I created imageHolder class: public class ImageHolder : Image { private String imagePath; public ImageHolder(String path):base(path) { this.imagePath = path; } public String imgPathProperty...

.NET

OpenCV

Emgu-CV

'Emgu.CV.CvInvoke' threw an exception.

21 Sep 2012 by Mich_90

In .../windows/system32 I pasted cudart32_42_9.dll file.It's helped me to fix me problem

.NET

OpenCV

Emgu-CV

3D image comparison processing

2 Feb 2012 by nguyenle.it

Hello everybody!I'm have a problem with 3D image comparison, my lecturer asked us to make a application that compare 2 3D images. But I don't know where to start. Could anybody let me know what step to research the processing, and give some information about what books should i...

C++

OpenCV

3D image comparison processing

2 Feb 2012 by Rajesh Anuhya

Go through the Discussions , This may helps youhttp://www.codeguru.com/forum/showthread.php?t=469100[^]http://www.edaboard.com/thread24812.html[^]http://www.programmersheaven.com/mb/CandCPP/242376/242376/compare-images/[^]Thanks--RA

C++

OpenCV

971001 - how to dewarp a fisheye image?

22 Dec 2018 by ilostmyid2

Using cameras like Bosch 5000 Panorama gives a fisheye image that we've to dewarp it. Some dewarping methods are suggested, but what I prefer is rectangular, that's giving a center which is a point on the image, an inner radius and an outer one will map the pixels inside the boundary to a...

OpenCV

Panorama

971001 - how to dewarp a fisheye image?

22 Dec 2018 by OriginalGriff

See here: c# - Circular Fisheye Image dewarp to flat image - Stack Overflow[^] - you aren't going to find code which exactly does what you want, so you are going to have to use the transformation formulae given there and work out exactly what you need yourself.

OpenCV

Panorama

971001 - how to dewarp a fisheye image?

22 Dec 2018 by RickZeeland

It probably can be done with the Bosch Video SDK, but this is not for the faint hearted, see search results here: Search[^]

OpenCV

Panorama

A .NET Approach to EmguCV

25 Feb 2015 by saad_lah

Complete guide for beginner to setup EmguCV project and run first program in Visual Studio

A Closer Look at Object Detection, Recognition and Tracking

25 Jan 2018 by Intel

Below we seek guidance from the dictionary to appropriately define and discern the terms object detection, object recognition and object tracking.

IoT

OpenCV

A Codecless Monochrome AVI Reader

14 May 2006 by Frederic Ntawiniga

The way of reading AVI files without installing codec drivers.

A Coder Interview With Michael Hopke

25 Apr 2012 by CodeProject, Michael Hopke

Welcome to our continuing series of Code Project interviews in which we talk to developers about their backgrounds, projects, interests and pet peeves. In this installment we talk to Michael Hopke, who helped launch a game and a game development company while still in college.

All-Topics

OpenCV

A Fast, Simple and Powerful Contrast Enhancement Algorithm for Image Analysis

28 Aug 2017 by Ravimal Bandara

A new contrast enhancement algorithm which is fast, simple and powerful by means of boosting and illumination normalization. It was invented accidentally but the performed well in 2 different applications i.e. superficial vein enhancement and blood vessel enhancement in retinal fundus images.

C++

All-Topics

OpenCV

A Strange behaviour of these threads...why happened this?

17 Jun 2013 by Domus1919

Hi all,I have create this program to manage multiple threads multiple queues, for elaborate a series of images. Every thread pop an image from a queue, works on it, and push it in output queue.Thanks to different advices received here from other users, I have create this code, but the...

A Strange behaviour of these threads...why happened this?

11 Jun 2013 by CPallini

Quote:for(int i=0;i

Abort trap:6 problem with findchessboard

23 Mar 2019 by Member 14192637

I'm new on this forum. I'd like to ask you a question that has been annoying me all this day. the problem is that i don't find anything on internet about it. At the university we have to do this: Write a program that: -Loads the checkerboard images. ( these imagines are in a folder provided by...

C++11

OpenCV

Abort trap:6 problem with findchessboard

22 Mar 2019 by Rick York

The problem is in the for loops. You stated there are fifteen images. Since array indexes start with zero, the fifteenth image will be index fourteen but your for loop goes out to fifteen. A better way to do this would be to define a constant : const int ImageCount = 15; // and write...

C++11

OpenCV

Abort trap:6 problem with findchessboard

22 Mar 2019 by Member 14192637

Hi. First of all, thank you for answering. I followed your valuable advice(with a little modification, but that's the point), but the problem doesn't change. here the piece of the code correct: for(int i = 0 ; i

C++11

OpenCV

accessviolationexception was unhandled

9 Mar 2012 by nagyervin89

Hi Everyone!I'm working on a project, in VS2010, c# opencvsharp.(I am new in OpencvSharp)I wanna detect object's lines on a image(in this case rectangle), I use the HoughLinetransform, but when I try to acquire the lines I get the following error:"Attempted to read or write protected...

OpenCV

accessviolationexception was unhandled

10 Mar 2012 by Ganesan Senthilvel

It was a Vista Issue, what happens was that my App opens a web page that runs a java applet that opens a external IE webpage that runs a ActiveX app/script. When the ActiveX script tryes to update back in to the memory of the C# app the DEP "Data Execution Prevention" in Vista flags this...

OpenCV

Adaptive Skin Color Detection

18 Aug 2014 by pi19404

In this article we will look at Adaptive Skin Color Detection technique described in the paper "An Adaptive Real-time Skin Detector Based on Hue Thresholding"

add the camera to a window using c++

24 Sep 2012 by Kumar 09

Hello,I am trying to show a webcam on the window using c++.For that i created a window with createwindowex() function and to this window i need to add the camera. Using opencv i tried access the camera but it is not displaying the window also. i tried in many ways but not...

C++

OpenCV

add the camera to a window using c++

25 Sep 2012 by manoranjan

If you want to capture video (from your webcam) using OpenCV, check out the following sample at OpenCV wiki: http://opencv.willowgarage.com/wiki/CameraCapture[^]If you want to use Win SDK, use either Video for Windows (WfW) or DirectShow. WfW provides capCreateCaptureWindow() API to...

C++

OpenCV

add the camera to a window using c++

25 Sep 2012 by Shambhoo kumar

go this linkhttp://msdn.microsoft.com/en-us/library/windows/apps/xaml/hh465134.aspx[^]good luckRegardSham:)

C++

OpenCV

Adding a border around region of interest using Python

27 Dec 2022 by Atharav Jadhav

I have a code which takes images from a folder, crops the region of interest around it using the ROI function, and then removes the background using the rembg library. But I want a border around that image, around that specific object itself,...

Python

OpenCV

Adding Object Detection with TensorFlow to a Robotics Project

28 Apr 2019 by Phil Hopley

In this article, we will add AI to an existing ROS (Robot Operating System) House Bot.

Advantages and Disatdvantages of Open CV ?

21 Mar 2012 by PixelIndia

Hello Everyone ,What are the advantages and disadvantages of Using Open CV??Are we going to face trouble while integrating in our client machine (automation) in release ???

OpenCV

Affine transformation for entire image using image points ?

3 Dec 2016 by violence666

hello,I have 2 sets of image points (x,y) from 2 images (ImgX, ImgY)I would like to use these image points and find the affine transformation between the two images.The getAffineTransform() function of openCV gives me a matrix of individual image points rather than a final matrix...

C++

image-processing

OpenCV

Affine transformation for entire image using image points ?

3 Dec 2016 by Arthur V. Ratz

Here's how: http://docs.opencv.org/2.4/doc/tutorials/imgproc/imgtrans/warp_affine/warp_affine.html

C++

image-processing

OpenCV

Age Estimation With Deep Learning: Getting Started

17 Jul 2020 by Sergey L. Gladkiy

In this article, we'll begin the process of how to use a deep neural network to estimate a person's age from an image.

Python

artificial-intelligence

deep-learning

Keras

OpenCV

Age Estimation With Deep Learning: Training CNN

23 Jul 2020 by Sergey L. Gladkiy

In this article we train the CNN for age estimation.

Python

artificial-intelligence

neural-network

deep-learning

OpenCV

Age Estimation With Deep Learning: Using CNN to Predict Age

24 Jul 2020 by Sergey L. Gladkiy

In this article we will explain how to use the pre-trained CNN for estimating a person’s age from an image.

Python

artificial-intelligence

neural-network

deep-learning

OpenCV

AI Queue Length Detection: Object Detection in Images Using YOLO

29 Oct 2020 by MehreenTahir

In this article we will compare training our models from scratch with more advanced and pre-trained approaches like YOLO.

Python

artificial-intelligence

Keras

OpenCV

AI Queue Length Detection: Object Detection in Video Using YOLO

30 Oct 2020 by MehreenTahir

In this we’ll see if we can implement YOLO on video feeds for queue length detection.

Python

artificial-intelligence

Keras

OpenCV

AI Social Distancing Detector: Calculating the Center Point of Detected People

9 Dec 2020 by Dawid Borycki

In this article, we'll calculate the center of each detected bounding box, which will serve as a base for calculating distance.

Python

artificial-intelligence

deep-learning

OpenCV

AI Social Distancing Detector: Detecting People in a Video Sequence

8 Dec 2020 by Dawid Borycki

In this article we will perform object detection on the frames from the test data sets including video sequence stored in the video file.

Python

artificial-intelligence

deep-learning

OpenCV

AI Social Distancing Detector: Finding People That Are Too Close

10 Dec 2020 by Dawid Borycki

In this article, we will use those centers to estimate distances between people and indicate people that are too close.

Python

artificial-intelligence

deep-learning

OpenCV

AI Social Distancing Detector: Improving People Detection With Yolo Object Detection

11 Dec 2020 by Dawid Borycki

In this last article of the series, we improve our Python console application for AI-powered social distancing detection.

Python

artificial-intelligence

deep-learning

OpenCV

AI Social Distancing Detector: Object Detection in Video Frames

7 Dec 2020 by Dawid Borycki

In this article, we continue learning how to use AI to build a social distancing detector.

Python

artificial-intelligence

deep-learning

OpenCV

AI Social Distancing Detector: Object Detection With TensorFlow and MobileNet

4 Dec 2020 by Dawid Borycki

In this article, we will use drawing functions to depict detected objects.

Python

artificial-intelligence

deep-learning

OpenCV

AI Social Distancing Detector: Using OpenCV to Annotate Detected Objects

3 Dec 2020 by Dawid Borycki

In this article, we will learn how to add annotations to images.

Python

artificial-intelligence

deep-learning

OpenCV

AI Social Distancing Detector: Working With Images in OpenCV

2 Dec 2020 by Dawid Borycki

In this article series, we'll look at how to use AI and deep learning on video frames to ensure people are maintaining adequate social distancing in crowds.

Python

artificial-intelligence

deep-learning

OpenCV

Akinator Vision

24 Dec 2021 by Edward Sulistijono

Face Recognition with Python Programming Language using Haarcascade

Python

OpenCV

algorithm for thinning

29 May 2012 by arthur.rafa10

hianyone could give me an example of an algorithm for thinning (skeletonization) using OpenCV in C # / C + + or without OpenCV.?need an algorithm that leave a letter or word with only one pixel wide.Please can someone help me?Thank you!

C++

OpenCV

algorithm for thinning

29 May 2012 by MuhtarQong

Please try this:This is a morphological image processing. As an example of algorithm:Iteratively delete (or erode) pixels inside the object (letter) to shrink it without shortening it or breaking it apart. Note that this is an iterative process. In general, you may stop the iteration after...

C++

OpenCV

algorithm for thinning

29 May 2012 by nv3

Beware, thinning is not equal to erosion! You find a good article about thinning here: Thinning Algorithm[^]

C++

OpenCV

algorithm for thinning

29 May 2012 by jk chan

you can use distance transform(with chessborad distance metric,seems good.) first, then find the minimum distance points on the image which is will be the skeleton that you want. :)see also this : http://homepages.inf.ed.ac.uk/rbf/HIPR2/distance.htm[^]jkchanhttp://cgmath.blogspot.com

C++

OpenCV

algorithm for thinning

29 May 2012 by amitkarnik2211

Here is an overview See weather this help[^]This will give an overview

C++

OpenCV

An Easy Video-processing Framework by Grabbing Frames as Bitmaps Using DirectShow

5 Mar 2008 by Mingliang Zhu

An article showing how to easily but effectively extract all frames from a video as bitmaps

An Implementation Of The Connected Component Labelling Algorithm

1 Oct 2014 by Torben Trindkaer Nielsen

This article presents the recursive connected component labelling algorithm with a workaround for the stack limitation. All in less than 70 lines of C/C++ code.

C++

OpenCV

An introduction to OpenCV (Part II): Implementing mouse events, manipulating images, and creating video clips

11 Feb 2013 by Markus Koppensteiner

Shows how to use OpenCV to write videos, how to implement mouse events, and presents some commands on image manipulation as well.

An Introduction to OpenCV: Displaying and Manipulating Video and Motion Data

1 May 2012 by Markus Koppensteiner

Explains how to use some OpenCV commands for video manipulation.

Analog Gauge Reader

15 Dec 2017 by Intel

This sample application takes an image or video frame of an analog gauge and reads the value using functions from the OpenCV* computer vision library.

IoT

OpenCV

Android Touch Gestures Capturing Interface

2 Sep 2014 by pi19404

In this article, we will look at unistrore gesture recognition for Android devices

AndroidVision: Learn Image Processing on your mobile

20 Jan 2014 by Serge Desmedt

Experiment with OpenCV imageprocessing methods on your mobile phone

Annotations do not show for some reason

30 Sep 2021 by Junwoo Kim

I am trying to show my annotations and show the video frame by frame. However, I get the frame by frame but not the annotation. Here is my code: import cv2 import mediapipe as mp import video_tools as vt # Video prep file_name = 'OpenTurn'...

Python3.6

OpenCV

any body know what is my problem(motion Tracking).....plz help me

28 Oct 2014 by Member 11068482

after 4 week i find my problem and i should setup my camera driver and update it for my laptop but when i debug my code it say successful but Many Camera View windows open and after that when i use 'T' for tracking it have troubleshoot occur any body know what is the problem??!!!!i debug it...

any body know what is my problem(motion Tracking).....plz help me

14 Sep 2014 by George Jonsson

You should go to the OpenCV official site for support. Welcome to opencv documentation![^]Here is an example from that site that looks like it shows what you want to do.Cascade Classifier[^]Quote:Use the CascadeClassifier class to detect objects in a video stream. Particularly, we will...

Any idea how to calculate the real size of object from 3D

10 Mar 2013 by Mich_90

I build 3D image from two 2D images with help of EMGU wrapper.In reconstructed image I have some object andI have a dimensions in pixels(from two 2D images) of the object and focal length of the camera.I need to get the real size of the object.Any idea how to implement it?

Any idea how to get background color of the urban poster or broadsheet?

25 Sep 2012 by Mich_90

In my project Im using EMGU librery.I need to determine the background color of the urban poster or broadsheet.As I see the background color of the poster or broadsheet is the predominant color.My question if Emgu has any function that returns(in certain existing models BGR,HSL...)...

Any idea how to get background color of the urban poster or broadsheet?

25 Sep 2012 by Sergey Alexandrovich Kryukov

I have no idea what can you find in this library, but I can note that just the definition of "predominant color" will appear way more difficult than you probably think. Well, you can calculate the color histograms, find some modes (or not; http://en.wikipedia.org/wiki/Mode_%28statistics%29[^]);...

Applying Long Short-Term Memory for Video Classification Issues

30 Apr 2019 by Apriorit Inc, Semyon Boyko

The approach that allows you to make a neural network analyze the current frame while remembering the state of previous frames

artificial-intelligence

AppRunner – Simple ‘desktop shortcut’ replacement

8 Feb 2015 by tkontos

A WTL based, XML driven shortcut replacement

AR Jewellery Develops a New Shopping Paradigm for Tablets

2 Sep 2014 by Member 11030029

Developer Serhiy Posokhin and his wife Antonina Posokhina, a designer by trade, recognized the potential of this technology in the world of jewelry and pursued its potential through the Intel® App Innovation Contest 2013 (AIC 2013).

Artificial Vision: AINECC Color Model in Edge Detection

27 Jan 2010 by juancaruca

Artificial Vision: AINECC color model in edge detection. Entirely OpenCV code.

Automatic color adjustment of photos

24 Jul 2013 by thuanleminh

hi allis there any solutions for Adjustment image color in open cv ?i have a bad image so i want to balance color of it thank !

C++

OpenCV

Automatic Skew Correction of Scanned Documents

1 Nov 2015 by Pavel Torgashov

Simple and fast skew correction of scan docs in C#

Automatically cropping using opencv in C# project

4 Jan 2022 by Member 14047666

We are performing Auto Crop operations using OpenCV library in C# project, For few sample automatically cropping the image but for other samples images are not cropped. Let us know anything is missing in source code. Please find the below piece...

C++

image-processing

OpenCV

Automatically cropping using opencv in C# project

4 Jan 2022 by KarstenK

A clear case for the debugger, because it is some special situation. So use the tool with some test data. I think your fix coordinates in the code can be a problem when using different image sizes. Also read the OpenCV documentation for...

C++

image-processing

OpenCV

B-spline interpolation for image zooming opencv(c++)

12 Apr 2016 by zaidalhuda

I have bicubic interpolation for image zooming but i want B-spline interpolation plz anyone help me. code bicubic interpolation:IplImage * bicubic(IplImage *img, int newWidth, int newHeight){ int w= newWidth; int h = newHeight; IplImage * img2 =0; img2...

C++

OpenCV

background automatic cutout

24 Jul 2013 by thuanleminh

how can i cut background of image with open cv ?thank !

C++

OpenCV

Background separation using static BG image in Open CV

12 Jun 2013 by vijay kakani

Hi Everyone,I'm new to Open CV and present working on my project which needs background separation done with OpenCV.Two days back I configured Open CV with Visual Studio C++ 2010 and worked on small tutorials from this blog http://opencv-srf.blogspot.ie/By I am not sure about how to...

Bag-of-Features Descriptor on SIFT Features with OpenCV (BoF-SIFT)

30 Aug 2017 by Ravimal Bandara

An implementation of Bag-Of-Feature descriptor based on SIFT features using OpenCV and C++ for content based image retrieval applications.

Bag-of-Features Descriptor on SURF and ORB Features (BoF-SURF and BoF-ORB)

21 Sep 2013 by Ravimal Bandara

An implementation of Bag-Of-Feature descriptor based on SURF and ORB features using OpenCV and C++.

OpenCV

Barcodescanner with webcam on Intel® Edison

16 Dec 2015 by Intel

With barcode scanning being a standard on mobile devices one might want to enable Intel(R) Edison to run automated barcode scannings.

Barcodescanner with webcam on Intel® Edison

18 Feb 2016 by Intel

With barcode scanning being a standard on mobile devices one might want to enable Intel(R) Edison to run automated barcode scannings.

Beginner's guide to understand Fingertips counting using convexity defects in OpenCV

18 Jun 2014 by Dilan Shaminda

C++

VS2010

OpenCV

Body measurements error in opencv Python

27 Jul 2022 by GUREY MARINE SHOP

I'm making a body measurements application that can be used to measure the human body, but I'm having trouble matching the correct person size to the image size. how can you help me ? What I have tried: import cv2 import mediapipe as mp import...

Python

OpenCV

Building OpenCV Libraries for Linux on Windows Using MinGW and MSYS

23 Jan 2013 by Vijay Rajanna

Procedure to be followed in order to generate OpenCV libraries for Linux operating system using MinGW and MSYS toolkit on Windows Operating system.

CUDA

OpenCV

C# - Emgucv - Face Recognition code returns a black image and unknown/unrecognized label whether a known image given or not

12 May 2013 by sizusuzu

0 down vote favorite I was working on Face Recognition code. After training the database and calling EigenObjectRecognizer, the result is a black image with unrecognized label.While the code running it looks like the following http://www.mediafire.com/view/?ewns4iqvd51adsc .And as shown in...

Emgu-CV

OpenCV

image-recognition

C# library for object identification

9 Feb 2015 by mayooran99

I have a need to identify accessories that a person is wearing. Are there any pre defined libraries for this available at C# or can I use any C# object identification techniques? what are the tools available? Please advise.

C#5.0

C++

OpenCV

C# library for object identification

9 Feb 2015 by Sergey Alexandrovich Kryukov

You already know OpenCV. There are some .NET wrappers to this library you could use, such as OpenCVDotNet and Emgu...

C#5.0

C++

OpenCV

C#-can I use opencv tools for recognize unique voice?

15 Jun 2020 by Mohammad Tavoosi

Hi, I have a C # project that I want to add to that unique voice recognition feature. Can I add this feature to my C# project using OpenCV or other tools? What I have tried: So far, I've only been able to implement a text-sensitive voice...

artificial-intelligence

WinForms

machine-learning

OpenCV

C#: how do I set web cam exposure as an auto after modifying the settings?

9 Jul 2018 by Ganesh Ghube

I am able to set the Exposure manually using below code(cap.Exposure = -5;) and I want to set the Exposure as an Auto from my application after below function closed/terminated. Because Exposure is reflecting for all Camera applications after closed below project. Thanks in advance. What I...

OpenCV

calculate distance based on disparity map

20 Jun 2015 by Member 11223040

I am trying to program a robot that detect obstacles and estimate distance. I am using computer vision for this task . I calculated the disparity map but I do not know how to detect obstacles and estimate the distance. what are the steps I need to follow to accomplish this goal? what are the...

C++

OpenCV

calculate distance based on disparity map

20 Jun 2015 by CPallini

Here some insight: "distance measurement using disparity map"[^].

C++

OpenCV

Camera calibration using opencv with square grid patterns

25 Jul 2016 by devilmushroom

so, umm currently i'm going to do camera calibration using opencv but not with chessboard patterns. im using a square grid patterns like this one http://research.microsoft.com/en-us/um/people/zhang/Calib/Calibration/CalibIm1.gif[^]but everytime i'm searching for the code i always find the...

C++

OpenCV

Camera Face Detection in C# using Emgu CV and WPF

3 Oct 2018 by Junian Triajianto

How to perform Face Detection using your camera / Webcam

WPF

Dev

OpenCV

Can I Do These Pre-Processing On Image Before Applying Uniformlbp

11 Jun 2014 by MSMHMA

in my code i take an image and apply this pre-processing on itbitwise_not(src, src); // matrices used Mat dst; // image after preprocessing //frame=src; cvtColor(src, dst, CV_BGR2GRAY); GaussianBlur(dst, dst, Size(7, 7), 5, 3, BORDER_CONSTANT); // tiny bit of smoothing...

C++

LBP

OpenCV

Can I get a new code for face detection

7 Mar 2017 by OriginalGriff

The whole of idea of "i need a new code which is not in existance" means one of three things:1) You want something you can hand in as your own work.2) You want something written specifically for you.Or3) You want something that doesn't exist yet.So:1) We do not do your homework: it...

Visual-Studio

OpenCV

Can I get a new code for face detection

7 Mar 2017 by Patrice T

We do not do your HomeWork.HomeWork is not set to test your skills at begging other people to do your work, it is set to make you think and to help your teacher to check your understanding of the courses you have taken and also the problems you have at applying them. Any failure of you will...

Visual-Studio

OpenCV

Can not resize video resolution for LEPTON FLIR camera on python3

2 Dec 2021 by Abdussalam Elhanashy

0 I am streaming lepton FLIR camera on jetson nano using python3 and OpenCV and I have problems that I can not resize live video. The original lepton resolution is (160 x 120) and I would like to resize it to (640 x 480). I tried to use...

Python3.3

nvidia

OpenCV

Can Python be used to control automated vision machine？

2 Aug 2017 by KarstenK

Looks like Python and OpenCV are good companions, by visiting this sample site. Write some clear and wisely constructed functions to ensure smooth execution. With todays computing power and software optimizations, the speed is more a function of sound software but the implementing language. ...

Can we teach a machine from video?

31 Jan 2015 by hor_313

HiIs there any books or articles that discussed about learning from video? I know we can teach a neural network from photos, But what about videos? How can I teach an action to a machine?

C++

machine-learning

OpenCV

Can we teach a machine from video?

31 Jan 2015 by Sergey Alexandrovich Kryukov

Please see my comment to the question, which is too broad.If your question is about using OpenCV, please start here: http://docs.opencv.org/modules/contrib/doc/facerec/tutorial/facerec_video_recognition.html[^].But understanding fundamentals of machine learning itself is a good portion...

C++

machine-learning

OpenCV

Can we teach a machine from video?

2 Feb 2015 by Legor

Technically speaken a video is not much else then a lot if images (frames) in sequence. So there is not much difference between "learning" from an image then from a video (despite some more information you may obtain from the video).Your question however cannot be answered easily. If you ask...

C++

machine-learning

OpenCV

Can you say what is wrong with this code. Opencv C++ for detecting number of stars.

10 Oct 2017 by Member 13458139

#include "opencv2/imgcodecs.hpp" #include "opencv2/imgproc.hpp" #include "opencv2/highgui.hpp" #include "opencv2/opencv.hpp" using namespace cv; using namespace std; int main(int argc, char** argv) { // Read image Mat im = imread("image1.jpg", IMREAD_GRAYSCALE); // Setup...

C++14

OpenCV

Can you say what is wrong with this code. Opencv C++ for detecting number of stars.

10 Oct 2017 by OriginalGriff

Compiling does not mean your code is right! :laugh: Think of the development process as writing an email: compiling successfully means that you wrote the email in the right language - English, rather than German for example - not that the email contained the message you wanted to send. So now...

C++14

OpenCV

Can you say what is wrong with this code. Opencv C++ for detecting number of stars.

10 Oct 2017 by Jochen Arndt

This can't be really answered without having your image. I would also expect that you got some output like "0.00" or your application terminates with an error. You should check if loading the image was successful because you will not get a result if that fails: Mat im = imread("image1.jpg",...

C++14

OpenCV

Can't Capture Object from kinetic

26 Nov 2014 by Anderso0on

Hi there. I have been trying to set up OpenCV_2.4.8 + OpenNI_1.5 in VS2010 C++ for a hand gesture recognition project, and I am wondering if you used the VideoCapture function to capture the motion? If so, can you please shine some light on me? For some reason the "VideoCapture capture(...

OpenCV

Can't save the ocr detected image file.

6 Oct 2022 by M@153

I'm trying to run the paddleOCR framework on the cropped ROI of a scanned image, but when I do, I always get the error message mentioned below. I have no idea what's gone wrong. UFuncTypeError Traceback (most recent...

Python3.6

image-processing

OpenCV