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2020-02-22 04:04:04 -0500 commented question Help with OpenCV configure - objdetec

hmm, it seems to be a thing ...

2020-02-21 02:38:01 -0500 commented question OpenCV.js with Web Workers

q1-3 : no. it slows down the main thread try dnn based detection instead of cascades

2020-02-21 02:37:09 -0500 commented question OpenCV.js with Web Workers

q1-3 : no.

2020-02-21 02:20:08 -0500 commented question My Unreal Project has triggered a breakpoint and causing heap corruptions when implementing OpenCV in Custom C++ Class

I've already tested the code in another empty windows project and it worked fine we probably cannot help you, then,

2020-02-20 13:12:33 -0500 edited answer cv2.imread fail to open gif image

easy one, imread() won't read any .gif there is no codec for this (license problem) as a workaround (and if you have ff

2020-02-20 13:10:31 -0500 answered a question cv2.imread fail to open gif image

easy one, imread() won't read any .gif there is no codec for this (license problem) as a workaround (and if you have ff

2020-02-20 10:35:34 -0500 commented question Face recognition video crashing

but it never works fully. sorry, but that is far too vague. please add a better description of the problem and act

2020-02-20 09:04:46 -0500 commented question Mouse click x and y coordinates are consistently incorrect on Linux[SOLVED]

WND_PROP_FULLSCREEN will resize the image to desktop size internally. your windows and linux computers have a differen

2020-02-20 04:45:20 -0500 edited answer Detecting changes of image

maybe simple template matching already does the trick. we can also check "per battery" in the pack: float sim(const

2020-02-20 04:44:01 -0500 answered a question Detecting changes of image

maybe simple template matching already does the trick, we can also check "per battery" in the pack: float sim(const M

2020-02-20 03:11:21 -0500 commented question How to create Axis-aligned bounding boxes using Flatten()

state['ploygon'] = rbox_in_img if mask_enable else [] please check: type(state['ploygon']) (probably not a numpy a

2020-02-20 01:38:27 -0500 commented question Opencv.js - Background subtraction and replacement in Javascript

documentation on what is and what isn't implemented in the opencv.js build there's a whitelist here

2020-02-20 01:34:20 -0500 commented question How to create Axis-aligned bounding boxes using Flatten()

state['ploygon'] = rbox_in_img if mask_enable else [] please check: type(state['ploygon'] ) (probably not a numpy

2020-02-20 01:33:24 -0500 commented question How to create Axis-aligned bounding boxes using Flatten()

state['ploygon'] = rbox_in_img if mask_enable else [] please check: type(state['ploygon'] ) (probably not a numpy

2020-02-20 00:29:43 -0500 edited question Error when I compile OpenCV

Error when I compile OpenCV Hi all, I tried to compile OpenCV 4.1.0 with OpenCV-contrib 4.1.0 , but I find always the sa

2020-02-20 00:16:46 -0500 edited question How to create Axis-aligned bounding boxes using Flatten()

How to create Axis-aligned bounding boxes using Flatten() I am trying to get axis-aligned bounding box where the origina

2020-02-19 08:10:47 -0500 commented question I am getting Segmentation fault (core dumped)

cv2.release() -- seriously ? where did you find that ? (kps, descs) = detector.detectAndCompute(cv_image, 0) -- 0 is fo

2020-02-19 06:38:05 -0500 edited question I am getting Segmentation fault (core dumped)

I am getting Segmentation fault (core dumped) I am running ubuntu, python and trying to use AKAZE features on my camera.

2020-02-19 05:02:18 -0500 commented question How to create Axis-aligned bounding boxes using Flatten()

please put more code into your question, noone will parse a whole github repo to understand your problem

2020-02-19 02:16:01 -0500 edited question How to create Axis-aligned bounding boxes using Flatten()

How to create Axis-aligned bounding boxes using Flatten() I am trying to get axis-aligned bounding box by commenting out

2020-02-19 02:14:48 -0500 edited question How to create Axis-aligned bounding boxes using Flatten()

How to create Axis-aligned bounding boxes using Flatten() I am trying to get axis-aligned bounding box by commenting out

2020-02-18 04:27:26 -0500 commented question Some packages in python 2.7 do not exist in python 3.(e.g ximgoproc, xfeatures2d)

cv2.ixmgproc is a typo, it does not exist

2020-02-17 06:02:11 -0500 commented answer unable to build application in linux based on opencv::dnn module

how would we know, how your OD_app takes cmdline args w/o code ?

2020-02-17 05:54:37 -0500 commented question Detecting changes of image

ah, but as it looks, the battery can have any 90° rotation, right ?

2020-02-17 05:52:35 -0500 commented question Detecting changes of image

for example image 1 is the correct form of the pack and image 2 is an incorrect pack. and yes the image will be taken

2020-02-17 03:35:42 -0500 commented question Detecting changes of image

please add example images (if you can fix the camera and the battery position, maybe a simple absdiff() will already do

2020-02-17 03:22:47 -0500 commented question Decode with multiple GPUs: How can I specify whichi gpu to use in cv::VideoCapture()?

unfortunately, cv::VideoCapture won't use any gpu for decoding, but maybe you can use something from here (requires buil

2020-02-17 03:21:04 -0500 commented question Decode with multiple GPUs: How can I specify whichi gpu to use in cv::VideoCapture()?

unfortunately, cv::VideoCapture won't use any gpu for decoding, but maybe you can use something from here

2020-02-17 02:05:27 -0500 commented question I'm compiling opencv3.4.9 and contrib3.4.9. But it doesn't work with python2.7[SOLVED]

please check cv2.getBuildInformation() , you might be using an older version, not the one you've built also you need: c

2020-02-16 12:15:40 -0500 commented question This is a code to train a dataset of faces captured using OpenCV in python. I get error like this. Help appreciated

@VigneshSuresh align(...) -- how would we know, what it does ? somehow, your input to imwrite() is invalid (and it migh

2020-02-16 08:44:14 -0500 commented question I'am done my JAVAFX application with opencv,but processing is running slowly?

it took more than 1 hour to work doing what, btw ? where's the problem ?

2020-02-16 07:30:44 -0500 commented question This is a code to train a dataset of faces captured using OpenCV in python. I get error like this. Help appreciated

^^ yep, duplicate, i simply deleted the other one

2020-02-16 05:41:21 -0500 commented question This is a code to train a dataset of faces captured using OpenCV in python. I get error like this. Help appreciated

your alignedFace img is invalid / empty, please check the outcome of image = cv2.imread(imagePath) it's probably already

2020-02-16 05:38:14 -0500 edited question This is a code to train a dataset of faces captured using OpenCV in python. I get error like this. Help appreciated

This is a code to train a dataset of faces captured using OpenCV in python. I get error like this. Help appreciated The

2020-02-15 03:45:43 -0500 commented question Haar Cascade Classifier

I can't detect a human crawling, crouching and walking with the same Haar Cascade exactly. "good data" e.g. t

2020-02-15 03:45:01 -0500 commented question Haar Cascade Classifier

I can't detect a human crawling, crouching and walking with the same Haar Cascade exactly. "good data" e.g. t

2020-02-15 03:39:12 -0500 commented question Haar Cascade Classifier

I can't detect a human crawling, crouching and walking with the same Haar Cascade exactly. "good data" e.g. t

2020-02-15 03:34:01 -0500 commented question I'am done my JAVAFX application with opencv,but processing is running slowly?

please: edit your question, and put (the relevant part of) your code there (not into comments). try to explain, what y

2020-02-15 03:32:29 -0500 commented question I'am done my JAVAFX application with opencv,but processing is running slowly?

please: edit your question, and put (the relevant part of) your code there. try to explain, what you try to achieve, a

2020-02-15 01:21:49 -0500 commented question Haar Cascade Classifier

to train a decent cascade classifier, you would need like a few 1000 images, and any variation in pose is harmful. and y

2020-02-15 01:11:59 -0500 answered a question error: ‘imread’ was not declared in this scope

please #include <opencv2/imgcodecs.hpp> in your code. also you should not include anything from the src folde

2020-02-14 14:28:39 -0500 commented question I'am done my JAVAFX application with opencv,but processing is running slowly?

it took more than 1 hour to work doing what, btw ? where's the problem ? (apart from pebcak)

2020-02-14 14:21:19 -0500 commented question I'am done my JAVAFX application with opencv,but processing is running slowly?

But it takes more than 1 hour to work!! heh

2020-02-14 08:42:04 -0500 commented answer More efficient way to sum several images with Mat

avoid writing your own loops, pointers or not, its slow & error prone, e.g. it will break, once you change the under

2020-02-14 07:33:24 -0500 commented answer More efficient way to sum several images with Mat

@wisewolf76 -- if you go that way, you need to convert ALL images to 16s (add() does not accept different types, dif

2020-02-14 06:58:05 -0500 commented answer More efficient way to sum several images with Mat

no, i mean -- show resp. part of code, please

2020-02-14 05:51:27 -0500 commented question the code to extract the green boxes from the picture "Python-Interview.jpg" and copy them to a folder.[SOLVED]

and the problem is ?

2020-02-14 05:39:50 -0500 commented answer More efficient way to sum several images with Mat

what ? you must be using different code, something with a std::vector ? (and please NEVER post screenshots of code or

2020-02-14 05:38:36 -0500 commented answer More efficient way to sum several images with Mat

what ? you must be using different code, something with a std::vector ?

2020-02-14 04:59:52 -0500 answered a question More efficient way to sum several images with Mat

maybe you can use accumulate here, since it can handle larger result types like: Mat a = imread("a.png",0); Mat b =