Questions - OpenCV Q&A Forum

11

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no

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2020-09-30 19:18:00 -0500 Der Luftmensch

crash in Mat::release()

42

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no

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2020-09-30 12:40:31 -0500 bluehawk91

How to Align two images?

image-alignment

8

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no

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2020-09-30 11:21:37 -0500 csggnn

UI calls in different threads (imshow) how to detect and avoid.

7

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no

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2020-09-30 04:05:24 -0500 koumeravinus

model.forward give an error. opencv.js

13

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-1

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2020-09-30 02:55:47 -0500 hoseinimage

Blank White Screen in Import OBJ files [closed]

11

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2020-09-29 09:31:49 -0500 hoka

opencv need gstreamer for build [closed]

Kurento

47

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2020-09-29 08:49:30 -0500 kilwa

how can i draw a contours in specific region

17

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no

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2020-09-29 07:17:05 -0500 supra56

Extract red boxes, and its inner content, in a photo

16

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2020-09-29 06:44:22 -0500 Shassk

undistort() and remap() give different results

9

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2020-09-29 05:45:21 -0500 herbata666

Android - access hardware camera with Opencv-python and Kivy

10

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no

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2020-09-29 04:31:43 -0500 nic_olas

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

10

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2020-09-29 04:13:09 -0500 Ricki Hutagaol

how to create an image box in python using tkinter

9

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2020-09-29 02:47:58 -0500 yaor42

unwrapPhaseMap() does not take ndarray in Python

19

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no

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2020-09-29 00:15:25 -0500 yfoo

Circle ROI, remove square mask border

circle
mask

13

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no

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2020-09-28 20:20:07 -0500 nabatta

Drone Localization with IR Beacons?

12

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2020-09-28 11:52:06 -0500 kebwi

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

36

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no

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2020-09-28 07:23:22 -0500 sarslan

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

17

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2020-09-28 06:59:48 -0500 Scheolin

Camera Center from rvecs and tvecs

opencv

19

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no

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2020-09-28 05:18:41 -0500 image data

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

Satellite

29

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1

answer

1

vote

2020-09-28 03:09:56 -0500 berak

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

15

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no

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2020-09-28 01:35:24 -0500 Deebo

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

VS2019

14

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no

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no

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2020-09-28 01:22:20 -0500 vib1035

Opencv Python - Detecting lines on a page of a book

image-processing

13

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1

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no

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2020-09-27 20:00:52 -0500 squenix008

Callback parameters not being updated

setMouseCallback

38

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1

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no

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2020-09-27 09:11:36 -0500 Chris

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

22

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2

answers

2

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2020-09-27 05:39:55 -0500 sturkmen

try to read different frame by videocapture but failed

videocapture

37

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1

answer

1

vote

2020-09-26 19:26:00 -0500 greggaz

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

69

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1

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2020-09-26 17:19:59 -0500 sturkmen

deletion of useless posts

forum

35

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1

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no

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2020-09-25 22:55:15 -0500 yoshihiko

How to convert stereo camera distances, pixels to mm [closed]

stereocamera

2k

views

1

answer

3

votes

2020-09-25 19:46:18 -0500 tjwmmd2

Fastest way to convert BGR <-> RGB! Aka: Do NOT use Numpy magic "tricks".

22

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no

answers

no

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2020-09-25 16:54:52 -0500 queisser

Calibration grid larger than FOV - which method?

calibration

33,055 questions

crash in Mat::release()

How to Align two images?

UI calls in different threads (imshow) how to detect and avoid.

model.forward give an error. opencv.js

Blank White Screen in Import OBJ files [closed]

opencv need gstreamer for build [closed]

how can i draw a contours in specific region

Extract red boxes, and its inner content, in a photo

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

Circle ROI, remove square mask border

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

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

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

Opencv Python - Detecting lines on a page of a book

Callback parameters not being updated

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

try to read different frame by videocapture but failed

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

deletion of useless posts

How to convert stereo camera distances, pixels to mm [closed]

Fastest way to convert BGR <-> RGB! Aka: Do NOT use Numpy magic "tricks".

Calibration grid larger than FOV - which method?

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