Questions - OpenCV Q&A Forum

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2020-04-09 11:46:21 -0600 Eduardo

Using solvePnP with fixed center of rotation

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

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

386

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2020-04-09 04:48:51 -0600 berak

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

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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 21:54:42 -0600 redhwan

How to extract a feature from OpenCV instead of skimage?

129

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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 18:07:31 -0600 h4k1m

Dot product on Vec2s returning incorrect results

dot
vectors

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2020-04-08 15:28:04 -0600 noshky

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

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

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

None

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

LSH knnSearch slow in large dataset [closed]

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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 07:32:16 -0600 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 -0600 berak

convexityDefects errors

146

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

Suggestion on a usecase

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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

206

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

Identifying positive pixels after color deconvolution ignoring boundaries

886

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-1

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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 09:06:53 -0600 zelda

Android studio: undefined reference to cv::Stitcher

336

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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 01:42:41 -0600 berak

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

123

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

_MM_PERM_ACBD problem in opencv 4.3.0 compiling

376

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

training haar cascade with single positive sample

422

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

Stereo Camera fisheye rectification problem

522

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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 14:15:59 -0600 supra56

How to create a Binary Mask for medical images

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

How to properly estimate the Z rotation using ArUco Markers

149

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-1

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2020-04-06 12:00:46 -0600 anitarentz

I need help to install openCV

opencv#c++#Install

417

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2020-04-06 10:21:59 -0600 Umut

How to copy shared OpenCV libraries to cmake's folder?

c++#opencv#ubuntu

490

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2020-04-06 09:51:17 -0600 GRASBOCK

CMake links dynamically even though its supposed to link statically [cross compilation Linux -> Windows]

c++#opencv#mingw

165

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2020-04-06 07:09:14 -0600 dorohedoro

29,830 questions

Using solvePnP with fixed center of rotation

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

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

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

LSH knnSearch slow in large dataset [closed]

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)

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]

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

I need help to install openCV

How to copy shared OpenCV libraries to cmake's folder?

CMake links dynamically even though its supposed to link statically [cross compilation Linux -> Windows]

Robust OCR on alternating-distance handwritten grades

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