0600 smitra

Perspective warping using QR codes as anchors in the image

3k

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1

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no

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2020-11-27 03:13:58 -0600 ieliz

Single Object Tracking in RealTime without cuda

623

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2020-11-24 10:44:25 -0600 daniel_vdc

Unable to open or export written video

295

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no

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2020-11-24 12:09:28 -0600 mael15

29,830 questions

How to Darken Faint/Dim Gray Text

opencv 4.5.0 cvDiv/cvMat equivalent ?

cv2.error: OpenCV(4.0.0): …(-215:Assertion failed)… ONNXImporter::getLayerParams'

-Wno-inconsistent-missing-override - Build Error OpenCV 4.5.0

I do downhole test using CCTV. Is there any open codes of the OpenCV I can use for a digital image stitching?

Is that an occlusion depth research problem?

Use build_sdk.py to build opencv4 for android on Windows

Blockwise PCA & Sobel seem to be way off for ridge angle detection

How to eliminate Text underline?

problem trying to install opencv-contrib-python

Creating a region of interest in java

Is there a way to select a specific web cam from USB hub on a Mac or Windows?

About Using OpenCV in Unreal Engine 4 [closed]

Result of My Cascade Training is Bad

How to draw contour for a document in OpenCV.js?

Use Opencl to access Umat data

Can I use OpenCV Android for commercial sales [2020]?

Hello, I am working on the image face recognition project. I am getting error as follows. Please guide.

cv2.error: OpenCV(4.4.0)error: (-215:Assertion failed) !_src.empty() in function 'cv::cvtColor', 14errors module cv2

RaspberryPI & OpenCV + Yolo: AttributeError: module 'cv2' has no attribute 'dnn'

dnn with custom layer: Assertion failed !empty() in function 'forward'

Merging lines given end points

Didn't find class "android.view.JavaCameraView" on path: DexPathList[[zip file "==/base.apk"],nativeLibraryDirectories=[==/lib/arm64, ==/base.apk!/lib/arm64-v8a, /system/lib64]]

Demosaicing c++

reading CPU data

Cut faraway objects based on depth map

Perspective warping using QR codes as anchors in the image

Single Object Tracking in RealTime without cuda

Unable to open or export written video

c++ heap error without using the library?! [closed]

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