Questions - OpenCV Q&A Forum

3

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2020-04-08 17:59:26 -0500 PyNinja

Procedure for getting 3D coordinates from Stereo?

5

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1

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

gcc: error: long: No such file or directory

106

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1

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

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

3

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

Using solvePnP with fixed center of rotation

7

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

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

None

8

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1

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

LSH knnSearch slow in large dataset

9

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

How to determine and compensate for light falloff during stitching

26

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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

15

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1

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

convexityDefects errors

15

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-1

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

Suggestion on a usecase

14

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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

11

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

Identifying positive pixels after color deconvolution ignoring boundaries

15

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-1

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

cv2.error: OpenCV(4.2.0)

2dimage

7

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

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

105

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1

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

Android studio: undefined reference to cv::Stitcher

15

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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]

19

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1

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

contourArea strange behaviour

18

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1

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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?

12

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

_MM_PERM_ACBD problem in opencv 4.3.0 compiling

18

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

training haar cascade with single positive sample

11

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

Stereo Camera fisheye rectification problem

13

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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]);

47

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1

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

How to create a Binary Mask for medical images

13

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

How to properly estimate the Z rotation using ArUco Markers

38

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-1

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2020-04-06 12:00:46 -0500 anitarentz

I need help to install openCV

opencv#c++#Install

17

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2020-04-06 11:53:53 -0500 kane17752

openCVSharp [closed]

17

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2020-04-06 10:21:59 -0500 Umut

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

c++#opencv#ubuntu

21

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-1

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2020-04-06 10:21:08 -0500 Jack.Reacher

Extract Logo and Text from Visiting Card Image with coordinates

10

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no

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2020-04-06 09:51:17 -0500 GRASBOCK

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

c++#opencv#mingw

22

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2020-04-06 09:22:19 -0500 Pigeon

32,841 questions

Procedure for getting 3D coordinates from Stereo?

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

I need help to install openCV

openCVSharp [closed]

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

Extract Logo and Text from Visiting Card Image with coordinates

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

How to know the orientation of the QR Code?

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