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 properly?
#import numpy as np
#import cv2
//cargamos la plantilla e inicializamos la webcam :
face_cascade = cv2.CascadeClassifier('haarcascade_frontalface_alt.xml')
cap = cv2.VideoCapture(0)
while (True) :
//leemos un frame y lo guardamos
ret, img = cap.read()
//convertimos la imagen a blanco y negro
gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
//buscamos las coordenadas de los rostros(si los hay) y
//guardamos su posicion
faces = face_cascade.detectMultiScale(gray, 1.3, 5)
//Dibujamos un rectangulo en las coordenadas de cada rostro
for (x, y, w, h) in faces :
cv2.rectangle(img, (x, y), (x + w, y + h), (125, 255, 0), 2)
//Mostramos la imagen
cv2.imshow('img', img)
//con la tecla 'q' salimos del programa
if cv2.waitKey(1) & 0xFF == ord('q') :
break
cap.release()
cv2 - destroyAllWindows()
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I have an error in #import numpy as np, why is that?
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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 it worse. It is not a quick fix that can solve your problems right away.
![free numerology]( "Free Numerology Analysis | History Of Numerology (c) numerologyask")
We have the Lord's commandments in Corinthians Let not the wife depart from her husband and let not the marriage husband put away his wife If the woman does depart she shall remain unmarried or be reconciled to her husband. In the New Testament remarriage is not allowed as long as a partner is living.
We are talking about the tow service that helps people in their ultimate hour of need. Guys who are on call 24/7 to make the responsive and professional rescue of a person and their automobile or driving vehicle.
In the example shown above, there certainly was no physical intimacy, but the wife in this case felt cheated on. In your home, pornography may not be the problem. It could be an unhealthy intimacy with a colleague at work. You must understand that emotional affairs begin this way and in many cases, graduate to physical intimacy.
Plenty of people do live quite well and thrive in the marital state. Although this is hardly ever stated, fifty percent of marriages remain intact! Did you get that? Fifty percent of people who marry stay married!
Kids need help with the concept of money too. Think of things from their point of view. When they want something - they ask you for money and you get it for them. As far as they see money doesn't come from work or investment - it comes from mum and dad. If you enjoyed this write-up and you would certainly like to get more info concerning simply click the next web pagekindly visit the web site. You need to talk to your children about the value of money. One of the best birthday presents you can give your child is some money and the freedom to spend it on whatever they want. make sure they understand that once it is spent they are not getting any more.
Few people can actually know their appreciation for these types of towing services until it actually has happened to them - where there safety is being compromised because of a faltering vehicle.
Lastly you can ask anything online with anonymity, things you might be too shy to ask someone you see offline. The anonymity frees you to get what you really want out of the advice, by asking the right questions.
We have the Lord's commandments in Corinthians Let not the wife depart from her husband and let not the marriage husband put away his wife If the woman does depart she shall remain unmarried or be reconciled to her husband. In the New Testament remarriage is not allowed as long as a partner is living.We are talking about the tow service that helps people in their ultimate hour of need. Guys who are on call 24/7 to make the responsive and professional rescue of a person and their automobile or driving vehicle.
In the example shown above, there certainly was no physical intimacy, but the wife in this case felt cheated on. In your home, pornography may not be the problem. It could be an unhealthy intimacy with a colleague at work. You must understand that emotional affairs begin this way and in many cases, graduate to physical intimacy.
Plenty of people do live quite well and thrive in the marital state. Although this is hardly ever stated, fifty percent of marriages remain intact! Did you get that? Fifty percent of people who marry stay married!
Kids need help with the concept of money too. Think of things from their point of view. When they want something - they ask you for money and you get it for them. As far as they see money doesn't come from work or investment - it comes from mum and dad. If you enjoyed this write-up and you would certainly like to get more info concerning simply click the next web pagekindly visit the web site. You need to talk to your children about the value of money. One of the best birthday presents you can give your child is some money and the freedom to spend it on whatever they want. make sure they understand that once it is spent they are not getting any more.
Few people can actually know their appreciation for these types of towing services until it actually has happened to them - where there safety is being compromised because of a faltering vehicle.
Lastly you can ask anything online with anonymity, things you might be too shy to ask someone you see offline. The anonymity frees you to get what you really want out of the advice, by asking the right questions.
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How 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
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How 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_ = cv::Mat::zeros(cv::Size(1,49), CV_64FC1);
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Orientation 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 same orientations although the contours is rotated around 90 degrees.
Here is my code:
Moments moments_dxf;
Moments moments_img;
moments_dxf = moments( mcontours_dxf[ alargest_contour_index_dxf ], true );
double theta_dxf_outer = 0.5 * atan( ( 2 * moments_dxf_outer.mu11 ) / ( moments_dxf_outer.mu20 - moments_dxf_outer.mu02 ) );
moments_img = moments( mcontours_image[ alargest_contour_index_img ], true );
double theta_img_outer = 0.5 * atan( ( 2 * moments_img_outer.mu11 ) / ( moments_img_outer.mu20 - moments_img_outer.mu02 ) );
has anyone an idea?
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java.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);
Point lowerLineStartPoint = new Point(startPoint.x, startPoint.y);
Point lowerLineEndPoint = new Point(endPoint.x, endPoint.y);
Point upperLineEndPoint = new Point(endPoint.x, endPoint.y - MARGIN);
pointsForTrapezoid.add(upperLineStartPoint);
pointsForTrapezoid.add(new Point(0, frame.rows()));
pointsForTrapezoid.add(new Point(frame.cols(), frame.rows()));
pointsForTrapezoid.add(upperLineEndPoint);
// ROI by creating mask for the trapezoid
Mat mask = new Mat(frame.rows(), frame.cols(), CvType.CV_8UC1, new Scalar(0));
// Make the necessary conversions to that we don't get an error
MatOfPoint2f tmpTrapeziod = new MatOfPoint2f();
MatOfPoint2f tmpROI = new MatOfPoint2f();
tmpTrapeziod.fromList(pointsForTrapezoid);
tmpROI.fromList(roiPolygonized);
// Create Polygon from vertices
Imgproc.approxPolyDP(tmpTrapeziod, tmpROI, 1.0, true);
// Fill polygon white
Imgproc.fillConvexPoly(mask, new MatOfPoint(tmpROI), new Scalar(255), 8, 0);
// Create new image for result storage, populate it with zeros to avoid
// memory leftovers
Mat maskedImage = Mat.zeros(frame.rows(), frame.cols(), CvType.CV_8UC3);
frame.copyTo(maskedImage, mask);
return maskedImage;
}
which is responsible for creating a trapezoid from the points passed, and creating a mask out of it, and applying the mask.
I get the following error at the line where `fillConvexPoly()` is:
Exception in thread "main" java.lang.IllegalArgumentException: Incompatible Mat
at org.opencv.core.MatOfPoint.(MatOfPoint.java:29)
I am clueless about why I am getting this error, is there a problem with the initialization or ?
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return 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 twisted. How can this be?
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OpenCV 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 Android version 6 the App does not start and i receive the following
error
W/System.err: at org.opencv.android.OpenCVLoader.initDebug(OpenCVLoader.java:66)
W/System.err: at org.opencv.android.OpenCVLoader.initDebug(OpenCVLoader.java:66)
W/ContextImpl: Implicit intents with startService are not safe: Intent { act=org.opencv.engine.BIND } android.content.ContextWrapper.bindService:604 org.opencv.android.AsyncServiceHelper.initOpenCV:24 org.opencv.android.OpenCVLoader.initAsync:89
E/OpenCVLoader/BaseLoaderCallback: OpenCV loading failed!
please let me know what should i do to load opencv correctly on Huawei?
thank you
**code**:
public class FragOpenCVCam extends Fragment implements CameraBridgeViewBase.CvCameraViewListener2, View.OnTouchListener {
private BaseLoaderCallback mLoaderCallback = new BaseLoaderCallback(getActivity()) {
@Override
public void onManagerConnected(int status) {
switch (status) {
case LoaderCallbackInterface.SUCCESS: {
Log.i(TAG, "OpenCV loaded successfully");
mOpenCvCameraView.enableView();
}
break;
default: {
super.onManagerConnected(status);
}
break;
}
}
};
}
...
...
...
@Override
public void onResume() {
super.onResume();
Log.w(TAG, "onResume");
if (!OpenCVLoader.initDebug()) {
Log.d(TAG, "Internal OpenCV library not found. Using OpenCV Manager for initialization");
OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_11, getActivity(), mLoaderCallback);
} else {
Log.d(TAG, "OpenCV library found inside package. Using it!");
mLoaderCallback.onManagerConnected(LoaderCallbackInterface.SUCCESS);
}
}
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Bad 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 tutorial-Code I'm getting strange undistorted Pictures, which shows that the calibration is bad (example below).
I have feed about 70 pictures in the algorithm (different positions etc.) trying to get trainingpoints as far as possible to the picture edges.
I have tried for days to get an expectable calibration, but I'm only able to minimize the hole-effects on the sides.
Any Help would be appreciated.
If they are need I will provide the calibration-pictures.
regards
Moglei
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3dplot 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 plot the graph similar to the surf function in Matlab.
**Is there any library for surface plot in opencv ?**
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not 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 open video camera window..
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Custom 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 to use C++ in order to extract the support vectors from my XML file because Java's bindings don't support that. When I load my XML file into my C++ program and try to detect an airplane, I am not getting any found locations of features. To make it ridiculously simple, I trained the SVM on about 15 negative images and 5 positive ones, then tried detecting features on one of the images I trained it with, and still am not getting any rectangles drawn on my screen because there are no features getting detected. If anyone can help with this, I'd appreciate it. The code below is the Java code I used to train the SVM, and the C++ code I am using to detect features for a given input image.
Training...
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import org.opencv.core.Core;
import org.opencv.core.Mat;
import org.opencv.core.MatOfFloat;
import org.opencv.core.Scalar;
import org.opencv.core.Size;
import org.opencv.highgui.Highgui;
import org.opencv.objdetect.HOGDescriptor;
import org.opencv.ml.CvSVM;
import org.opencv.ml.CvSVMParams;
public class Detector {
public static void main(String[] args) {
System.loadLibrary( Core.NATIVE_LIBRARY_NAME );
// the locations of the training data
File[] trainingSetA = new File ("C:/Users/danekstein/Desktop/positiveSample/").listFiles();
File[] negative = new File ("C:/Users/danekstein/Desktop/negativeSample/").listFiles();
List trainingSets = new ArrayList();
trainingSets.add(trainingSetA);
trainingSets.add(negative);
// the amount of examples in each set
int posACount = trainingSetA.length;
int negCount = negative.length;
// our labels are all initialized to being -1, Negative
Mat aLabels = new Mat(posACount + negCount, 1, 5, new Scalar(-1));
// we overwrite the positive portion of the matrix with 1, Positive
aLabels.rowRange(0,posACount).setTo(new Scalar(1));
//creating arrays for our feature vectors
Mat[] featuresA = new Mat[posACount];
Mat[] featuresN = new Mat[negCount];
for(File[] set : trainingSets){
int count = 0;
for(File image : set){
// read in the image as a matrix
Mat img = Highgui.imread(image.getAbsolutePath(), 0);
// create a new descriptor
HOGDescriptor descriptor = new HOGDescriptor(new Size(256,128),new Size(128,64), new Size(1,1), new Size(8,8), 9);
// initialize a vector in which the features will be placed
MatOfFloat descriptors = new MatOfFloat();
// compute the feature vector and store it in 'descriptors'
descriptor.compute(img, descriptors);
if(set.equals(trainingSetA)) featuresA[count] = descriptors.t();
if(set.equals(negative)) featuresN[count] = descriptors.t();
count++;
System.out.println(count);
}
}
System.out.println("Adding features to training matrix...");
Mat trainingMatA = new Mat(posACount + negCount, featuresA[0].cols(), featuresA[0].type());
for(int i=0;i
#include
#include "opencv2/imgcodecs.hpp"
#include
#include
#include
#include
#include
#include
#include
#include
using namespace cv;
using namespace cv::ml;
using namespace std;
void getSvmDetector(Ptr& svm, vector < float >& detector);
void draw_locations(Mat & img, const vector < Rect >& locations, const Scalar & color);
int main(int, char**)
{
Scalar bound(0, 255, 0);
Mat img, draw;
Ptr svm;
HOGDescriptor hog = HOGDescriptor::HOGDescriptor();
hog.winSize = Size(256, 128);
hog.blockSize = Size(128, 64);
hog.blockStride = Size(1, 1);
hog.cellSize = Size(8, 8);
hog.nbins = 9;
// locations where a plane is detected
vector< Rect > locations;
// loading the trained svm
svm = StatModel::load("C:/Users/danekstein/Desktop/svmFullAutoA.xml");
// set the trained svm to the hog
vector< float > hog_detector;
getSvmDetector(svm, hog_detector);
// compare detector and descriptor sizes
cout << hog_detector.size() << '\n' << hog.getDescriptorSize() << '\n' << hog.checkDetectorSize();
// set the detector
hog.setSVMDetector(hog_detector);
Mat image = imread("C:/Users/danekstein/Desktop/tt.jpg");
locations.clear();
hog.detectMultiScale(image, locations);
// print out the locations of the detected features
for (vector::const_iterator i = locations.begin(); i != locations.end(); ++i) {
Rect r = *i;
Size s = r.size();
int width = s.width;
int height = s.height;
cout << width << ' ' << height << endl;
}
draw = image.clone();
draw_locations(draw, locations, bound);
imshow("Image", draw);
waitKey(0);
destroyAllWindows();
}
void getSvmDetector(Ptr& svm, vector< float>& detector) {
// grab the support vectors... yay!
Mat sv = svm->getSupportVectors();
const int sv_total = sv.rows;
// get the decision function
Mat alpha, svidx;
double rho = svm->getDecisionFunction(0, alpha, svidx);
CV_Assert(alpha.total() == 1 && svidx.total() == 1 && sv_total == 1);
CV_Assert((alpha.type() == CV_64F && alpha.at(0) == 1.) ||
(alpha.type() == CV_32F && alpha.at(0) == 1.f));
CV_Assert(sv.type() == CV_32F);
detector.clear();
detector.resize(sv.cols + 1);
memcpy(&detector[0], sv.ptr(), sv.cols * sizeof(detector[0]));
detector[sv.cols] = (float)-rho;
}
void draw_locations(Mat & img, const vector < Rect >& locations, const Scalar & color) {
if (!locations.empty()) {
vector< Rect >::const_iterator loc = locations.begin();
vector< Rect >::const_iterator end = locations.end();
for (; loc != end; ++loc) {
rectangle(img, *loc, color, 2);
}
}
}
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Need 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.
The rectangle affects later stages of the image processing by detecting false contours. It should be detecting contours on the mole boundary not the rectangle.
How can I solve this problem? Please help.
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Node 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
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Camera 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 get rvecs and tvecs, and using cv2.projectPoints() I'm able to get estimate of the vertices of the box on the image plane. Using these information, how can I translate the coordinates of the vertices of the box to camera coordinates?
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Gift Cards - Does The Perfect Gift Require Perfecting?
Symbol Askew says, "Men and women after believed that with a gift card you couldn't get it wrong seeking to you should. And this looked logical back then. As a result as free gift cards gained popularity several vendors jumped on the bandwagon. But right up until fairly recently gift card weren't all these people were considered to be."
Very true. For instance, what if you give a gift card from a sporting goods store to someone who's not into sports? Or even a gift to buy a expensive jewelry retailer to someone who lifestyles also great a range from your shop to even make an effort to purchase there.
But has the gift card transformed everything significantly during the last 3 or maybe more years? Maybe. Prepaid gift cards from MasterCard and VISA offer you a method to work with a gift card everywhere charge cards are accepted. If the original is lost or stolen, Prepaid debit card issuers and 60 percent of store gift card issuers offer the potential to obtain a replacement card with the remaining balance. But acquiring a replacement might need the investment invoice and also the greeting card amount. Some firms could agree to other evidence of acquire. The gift card beneficiary will have to have all these paperwork to get a alternative. No surprise a substantial portion of gift cards have gone unredeemed. Having said that, when purchasing a gift card, seem very carefully at the pre-acquire disclosures of conditions and terms on the net site as well as the wrapping in the shop. If terms will not be offered or seem way too cryptic to become total don't purchase.
So, when a recipient receives a store issued gift card from a store they don't like obviously the card just sits in a dresser drawer until it's long past the expiration date? Are vendors pocketing the money as the gift card purchasers just discard cash? Once the case that was. But brands like Sears announced it really is getting rid of expiry days from all of gift cards released beginning Dec 17, 2003. Other card issuers have already been swiftly pursuing suit.
As well as much less expiration time problems nowadays there are a few companies focused on redeeming main retail industry gift cards for people of undesirable, unredeemed gift cards. A single website, thegiftassistant.com, provides gift card purchasing, redemption programs and also gift card exchanges. A number of these businesses offer you professional services for such cards issuers as Greatest Buy Outback and Starbucks SteakHouse. Still with all the current the latest adjustments in favour of the receiver shedding the impersonal business preconception linked to gift cards has been a problem.
Some gift card sites have gone to great measures to conquer this barrier. Now you can upload your personal photos and add your very own textual content to make a customized cards. Imprinted written text affords the cards that engraved look, an extremely private feel.
Still because of the work to personalize a gift card they still seem to need assistance to face outside in the competition of greeting cards and gift totes. All things considered a gift card is 4x smaller sized that a simple greeting cards and weighs just one or two ounces. Performs this mean that gift ideas card don't have what it takes to stand out amongst sizeable presents? Some issuers make up for this by upping the monetary price of gifts cards. Some greeting cards principles much outnumber any big ruling boxed present. From $200 to $300 or even more. With the introduction of pre-paid credit gift cards fromVISA and MasterCard, Us Express and DiscoverCard people can give a gift card priced at $500 to up to $3000 $ $ $ $ based on the company. Perhaps huge points do are available in little bundles.
Significant gift card ideas:
Retain a duplicate of all purchase invoices and the greeting card phone numbers. Email initial receipts to receiver of the email. Documents which includes instructions and card use should also be delivered to the client as some charge cards do not have expiry schedules imprinted around the greeting card on its own.
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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 3-year old son to cancers. She is full of personality and determination as she is thrown into her first tough assignment, dividing the teams. She gave up her own week's immunity to go on the black team trained by Jillian who quickly tells her to using the "deep issues tend to be holding you back".Whether shifting to join a gym or perhaps walk and jog or bike, whatever you decide, accomplish this at least 4 times a week for nearly 30 hours. Also, you want sustain an intensity that gets your heart rate up in the weight loss zone.
Getting a gym membership is a first gait. However, "80% of success is just turning up", as least according to Woody Allen. He wasn't speaking of going into the gym, of course, having said that still is geared. There's no point in wasting money you actually aren't to be able to go. So, you requirement to consistently attend and work with your gym membership if you need to lose your ugly belly fat fast!
Strength training is a crucial part of weight loss. Building up your lean muscle will assist your and also burn more calories as soon as your body has reached rest. Doing strength training will help burn calories and also help define your system. Make sure to incorporate some body building exercise and/or muscle targeting exercises if you eagerly want to add some muscle.
Not only is it available everywhere, it is often a great deal cheaper than the healthy fruit and veg. So I can understand the temptation for it, due to the fact have tasted, and it tastes superior. Another reason that it is easily consumed, is that you have enough to wait about 2 minutes collect your arrangement.
The thing about weight loss is that running without shoes shouldn't actually be that intricate. Don't get me wrong, always be slightly more difficult for some that is others as well as it certainly harder to do away excess weight than have to be eliminated it to off. However, again, it isn't that difficult, exactly why all the exaggerated fuss and bother and trials. The answer is because it takes so much junk reading available to us that should be taking over everything the natural and a good diet. There is a Burger King, KFC, McDonalds as well as a numerous fish and chip shops available at each street side.
To cut a long story short, you need do only one thing - excessive reps. Choose from a daily or weekly quote of just three multi-muscle group exercises and perform repetitions in sets of 50s. If you progress, many increase this to one hundred rep set. Sounds difficult right? Here's how prospects easier.
Many concern become vegetarians for health reasons. One of many main health reasons would lose strength. But not all vegetarians shed pounds. Some vegetarians actually lbs. I have two friends who where vegetarians. We would wonder why these people so big spartagen xt youtube (https://www.youtube.com/watch?v=AJSW3yJz5HM) if they did not eat meat, fish or poultry. I have since learned that even though as a protein, meat has essentially the most fat, lots other ways we put on pounds. Excess fat from is only 1 way we gain unwanted fat. We want to avoid these pitfalls to drop some weight.
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Hi.. i'm new to opencv and trying shape detection. I have faced the following error "Unhandled exception (opencv_imgproc243d.dll) in ShapeDetection.exe " Can anyone knows how to solve this???
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;
while (cvWaitKey(30) != 'q')
{
capture >> src;
if (true)
{
// Convert to grayscale
cv::cvtColor(src, gray, CV_BGR2GRAY);
// Use Canny instead of threshold to catch squares with gradient shading
blur(gray, bw, Size(3, 3));
cv::Canny(gray, bw, 80, 240, 3);
cv::imshow("bw", bw);
//cv::bitwise_not(bw, bw);
// Find contours
cv::findContours(bw.clone(), contours, CV_RETR_EXTERNAL, CV_CHAIN_APPROX_SIMPLE);
src.copyTo(dst);
for (int i = 0; i < contours.size(); i++)
{
// Approximate contour with accuracy proportional
// to the contour perimeter
cv::approxPolyDP(cv::Mat(contours[i]), approx, cv::arcLength(cv::Mat(contours[i]), true)*0.02, true);
// Skip small or non-convex objects
if (std::fabs(cv::contourArea(contours[i])) < 100 || !cv::isContourConvex(approx))
continue;
..................
Facing the problem in the for loop when i=1 and breaks at point cv::approxPolyDP().
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The 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 reason.
You might need extra liveable space, a play zone for the kids, office space and many more reasons to finish your basement, and there are a huge selection of possibilities for an operating space not to leave it as unfinished.
Finishing a Basement can often be costly Because the Basement is a little different than the other rooms in the house, and the good Woodenhouse And The Basement Finishing Guide reason is the construction, humidity and possibility of building molds, temperature control, and many other reasons.
Basement renovation can be a little challenging particularly if you have got no experience in this field.
Most homeowners hire a contractor to perform the project to them and leave the stress at the rear of, and on the other hands, some would rather do it themselves.
If you're the one which will decide to run the project on your own, definitely you should begin looking for tips and advice then.
Looking the internet is one of them, the other can be listening to with the similar experience.
You need to assemble as many materials as possible. Tips, Ideas, and viewing some other examples.
However, you need to be careful and not listen to every advice.
If you have any queries with regards to the place and how to use Woodenhouse and the basement finishing guide, you can contact us at our own web site. My suggestion is only to hear professionals (Contractors) and the ones with similar experience, Sometimes people who have failed might have useful suggestions.
You will need to stick to your plan and follow the building code of your local area always.
Unless you know much about the code, then you might be in a position to hire at least a designer or a service provider simply for the beginning.
Inspecting the job is another key point, personally, easily do a basement finishing, I won't feel safe until I finish the inspection.
You are able to contact your local municipality and ask for an inspection, and they will charge you a little amount and that way you at least make sure that every step is performed properly and accordingly.
another plain thing before starting a such project is to check on if you want any allows.
If you are residing in Toronto or the GTA, then you Basement finishing tips will need to use for a permit before starting the job.
Some individuals finish off the Basement just for adding value to their home.
But for many properties owners, that isn't the only reason.
You might need extra liveable space, a play zone for the kids, office space and many more reasons to finish your basement, and there are a huge selection of possibilities for an operating space not to leave it as unfinished.
Finishing a Basement can often be costly Because the Basement is a little different than the other rooms in the house, and the good Woodenhouse And The Basement Finishing Guide reason is the construction, humidity and possibility of building molds, temperature control, and many other reasons.
Basement renovation can be a little challenging particularly if you have got no experience in this field.
Most homeowners hire a contractor to perform the project to them and leave the stress at the rear of, and on the other hands, some would rather do it themselves.
If you're the one which will decide to run the project on your own, definitely you should begin looking for tips and advice then.
Looking the internet is one of them, the other can be listening to with the similar experience.
You need to assemble as many materials as possible. Tips, Ideas, and viewing some other examples.
However, you need to be careful and not listen to every advice.
If you have any queries with regards to the place and how to use Woodenhouse and the basement finishing guide, you can contact us at our own web site. My suggestion is only to hear professionals (Contractors) and the ones with similar experience, Sometimes people who have failed might have useful suggestions.
You will need to stick to your plan and follow the building code of your local area always.
Unless you know much about the code, then you might be in a position to hire at least a designer or a service provider simply for the beginning.
Inspecting the job is another key point, personally, easily do a basement finishing, I won't feel safe until I finish the inspection.
You are able to contact your local municipality and ask for an inspection, and they will charge you a little amount and that way you at least make sure that every step is performed properly and accordingly.
another plain thing before starting a such project is to check on if you want any allows.
If you are residing in Toronto or the GTA, then you Basement finishing tips will need to use for a permit before starting the job.
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Tesseract 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 also find text here like "“v" or a single letter -_-.
Symbol
https://picload.org/image/rdwaaiop/symbol.png
Garbage
https://picload.org/image/rdwaailg/garbage.png
**initilize tesseract OCR engine**
tesseract::TessBaseAPI *myOCR = new tesseract::TessBaseAPI();
myOCR->Init(NULL, "eng");
tesseract::PageSegMode pagesegmode = static_cast(7);
myOCR->SetPageSegMode(pagesegmode);
How can I prevent this?
Thanks.
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