I'm going to have to make assumptions that you have circular tablets with circular spots. Off the top of my head, you would use something like HoughCircles to detect all circles in the image; once you have the list of all circles, you would look...

Python

OpenCV

How do I detect spots on tablets

N 25 Apr 2024 by 01fe20bec297

I have a frame which consist of many tablets. There are spots on the tablets. I want to detect those spots which are on tablet. The spots are of random color, random shape and random size. How can i detect these spots using image processing? ...

Python

OpenCV

Detect scratches from an image with open CV?

6 Dec 2023 by Maciej Los

If you're talking about: Magick.NET/docs at main · dlemstra/Magick.NET · GitHub[^] then you're in trouble, because that library is for: Quote: ImageMagick is a powerful image manipulation library that supports over 100 major file formats (not...

OpenCV

Detect scratches from an image with open CV?

5 Dec 2023 by Richard MacCutchan

See OpenCV: Feature Detection and Description[^]

OpenCV

Detect scratches from an image with open CV?

5 Dec 2023 by Tim the Gamer

I have applied an effect to highlight all the edges on an image with C# wrapper to Image Magick called Magick. NET . I intend to detect the scratches and small circles on it. How can I do this. This is what I got so far, check the image from this...

OpenCV

How do I fix this line of code of smile detection project

6 Nov 2023 by Hossain23

Google Colab[^] The code link has been updated. Now you can access it here. I was trying to implement smile detection project from kaggle on to my Google collab. kaggle link smile-detection | Kaggle[^] I have downloaded the datasets and...

How do I fix this line of code of smile detection project

26 Oct 2023 by OriginalGriff

"It doesn't work" is probably the most useless problem report we get - and we get it a lot. It tells us nothing about what is happening, or when it happens - and "I get error" means just that - "it doesn;t work"! So tell us what it is doing that...

How to determine the blurness of an image after using the canny filter?

21 Jun 2023 by Member 15902014

I would like to get a “blurness” value after using the cannyfilter on a siemensstar image, to check the blurness level. After usind the canny filter you can identify that the sharper image has more lines than the blurry one. So what would be the...

image-processing

OpenCV

How to determine the blurness of an image after using the canny filter?

21 Jun 2023 by Richard MacCutchan

See canny filter - Google Search[^] for further information.

image-processing

OpenCV

Vision application to detect object angle WRT vertical and horizontal.

11 Jun 2023 by Deepen Bedar

I want to develop a vision application to detect the angle of an object with respect to horizontal and vertical. I need someone's assistance to understand the basics of object detection, and what all functions and Libraries are required for this...

Python

OpenCV

Vision application to detect object angle WRT vertical and horizontal.

16 May 2023 by Richard MacCutchan

object detection python opencv - Google Search[^]

Python

OpenCV

How to make focused and clean image from blur and defocused image using opencv c++.

22 Mar 2023 by sahil ajmeri 2022

i am working on a project in C++ WinForms. i have a blur and defocused Image. i want to make that image more focused and sharpened but smooth and clean as this Image. this image enhanced in mobile application. and i want the same result as this...

Image enhance in C++ CLR winforms (.NET framework) using opencv library

12 Mar 2023 by sahil ajmeri 2022

i have created CLR winforms(.net framework) c++ project, there's two buttons SelectImageBtn and EnhanceBn. i want to select the folder where the blur images are stored by clicking SelectImageBtn and want to sharp and enhance all the blur images...

Image enhance in C++ CLR winforms (.NET framework) using opencv library

12 Mar 2023 by merano99

The /std option is used to control version-specific standard features of the ISO C or C++ programming language in a compiler. https://learn.microsoft.com/en-us/cpp/build/reference/std-specify-language-standard-version However, according to your...

Image enhance in C++ CLR winforms (.NET framework) using opencv library

10 Mar 2023 by sahil ajmeri 2022

okay i found the solutions for getting errors i was using ISO C++14 Standard (/std:c++14) instead of upgraded version ISO C++17 Standard (/std:c++17) i fix the problem following steps To switch to C++17 or later, you need to modify the...

How do I look for the color pixel inside a specific area bounded by two vertical line?

30 Jan 2023 by Member 15908705

I have detected the edge of the wires. Now I need to get the color of each wire column and make a list of the color from left to right but I don't know how to do it or what function should I use to get the color for each wire column. What I have...

Python

image-processing

OpenCV

How to compare two barcode using webcam and Python and if match type true

22 Jan 2023 by omar weeka

Iam using open cv and opencv to read multiple barcode scan I need to check if theres some barcode equal to each other by uaing live video by webcam i need to say of theres barcode equal to other display truee on screen theres more than one...

Python2.2

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

Can't save the ocr detected image file.

6 Oct 2022 by Richard MacCutchan

You have the following lines in your code: ROI3 = image2[y:y+h, x:x+w] # this looks like part of the image # ... img_path = ROI3 # ... save_path = os.path.join(out_path, img_path + '-output.jpg') You need to look at the content of...

Python3.6

image-processing

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

Why can QT not find opencv module which already is installed ?

3 Oct 2022 by Member 11246616

I have project written in cmakelists.txt using opencv. And, I want to run this project in QT in ubuntu. But there is an error; `/home/asiye/ 38 | #include | ...

OpenCV

cmake

Why can QT not find opencv module which already is installed ?

3 Oct 2022 by Richard MacCutchan

Possibly because your include statement is telling the compiler to look in the standard library locations and your opencv is in your project folder. Try changing it to #include "opencv2/xfeatures2d.hpp" with double quotes rather than angle...

OpenCV

cmake

How to print the output of this code in an tkinter window instead of cv2.imshow('object detector', frame) without affecting video processing ?

3 Oct 2022 by ASHIN KUNJUMON

import os import cv2 import numpy as np import tensorflow as tf import tensorflow.compat.v1 as tf import sys # This is needed since the notebook is stored in the object_detection folder. sys.path.append("..") # Import utilites from...

Python

tensorflow

OpenCV

How to increase the video processing speed of the following opencv code ?

3 Oct 2022 by ASHIN KUNJUMON

How to print the output of this code in an tkinter window instead of cv2.imshow('object detector', frame) without affecting video processing ?

3 Oct 2022 by Richard MacCutchan

See tkinter — Python interface to Tcl/Tk — Python 3.10.7 documentation[^].

Python

tensorflow

OpenCV

How to extract only CR no from image

23 Sep 2022 by M@153

Input image I need to extract CR No.from the sample image above. Using Easyocr, I got the output in complex nested list form. How to update the code to filter out all the detected text/numbers and get only CR No. I tried to fetch the text "CR...

How to extract only CR no from image

23 Sep 2022 by Richard MacCutchan

Something like: mainlist = [([[212, 26], [314, 26], [314, 50], [212, 50]], 'SCB MEDICAL', 0.998906268787747), ([[36, 56], [84, 56], [84, 80], [36, 80]], '6ein8', 0.19502338570146513), ([[303, 99], [335, 99], [335, 119], [303, 119]], 'OPD',...

How to get time when object detected in video Python

30 Aug 2022 by embedde

im about to build video analytic using python. im able to detect object in video using tensorflow. But i cannot get the time when the object appear in video. i have scenario like this : i have 16 seconds video . in the 5th second, the object...

Python

tensorflow

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

How do I develop a sketch website? What technology is suggested?

22 Jun 2022 by RickZeeland

Maybe you can use one of these open-source-command-line-image-conversion-tools[^] And also take a look at: what-are-the-most-enjoyable-programming-languages-for-web-development[^] Another option might be the OpenCV library which can be used...

How do I develop a sketch website? What technology is suggested?

22 Jun 2022 by Member 15678123

Hello everyone, I'm building a sketch website where I am trying to introduce different types of sketches including pencil sketches, color sketches, IG-like filters, and more. I'm an initial phase where I am exploring the possible technologies...

How to select area (square) from an image using skimage Python

12 Jun 2022 by ATF 98

I'm trying to extract 3 random areas from the image (lungs image) these areas are indicated in the soft tissues, each area will be a square of specific height and width e.g. 10mm for width and height, as shown in the image in the link. ...

Python

image-processing

OpenCV

Displaying video on canvas in Python

30 Apr 2022 by Hamna Malik 2022

Canvas is not displaying video even there is no error while execution of code What I have tried: def ir_frame_to_jpg(self, IRFrame): IRFrame = IRFrame.reshape((const.ir_image_size)) IRFrame = np.uint8(IRFrame) ...

Python

Kinect

OpenCV

Help with colour array

27 Apr 2022 by Emmett O neill

Hi I am creating a Rubik's cube detection program for OpenCV in order to detect the colour of each individual cubie however i am struggling to tell the difference between colours such as red, orange and yellow. I have investigated this throughly...

Python

OpenCV

color

Help with colour array

27 Apr 2022 by matblue25

Maybe because you have overlap between the yellow and orange ranges?

Python

OpenCV

color

Opencv solve a rubiks cube

27 Apr 2022 by Emmett O neill

Description: So i'm currently working on a program to solve a rubik's cube using Python and OpenCV. In order to do this i first am trying to extract all the colors of the cubies, and then apply kociemba's algorithm in order to output a solution...

Python

OpenCV

Opencv solve a rubiks cube

27 Apr 2022 by Richard MacCutchan

Look at the second message below in the error messages: Traceback (most recent call last): File "c:\Users\eonei\Documents\Emmett\Rubiks-Cube-Solver\main.py", line 81, in screen_record() File...

Python

OpenCV

Opencv solve a rubiks cube

27 Apr 2022 by Greg Utas

Debugging skills are as important as design and coding skills. You will learn nothing if someone debugs your program for you. It's unlikely that many people here are even amiliar with Kociemba's algorithm, so someone wanting to help would have to...

Python

OpenCV

Opencv solve a rubiks cube

26 Apr 2022 by OriginalGriff

Seriously, you need to use the debugger to find out exactly what it is doing, and where it crashes. So go here: pdb — The Python Debugger — Python 3.10.4 documentation[^] and use set_trace to start debugging from a point just before where you...

Python

OpenCV

How do I return both image and text simultaneously to HTML page in live streaming using flask

21 Apr 2022 by Kaushik Vezzu

As a part of my project involving conversion of sign language to english , I developed .tflite model and did predictions successfully using opencv. Now i want to implement web application for this . On the web page , there will be live streaming...

Image processing, data processing

13 Apr 2022 by Member 15590963

There is a picture of the written exam paper, we converted it to a text file with opencv. I am comparing the answer key text file with the exam text file. it gets high marks as long as it's the same words, so it's just comparing word similarity,...

Python

OpenCV

How can I make lidar to rgb projection using vivid dataset

12 Apr 2022 by youssef alaa 2022

I'm trying to make LIDAR to RGB projection using [ViViD dataset](https://visibilitydataset.github.io/1_about.html). I tried to use the same approach as the one used for kitti dataset. However, i got wrong results. the calibration files provided...

Python3.6

OpenCV

Image processing, data processing

4 Apr 2022 by Member 15590963

I just started opencv I converted a picture into a text file with opencv and I want to compare the similarities with the code with the ready text file I have, how can I code it? can anyone help? What I have tried: I did some research but...

Python

image-processing

OpenCV

Image processing, data processing

4 Apr 2022 by OriginalGriff

Don't even think about it. "Similarities" in an image are complicated enough: a shade off, a slight change in size or alignment, a small rotation - these are difficult enough for a computer to spot in an actual picture: image similarity python -...

Python

image-processing

OpenCV

Kalman filter for longitude and latitude

12 Feb 2022 by Member 14526095

Basically, I get inputs from aircraft (lon, lat) point to track it. To do this I implemented the openCV Kalman filter algorithm but Kalman filter gives me following result. lon = 37.461758852005005 => 63 (big difference) lat =...

C++

OpenCV

Kalman filter for longitude and latitude

12 Feb 2022 by KarstenK

You better start with reading some Kalman example implementation to understand what is going on. When using some library it is important to understand the details to not misuse the library and its details. Afte that I recommend that you write...

C++

OpenCV

Converting a mat object to 2D array of pixels using opencv

6 Feb 2022 by haytam7

Hello everyone, in this project I'm trying to convert an image to a matrix of ASCII characters but I got stuck at some point and I would be happy te get your help. The idea is: - Load an image as a Mat object - Iterate through all the pixels and...

Java

OpenCV

programming

How do I store the position of the ball each frame using this code?

24 Jan 2022 by Isaac Nimco

I recently started on a ball tracking project using open cv and python. I got the tracking to work but I wanted to store the position of the ball every frame in a txt file. Since I am a new developer I had no idea what to do. If you know how to...

How do I store the position of the ball each frame using this code?

24 Jan 2022 by Richard MacCutchan

See 7. Input and Output — Python 3.9.10 documentation[^], which explains how to format values into text, and how to write to a file. You may also like to look at json — JSON encoder and decoder — Python 3.9.10 documentation[^] which is a good way...

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

Akinator Vision

24 Dec 2021 by Edward Sulistijono

Face Recognition with Python Programming Language using Haarcascade

Python

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

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

How to drag points drawn by opencv in Python?

10 Sep 2021 by payam mohammadi

yRBW2 — Postimages[^] hi, at the first, please open link and see (image) that is on top of question i have only one simple question as you see in image , there are few lines in image, my code find intersection points of lines i want to...

Python3.6

image-processing

OpenCV

How do I build a frontend for my opencv. My aim is to solve a rubik's cube and run the project in a browser window.

3 Sep 2021 by Manas Sharma 2021

I am building a python project using opencv and kociemba library, the aim is to solve a rubik's cube. It would take the 6 faces of cube as input and produce the instructions to solve the cube as output. However, I want to encase my project to run...

How do I build a frontend for my opencv. My aim is to solve a rubik's cube and run the project in a browser window.

3 Sep 2021 by Gbetnkom Jeff

If you are considering a Web application, you can look through Flask. It's a great way to combine front and back.

Error LNK1104 cannot open file 'opencv_core240d.lib'

29 Aug 2021 by maryam ranjbar

I wanna debug software in visual studio 2019. the software made in Visual Studio 2010.the software use OpenCV.I installed OpenCV but there is no opencv_core240d.lib in the libraries path.I searched for the error, I don't understand how to solve...

C++

Visual-Studio

OpenCV

Error LNK1104 cannot open file 'opencv_core240d.lib'

29 Aug 2021 by Rick York

First, find out if and where the file opencv_core240d.lib exists on your development machine. If it does not exist then you will need to install the OpenCV library and then find out where that file is. Once you have found that file then make...

C++

Visual-Studio

OpenCV

I want to change the brightness and contrast of a bmp grayscale image.

20 Aug 2021 by Member 15325248

I am converting .raw image into bmp and then displaying on image control in wpf. My UI is in WPF. I am also saving the bmp image in png or jpeg format. Now the challenge is correcting the bmp image using brightness and contrast. So is there any...

WPF

OpenCV

I want to change the brightness and contrast of a bmp grayscale image.

20 Aug 2021 by Richard MacCutchan

Look what Google found: OpenCV: Changing the contrast and brightness of an image![^]

WPF

OpenCV

Cmake error at cmakelists.txt:107 (enable_language): generator cmake error at cmakelists.txt:107 (enable_language): generato visual studio 17 2022 could not find any instance of visual studio.r

29 Jul 2021 by Member 11246616

I run Cmake for install opencv for windows 10 but there is an error CMake Error at CMakeLists.txt:107 (enable_language): Generator CMake Error at CMakeLists.txt:107 (enable_language): Generato Visual Studio 17 2022 could not find any...

Visual-Studio

OpenCV

cmake

Cmake error at cmakelists.txt:107 (enable_language): generator cmake error at cmakelists.txt:107 (enable_language): generato visual studio 17 2022 could not find any instance of visual studio.r

29 Jul 2021 by Member 11246616

I solved my problem. Opencv version must be changed.

Visual-Studio

OpenCV

cmake

Cmake error at cmakelists.txt:107 (enable_language): generator cmake error at cmakelists.txt:107 (enable_language): generato visual studio 17 2022 could not find any instance of visual studio.r

29 Jul 2021 by Richard MacCutchan

See could not find any instance of Visual Studio - Google Search[^]

Visual-Studio

OpenCV

cmake

I can't import cv2 in my jupyter

30 Jun 2021 by Halifia Hendri S Pd M Kom

I can't import cv2 in my Jupyter like this error message below: ModuleNotFoundError Traceback (most recent call last) in ----> 1 import cv2 ...

Python

Jupyter

OpenCV

I can't import cv2 in my jupyter

30 Jun 2021 by Richard MacCutchan

Wherever you have installed opencv, the system cannot find it. Use pip to find out where it is: Quickstart - pip documentation v21.1.3[^].

Python

Jupyter

OpenCV

How do I create a proper numpy using ffmpeg to use with opencv

10 May 2021 by Member 15192080

Hi everyone, I'm trying to convert with ffmpeg-python every frame of a video in a numpy array that could work with opencv What I have tried: Here my code: for i in (frames): out, _ = ( ffmpeg ...

Python

ffmpeg

OpenCV

How can I paste an image to another image by comparing its coordinate values using PIL or opencv in Python

10 Mar 2021 by Member 15096949

I need to merge two images with respect to its coordinate values. I have done merging using single point to point merge using Paste an image to another image at two given co-ordinates with altered opacity using PIL or OpenCV in Python - Stack...

Python

artificial-intelligence

OpenCV

Spline catmull-rom for image zooming using C++ and opencv

28 Dec 2020 by Member 11271608

Hello, I'm trying to implement spline Catmull-Rom for image zooming using C++ and OpenCV. I performed two tests, the first is image zooming (X2), and the second image reconstruction (zooming image decimated). What I have tried: I'm trying to...

C++

Zoom

OpenCV

Spline catmull-rom for image zooming using C++ and opencv

28 Dec 2020 by KarstenK

That is clearly a bug you must fix. I guess it is some overflow in your math. So check the code for overflows and fix them correctly. My first candidate would be CalCurveInt. tip: use some test data like input code or specail sample file to...

C++

Zoom

OpenCV

Image-blending using Python and OpenCV

22 Dec 2020 by Markus Koppensteiner

Python code for image-blending based on an image mask

Python

OpenCV

How to find angle betwene to lines

16 Dec 2020 by Member 14649324

i have two lines that will be draw through mouse events and to find the angle between them like if i draw two parallel line the angle give me 0 What I have tried: import numpy as np import cv2 import math btn_down = False def...

Python

OpenCV

How to find angle betwene to lines

16 Dec 2020 by Sandeep Mewara

You can make use of use the Hough Transform as mentioned here: How to measure the angle between 2 lines in a same image using python opencv? - Stack Overflow[^] Snippet from there: from skimage.transform import (hough_line, hough_line_peaks)...

Python

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: 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: 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: 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

How to find angle between two perpendicualt lines in opencv

18 Nov 2020 by Member 14649324

i have two perpendicualr lines how to draw the Angle between them What I have tried: mport numpy as np import cv2 btn_down = False def get_points(im): # Set up data to send to mouse handler data = {} data['im'] = im.copy() ...

Python

OpenCV

How to find angle between two perpendicualt lines in opencv

18 Nov 2020 by Gerry Schmitz

I put my line vertical or horizontal then rotate it about some point to make and get an angle. Easier than doing geometry. c++ - Rotate a point around a point with OpenCV - Stack Overflow[^] (Yeah, I know it's C++; it's the "concept". That's...

Python

OpenCV

The similarity of the two photos

16 Nov 2020 by Maciej Los

There's at least several articles in our database on that topic. See: CP Knowledge Base[^]

OpenCV

Who have an idea about opencv for java

11 Nov 2020 by Member 14834230

hi ! i'm newer in java , and i have project on openCV for java i have to present what is opencv and their function for java please who can help me by a video or tuto or document ? What I have tried: hi ! i'm newer in java , and i have...

Java

OpenCV

Who have an idea about opencv for java

11 Nov 2020 by Gerry Schmitz

Welcome to OpenCV Java Tutorials documentation! — OpenCV Java Tutorials 1.0 documentation[^]

Java

OpenCV

Merging lines after using houglinesp, C#

4 Nov 2020 by Hai Luu

My project is to detect the lines on a picture, I know using houghline function(openCVsharp), but the result gives me many parallel lines. Could you guide me on how to merge these parallel lines? var gray = OpenCvSharp.Cv2.ImRead(filename,...

image-processing

OpenCV

Deep Learning in C#: Coin Detection Using OpenCV

2 Nov 2020 by Arnaldo P. Castaño

In this series of articles we will use a deep neural network (DNN) to perform coin recognition. Specifically, we will train a DNN to recognize the coins in an image.

artificial-intelligence

deep-learning

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 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

How to implement a human facial age recognition classifier on opencv?

21 Oct 2020 by Supoh

so i am trying to implement a face detection age classifying agent that detects a face on a photo and then classifies it according to age as 'Old' and 'Young'. So far I have implemented the face recognition class using OpenCV in which I used the...

How to implement a human facial age recognition classifier on opencv?

21 Oct 2020 by Sandeep Mewara

Based on different facial feature you need to define a confidence factor for defining an age. Train the model with datasets (images). Would suggest CNN (Neural Network) for this classification. Quote: In order to evaluate an age detector, you...

I can't release memory on opencl.net in C#

5 Oct 2020 by Member 12087553

I have been developing a project. it is developed with C#, OpenCL.NET. Aforge, OpenCV. I have a big problem. it is I can't release Memory on OpenCL.NET. I tried release() and dispose() but there weren't released. So I need the method that can...

OpenCV

OpenCL

How do I crop a subimage from an image with edge detection

1 Oct 2020 by Member 14785741

So basically I have an image with whitespace and a text above. The output should be only the picture. Without the text and the whitespaces. The best example would probably be a meme: https://i.stack.imgur.com/03Tmo.jpg How could I implement...

How do I crop a subimage from an image with edge detection

1 Oct 2020 by Member 14953523

import cv2 import numpy as np #img = cv2.imread("test.png") img = cv2.imread("img02.png") blurred = cv2.blur(img, (3,3)) canny = cv2.Canny(blurred, 50, 200) ## find the non-zero min-max coords of canny pts = np.argwhere(canny>0) y1,x1 =...

How can I convert this Python code to C++?

28 Aug 2020 by peterkm

To start with, I suggest to find C++ equivalents for Python libraries which you do not mention in your sample ... like this equivalent of Numpy GitHub - dpilger26/NumCpp: C++ implementation of the Python Numpy library[^] Researching needs to...

How can I convert this Python code to C++?

28 Aug 2020 by wiseman s

I doesn't know anything about pyhton. But I want to implement " Joachim Weickert 'Coherence-Enhancing Shock Filters' " for C++ and openCV. Only source code that I found written in pyhton. opencv functions are OK . I can adapt but some variable...

How can I convert this Python code to C++?

28 Aug 2020 by OriginalGriff

This is not a code conversion service: we are not here to translate code for you. Even if we did, what you would end up with would not be “good code” in the target language – they are based on very different frameworks, and what makes something...

Age Estimation With Deep Learning: Using CNN to Predict Age

24 Jul 2020 by Sergey L. Gladkiy