I have an error in #import numpy as np, why is that?
The code I am trying to run is this one: ( Microsoft Visual Studio Coomunity 2015, Open cv 3.1.0. and numpy is downloaded in directory C:) PS: how can I copy-paste the code here so you can read it...
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How To pick the Very Best wedding Event Jewellery
If you want to win your spouse's heart again, you should never beg, cry, fight or even make empty promises about changing yourself. All these actions will only hurt your relationship further and make...
View ArticleHow to setup OpenCV SDK in Android Studio.
I'm using **android studio** for development **instead** of eclipse. Please explain **how to setup OpenCV sdk in android studio in steps** -Thanks
View ArticleHow to initialize Mat size and fill it with zeros in a class ?
How do I initialize a Mat with a certain size and fill it with zeros in a class ? The simple cv::Mat test(cv::Size(1, 49), CV_64FC1); does not work. Sorry this worked cv::Mat texture_ =...
View ArticleOrientation of two contours
I try to calculate the orientation of 2 contours. At the end i want to rotate one contour, so it is in cover with the other one. With my code I get a result, but it isn't that accurate. Also I get the...
View Articlejava.lang.IllegalArgumentException: Incompatible Mat
I am using OpenCV in Java and I've the following function: Mat getSearchArea(Mat frame, Point startPoint, Point endPoint) { Point upperLineStartPoint = new Point(startPoint.x, startPoint.y - MARGIN);...
View Articlereturn value matchShapes(contours)
I know that the return value of the matchShapes() function is different depending of the orientation of the contour. But I recognized that a twisted contour gets a smaller return value than a not...
View ArticleOpenCV loading failed on Huawei BTV-W09
Hallo, I am working with OpenCV4android version 2.4.11, the way i load openCV library as shown below in the code works fine on Samsung device, but when I tried the same code on Huawei MediaPad with...
View ArticleBad Camera Calibration
Hi Guys, I'm trying to calibrate the integrated Camera of my notebook. I'm using a 9x6 cheeseboard with a length of 300mm. It's printed on a Konica bizhub 452c and fixated on a drawingboard. Using the...
View Article3dplot library (C, C++) in opencv
I have a 2D Mat data/image using OpenCV. I would like to plot a 3D graph from it, the row as x-axis, column as y-axis & the pixel values on each coordinate(row,column) as z-axis. I would like to...
View Articlenot open webcam window in visual studio 13 opencv300
my laptop model is Lenovo G50,windows10 ,64bit , OpenCV(3.0.0) library in visual studio 13 in videocapture coding is not work properly...code is perfect but in output only blink light there is not...
View ArticleCustom HOG not detecting features
I have an XML file with the contents of a trained SVM using HOG features from 14000 images in total, 9000 negative samples, and 5000 positive. I trained my SVM using OpenCV's Java extensions, but had...
View ArticleNeed help with grabcut results and canny edge detection?
I am trying to segment an image containing a mole using grabcut algorithm with 8 iterations. The result I get is this. I understand that the white space is causing problems. ![Grabcut...
View ArticleNode js error OpenCV in Ubuntu
Hi, I need your help because I can not install openCV on node js. Help me please I'm desperate
View ArticleCamera coordinates from solvePnP
I have a box with a square sticker attached to the side of it. I know the image plane coordinates of the vertices of the sticker and the dimensions of sticker and the box. Using solvePnP I am able to...
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Gift Cards - Does The Perfect Gift Require Perfecting?
The National Store Federation anticipated $17.24 billion amount of getaway revenue this past year in gift cards. The causes gift cards are incredibly often acquired instead of other items are...
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Getting Fit Using a Tremendous Fitness Routine
The returning contestants all did a great job at apartment. Anna from Atlanta won her spot onto the ranch by losing 39 lbs at home during the 4 many months. Anna has a compelling story about losing her...
View ArticleHi.. i'm new to opencv and trying shape detection. I have faced the following...
My program, int main() { //cv::Mat src = cv::imread("polygon.png"); cv::Mat src; cv::Mat gray; cv::Mat bw; cv::Mat dst; std::vector approx; std::vector> contours; VideoCapture capture(0); int q;...
View ArticleThe Authority Tips guide to remodel a Basements
Finish basement has different proposes for different homeowners.Some individuals finish off the Basement just for adding value to their home.But for many properties owners, that isn't the only...
View ArticleTesseract finds letters where none are
Hello guys, I need your help :) I use tesseract for text recognize. Therefor I grab al lot of ROI´s in my Image. Of course some ROI´s are garbage or contain a symbol (see the pictures). But tesseract...
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