Description:-
Computer vision is a field of artificial intelligence that focuses on developing algorithms to process and interpret digital images. It enables machines to recognize objects, interpret images, and understand their environment. Computer vision systems are used in a variety of applications, such as autonomous vehicles, medical image analysis, and robotics.
A lot of research has been carried out in this field of computer vision for decades. Some of the most important research in this field includes object recognition, image segmentation, image recognition, object tracking, facial recognition, 3D object modeling, and optical character recognition.
The processing of images has now become faster and more efficient. Thanks to cloud technologies and powerful GPUs! With the ever-evolving technology, the interface “computer vision” between machines and humans is bound to gain attention in the coming days.
Open Source Computer Vision Library commonly known as OpenCV is an open source library of programming functions mainly aimed at real-time computer vision. It is used for image processing, video capture and analysis, object detection, and recognition, and can be used in various applications such as robotics, mobile phones, and large-scale industrial systems. OpenCV can be used to develop applications that include facial recognition and gesture recognition.
A basic understanding of Computer Vision and OpenCV helps newbies enter into the field of AI but there are various challenges that one might face in understanding the practical application of computer vision. To ease down the process of getting acquainted with Computer Vision and OpenCV, we have come up with a stepwise guide to use simple functions of OpenCV to read, write and display images on the screen. Also, this guide will help you learn how to do face detection and edge detection.
So, without further ado, let’s begin!
A Stepwise guide to Read, Write and Display Images
Step 1. Library Installation
Install OpenCV library with the pip command of python.
Step 2. Import necessary libraries.
Step 3. Now, read images from CV2.
i. Read image from CV2.imread() function.
ii. Now, split images into three parts i.e. RGB.
iii. Show the split and original image with the help of Imshow() function
Output:-
Vi. Lastly, merge all images using the merge function.
A Stepwise guide to Draw Functions in OpenCV
Step 1. Import necessary libraries.
Step 2. Null image
Create a null image with help of numpy array.
Step 3. Null image subplot with
Create subplots with matplotlib for null images and drawn images.
Step 4. Draw line
Now, draw a line with the help of line function of the OpenCV library.
Output:-
Step 5. Draw Rectangle
After drawing a line, make a rectangle on a 100, 100 x, y axis with 300 x 300 height and width.
Output:-
A Stepwise guide to Canny Edge Detection
Step 1. Import necessary libraries.
Step 2. Use haar casecade classifire function
Download haar cascade file from web. Put this XML file with cascade classifier function as the attribute of function.
Step 3.
Make conditional statement to raise an error if haar cascade file is not available
Step 4. Using camera read real time video capture.
Step 5. Capture real-time frames with While Loop.
Step 6. Gray Scale Conversion
Now, resize the frame and convert frame into Grayscale.
Step 7. Draw Rectangle frame on detected face
Step 8. Now, release the video capture object.
Output:-
Conclusion:-
I hope this article helps you understand the fundamentals of OpenCV and face recognition in images and real-time video capture. If you have any other questions regarding OpenCV or face recognition in images and real-time video capture, feel free to ask in the comments section below.
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Coding is generally considered a boring activity. After all, who wants to sit in front of a computer all day writing in a language that can’t even be read? But that is not all there is to code. It can be used for some really fun coding facts stuff, and there is so much amazing work that you can do only if you knew how to code.
5 Coding Facts That Blow Your Mind
Let us look at five great fun coding facts you might not know about coding.
You Can Make Games With Code
Coding is an umbrella term for the scores of languages and their versions that programmers use to make their applications. We have all played games, on consoles, our mobile phones, or our desktop computers and laptops, at some point in our life. It might not surprise you to know that these games are also created using code. The complex physics of the characters in these games, the design of the environment of the games, and each minute movement in the games have a piece of code behind them.
Game designers typically write in languages such as C++, C#, and Java. These are also some of the most popular kids coding languages, especially for children who like gaming. Coding courses are available widely in all of these languages and the broad domain of game design.
You Do Better At School If You Code
Making games and indulging in the fun applications of coding is all fine, but coding can have great advantages at school as well. Once you start taking classes that teach coding for kids, you will realize that coding requires a lot of brainpower as well. Coding even for the most fun tasks requires you to think quite a bit, and this sharpens your mind and increases your capability to think logically.
This logical capability can be of a lot of use to you at school. Especially in subjects like mathematics, you might find yourself topping the class simply because of the practice you got during coding! In fact, coding and mathematics have a kind of symbiotic relationship – what you learn in maths comes of use in code and vice versa.
You Can Follow Your Interest Using Coding
Regardless of what your favorite subject is, or what fields you are interested in, you will find a use for code everywhere. Be it through developing software, creating an all-new app, making a game, or building a simple utility, you will find that coding facts can be a way to enable you to follow your interests through a different path.
All subjects from science to social studies and from mathematics to philosophy use coding in some way for research or education. Be it sports or music, art or architecture, utilities that are made using code are prevalent in every field that you can think of. Taking simple online coding courses can qualify you and build your interest in creating such utilities.
You Can Predict Future Events Through Code
Did you know that predicting the future is an application of coding! Predictive modeling is a field of programming in which code is used to try and predict what will happen in the future on the basis of events that took place in the past. It uses concepts of artificial intelligence and machine learning to create algorithms that learn the behavior of past data and determine the course of future data.
Predictive modeling is one of the most futuristic applications of code and is used to determine everything from the next movie you will like on Netflix to whether it will rain tomorrow. You can opt for closing classes in machine learning to know more about the field, and create your own utilities to predict the future!
Coding Is Free!
You don’t need any sophisticated apparatus except your laptop for coding. All you need is the will to learn more and follow your interests through code. To learn to code you do not need to go to a special school or have any special capabilities. You can opt for free coding classes for kids which are held completely online and follow a completely hands-off approach in helping kids learn to code. There are also a vast number of coding sites for kids on which they can log in to learn basic coding facts for kids without even having to enroll in a class.
Conclusion
The future is already being written, and it is being written in code. Coding for kids classes can help kids of all ages currently going to school not just learn to code but also to have fun in the process. The above applications of code can be a major stepping stone to build the interest of kids in coding, after which they can hone their interests and new skills on even more advanced applications. A platform such as Learningbix can be an excellent way for you to get started.
Coding is generally considered a boring activity. After all, who wants to sit in front of a computer all day writing in a language that can’t even be read? But that is not all there is to code. It can be used for some really fun coding facts stuff, and there is so much amazing work that you can do only if you knew how to code.
5 Coding Facts That Blow Your Mind
Let us look at five great fun coding facts you might not know about coding.
You Can Make Games With Code
Coding is an umbrella term for the scores of languages and their versions that programmers use to make their applications. We have all played games, on consoles, our mobile phones, or our desktop computers and laptops, at some point in our life. It might not surprise you to know that these games are also created using code. The complex physics of the characters in these games, the design of the environment of the games, and each minute movement in the games have a piece of code behind them.
Game designers typically write in languages such as C++, C#, and Java. These are also some of the most popular kids coding languages, especially for children who like gaming. Coding courses are available widely in all of these languages and the broad domain of game design.
You Do Better At School If You Code
Making games and indulging in the fun applications of coding is all fine, but coding can have great advantages at school as well. Once you start taking classes that teach coding for kids, you will realize that coding requires a lot of brainpower as well. Coding even for the most fun tasks requires you to think quite a bit, and this sharpens your mind and increases your capability to think logically.
This logical capability can be of a lot of use to you at school. Especially in subjects like mathematics, you might find yourself topping the class simply because of the practice you got during coding! In fact, coding and mathematics have a kind of symbiotic relationship – what you learn in maths comes of use in code and vice versa.
You Can Follow Your Interest Using Coding
Regardless of what your favorite subject is, or what fields you are interested in, you will find a use for code everywhere. Be it through developing software, creating an all-new app, making a game, or building a simple utility, you will find that coding facts can be a way to enable you to follow your interests through a different path.
All subjects from science to social studies and from mathematics to philosophy use coding in some way for research or education. Be it sports or music, art or architecture, utilities that are made using code are prevalent in every field that you can think of. Taking simple online coding courses can qualify you and build your interest in creating such utilities.
You Can Predict Future Events Through Code
Did you know that predicting the future is an application of coding! Predictive modeling is a field of programming in which code is used to try and predict what will happen in the future on the basis of events that took place in the past. It uses concepts of artificial intelligence and machine learning to create algorithms that learn the behavior of past data and determine the course of future data.
Predictive modeling is one of the most futuristic applications of code and is used to determine everything from the next movie you will like on Netflix to whether it will rain tomorrow. You can opt for closing classes in machine learning to know more about the field, and create your own utilities to predict the future!
Coding Is Free!
You don’t need any sophisticated apparatus except your laptop for coding. All you need is the will to learn more and follow your interests through code. To learn to code you do not need to go to a special school or have any special capabilities. You can opt for free coding classes for kids which are held completely online and follow a completely hands-off approach in helping kids learn to code. There are also a vast number of coding sites for kids on which they can log in to learn basic coding facts for kids without even having to enroll in a class.
Conclusion
The future is already being written, and it is being written in code. Coding for kids classes can help kids of all ages currently going to school not just learn to code but also to have fun in the process. The above applications of code can be a major stepping stone to build the interest of kids in coding, after which they can hone their interests and new skills on even more advanced applications. A platform such as Learningbix can be an excellent way for you to get started.
Coding is generally considered a boring activity. After all, who wants to sit in front of a computer all day writing in a language that can’t even be read? But that is not all there is to code. It can be used for some really fun coding facts stuff, and there is so much amazing work that you can do only if you knew how to code.
5 Coding Facts That Blow Your Mind
Let us look at five great fun coding facts you might not know about coding.
You Can Make Games With Code
Coding is an umbrella term for the scores of languages and their versions that programmers use to make their applications. We have all played games, on consoles, our mobile phones, or our desktop computers and laptops, at some point in our life. It might not surprise you to know that these games are also created using code. The complex physics of the characters in these games, the design of the environment of the games, and each minute movement in the games have a piece of code behind them.
Game designers typically write in languages such as C++, C#, and Java. These are also some of the most popular kids coding languages, especially for children who like gaming. Coding courses are available widely in all of these languages and the broad domain of game design.
You Do Better At School If You Code
Making games and indulging in the fun applications of coding is all fine, but coding can have great advantages at school as well. Once you start taking classes that teach coding for kids, you will realize that coding requires a lot of brainpower as well. Coding even for the most fun tasks requires you to think quite a bit, and this sharpens your mind and increases your capability to think logically.
This logical capability can be of a lot of use to you at school. Especially in subjects like mathematics, you might find yourself topping the class simply because of the practice you got during coding! In fact, coding and mathematics have a kind of symbiotic relationship – what you learn in maths comes of use in code and vice versa.
You Can Follow Your Interest Using Coding
Regardless of what your favorite subject is, or what fields you are interested in, you will find a use for code everywhere. Be it through developing software, creating an all-new app, making a game, or building a simple utility, you will find that coding facts can be a way to enable you to follow your interests through a different path.
All subjects from science to social studies and from mathematics to philosophy use coding in some way for research or education. Be it sports or music, art or architecture, utilities that are made using code are prevalent in every field that you can think of. Taking simple online coding courses can qualify you and build your interest in creating such utilities.
You Can Predict Future Events Through Code
Did you know that predicting the future is an application of coding! Predictive modeling is a field of programming in which code is used to try and predict what will happen in the future on the basis of events that took place in the past. It uses concepts of artificial intelligence and machine learning to create algorithms that learn the behavior of past data and determine the course of future data.
Predictive modeling is one of the most futuristic applications of code and is used to determine everything from the next movie you will like on Netflix to whether it will rain tomorrow. You can opt for closing classes in machine learning to know more about the field, and create your own utilities to predict the future!
Coding Is Free!
You don’t need any sophisticated apparatus except your laptop for coding. All you need is the will to learn more and follow your interests through code. To learn to code you do not need to go to a special school or have any special capabilities. You can opt for free coding classes for kids which are held completely online and follow a completely hands-off approach in helping kids learn to code. There are also a vast number of coding sites for kids on which they can log in to learn basic coding facts for kids without even having to enroll in a class.
Conclusion
The future is already being written, and it is being written in code. Coding for kids classes can help kids of all ages currently going to school not just learn to code but also to have fun in the process. The above applications of code can be a major stepping stone to build the interest of kids in coding, after which they can hone their interests and new skills on even more advanced applications. A platform such as Learningbix can be an excellent way for you to get started.