Questions - OpenCV Q&A Forum

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2020-04-06 13:06:20 -0600 stefanos.dimos

How to properly estimate the Z rotation using ArUco Markers

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2020-04-06 14:32:47 -0600 andrei186

extract RGB values from ptr[c] = cv::Vec3b(ptr[c][2], ptr[c][1], ptr[c][0]);

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2020-04-06 16:51:53 -0600 becca

Stereo Camera fisheye rectification problem

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2020-04-06 22:01:23 -0600 LearningCV

training haar cascade with single positive sample

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2020-04-06 23:30:25 -0600 George_cwg

_MM_PERM_ACBD problem in opencv 4.3.0 compiling

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2020-04-07 01:42:41 -0600 berak

Measuring color difference from an ROI within the image using DeltaE color difference?

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2020-04-07 04:44:43 -0600 gaby

SIGSEGV in libopencv_core.4.1.dylib called from java, works on one machine but not another [closed]

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2020-04-07 15:20:17 -0600 sonam

cv2.error: OpenCV(4.2.0)

2dimage

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2020-04-07 20:27:50 -0600 Assaf M

Identifying positive pixels after color deconvolution ignoring boundaries

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2020-04-07 23:45:47 -0600 WayneCho

How can I measure the difference between two gradient maps? Is there any metric?

imageprocessing

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2020-04-08 01:42:27 -0600 Srini9

Suggestion on a usecase

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2020-04-08 09:47:54 -0600 edif

How to determine and compensate for light falloff during stitching

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2020-04-08 10:32:53 -0600 berak

LSH knnSearch slow in large dataset [closed]

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2020-04-08 13:49:51 -0600 berak

openCV function '.read()' return (False, None)

None

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2020-04-09 02:20:58 -0600 berak

Procedure for getting 3D coordinates from Stereo?

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2020-04-08 18:07:31 -0600 h4k1m

Dot product on Vec2s returning incorrect results

dot
vectors

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2020-04-08 20:26:25 -0600 alittlebirdy

Using convertTo corrupts the image

c++opencv

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2020-04-08 21:54:42 -0600 redhwan

How to extract a feature from OpenCV instead of skimage?

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2020-04-09 07:56:43 -0600 noshky

1D->2D pose estimation - detect 2D camera location

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2020-04-09 13:25:25 -0600 chchang6

Test failure with opencv_perf_tracking

cvtest
build

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2020-04-10 01:37:27 -0600 Sundar_1998

Sneeze and cough detection

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2020-04-10 05:22:09 -0600 LewsTherin511

OpenCV - object detection on video, elaborate frames in real time

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2020-04-10 05:50:06 -0600 noshky

Linearity of world angles from image pixels

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2020-04-10 08:21:35 -0600 Tyommik

OpenCV::DNN doesn't support conv1d

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2020-04-10 13:56:40 -0600 TWAAL

I need to count the number of pixels that fall into a color range

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2020-04-11 05:42:51 -0600 amartincv

How to create a OpenCV camera from this parameters?

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2020-04-11 06:21:32 -0600 lucky

How to detect cracks in an image?

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2020-04-11 08:43:32 -0600 carmeltop

gcc: error: long: No such file or directory (!!DENABLE_OPENCV_ALLOCATOR_STATS has set off)

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2020-04-12 01:38:37 -0600 Zana Zakaryaie Nejad

How to add python2 to pre-built OpenCV?

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2020-04-13 02:08:21 -0600 prostoi chelovek

29,830 questions

How to properly estimate the Z rotation using ArUco Markers

extract RGB values from ptr[c] = cv::Vec3b(ptr[c][2], ptr[c][1], ptr[c][0]);

Stereo Camera fisheye rectification problem

training haar cascade with single positive sample

_MM_PERM_ACBD problem in opencv 4.3.0 compiling

Measuring color difference from an ROI within the image using DeltaE color difference?

SIGSEGV in libopencv_core.4.1.dylib called from java, works on one machine but not another [closed]

cv2.error: OpenCV(4.2.0)

Identifying positive pixels after color deconvolution ignoring boundaries

How can I measure the difference between two gradient maps? Is there any metric?

Suggestion on a usecase

How to determine and compensate for light falloff during stitching

LSH knnSearch slow in large dataset [closed]

openCV function '.read()' return (False, None)

Procedure for getting 3D coordinates from Stereo?

Dot product on Vec2s returning incorrect results

Using convertTo corrupts the image

How to extract a feature from OpenCV instead of skimage?

1D->2D pose estimation - detect 2D camera location

Test failure with opencv_perf_tracking

Sneeze and cough detection

OpenCV - object detection on video, elaborate frames in real time

Linearity of world angles from image pixels

OpenCV::DNN doesn't support conv1d

I need to count the number of pixels that fall into a color range

How to create a OpenCV camera from this parameters?

How to detect cracks in an image?

gcc: error: long: No such file or directory (!!DENABLE_OPENCV_ALLOCATOR_STATS has set off)

How to add python2 to pre-built OpenCV?

How to detect foreign objects on a plane?

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