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2019-01-16 04:47:03 -0500 commented question better camera stablization method?

I don(t understand what you want. Are you sure that you use stabilization method in good context ? The disturbances, th

2019-01-16 03:27:04 -0500 commented question Histogram Equilization

don't use loop to iterate over pixels if there is no specific function in opencv : use normalize Take care of conversio

2019-01-16 03:24:23 -0500 commented question Histogram Equilization

don't use loop to iterate over pixels if there is no specific function in opencv : use normalize Take care of conversio

2019-01-16 03:24:02 -0500 commented question Histogram Equilization

don't use loop to iterate over pixels if there is no specific function in opencv : use normalize Take care of conversio

2019-01-16 03:23:15 -0500 commented question Histogram Equilization

don't use loop to iterate over pixels if there is no specific function in opencv : use normalize and take care of conver

2019-01-16 03:22:47 -0500 commented question Histogram Equilization

don't use loop for iterate over pixels if there is no specific function in opencv : use normalize and take care of conve

2019-01-15 03:53:26 -0500 commented question type problem with cv.detail.resultRoi

@berak why do you thnik of https://github.com/opencv/opencv/pull/13580#issuecomment-454331226 ?

2019-01-13 06:08:38 -0500 commented question cross-compile opencv for arm : c++: error: unrecognized command line option ‘-mthumb’; did you mean ‘-mtbm’?

I know nothing about cross compilation but may be you can find some parameters in buildbot https://pullrequest.opencv.or

2019-01-13 04:19:34 -0500 commented question cross-compile opencv for arm : c++: error: unrecognized command line option ‘-mthumb’; did you mean ‘-mtbm’?

I know nothing about cross compilation but may be you can find some parameters in buildbot https://pullrequest.opencv.or

2019-01-12 15:19:07 -0500 edited answer function "drawKeypoints" do not work in openCV 4.0.1

Ok I can reproduce your error . Use named parameter : t= cv2.drawKeypoints(image,p, outImage=blank, color=(0, 0, 255),

2019-01-12 15:18:15 -0500 answered a question function "drawKeypoints" do not work in openCV 4.0.1

Ok I can reproduce your error . Use named parameter : t= cv2.drawKeypoints(image,p, outImage=None, color=(0, 0, 255),

2019-01-12 12:38:09 -0500 commented question Problem with Opencv tutorials and Opencv-Python tutorials

@supra56 there is no problem.... continue to help users

2019-01-12 12:26:57 -0500 commented question function "drawKeypoints" do not work in openCV 4.0.1

No I don't think so doc is here Show us your code

2019-01-12 12:26:45 -0500 commented question function "drawKeypoints" do not work in openCV 4.0.1

No I doon't think so doc is here Show us your code

2019-01-12 10:09:47 -0500 received badge  Popular Question (source)
2019-01-12 08:30:59 -0500 asked a question Problem with Opencv tutorials and Opencv-Python tutorials

Problem with Opencv tutorials and Opencv-Python tutorials If you are a beginer in opencv and you know python I think tha

2019-01-12 05:38:53 -0500 commented question roi out of bounds

I don't think so but it is offen better to use a new compiler : VS 2017 is free

2019-01-11 13:33:31 -0500 commented question roi out of bounds

VS2017 or VS2015

2019-01-10 12:18:55 -0500 commented question roi out of bounds

Using opencv 4 and changing maxiter to 100 (instead of 200000), results are Read trainX successfully, including 784 fe

2019-01-10 12:18:10 -0500 commented question roi out of bounds

.... learning step: 94, Cost function value = 2.30783, randomNum = 18594 learning step: 95, Cost function value = 2.306

2019-01-10 12:17:40 -0500 commented question roi out of bounds

Using opencv 4 and changing maxiter to 100 (instead of 200000), results are Read trainX successfully, including 784 fea

2019-01-10 11:52:45 -0500 commented question roi out of bounds

May be that's original code and readme in repo is "A single-layer Convolutional Neural Network See more details here: ht

2019-01-10 11:43:11 -0500 commented question roi out of bounds

May be that's original code

2019-01-10 11:16:33 -0500 commented question roi out of bounds

Use a debugger

2019-01-10 11:14:29 -0500 edited question roi out of bounds

OpenCV Error: Assertion failed (0 <= roi.x && 0 <= roi.width && roi.x + roi.width <= m.cols &am

2019-01-10 07:32:54 -0500 edited question Latest news

Latest news 2019-01-10 Unofficial pre-built OpenCV 4.0 packages for Python opencv-python 4.0.0.21 is available and open

2019-01-10 07:26:58 -0500 commented question OpenCV 4.0 count cameras number

I do not know other solutions

2019-01-10 07:22:33 -0500 commented question Latest news

@supra56 If you want to add something to this post : you can propose it

2019-01-10 07:04:20 -0500 edited question Latest news

opencv-python 4.0.0.21 2019-01-10 Unofficial pre-built OpenCV 4.0 packages for Python opencv-python 4.0.0.21 is availab

2019-01-10 07:03:01 -0500 edited question Latest news

opencv-python 4.0.0.21 2019-01-10 Unofficial pre-built OpenCV 4.0 packages for Python opencv-python 4.0.0.21 is availab

2019-01-10 07:02:51 -0500 edited question Latest news

opencv-python 4.0.0.21 2019-01-10 Unofficial pre-built OpenCV 4.0 packages for Python is available

2019-01-10 07:00:04 -0500 commented question Latest news

May be we can try to update post with opencv release opencv_contrib release and python (not official) and may be some ot

2019-01-10 06:57:53 -0500 commented question Latest news

May be we can try to update post with opencv release opencv_contrib release and python (not official) and may be some ot

2019-01-10 06:56:13 -0500 edited question Latest news

opencv-python 4.0.0.21 2019-01-10 Unofficial pre-built OpenCV 4.0 packages for Python is available

2019-01-10 06:39:36 -0500 edited question Latest news

opencv-python 4.0.0.21 Unofficial pre-built OpenCV 4.0 packages for Python is available

2019-01-10 03:20:49 -0500 asked a question Latest news

opencv-python 4.0.0.21 Unofficial pre-built OpenCV 4.0 packages for Python is available

2019-01-09 02:56:07 -0500 commented question Error static function 'bool pyopencv_to<DAISY_NormalizationType> not defined

Please full error message with line number and file name. Can check this build\opencv\opencv2\opencv_modules.hpp? You

2019-01-09 02:54:41 -0500 commented question Error static function 'bool pyopencv_to<DAISY_NormalizationType> not defined

Please full error message with line number and file name. Can check this build\opencv\opencv2\opencv_modules.hpp? You

2019-01-09 02:11:31 -0500 commented answer error handling with imread()

add cout << getBuildInformation(); in your source files

2019-01-08 14:36:36 -0500 commented answer error handling with imread()

Yes I know that "It's from the c++ standard library ". How do you build opencv? which options did you use ? Do you use g

2019-01-08 13:56:01 -0500 commented answer error handling with imread()

may be exception is thrown by 3rd party lib

2019-01-07 10:45:37 -0500 edited question I'm trying to run a face recognition program in python using OpenCV but I'm getting the following error which I'm unable to resolve. Any help is greatly appreciated

I'm trying to run a face recognition program in python using OpenCV but I'm getting the following error which I'm unable

2019-01-07 08:40:39 -0500 answered a question I'm trying to run a face recognition program in python using OpenCV but I'm getting the following error which I'm unable to resolve. Any help is greatly appreciated

How many times can I use same answer? : try this : face_cascade = cv2.CascadeClassifier(' path name to a real file') i

2019-01-06 10:46:57 -0500 edited answer i am unable to solve this plz help as soon as possible the cascade and the code is in the same file but i still get this error

try this : face_cascade = cv2.CascadeClassifier('/home/programmer/Desktop/project/cascades/data/cascades/data/haarcasca

2019-01-06 10:39:14 -0500 edited answer i am unable to solve this plz help as soon as possible the cascade and the code is in the same file but i still get this error

try this : face_cascade = cv2.CascadeClassifier('/home/programmer/Desktop/project/cascades/data/cascades/data/haarcasca

2019-01-06 10:38:28 -0500 answered a question i am unable to solve this plz help as soon as possible the cascade and the code is in the same file but i still get this error

try this : face_cascade = cv2.CascadeClassifier('/home/programmer/Desktop/project/cascades/data/cascades/data/haarcasca

2019-01-06 10:33:28 -0500 commented answer usage of detect_markers.exe

or read tutorial too

2019-01-06 05:49:23 -0500 edited answer How do I save a video with background subtraction applied

You can extract foreground and backgroung from original image using copyTo` : import numpy as np import cv2 as cv cap =

2019-01-06 05:42:34 -0500 edited answer How do I save a video with background subtraction applied

You can extract foreground and backgroung from original image using copyTo` : import numpy as np import cv2 as cv cap =

2019-01-06 05:37:39 -0500 edited answer How do I save a video with background subtraction applied

You can extract foreground and backgroung from original image using copyTo` : import numpy as np import cv2 as cv cap =