Questions - OpenCV Q&A Forum

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2020-11-24 21:33:38 -0500 gentle_rain

How can I segment text from images with complex backgrounds?

14

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2020-11-24 13:46:38 -0500 berak

heap errors without using anything from the lib

heap
error

11

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2020-11-24 12:09:28 -0500 mael15

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

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2020-11-24 10:44:25 -0500 daniel_vdc

Unable to open or export written video

52

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2020-11-24 02:58:40 -0500 berak

How to eliminate Text underline?

19

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2020-11-24 01:31:19 -0500 fightforge

Single Object Tracking in RealTime without cuda

17

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2020-11-23 05:49:59 -0500 smitra

Perspective warping using QR codes as anchors in the image

17

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2020-11-23 05:31:46 -0500 Ahmed

Cut faraway objects based on depth map

java

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2020-11-23 04:37:45 -0500 Antrac1t

reading CPU data

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2020-11-23 02:49:36 -0500 genzy9

Demosaicing c++

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2020-11-22 20:03:37 -0500 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]]

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2020-11-22 10:53:01 -0500 Joanne

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

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2020-11-22 09:17:03 -0500 sachet12345

Merging lines given end points

linesegmentdetector

33

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2020-11-21 15:35:02 -0500 Ghetto82

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

30

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2020-11-21 14:40:50 -0500 berak

Use Opencl to access Umat data

opencl
UMat

93

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-2

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2020-11-21 14:28:23 -0500 berak

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

38

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2020-11-21 10:03:42 -0500 berak

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

33

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2020-11-21 09:49:33 -0500 berak

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

assertion_failed

23

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2020-11-21 04:35:54 -0500 kani

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

19

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2020-11-21 02:13:53 -0500 berak

Result of My Cascade Training is Bad

opencv#traincascade

25

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1

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2020-11-20 18:53:46 -0500 sjhalayka

About Using OpenCV in Unreal Engine 4 [closed]

32

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2020-11-20 09:26:15 -0500 Peppe

How to fix error: unrecognized command-line option ‘--param=ipcp-unit-growth=100000’

81

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-2

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2020-11-20 02:14:39 -0500 kilwa

calculating the area dimension in image

python#opencv

573

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4

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2020-11-20 01:41:09 -0500 dkurt

Android OpenCV + camera is just showing black screen

470

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2020-11-19 20:23:12 -0500 crackwitz

How to calculate Optical Flow magnitude?

29

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2020-11-19 20:13:19 -0500 crackwitz

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

40

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2

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2020-11-19 20:07:38 -0500 crackwitz

How to Darken Faint/Dim Gray Text

34

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1

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2020-11-19 16:58:13 -0500 crackwitz

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

30

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2020-11-19 16:49:29 -0500 crackwitz

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

21

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-1

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2020-11-19 12:50:56 -0500 Handa

30,542 questions

How can I segment text from images with complex backgrounds?

heap errors without using anything from the lib

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

Unable to open or export written video

How to eliminate Text underline?

Single Object Tracking in RealTime without cuda

Perspective warping using QR codes as anchors in the image

Cut faraway objects based on depth map

reading CPU data

Demosaicing c++

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

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

Merging lines given end points

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

Use Opencl to access Umat data

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

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.

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

Result of My Cascade Training is Bad

About Using OpenCV in Unreal Engine 4 [closed]

How to fix error: unrecognized command-line option ‘--param=ipcp-unit-growth=100000’

calculating the area dimension in image

Android OpenCV + camera is just showing black screen

How to calculate Optical Flow magnitude?

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

How to Darken Faint/Dim Gray Text

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

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

Creating a region of interest in java

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