OpenCV - Saving images to a particular folder of choice
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systemerror: <built-in function imwrite> returned null without setting an error
cv2 img save
I'm learning OpenCV and Python. I captured some images from my webcam and saved them. But they are being saved by default into the local folder. I want to save them to another folder from direct path. How do I fix it?
The solution provided by ebeneditos works perfectly.
But if you have
cv2.imwrite() in several sections of a large code snippet and you want to change the path where the images get saved, you will have to change the path at every occurrence of
As Soltius stated, here is a better way. Declare a path and pass it as a string into
import cv2 import os img = cv2.imread('1.jpg', 1) path = 'D:/OpenCV/Scripts/Images' cv2.imwrite(os.path.join(path , 'waka.jpg'), img) cv2.waitKey(0)
Now if you want to modify the path, you just have to change the
Edited based on solution provided by Kallz
python - OpenCV, I'm learning OpenCV and Python. I captured some images from my webcam and saved them. But they are being saved by default into the local folder. I want to Is there a better way to rewrite this part in python. It doesnot have to be shorter as long as its much better. thanks in advance count = 1 while count < 10: _, pho = webcam.read() gr =
You can do it with OpenCV's function
import cv2 cv2.imwrite('Path/Image.jpg', image_name)
Load, Modify, and Save an Image, Load, Modify, and Save an Image. Tutorial content has been moved: Getting Started with Images. Generated on Wed Apr 29 2020 03:35:36 for OpenCV by I'm learning OpenCV and Python. I captured some images from my webcam and saved them. But they are being saved by default into the local folder. I want to save them to another folder from direct pa
Thank you everyone. Your ways are perfect. I would like to share another way I used to fix the problem. I used the function
os.chdir(path) to change local directory to path. After which I saved image normally.
Reading and saving image files with Python, OpenCV (imread , file is automatically determined from the file path extension. Bring the picture that you want to save in the webcam frame. Once the object is in the right frame, press the key 's' to save a picture. If you want to quit, just press 'q'. After hitting 's' to save the picture,you will get a view of the saved image which will automatically close in 1.6s and a new image file will be created in the same directory as that of the program.
Answer given by Jeru Luke is working only on Windows systems, if we try on another operating system (Ubuntu) then it runs without error but the image is saved on target location or path.
Not working in Ubuntu and working in Windows
import cv2 img = cv2.imread('1.jpg', 1) path = '/tmp' cv2.imwrite(str(path) + 'waka.jpg',img) cv2.waitKey(0)
I run above code but the image does not save the image on target path. Then I found that the way of adding path is wrong for the general purpose we using OS module to add the path.
import os final_path = os.path.join(path_1,path_2,path_3......)
working in Ubuntu and Windows
import cv2 import os img = cv2.imread('1.jpg', 1) path = 'D:/OpenCV/Scripts/Images' cv2.imwrite(os.path.join(path , 'waka.jpg'),img) cv2.waitKey(0)
that code works fine on both Windows and Ubuntu :)
Getting Started with Images, Python OpenCV: Saving an image to the file system of your choice, changing the file paths to the images you want to read and write in your computer. image in your file system, at the location you specified in the imwrite OpenCv library can be used to perform multiple operations on videos. Let’s try to do something interesting using CV2. Take a video as input and break the video into frame by frame and save those frame. Now, number of operations can be performed on these frames. Like reversing the video file or crop the video etc.
FOR MAC USERS if you are working with open cv
import cv2 cv2.imwrite('path_to_folder/image.jpg',image)
Python OpenCV, Interviews · Competitive Programming · Design Patterns · Multiple Choice Quizzes OpenCV-Python is a library of Python bindings designed to solve computer vision This will save the image according to the specified format in current working directory. Return Value: It returns true if image is saved successfully.
Python OpenCV: Saving an image to the file system – techtutorialsx, I have already seen the question OpenCV - Saving images to a particular folder of choice and from that I have tried this particular code: import cv2 import os img
Python OpenCV, To save image to the local file system, use cv2.imwrite() function of opencv python When working with OpenCV Python, images are stored in numpy ndarray. true which means the file has been successfully written to the path specified.
Saving an image to another folder of my choice (with “~”) using , Learn to read, save & display images in OpenCV using functions To write code, you can use any editor of your choice. The image should be in the same directory. If not, then the full path of the image should be given.
- Please post your erroneous code so we don't guess what's wrong
- And even better practice is declaring your path as a string variable in case you want to change it and you're using a bunch of imwrite()s.
- plus 1 for this insight and not failing to mention it :)