REAL TIME OBJECT MEASUREMENT | OpenCV Python (2020)
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- čas přidán 11. 06. 2024
- In this video, we are going to learn how to perform object measurement using OpenCV and Python. We will use an A4 paper as our guide and find the width and height of objects placed in this region.
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![Real time Shape Detection using Contours [9] | OpenCV Python Tutorials for Beginners 2020](http://i.ytimg.com/vi/Fchzk1lDt7Q/mqdefault.jpg)
You are the Real Hero of OpenCV, well done!!!
You have the absolutely most professionally looking tutorials on CZcams. Super helpful!
I am glad you found them helpful.
Great beginner friendly video, Thank you for patiently walking through. Gives a useful insights into how to tap into navigating through the image pixels and coordinates with contours.
This is gonna be my favorite channel
congratulations for this amazing tutorial. It answered most of the questions that I had. Thank you.
I´m a fan of yours video tutorial. I learned python and OpenCv with this amazing videos.
Glad you like them!
Thanks alot! I really enjoy learning this new hard topic! Hope that you are going to make more tutorial instructing us some functions similar to Cognex, Mitsubishi, Keyence industrial vision application.
Thank you so much! It was a great help. You explained them easy!🖐🖐
*Absolutely marvelous.Loved it thanks.*
Glad you enjoyed it
very well explained tutorial, thanks for sharing!
Great Tutorial man, learned a great deal of stuff in one single video.
Keep Going! I'm going to check out the deepfake tutorial!
Thanks A lot
Amazing! I have been following your tutorials and I got to learn a lot from them. There's a thing I want to implement, Realtime dynamic hand gesture recognition. I couldn't find a suitable source for that one over the internet. Although I could train your traffic signal model for getting a static solution for the same. If You could consider a dynamic project for one of your videos that'd be very helpful.
Thank you . I will look into it.
You my friend, are a legend
Amazing videos. Thank you very much.
Thanks alot Murtaza. Good video.
Amazing bro, I am using all knowledge that u have been sharing. Thanks so much
Glad to hear that
It's gonna be a great tutorial again. Great
Thank you sir. Great tutorial
Thanks alot broo u are perfect ☠️
Great tutorial!
Thank you so much Teacher
wonderful video story and easy to understand without code
makes complete sense. Only a couple other tNice tutorialngs I need to find out before I can actually make it work, but you’ve got more in depth
Great tutorial! Where can I find the image which you are using?
As allways, amazing, clear, thanks again for your work
Thank you! Cheers!
Excelente! Adorei!
esse cara é top d+, ainda bem que conheci o canal dele kk
Good job!
Can you show me how to measure the distance between two things in an image, please?
Excellent..
i am great full to you sir
Mind blown!
awesome job. Thanks so much
You're welcome!
Can we make how to calculate how long based on bounding box? (Just bounding box not object like this? How?
You're awesome!
can this be used for measuring 2metes x 3meters rectangle dimensions if we change reference polygon to 4 x 4 meters instead of A4 paper dimensions. Also what is the accuracy of measurement for this application?
Hello, it's very nice. Your development seems to work very well with square and rectangular objects. Now, what happens if the object doesn't have that shape? For example, a wood shaving, a small piece of paper cut by hand, some shapeless pieces of plastic.
I love your videos and able to write opencv on my resume because of your videos(main contribution).please video on text recognition from scratch sir
Thanks. You can check out the text detection tutorial here czcams.com/video/6DjFscX4I_c/video.html
Hello sir, Can the camera measure circles and triangles and other objects?
Thankyou
hi,nice explanation. may i know.. about 1.png it is live captured or difference image from webcam?
I've reached the last part of the video but I'm left with some sort of a cliffhanger because it's incomplete and since you've shifter to a different website now, I can't access to the original code. I hope you can put the code back :) much appreciated :D
Nice work! Could you add the arrowed line code aswell?
Great tutorial, thanks!!
But how did you convert the values from pixels to mm??
you know how many pixels the 291 * 210 mm of the A4 sheet take --> so you have pixels / mm or vice versa
can you make a opencv tutorial on imagegrab and detecing objects on your computer screen?
Hi.. your videos r very helpful… can you please let me know if we can read 16 bit images in openCV? If so then how?
good
nice
Excellent video! I followed your code step by step and I had no problem, I just have a question. How can I make it work with my computer's webcam? Should I replace everything that has the variable "imgContours2" with the variable "cap"? or simply changing the "webcam" flag from False to True?
Just change the webcam flag
Very nice, how about programming same using C++?
amazing..
Thanx
How about irregular shapes for example rectangle with a peak from 1 side?
Hi sir , i am intrested in your mobile app course , but i have a small question that in scanner , can we learn to scan the items and pay and go like system??
Very good video my friend, but I try it myself and doesn't work well when two objects are touching each other... Do you know how to solve this problem?
hi, I have a question. your program, is soooooo good, but on my computer, they don't give an accurate size, what do I have to do to fix that problem, sir? thank you
Can this be used to measure the distance of an object from the camera?
you have a great tutorial
but when can i get the tutorial if i want make distance detection between camera and object?
Could this be used for measuring people, like arms length, legs length, etc in real time?
Amazing....and very helpful to me...also I have a question on how to measure the 3D model as (heights, width, depth)...if there is a possible way could you tell me how could follow your answers to my question.
thanks in advance
Hi. the 3d object measurement would require depth information which could be achieved with a 3d camera
I love this program, could you please tell me if it will work with clear pieces of glass and how high I can go on the picture. I would like to measure 4 or 5 pieces of clear glass between 12''-35'' x 50''-90'' from 10' of high, do you believe it will work on it?
If you can find the edges of the glass using contours then it can work.
Can it calculate dimension of the object if it is placed in different backgrounds
Would this be usable on farm to measure animal height via cam would it need a set white background and static distance from item and could it knownofnits same cow fir example and add on of it has grown?
Should the refenrence object and other objects should be in same plane?
Can you make a tutorial using Raspberry Pi or Nvidia jetson nano about object detection and trigger a servo with received data. thank you for share.
i'm a rookie on pytho but my thesis is arond this kind of application, do you know if it precise on circles, or do u think it can be applied for precision ?
*hello sir can you make a video on smart glasses with face recognition using ardiuino and displaying the results on mini tft screen*
A very thank to you Murtaza bhai .What is the scale value ? how to calculate it?
Hi its a good tutorial!! Your explanation is so detail. Can you make a tutorial for object detection and measure distance from camera? It such a helpful for me. Thank you in advance!!!!
Noted
@@murtazasworkshop thank you for notice me!!!! Its a good help if u can do the tutorial for video not for image 😊
Murtaza what if i want to measure big objects lets say 750 mm square object....what limitations are there for big objects can we measure flawlessly
Bro please help me i am getting error at the last part the you've pasted it's not visible clearly please give us full screen view and thank you for this
Kindly help. My final output is scaling down (even without dividing by scale variable). Why does that happen?
wonder what your dev machine configurations are. Mine it's a core i5/16GB ram and it takes more than 3-4 mins to run the program where as yours runs instantly :D
I have a question, how if I only want to measure a single line?
I am following this tutorial but when I try to run it I get the error of "append() takes exactly one argument (5 given)" (this line was written right around the 20 minute mark) - can anyone help?
Can i use this for measuring size of fruits?
What are system requirement for this project.
God Blessing
What is the way to add the image path to the pycharm file, such as Image 1.jpg, to video
Hi Sir
what will be the objective and scope of the topic can u plzz say??
Can we measure dimensions of a complicated object..like a rectangle and many small circles inside that rectangle?
I have the same question
Hi, amazing tutorial as always. I have a question, does it only work with the image taken from above the object (or 90 degree angle)?
Thanks for this lesson..
ya if we use top view image then it works fine..else for some angular view, we use 'warpPerspective'
Hi i want to know convert pixel distance to cm distance like i use human pose estimation and get distance between right and left shoulder in pixels how to convert that to cm thanks in advance
Can this method work for the height of a network tower using the camera
any offer for all your courses?
can you please make a video about distance between an object and camera
please i want to calculate the diameter of an orange or an apple in a picture, how i will do it
Hello Murtaza sir, I needed your help in one of our research project on object detection and its distance calculation. Can you plz reply on this comment so as to where to contact you regarding the same
please tell the points in which you have put text 'cm', it is not visible in the video
Bro. If the object is for example an image of a person. Can this still tell the measurements?
There are some android applications available doing the same thing?
🔥🔥🔥
47:20 - findDis(). In case you are looking for this function specifically
As shown in the starting of the video, how to do it in real time? Like you showed us how to do it with images. How to do it in a real time video?
Can we check our hand dimensions in it ?
can you help me to make a opencv project. in that I make a project in which I will measure the body measurements like chest width, height and biceps etc
he is gooooooood
Hi Murtaza,
Are you reuploading this,i already saw this video on your channel weeks ago.
Yes, i had some complains about the audio. so fixed it and re-uploaded.
@@murtazasworkshop how to contact u?
Hi, I am working to measure the height of candle flames, could you please help me
i am making my final year project in which a user will upload image of his land and then according to that image the opencv will measure the land size.
I have followed your tutorial but i am not getting desired results.
Can you tell me what should i do ?
Any suggestions would be helpful
Hi. Where you successful in getting the results? Coz I'm working on a project similar to yours
@@Bujji-TheCat Yes Somehow i was available to complete my final year project.
@@Bujji-TheCat Yes I can but as you know that it took a lot of time and effort to make this project , it would be great if you pay me some amount then afterwards i can send you complete code of this project.
Can anyone tell me why we are calculating perimeter under area?
And what is filter ?
how to use mobile camera instead of laptop camera for image processing
why did you use white background instead other color or video background ?
I got such an error while writing the code 'module' cv2.cv2 'does not have attribute' ContourArea '
'why could it be