Questions - OpenCV Q&A Forum

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2020-04-09 08:02:58 -0500 SylvainArd

extracting the contour of the underside of bramble stems

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2020-04-09 07:56:43 -0500 noshky

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

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2020-04-09 04:48:51 -0500 berak

python code in tutorial "file input and output using xml and yaml files"

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2020-04-09 02:20:58 -0500 berak

Procedure for getting 3D coordinates from Stereo?

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2020-04-08 21:54:42 -0500 redhwan

How to extract a feature from OpenCV instead of skimage?

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2020-04-08 20:26:25 -0500 alittlebirdy

Using convertTo corrupts the image

c++opencv

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2020-04-08 18:07:31 -0500 h4k1m

Dot product on Vec2s returning incorrect results

dot
vectors

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2020-04-08 17:46:59 -0500 berak

gcc: error: long: No such file or directory

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2020-04-08 15:28:04 -0500 noshky

SolvePNP_P3P doesn't work for 4 points. Please help.

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2020-04-08 14:50:39 -0500 Anton Gromov

Using solvePnP with fixed center of rotation

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2020-04-08 13:49:51 -0500 berak

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

None

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2020-04-08 10:32:53 -0500 berak

LSH knnSearch slow in large dataset

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2020-04-08 09:47:54 -0500 edif

How to determine and compensate for light falloff during stitching

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2020-04-08 07:32:16 -0500 berak

[Darknet-off topic] Cannot load image "-dont_show" despite patch of images and opencv OK [closed]

darknet

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2020-04-08 06:33:09 -0500 berak

convexityDefects errors

16

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2020-04-08 01:42:27 -0500 Srini9

Suggestion on a usecase

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2020-04-07 23:45:47 -0500 WayneCho

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

imageprocessing

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2020-04-07 20:27:50 -0500 Assaf M

Identifying positive pixels after color deconvolution ignoring boundaries

24

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2020-04-07 15:20:17 -0500 sonam

cv2.error: OpenCV(4.2.0)

2dimage

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2020-04-07 09:40:54 -0500 TheCakeLover

hpoints > 0: Error using convexityDefects() [closed]

106

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2020-04-07 09:06:53 -0500 zelda

Android studio: undefined reference to cv::Stitcher

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2020-04-07 04:44:43 -0500 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 02:26:43 -0500 hamsolo474

contourArea strange behaviour

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2020-04-07 01:42:41 -0500 berak

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

14

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2020-04-06 23:30:25 -0500 George_cwg

_MM_PERM_ACBD problem in opencv 4.3.0 compiling

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2020-04-06 22:01:23 -0500 LearningCV

training haar cascade with single positive sample

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2020-04-06 16:51:53 -0500 becca

Stereo Camera fisheye rectification problem

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2020-04-06 14:32:47 -0500 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 14:15:59 -0500 supra56

How to create a Binary Mask for medical images

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2020-04-06 13:06:20 -0500 stefanos.dimos

32,847 questions

extracting the contour of the underside of bramble stems

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

python code in tutorial "file input and output using xml and yaml files"

Procedure for getting 3D coordinates from Stereo?

How to extract a feature from OpenCV instead of skimage?

Using convertTo corrupts the image

Dot product on Vec2s returning incorrect results

gcc: error: long: No such file or directory

SolvePNP_P3P doesn't work for 4 points. Please help.

Using solvePnP with fixed center of rotation

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

LSH knnSearch slow in large dataset

How to determine and compensate for light falloff during stitching

[Darknet-off topic] Cannot load image "-dont_show" despite patch of images and opencv OK [closed]

convexityDefects errors

Suggestion on a usecase

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

Identifying positive pixels after color deconvolution ignoring boundaries

cv2.error: OpenCV(4.2.0)

hpoints > 0: Error using convexityDefects() [closed]

Android studio: undefined reference to cv::Stitcher

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

contourArea strange behaviour

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

_MM_PERM_ACBD problem in opencv 4.3.0 compiling

training haar cascade with single positive sample

Stereo Camera fisheye rectification problem

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

How to create a Binary Mask for medical images

How to properly estimate the Z rotation using ArUco Markers

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