Opencv write image to file

Opencv write image to file. face_file_name = "te. resize(img, None, fx=0. For simple video outputs you can use the OpenCV built-in cv::VideoWriter class, designed for this. pic (always supported) Raster and Vector geospatial data supported by GDAL (see the Note section) OpenCV: Image file reading and writing; 他のバージョンは以下を参照。 OpenCV 3. Converting Between Color Spaces Jan 3, 2013 · I'm trying to convert image from PIL to OpenCV format. I try them in many format like CV_8UC3 and CV_UC1 gray images. In the function, specify a path you wish to write to & have permission to do so with. Otherwise go for Numpy indexing. . Learn how to create videos from image arrays using Python and OpenCV, focusing on timelapses. Nov 16, 2021 · To write the images you need to convert the output into the right format (assuming outputs are in the 0,1 range): How to save OpenCV image with contour. Sep 25, 2015 · Hello, I am having trouble writing a raw image from a Mat. uint32) print img. This article describes the following contents. I want to write this matrix to a file which could be opened in Notepad or Microsoft Word or Excel to see the values insid Reading and writing videos in OpenCV is very similar to reading and writing images. Setting up OpenCV, using argparse for input parameters, and processing images in batches. But if you have cv2. In this post, I will share how to convert Numpy image or PIL Image object to binary data without saving the underlying image to disk. In order to write a text file using C++, you could use the class ofstream. But the problem is when I save it as image format (JPG for example) using imwrite function, it's totally black. ttf", 50) # Draw the text draw. jpg') directory = r'C:U Aug 12, 2024 · What is the Method Used to Read Image in OpenCV Library? The method used to read an image in the OpenCV library is cv2. No saving to disk. ZIP_DEFLATED) z i am trying to create an image file using opencv in python. imread will convert a 16 bit, three channel image in a. This will save the image according to the specified format in current working directory. Therefore, in your loop with newframes, don't even use a new list. imread('image. png', image) use the openCV method imwrite (that writes an image to a disk) and write an image using the data in the temporary data variable Dec 4, 2020 · cv2. This function writes compressed, true-color (4 bytes per pixel) RGBA PNG's. Key steps include configuring the VideoWriter object, iterating over images to build the video, and tips for efficient memory use. cvtColor(image, cv2. imread(filename) img = cv2. As first input, this function receives the path where to save the image and as second it receives the image. PGM for greyscale or PPM for colour - especially as OpenCV can read/write that without any library dependencies. Only 8-bit (or 16-bit in case of PNG, JPEG 2000, and TIFF) single-channel or 3-channel (with ‘BGR’ channel order) images can be saved using this function. The script runs without any errors, but I cannot find the image being written to that directory, w Jan 8, 2013 · As a first step, we read the image "starry_night. avi',fourcc, 20. I am finding a way to write keypoints of a image in to a file which we can get back for matching purpose. Jul 26, 2024 · cv2. read() im = cv2. 4 days ago · The function haveImageWriter checks if OpenCV is capable of writing images with the specified file extension. The data is compressed much more and the writing to disk is faster. read(); cv2. jpg') I should now be in the same position as you, with an image in my variable im. Currently, I have them in a different, non-standard format, and I know how to get them into OpenCV's containers. 0: Image file reading and writing Jun 24, 2018 · To test the code, simply run it on the Python environment of your choice, changing the file paths to the images you want to read and write in your computer. import cv2 import numpy as np # Generate dummy gradient with float values arr = np. 1. uint8), 1 ) ret, im_thresh May 1, 2013 · I have a matrix, Mat B(480,640,CV_32FC1); containing floating-point values. I want to save pixel values such as: (245. I wish there was a way to verify the codec so that my code is more safely portable with regard to codec availability. I can now encode the image to a memory buffer, and write that memory buffer to disk without extension: success, buffer = cv2. GaussianBlur(gray, (3, 3), 0) edged = cv2. Jul 9, 2013 · I want to save a floating point one-channel image and I don't want to convert it. Additionally, I am adding these images within the loop(one image written to file per iteration of while loop) VS writing all the images at one time at the end of the code. hpp> Imwrite PNG specific flags used to tune the compression algorithm. the documentation: Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Here we can see the output video being played in QuickTime, with the original image in the top-left corner, the Red channel visualization in the top-right, the Blue channel in the bottom-left, and finally the Green channel in the bottom-right corner. Both packages convert float pixel data to integer before writing them to the file. copyMakeBorder(). Any transparency is ignored (default). I'm using OpenCV 2. If you don't convert the type, you have a floating point image with values [0,255], hence the two functions have different behavior. Jan 9, 2022 · I am using Opencvsharp from shimat for building an application. AlgorithmStep 1: Import cv2 Step 2: Read the image using opencv. IMREAD_COLOR: Loads a color image. imshow() displays an image in a window. asarray(bytearray(im_data), dtype=np. jpg, . Jul 16, 2015 · The following function can be dropped into your code to support writing out jpg images for debugging purposes. I have also added the code to resize and view the opencv image. imdecode( np. Nov 11, 2014 · "The function imwrite saves the image to the specified file. VideoWriter_fourcc(*'XVID') out = cv2. The function imwrite saves the image to the specified file. png, . import cv2; if __name__ == "__main__": camera = cv2. The second argument is optional and specifies the format in which we want the image. Firstly, I captured an image(640*480) from the camera and save the data to a file Jun 20, 2017 · I have the following script where I'm trying to read and image and save (write) it to a directory. – May 13, 2018 · I want to save floating-point numbers as pixels in an image file. 18788, 98. In the mean time I managed to also solve the problem using cv2. savefig("yourNewImage. imshow(img) plt. Jan 4, 2023 · We know OpenCV is widely used to operate on images and has a wide spectrum of functions to do so. Aug 29, 2017 · I used the following page from OpenCV 3. The image format is chosen based on the filename extension (see imread() for the list of extensions). I am currently working in OpenCV-python, but I had also tried it with Pillow (PIL). write(img) cv2 CV2 package has imwrite() function that saves an image object to a specified file. Mar 28, 2015 · On my system, only 'DIVX' works whereas the encoding given included on the opencv documentation examples, namely 'M', 'J', 'P', 'G', just silently writes no file. Dec 17, 2017 · Once that is done, OpenCV will create the right FourCC code to be input into the VideoWriter constructor so that you will get a VideoWriter instance that represents a VideoWriter that will write that type of video to file. I am concerned this is a dead end question, because cv2. Here are the requirements: The pixels are 1, or 3 bands, U8, U16, U32, or F32; The images have metadata, random stuff, like the camera ID that took the images. There is code in C/C++ to do this, but could not find a way to this by using python. when i am creating it in same folder file is created. imshow("web 2 days ago · As a first step, we read the image "starry_night. avi, but when I checked the size of ouput. VideoWriter('output. Choose compression parameters to fit that size constraint. Mar 27, 2017 · You can read the frames and write them to video in a loop. imwrite() individually. size #check your image size, say 1048576 #shape it accordingly, that is, 1048576=1024*1024 img. com Jan 8, 2013 · The function imwrite saves the image to the specified file. Feb 22, 2016 · Figure 1: Writing to video file with Python and OpenCV. imwrite(face_file_name, image) but when i am trying to create it in another folder like. 'some image processing on the frames': just assume that I want to write the frame into a file in a directory. 7865, 123. 'available frames': suppose that the video has 100 frames, but just 40 of the frames are uploaded, so available frames are the first 40 frames. fromfile("yourImage. For more information about loading an image, you could read Load, Modify, and Save an Image. May 28, 2015 · This is the default code given to save a video captured by camera. isOpened()): ret, frame = cap. imwrite() writes an image into the file directory. With this code: Use cv::imdecode and cv::imencode to read and write an image from/to memory rather than a file. write 3 days ago · #include <opencv2/imgcodecs. OpenCV also allows us to save that operated video for further usage. imread() Write ndarray as an image file with cv2. Images are read as NumPy array ndarray. 5. The following script captures an image from a webcam, encodes it as a JPG image, and then converts that data into a printable base64 encoding which can be used with your JSON: Feb 11, 2019 · The color PNG image file is 3x larger than the gray PNG image; JPEG is working well, ty :) Now, if you read ANY of these images using the default flag, they will be loaded with a shape of (300, 300, 3). VideoWriter. On this link they are extracting images inside bounding boxes when they already have annotated image with rectangular GUI as a input. Thanks The write() method of the Imgcodecs class is used to write an image using OpenCV. I am not even sure it is possible the way I do it since no headers are set. In general, only 8-bit unsigned (CV_8U) single-channel or 3-channel (with 'BGR' channel order) images can be saved using this function, with these exceptions: OpenCV, the largest computer vision library in the world has these three built-in functions, let’s find out what exactly each one does: imread() helps us read an image. Oct 22, 2014 · I am using OpenCV-Python binding to write my image processing application. Jul 29, 2019 · Answers which do so without also telling me at a minimum what file extension to use, what file type it will generate, and why it is expected to work over what I give above are unhelpful. jpg" cv2. @Matthias If you convert your floating point image to unsigned char without modifying the values, then you have a unsigned char image with [0,255] values, hence both functions have the same behavior. 7 documentation The example above uses a video file, but the same is true for a camera stream. flip(frame,0) # write the flipped frame out. With OpenCV, we can perform operations on the input video. jpg" from the OpenCV samples. For saving images, we use cv2. imwrite(filename, img) Oct 27, 2017 · Yes, the code you have shown is for OpenCV 2, with the machine learning stuffs all being moved in OpenCV 3. imwrite() Read and write images in import cv2 # Load image im = cv2. Th The cv::imwrite() function correctly writes an image file if the input cv::Matis in BGR order (which is the case if you let OpenCV create it). x. Apr 29, 2009 · Reasons for not decoding your TIFF image would be (1) the Mat passed in to imgdecode rows*cols was less than 1, (2) TIFF support was not compiled into your OpenCV library or (3) that the TIFF decoder did not recognize your image buffer as a valid TIFF image. The following code opens a video, and saves the 10 first frames into files. jpg",im) buffer. hdr, . >>> from PIL import Image >>> import cv2 as cv May 4, 2016 · The function imwrite saves the image to the specified file. imwrite() method is used to save an image to any storage device. You can use: RGB = cv2. You are supplying a list of images which does not conform to the expected signature. But, for saving a recorded vide Jun 13, 2012 · I'm actually writing Video on OSX without any problems. I want to extract the detected regions into a text file. uint8 before writing image to disk. VideoCapture(0); while True: f,img = camera. Code simply opens camera, saves the image and close it using below code. In OpenCV, a video can be read either by using the feed from a camera connected to a computer or by reading a video file. png") # Convert to PIL Image cv2_im_rgb = cv2. " Dec 28, 2012 · Using @fireant's idea, I wrote up a function to handle overlays. A video is nothing but a series of images that are often referred to as frames. here is what I've attempted till now. split() is a costly operation (in terms of time). So, all you need to do is loop over all the frames in a video sequence, and then process one frame at a time. 15) now I want to write it directly into zip zipf = zipfile. cv. 0+ structures instead of using those deprecated ones. For one you have DataBufferByte, for other you may have DataBufferInt. Aug 3, 2017 · The following code does not work, it converts values to np. Unlike python, any additional libraries in C++ are not required. def write_png(buf, width, height): """ buf: must be bytes or a bytearray in Python3. In order to get pixel intensity value, you have to know the type of an image and the number of channels. 3 days ago · As a first step, we read the image "starry_night. Check the specks of your current device and get an estimate of the maximum size of the images that you can write to it. Here's the code for that: gray = cv2. To understand this tutorial better, please refer to Load & Display Image and Play Video from File or Camera first. imread("lena. In addition, cv2. I want to save them to another folder from direct path. Here we are saving the file name image. Syntax: cv2. I am using OpenCV 2. Dec 2, 2016 · You do not need to save the buffer to a file. imwrite() takes a filename as an argument, and then uses the file extension to infer the image type to write (. zip', 'w', zipfile. the link you provide looks more a rtmp link than a rtsp, usually port 554 is for rtsp and 1935 for rtmp Jan 4, 2016 · read values from the camera object, using it's read method. COLOR_BGR2RGB) pil_im = Image. png") Jul 20, 2015 · The class Mat of the new OpenCV C++ API is preferred over IplImage because it simplifies your code: read more about the class Mat. waitKey(). ) Mat image; VideoCapture capture; VideoWriter out; capture = VideoCapture(-1); image << capture; out. Read and write images in color (BGR) Read an image file with cv2. When I tried to use the example that saves videos, it doesn't work. If you simply want to save a video as a frame-by-frame still image, you can do so with ffmpeg commands, but if you want to do some image processing before saving, Python and OpenCV are useful. Aug 6, 2015 · you create an image in RGBA format with your code, that's no problem. Reading an Image. VideoCapture(0) # Define the codec and create VideoWriter object fourcc = cv2. Canny(blurred, 180, 200) Now I want to write this image to disk in SVG file format. So use it only if necessary. text((0, 0 Sep 8, 2013 · Just an example if you want to save your 'raw' image to 'png' file (each pixel 32 bit, colored image): import numpy as np import matplotlib. imwrite('opencv'+str(i)+'. Apr 17, 2013 · In my project i want to save streaming video. imread function to load an input image from disk, determine the image’s width, height, and number of channels, display the loaded image to our screen, and write the image back out to disk as a different image filetype. 9866) But when I read back the image file I get: Jul 31, 2022 · However, if you do need to take any images of other filetypes and convert them to . If the image file is saved on disk, we can read it directly in binary format with open() method by using the b flag: Aug 11, 2013 · When I try to fwrite an image data, captured from camera with OpenCV, and read them out, things are not getting right. 0. 0 tutorial: Tutorial in docs. tiff, etc. jpg to a location C:/Users/admin/Downloads with a new name saved_image. g. shape = (1024, 1024) plt. imwrite() Read and write images in Jun 24, 2018 · In order to save the converted image, we will use the imwrite function, which allows to save the image to a file. How do I do it? Therefore this tutorial is prepared to explain how to save images and videos to a file with OpenCV C++. Jun 5, 2017 · Reading a Video. If it is too less, video will be very fast and if it is too high, video will be slow (Well, that is how you can display videos in Aug 31, 2021 · I am new to opencv. How to create a video file with OpenCV; What type of video files you can create with OpenCV @RobertCaspary thank you for your comment. If you created the image by yourself, you have to convert the color ordering before, for example by calling as suggested by bamboove cv::cvtColor(in, out, CV_RGB2BGR); if you created an RGB image. Playing video from file is the same as capturing it from camera, just change the camera index to a video file name. avi', fourcc, 1, (width, height)) for j in range(0,5): img = cv2. This may be: IMREAD_COLOR loads the image in the BGR 8-bit 3 days ago · Warning. import cv2 import numpy as np # choose codec according to format needed fourcc = cv2. Here is the source code. imread accepts a flag after the filename ( cv2. This works well for any position argument (including negative positions). Following is your code with a small modification to remove one for loop. pgm': fname = 'Output/{}{}'. The command to save an image with the help of imwrite() function is as follows −. jpg like you've done, then you will not be overwriting example. However, if you proceed as @Miki told you: Feb 6, 2017 · Figure 1: The slow, naive method to read frames from a video file using Python and OpenCV. Here is an example for a single channel grey scale image (type 8UC1) and pixel Jul 31, 2013 · My code to use opencv with python cgi : im_data = form['image']. Here Is What I Have Done/Tried: From PDF to opencv ready array in two lines of code. To write an image, repeat the first three steps from the previous example. This may be: IMREAD_COLOR loads the image in the BGR 8-bit Mar 2, 2016 · It is all because the data type of the different images differ. May 13, 2017 · If you're effectively writing an image sequence, save a video instead. Mar 17, 2021 · How to write an image to a file using OpenCV - In this program, we will write an image or save an image to a file using OpenCV. Oct 18, 2018 · I need to write an OpenCV image that sits in memory to a BytesIO or Tempfile object for use elsewhere. it resonds with 2 values save the 2 data values into two temporary variables called "return_value" and "image" cv2. imwrite(face_file_name, image) Feb 4, 2021 · In this article, we will discuss to open an image using OpenCV (Open Source Computer Vision) in C++. This can be useful for verifying support for a given image format before attempting to save an image. I captured some images from my webcam and saved them. avi, it was zero bytes. VideoWriter('video. In fact, I would go the other way and take the simplest possible format, which doesn't support compression - namely one of the NetPBM formats, e. 4 days ago · Playing Video from file. You can create an new BufferedImage of same size with type 3BYTE_BGR, and then draw the original image into it, then you can construct a Mat from this new one. imread(filename[, flags])) which specifies the colour type of the loaded image cf. imread in OpenCV. 3. In order to do so, a call to the cv::imread function loads the image using the file path specified by the first argument. raw", dtype=np. Mar 21, 2019 · Are you able to see the stream? I mean with imshow instead of saving it to disk? Are you able to create a video with a dummy image, for example an image all red?You should go step by step, first make sure you can connect and retrieve the images, then focus on saving. tofile('ExtensionlessFile') Jan 11, 2017 · The solution provided by ebeneditos works perfectly. When I show the image using imshow function, I can see the output of tan_triggs_preprocessing very clearly, and actually the output lighter, more contrast compares to the source image. I wanted to know if there is any method to save an image at a location without using “imwrite” function directly 4 days ago · Whenever you work with video feeds you may eventually want to save your image processing result in a form of a new video file. 13. imwrite(filename, image)Example Codeimport cv2 import os image = cv2. Let's see how can we do this. Use cv::imdecode and cv::imencode to read and write an image from/to memory rather than a file. Jan 30, 2024 · When you write an image with imwrite() function in OpenCV, you have to make sure the NumPy array is in the format that OpenCV expects, namely, it is a 3-dimensional array of uint8 in row × column × channel in BGR channel order. Jul 27, 2019 · I'm learning OpenCV and Python. Jan 18, 2019 · I have referred: Extract all bounding boxes using OpenCV Python. VideoWriter_fourcc(*'mp4v') video = cv2. # imports from pdf2image import convert_from_path import cv2 import numpy as np # convert PDF to image then to array ready for opencv pages = convert_from_path('sample. imwrite (filename, image) Parameters:filename: A string representing the file name. Please anyone have an idea about this, please share with me & all of us. pyplot as plt img = np. So I decided to use filestorage class to save it but I couldn't quite get how to do it from the documentation. But they are saved by default into the local folder. How to create a video file with OpenCV; What type of video files you can create with OpenCV Jun 18, 2024 · OpenCV is a vast library that helps in providing various functions for image and video operations. Spark notes: The output of the above code will be False in the absence of that specific location. May 24, 2020 · Note that you can save OpenCV images like this, but you must first convert from its BGR order to conventional RGB order first. png') video. using OpenCvSharp; VideoCapture capture; Mat frame; privat Dec 19, 2017 · There is no benefit to using TIFF here - it just complicates things and adds dependencies. The only change seen from a standard C++ program is the inclusion of namespace cv which contains Jul 6, 2019 · But often, what we have got is image in OpenCV (Numpy ndarray) or PIL Image format. imwrite() which saves the image to a specified file location. Draw(pil_im) # Choose a font font = ImageFont. Jan 20, 2021 · In this tutorial, you will learn how to use OpenCV and the cv2. Once you have a frame ready, stored in frm for writing to the file, you can do either: outputVideo << frm; OR Oct 19, 2022 · Reading and Writing Images and Video — OpenCV 2. imread(). As you can see, processing each individual frame of the 31 second video clip takes approximately 47 seconds with a FPS processing rate of 20. imread() Step 3: Save the image using opencv. tif to 8 bit as shown in the question. COLOR_BGR2RGB) or pure Numpy: RGB = BGRimage[,::-1] Keywords: Python, image processing, wand, TIFF, TIF, LZW, compressed, compression, bilevel, bi-level 5 days ago · Format of the file is determined by its extension. Sep 13, 2020 · OpenCV’s imwrite saves images to the file path specified. x, a regular string in Python2. By default cv2. The image format is chosen based on the filename extension (see cv::imread for the list of extensions). imread('testimage. I'm trying to use OpenCV to read/write images for me. def overlay_image_alpha(img, img_overlay, x, y, alpha_mask): """Overlay `img_overlay` onto `img` at (x, y) and blend using `alpha_mask`. 21. imwrite(). array(pages[0]) # opencv code to view image img = cv2. Image Scaling (Using Nearest Neighbour Interpolation): Nearest Neighbour interpolation is the simplest way of interpolation. Also while displaying the frame, use appropriate time for cv. imread() and cv2. COLOR_BGR2GRAY) blurred = cv2. Oct 15, 2022 · OpenEXR Image files - *. And Mar 2, 2021 · import numpy as np import cv2 import os import sys from pathlib import Path if __name__ == "__main__": #get alpha and beta values alpha, beta =2, -420 # get directory path where the images are stored image_dir = "/path/to/image read directory/" # get directory path where you want to save the images output_dir = "/path/to/image write directory/" #iterate through all the files in the image Mar 6, 2018 · I am using OpenCV canny edge detection module to find the contours of an image which gives me a B&W output image. imencode(". 0, (640,480)) while(cap. jpg. fromarray(cv2_im_rgb) draw = ImageDraw. Collection of free online converters, calculators, and tools related to colors, images, documents, maths, physics, and daily used tools. 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 cv2. png when you write example. However, for debugging purposes it's much more convenient to see the actual values. Making Borders for Images (Padding) If you want to create a border around an image, something like a photo frame, you can use cv. file. To write an image, you need to invoke the imwrite() method of the Imgcodecs class. 02) 2 days ago · In the Load, Modify, and Save an Image tutorial you have already learned how to write a matrix to an image file by using the cv::imwrite() function. Oct 15, 2022 · In Python and OpenCV, you can read (load) and write (save) image files with cv2. (Use Mat instead of IplImage/cvMat, use VideoWriter and VideoCapture. Basic operations with images Accessing pixel intensity values. The code and images below show how you can write a matrix out to a csv file, read it back in, resize it and display all three matrix out to windows. The problem is that OpenCV assumes BGR(A) images when saving the image or using openCV methods. png. I have seen plenty of replies for the inverse operation (raw to Mat) but not Mat to raw. read() if ret==True: frame = cv2. imread(str(i) + '. ZipFile('out. The first step towards reading a video file is to create a VideoCapture object. Maybe you can use special libraries (png lib, jpeg lib etc) to save images directly in RGB(A) format, instead. resize expects individual images. Dec 1, 2020 · I have an opencv image: img = cv2. Resize the frame in the loop, then write to disk. This may be: IMREAD_COLOR loads the image in the BGR 8-bit Oct 19, 2022 · This article describes how to capture and save frames from video files such as mp4 and avi as still image files with OpenCV in Python. cv2. Only 8-bit (or 16-bit unsigned (CV_16U) in case of PNG, JPEG 2000, and TIFF) single-channel or 3-channel (with ‘BGR’ channel order) images can be saved using this function. Another suggestion would be to use the new OpenCV 2. Here are the salient details of the system: Operating System: Windows 10 Language: Python 3. Jan 8, 2013 · Whenever you work with video feeds you may eventually want to save your image processing result in a form of a new video file. But what if we want to process the image files without using any external library like OpenCV. ). face_file_name = "test\te. arange(0,10,0. Jan 11, 2018 · My code is meant to loop through an existing video on file frame by frame and add some text to each frame before writing each image frame to a new file, that should be a video. write(image); #include <opencv2/imgcodecs. truetype("Roboto-Regular. Asking for help, clarification, or responding to other answers. jpg, so you'd need to delete example. 4. When the program execution finishes, you should have the gray scale converted image in your file system, at the location you specified in the imwrite function call, as shown in figure 1. exr (see the Note section) Radiance HDR - . However, there are some differences, such as the total number of frames is not set (always 0 ) because the camera is real-time video. cvtColor(BGRimage, cv2. format(export Collection of free online converters, calculators, and tools related to colors, images, documents, maths, physics, and daily used tools. pdf') img = np. Ho May 24, 2009 · Pure Python (2 & 3), a snippet without 3rd party dependencies. It's probably worth having a read over the Transistion Guide. write only writes one frame at a time and you are supplying a list of frames. from PIL import ImageFont, ImageDraw, Image import numpy as np import cv2 image = cv2. These flags will be modify the way of PNG image compression and will be passed to the underlying zlib processing stage. import numpy as np import cv2 cap = cv2. You just need to pass in an image and a filename for it. Provide details and share your research! But avoid …. It displays the content from the webcam, and also creates a file called output. GaussianBlur(img, (5, 5), 0. It requires the path to the image file as an argument and optionally, a flag that specifies the way the image should be read: cv2. Save an Image to a File In this section, you may learn how to save an image loaded from a file. 7, with Anaconda 3 OpenCV: 4. Jul 27, 2019 · OpenCV does not read paths in OS paths or PathLib formats, it reads a string so change your code to: if file_extension == '. See full list on tutorialkart. OpenCV C++ comes with this amazing image container Mat that handles everything for us. gmardfd bnfi gfsr usko zkd xaxd jnm jwlocnwc zssr pvy