Questions - OpenCV Q&A Forum

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2020-09-29 06:44:22 -0600 Shassk

undistort() and remap() give different results

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2020-09-29 05:45:21 -0600 herbata666

Android - access hardware camera with Opencv-python and Kivy

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2020-09-29 04:31:43 -0600 nic_olas

Detecting Charuco with low contrast and few pixels in big picture.

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2020-09-29 04:13:09 -0600 Ricki Hutagaol

how to create an image box in python using tkinter

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2020-09-29 02:47:58 -0600 yaor42

unwrapPhaseMap() does not take ndarray in Python

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2020-09-28 20:20:07 -0600 nabatta

Drone Localization with IR Beacons?

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2020-09-28 11:52:06 -0600 kebwi

VFR: obtain FR/duration/timestamp of a given frame?

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2020-09-28 07:23:22 -0600 sarslan

Using Gstreamer Pipeline in openCV, Why my pipeline works when I add videoconvert element before appsink ?

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2020-09-28 06:59:48 -0600 Scheolin

Camera Center from rvecs and tvecs

opencv

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2020-09-28 05:18:41 -0600 image data

I wanted to export my satellite image to a particular zoom level

Satellite

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2020-09-28 01:35:24 -0600 Deebo

Visual Studio 2019 build error "link.exe" could not be run

VS2019

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2020-09-28 03:09:56 -0600 berak

Why is a contour from cv2.findContours() in a shape like [N,1,2]?

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2020-09-27 20:00:52 -0600 squenix008

Callback parameters not being updated

setMouseCallback

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2020-09-27 05:39:55 -0600 sturkmen

try to read different frame by videocapture but failed

videocapture

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2020-09-27 09:11:36 -0600 Chris

How to color the pixels in an image depending on whether they are inside/outside a zone/circle?

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2020-09-25 16:54:52 -0600 queisser

Calibration grid larger than FOV - which method?

calibration

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2020-09-25 11:30:43 -0600 Vishwanath Garrepalli

Hi I have started working in ML and CV field recently. I want to participate in GSoC 2021. Can someone please guide and suggest me what I should do for contributing.

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2020-09-25 08:36:25 -0600 Pawan29

What is the length of the tape/strip from the image?

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2020-09-25 09:05:59 -0600 jast_r

Preform separation and image segmentation

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2020-09-25 05:34:38 -0600 Supreeth Kumar Y P

How to update UMat when Mat is updated?

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2020-09-25 05:21:10 -0600 Shassk

Determine new coordinates of pixel after calibration + remap

calibration

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2020-09-25 02:54:32 -0600 wil-den

peculiar docker problem

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2020-09-26 19:26:00 -0600 greggaz

Cannot decode server-sent uchar vector on client side: Empty Mat results.

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2020-09-25 09:20:12 -0600 Leonardo_ads

imencode not working with ".jpg" extension (Access violation reading location)

imencode

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2020-09-24 13:01:09 -0600 Mark S

ArUco Thresholding Window Size

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2020-09-24 10:44:53 -0600 berak

how to solve (-215:Assertion failed) !empty() in function 'cv::CascadeClassifier::detectMultiScale'

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2020-09-24 07:37:13 -0600 Maxime

Why imread is reallocating data buffer

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2020-09-24 05:42:44 -0600 Den

Opencv.js - findPerspective returns wrong corners coordinates

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2020-09-29 08:49:30 -0600 kilwa

how can i draw a contours in specific region

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2020-11-11 12:50:37 -0600 aliakseis

29,830 questions

undistort() and remap() give different results

Android - access hardware camera with Opencv-python and Kivy

Detecting Charuco with low contrast and few pixels in big picture.

how to create an image box in python using tkinter

unwrapPhaseMap() does not take ndarray in Python

Drone Localization with IR Beacons?

VFR: obtain FR/duration/timestamp of a given frame?

Using Gstreamer Pipeline in openCV, Why my pipeline works when I add videoconvert element before appsink ?

Camera Center from rvecs and tvecs

I wanted to export my satellite image to a particular zoom level

Visual Studio 2019 build error "link.exe" could not be run

Why is a contour from cv2.findContours() in a shape like [N,1,2]?

Callback parameters not being updated

try to read different frame by videocapture but failed

How to color the pixels in an image depending on whether they are inside/outside a zone/circle?

Calibration grid larger than FOV - which method?

Hi I have started working in ML and CV field recently. I want to participate in GSoC 2021. Can someone please guide and suggest me what I should do for contributing.

What is the length of the tape/strip from the image?

Preform separation and image segmentation

How to update UMat when Mat is updated?

Determine new coordinates of pixel after calibration + remap

peculiar docker problem

Cannot decode server-sent uchar vector on client side: Empty Mat results.

imencode not working with ".jpg" extension (Access violation reading location)

ArUco Thresholding Window Size

how to solve (-215:Assertion failed) !empty() in function 'cv::CascadeClassifier::detectMultiScale'

Why imread is reallocating data buffer

Opencv.js - findPerspective returns wrong corners coordinates

how can i draw a contours in specific region

Measuring of lanes or stripes on noisy and underexposed images

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