Cv2 imshow resize window
Cv2 imshow resize window. Nov 25, 2014 · Is there some way to ask the user for input and then based on the user input, readjust the window in imshow()? Right now, imshow() refuses to show the actual window until I use cv2. Aug 17, 2017 · When you show the resized image with imshow() it shows the image on-screen and change showing window size according to an image pixel. resize() function. imshow('frame',gray) if cv2. WINDOW_NORMAL,表示您可以调整窗口大小。示例代码如下: cv2. though I am trying to make an image resizing tool. imshow("Contours", img) cv2. cvtColor(image, cv2. How can I set the size of an window (in px or something like that)? May 10, 2012 · If you don't give an aspect argument to imshow, it will use the value for image. WINDOW_NORMAL) # [] cv2. resize() and how to use this function to resize a given image. Try to resize the image by: dimensions = (400,800) image= cv2. Jul 26, 2024 · OpenCV-Python is a library of Python bindings designed to solve computer vision problems. resizeWindow(window_name, width, height) Parameters: Jan 22, 2016 · You need to implicitly create the window with the WINDOW_NORMAL flag. waitKey(0) # cv2. namedWindow("image",cv2. destroyAllWindows() to close Apr 21, 2018 · I didnt understand your question but if u want to open video camera u can try this code: import numpy as np import cv2 cap = cv2. Sep 26, 2018 · そこでcv2. if i'm using the Pillow (plt) the image is presented, just like matlab imshow, without resample it. Apr 12, 2020 · For future reference: Fixed the first part of the question with this function: import cv2 import numpy as np def resizeAndPad(img, size, padColor=0): h, w = img. pip install opencv-python-headless However, some methods like imshow() kept failing: cv2. array(image), cv2. WINDOW_AUTOSIZE fix the window dimentions , so the image will fill the screen if too big. COLOR_BGR2GRAY) # Make the grey scale image have three channels grey_3_channel = cv2. We then create a named window using cv2. 1) C:\projects\opencv-python\opencv\modules\highgui\src\window. How to use cv2. imshow('Amanda', img) # T0 load and hold the image cv. VideoCapture(0) # Define the codec and create VideoWriter object fourcc = cv2. To resize an already existent window, you have to disable this flag: Yes, unfortunately you can't manually resize a nameWindow window without Qt backend. COLOR_BGR2GRAY) cv2. Here is code: import cv2 import numpy as np image = cv2. Sep 15, 2019 · For a very large image, cv2. namedWindow('image',WINDOW_NORMAL) you ca then resize it using e. cvtColor(frame, cv2. wa Jun 2, 2020 · I am making a rock paper scissors game using tensorflow in which the user can play with the computer through the webcam but the webcam image is too small like this : screenshot Here is the snippet # let's start with the Imports import cv2 import numpy as np # Read the image using imread function image = cv2. – Thus, colab users need to import cv2_imshow for displaying images. jpg',0) # The function cv2. Feb 23, 2021 · 圖片太大無法完全顯示在螢幕上 我知道有兩種方法 1. I am having trouble with cv2. Your options: use cv2. Oct 16, 2019 · When cv2. jpgがdataフォルダに入っていた場合の読み込み方法。cv2. 0, (640,480)) while(cap. Here’s an example: Jan 1, 2022 · I use the fullscreen property to expand the window to all the screen, but the displayed picture in this window still keep its original dimension. 25) #rem it out if u want smaller size grey = cv2. png', 0) resized = cv2. waitKey(30) & 0xFF == ord('q'): break else: break cap. COLOR Dec 21, 2021 · Here is a minimal example of opening a video in a tkinter window with OpenCV's VideoCapture object: from tkinter import NW, Tk, Canvas, PhotoImage import cv2 def Nov 29, 2017 · OpenCVで表示したウィンドウの位置変更方法。ちょいちょい忘れるため、投稿。。。ソースコードは以下。 cv2. x or Cocoa support. 3. Here is my code import numpy as np import cv2 Jan 23, 2016 · import cv2 # read image image = cv2. isOpened()): ret, frame = cap. I corrected for u from eshirima 's code as above. sleep(1) set cv2. #!/usr/bin/env python import cv2 import numpy WindowName="Main View" view_window = cv2. resizeはリサイズするために二つの方法が含んでいます。 Nov 28, 2017 · I am trying to select a Region of Interest using cv2. namedWindow()というメソッドがあるのですが、これに先ほどのフラグをcv2. imshow('image',img) cv2. moveWindow() to move the window to a specific position on the screen, in this case, (100, 100) pixels from the top-left Mar 24, 2020 · How to resize the window obtained from cv2. jpg') cv2. Get a build of OpenCV with fancy Qt-enhanced imshow, which implements panning and zooming. namedWindow("Contours", cv2. resize(image, (width, height)) What are the parameters for resizing images in OpenCV? Jan 1, 2018 · # take a screenshot of the screen and store it in memory, then # convert the PIL/Pillow image to an OpenCV compatible NumPy array # and finally write the image to disk image = pyautogui. Another Problem with this solution: the window gets generated on a random place and if I want to move that, after the next update the new window is created at the old position again. namedWindow() function, followed by setting the window property with cv2. setWindowProperty("Window_name", cv2. With namedWindow("name", Apr 24, 2019 · 概要OpenCVの基本操作を備忘録としてメモします。画像の読み込みと表示Lena. imshow()makes the window larger than the screen. jpg")) # Wait for the user to press the 'q' key to exit cv2. the question is: how to repeatedly show images, and have them be displayed successively, in the same place, in a colab notebook. img_grayscale = cv2. Apr 24, 2017 · I think it depends on the IDE + path of the image location issues. Feb 24, 2016 · Sometimes the image size is high enough for imshow(). 5 on Windows and installed numpy, matplotlib and OpenCV from that repository. imshow() command in a endless Loop and I want to manipulate the window position because the window is always on the top of my display and a small part is invisable. If a window is not created already, a new window will be created to fit the image. cvtColor(np. waitKey(0) It should show the saliencyMap inside ". I can mouse drag one to the side of the other. shape[:2] sh, sw = size # interpolation method if h > sh or w > sw: # shrinking image interp = cv2. Mar 6, 2024 · If an image is too large, you can resize the window using the cv2. Nov 23, 2022 · How to resize the window obtained from cv2. Mar 6, 2024 · The script will wait indefinitely due to cv2. VideoWriter('output. resize(image, (100, 100)) and then displayed cv2_imshow(im1) So basically here the "image" is your image that you want to visualize larger. resize function in OpenCV. imshow('image window', image) # add wait key. If the key pressed is 'q' (ASCII value 113 # import the cv2 library import cv2 # The function cv2. read() if ret == True: gray = cv2. If you resize the window like any other windows in your computer, by position the mouse over the edge of the window you want to resize and then drag the mouse to the position you want. jpg',1) #changed image format to jpg cv2. The window automatically fits to the image size. But if you specify flag to be cv2. Mar 8, 2014 · cv2. imshow('image', img) cv2. read() if ret == True: cv2. If an image is too large, you can resize the window using the cv2. How to resize the window obtained from cv2 Feb 27, 2022 · 11年のR&D経験、会計士からアルゴリズムエンジニアに転身、C#、C++、Java、アンドロイド、PHP、GO、JS、パイソン、CNNニューラルネットワーク、4千以上のブログ記事、3千以上のオリジナル、ただあなたと共有するために、一緒に成長、一緒に進歩、私に従って、あなたにもっと乾いた知識を共有し OpenCV Resize Image - We learn the syntax of cv2. To resize an already existent window, you have to disable this flag: Jan 3, 2023 · resizeWindow() method in Python OpenCV is used to resize window displaying images/videos to a specific size. Without it, you can’t really think of interacting with a GUI. VideoCapture('video-2. mp4') while True: ret, frame = cap. waitKey(1000) Feb 10, 2023 · ・img: ndarray ・Size: (w,h) サイズの大きさ ・fx x方法の倍率 ・fy y方法の倍率 ・interpolation: リサイズの処理方法. WND_PROP_FULLSCREEN) and cv2. WINDOW_FULLSCREEN) in the code mattered a lot, I ended up moving it just above the imshow and could finally hide the title bar. nameWindow('視窗名', 'flags') flags Aug 19, 2021 · Just say: cv. VideoWriter_fourcc(*'XVID') out = cv2. VideoCapture('video1. For me it worked when i just changed jpeg to jpg. INTER_LINEAR) # let's upscale the Jun 1, 2023 · In this example, we first load an image using cv2. 78 Make sure you add a delay before reading the next frame. imshow("image 2", my_image_2) cv2. 8. I would like the displayed image to expand on all the avalaible space even if ratio is not respected. How do I set the window size of VideoCapture? 1. resizeWindow, each image will be displayed in a window according to the image size. waitKey(0), at which point I can't ask for user input until the window is destroyed. It will be helpful when image is too large in dimension and adding track bar to windows. imread(image. 4). imread(object1. imshow('graycsale image',img_grayscale) # waitKey() waits for a key press to close the window and 0 specifies indefinite loop cv2. imshow() creates a new window, it passes the flag cv::WINDOW_AUTOSIZE, preventing resize. resize(image, down_points, interpolation= cv2. imshow() method is used to display an image in a window. import cv2 # Load the image image = cv2. I expe May 14, 2015 · Then i have transformed the above code like this to add the track bar functionality to resize the frame. Thanks. resize (v4 May 25, 2018 · In Ubuntu, OpenCV's imshow function has a window where different options such as zoom in, zoom out, pan window, etc, are available, like this: However, in Windows, these features are absent. destoryAllWindows() Apr 14, 2021 · I solved this problem by using im1=cv2. namedWindow("img", cv2. This function takes an image and resizes it to the specified dimensions. imshow(). imshow("image 1", my_image_1) cv2. imshow(window_name, image) where window_name is the title of the window in which the image numpy. A dataset with diverse image sizes and dimensions is beneficial in understanding the function and effects of the cv2. Currently, the video feed will freeze when minimized. import cv2 as cv def zoom(img, zoom_factor=2): return cv. Feb 16, 2014 · I'm using opencv 2. selectROI() by using a namedWindow("name",WINDOW_AUTOSIZE) But when I select the ROI I cannot visualize the box. resize(image, (0, 0), None, . WINDOW_NORMAL, which allows us to resize the window. It helped me to add another line to the above code. imread("image. destroyAllWindows() May 20, 2022 · Created a new window and set the window's property to full screen using OpenCV*: import cv2 cv2. imshow () to display an image in a window. imread() is used to read an image. Oct 16, 2019 · When cv2. I am trying to resize an image using the resize function provided but after resizing the image is very distorted. jpg, 1) Nov 19, 2020 · If you remove the line cv2. imshow('frame',frame) if cv2. You want something that will display the image as part of the notebook (on the client side), not to run a GUI window on the server side -- that might kinda "work" when the client and server are on the same machine, but that's about it. imread('test. imread('kuju. waitkey() cv2. Also if you want to show each image for 1 second, instead of time. destroyAllWwindows() when I run attribute imread is not working. cpp:636: error: (-2) The function is not implemented. WINDOW_NORMAL) # These two lines will force your "Main View" window to be on top with focus. jpg') # Resize the image resized_image = cv2. . WINDOW_AUTOSIZE) # Show the image, note that the name of the output window must be same cv. Dec 13, 2020 · you already know about flags to namedWindow (WINDOW_NORMAL to make it resizable), so I assume that doesn't solve your problem to your satisfaction. imwrite("in_memory_to_disk. imshow("img", imgx) Edit: Christoph Rackwitz is right, no need to call cv2. Then May 13, 2016 · I build a python module that calls an IP Camera, but when I try to close the window generated by cv2 the window is generated again and again in an infinite loop. 1. The mouse pointer is a key component in a Graphical User Interface (GUI). How can I set the size of an window (in px or something like that)? Hi, the following code produces a window, that is a little bit to large for my taste. resizeWindow('image', 600,600) (this should give a 10x demagnification of your image). Use the function cv2. imshow("My Window", cv2. Try cv2. namedWindow() with the name "Image" and the flag cv2. but imshow shows the image with big scales so that I can see the image's pixels(as shown in the image below) as you see pixels are too big. WINDOW_NORMAL',img) cv2. cv2. my problem is that i don't have the knowledge to edit the cv2. So the commands will be like: Jupyter Notebook: cv2. Jan 3, 2023 · resizeWindow() method in Python OpenCV is used to resize window displaying images/videos to a specific size. You can create as many windows as you wish, but with different window names. destroyAllWindows(): If you have multiple windows open and you do not need those to be open, you can use cv2. imreadで対象の画像を読み込む。cv2… Jun 10, 2018 · since i used cv2. namedWindow. The mouse cursor showing i can resize the windows, but it actually can't. namedWindow(WindowName,cv2. May 23, 2023 · import cv2 # Create a window with the name "My Window" and a size of (300, 300) cv2. The default for this value in a new matplotlibrc is equal. I have just done a clean install of Python 3. waitKey(0) # and finally destroy/close all open windows cv2. jpg') # I just resized the image to a quarter of its original size #image = cv2. imshow(): displays an image in a window; cv2. Is there a way to make it fit to the screen? I use Mac OS X. window waits until user presses a key cv2. WINDOW_GUI_EXPANDED) However, running this does not seem to make a difference, and I don't see any buttons on the gui window I create. imread('C:/Python27/ Feb 26, 2021 · I had a similar issue so I installed opencv-python-headless (install opencv-python if not earlier) and reloaded the VScode window. Mar 8, 2014 · # First line will provide resizing ability to the window cv. imshow('Original Image', image) # let's downscale the image using new width and height down_width = 300 down_height = 200 down_points = (down_width, down_height) resized_down = cv2. namedWindow("Window_name", cv2. The function waits for specified milliseconds for any keyboard event. Aug 9, 2024 · To resize an image using OpenCV, you use the cv2. imread('Test. the Qt-enhanced variant of imshow has given me some trouble when I needed to react to mouse events, so that can affect selectROI. resize(img, None, fx=zoom_factor, fy=zoom_factor) Jun 7, 2019 · Your issue looks very similar to other questions posted here Try to take a look on this one and see if it can helps you: similar question Basically you must check if : Oct 1, 2019 · I am trying to show an image. namedWindow("My Window", cv2. WINDOW_NORMAL) I was able to resize my window while running but I also want to print the new window size. To display an image using opencv cv2 library, you can use cv2. By default, the flag is cv2. waitKey(1) to wait for a key press. Method 2: Resizing the Display Window. The cv2. png", image) In that case, you can specify whether window is resizable or not. WINDOW_FREERATIO) Can you help me please?, or give me more ideas. Remove OpenCV image size limitation. 0. destroyAllWindows() Jan 15, 2015 · I have the same problem, fix the ret in capture video. So it just crashes the window. WINDOW_NORMAL option works correctly but the first time it displays the window in an standard size. WINDOW_NORMAL which gives you the ability to change the window size. Code : import cv2 file = "/home/ Dec 24, 2018 · Hi, thank you for your comment. resize関数を使います。 拡大・縮小のいずれも対応していて、補間方法を選択することも可能です。 変更するサイズの指定方法は縦横のサイズを指定する方法と縦横の倍率を指定する2通りの方法があります。 May 29, 2024 · 在cv2库中,您可以使用cv2. imread('image. My aim is to have a full screen window containing the loaded image at its center. Add the WINDOW_OPENGL flag if you want the window to use linear interpolation (which may or may not be gamma-aware). imshow('img', image) located at the bottom of the code, the size of the output exceeds my screen. 4. resize(image, dimensions, interpolation = cv2. This only works for created windows having flags other than CV_WINDOW_AUTOSIZE. Nov 11, 2017 · I am running Anaconda install of python35 with cv2 install from menpo. import cv2 # Capture video from file cap = cv2. In python IDLE you can directly run file from same folder where picture is there Jan 8, 2013 · WINDOW_NORMAL or WINDOW_AUTOSIZE: WINDOW_NORMAL enables you to resize the window, whereas WINDOW_AUTOSIZE adjusts automatically the window size to fit the displayed image (see imshow ), and you cannot change the window size manually. screenshot() image = cv2. resize() function to upscale, downscale, or resize to a desired size (considering or not considering the aspect ratio). imshow('cv2. 7 The following simple code created a window of the correct name, but its content is just blank and doesn't show the image: import cv2 img=cv2. i've trouble with using resize function because i don't want to lose any information in the image. imshow('normal', img1) In both of them (Mac and Linux) I have installed Qt, so the issue in this post is not relevant to my case I can resize the window in both, but when I am resizing window in Mac the image inside window is not resizing. You can always increase the size (change 100* 100 to something greater) Feb 22, 2023 · 画像のサイズ変更はcv2. resizeWindow with the dimensions of the image that I want to display, the window doesn't get resized properly. second argument is our image. The window automatically fits the image size. for this purpose I am using python3. imshow() inconsistently placing the image window outside of the viewable screen when running code Jul 18, 2019 · of the currently given three answers, one just repeats to use cv2_imshow given by colab, which OP already knows, and the other two just embed video files in the HTML, which wasn't the question. 8. x and opencv2. Rebuild the library with Windows, GTK+ 2. when you open the image with image viewer it open image in fixed window size and window size don't depend on image pixel Dec 3, 2015 · cv2. Display an image ¶. namedWindow(window_name, cv2. toPlainText()) roi = cv2. Jan 20, 2021 · Scaling, or simply resizing, is the process of increasing or decreasing the size of an image in terms of width and height. Reload to refresh your session. namedWindow("thewindow", cv. imshow() is used to display an image in a window. Jun 29, 2023 · Try to upgrade the opencv-python. WINDOW_AUTOSIZE. Anyone who could help? Update: This is not the full code but it's something like this Dec 17, 2015 · I had a case where the image on the Raspberry Pi was not displayed in full screen, but only at the top in a fixed size. waitKey(0) In this example, we first import the OpenCV library using import cv2. May 16, 2021 · I have a small python script using cv2 to capture the first face detected and display that region only in a cv2 window. You switched accounts on another tab or window. error: OpenCV(3. g. guy 4 days ago · WINDOW_NORMAL or WINDOW_AUTOSIZE: WINDOW_NORMAL enables you to resize the window, whereas WINDOW_AUTOSIZE adjusts automatically the window size to fit the displayed image (see imshow ), and you cannot change the window size manually. import numpy as np import cv2 img=cv2. imshow("window name", img) According to documentation there are 3 attributes for window displaying ( WINDOW_NORMAL , WINDOW_AUTOSIZE and WINDOW_OPENGL ), but with the following simple snippet you can determine your actually supported values (in my version I see WINDOW_FREERATIO , WINDOW Jul 26, 2023 · You signed in with another tab or window. pip3 install --upgrade opencv-python==4. imshow() function. Exiting the Loop. 4 days ago · WINDOW_NORMAL or WINDOW_AUTOSIZE: WINDOW_NORMAL enables you to resize the window, whereas WINDOW_AUTOSIZE adjusts automatically the window size to fit the displayed image (see imshow ), and you cannot change the window size manually. wa Jun 17, 2022 · im = cv2. namedWindow('image',cv2. Try this, may be it will work . It is sufficient to always use the same name of the window. May 5, 2016 · I tried killing the window right before updating (or in this case creating a new window again). waitKey(): is a keyboard binding function. WINDOW_NORMALに指定すると、基本的にはサイズが変更可能になり、同時にウィンドウの位置固定も解除され、スケールも可能になります。 I am trying to make a window full screen keeping its aspect ratio by the following code: cvNamedWindow(win_title, CV_WINDOW_NORMAL); cvSetWindowProperty(win_title, CV_WND_PROP_FULLSCREEN, CV_WINDOW_FULLSCREEN); cvSetWindowProperty(win_title, CV_WND_PROP_ASPECTRATIO, CV_WINDOW_KEEPRATIO); but it does not keep the aspect ratio when it comes to full screen. namedWindow("main", CV_WINDOW_NORMAL) Feb 3, 2016 · The cv2. Apr 3, 2019 · 在cv2库中,您可以使用cv2. release() cv2. imshow doesn't really make sense in a client/server environment like Jupyter. We use cv2. resize function to resize the image to desired size prior to displaying the image; install OpenCV with Qt backend support and use cv2. waitKey(0) The caveat is that both windows are in the exact same spot on the screen, so it only looks like one window opened up (Ubuntu 14. Jan 3, 2023 · cv2. Sep 15, 2017 · cv. 創建一個window 然後 resize Window *注意 cv2. WINDOW_FULLSCREEN) Image was displayed in full screen but maintained in its original size: img = cv2. 1. namedWindow('Frame', cv2. WINDOW_SIZE_FULLSCREEN) # Display the window cv2. import numpy as np import cv2 I see it is possible to resize window with OpenCV, for example: import cv2 img = cv2. WINDOW Apr 14, 2013 · Note: Qt backend supports additional flags: CV_WINDOW_NORMAL or CV_WINDOW_AUTOSIZE: CV_WINDOW_NORMAL enables you to resize the window, whereas CV_WINDOW_AUTOSIZE adjusts automatically the window size to fit the displayed image (see imshow() ), and you cannot change the window size manually. WINDOW_AUTOSIZE) cv2. I read that this can be done by adding a flag that enables an expanded gui display. WND_PROP_FULLSCREEN, cv2. destroyAllWindows() I think your job is done then May 11, 2011 · I found that all I needed to do was set my main window to fullscreen then back to normal. destroyAllWindows() Oct 18, 2017 · I'm updating the cv2. INTER_CUBIC # aspect ratio of image aspect = w/h # if on Python 2, you might need to Jun 10, 2018 · import cv2 import numpy as np img=cv2. Some GUI backends normally use nearest neighbor "interpolation" (win32 for example). imshow(output, saliencyMap) cv2. imshow("window", resized ) Aug 2, 2023 · I am using namedWindow() function in my code to resize the image's window. I found that the location of cv2. imshow()? 5. namedWindow('normal', cv2. It is strange to me that I don't have this problem in Ubuntu. import cv2 import sys import scipy. imread('C:\Users\Pravin\Desktop\a. How to fit image size to screen with cv2. The Problem The Notebook it is not usually happy to accommodate the window created by imshow. imshow()? 0. cvtColor Jan 18, 2021 · I'm currently using opencv-python to create an image viewer with drawing possibilities. 25, . imread('myimage. namedWindow()函数来调整cv2. ndarray will be shown. read() if ret: gray = cv2. setWindowProperty(window_name, cv2. COLOR_RGB2BGR) cv2. First argument is a window name which is a string. Its argument is the time in milliseconds. selectROI(im) Then I found a way to crop the image using nameWindow and drawing a rectangle, but I have the same issue, I cant show scrollbars. a proper solution requires IPython calls. imshow()窗口的大小。该函数的第一个参数是窗口的名称,第二个参数是可选的标志,如cv2. namedWindow('Amanda', cv. INTER_AREA else: # stretching image interp = cv2. It is done with the function cv2. Sep 19, 2015 · Use the prebuilt windows packages distributed by Gohlke. output = cv2. you'll have to try. Apr 1, 2022 · You must make a named windows at the beginning, and then use it: cv2. after the save you maybe only use imread without namedWindow! (there isn't any other clear explanation) Jul 14, 2020 · This simple piece of code is not working. error: (-2:Unspecified error) The function is not implemented. imread(). WINDOW_NORMAL, you can resize window. The syntax of imshow() function is given below. Imshow. We can use cv2. so far now I am able to resize an image by Jan 11, 2019 · In OpenCV-Python when I create a namedWindow using cv2. avi',fourcc, 20. WINDOW_NORMAL) (before corresponding imshow calls) That makes the window resizable. Everything works great. We then use cv2. Unable to resize image with cv2. namedWindow("Output", cv2. Jul 30, 2023 · We display the merged frame in a window named “Merged Video” using cv2. and it is not nice. cvtColor(src=frame, code=cv2. Waitkey(10000) cv2. namedWindow("window name", cv2. waitKey(0) until a key is pressed before it finally closes all windows. waitKey(0) # To close the window after the required kill value was provided cv. imshow() Google Colab: cv2_imshow() Now, just displaying the image often leads to crashing. import numpy as np import cv2 # Capture video from file cap = cv2. imshow('window name', frame) # Window位置の変… I have a little snippet I used a while ago that I can't currently test so let me know if it actually works or not. aspect in your matplotlibrc. Syntax: cv2. You signed out in another tab or window. 2, python 2. INTER_AREA) cv2. So, let’s dive in and get introduced to the built-in functions for the mouse and trackbar in OpenCV. destroyAllWindows() simply destroys all the Jun 20, 2017 · I am using python 3 and latest version of openCV. selectROI function display. The result is instead of turning grey it just stays blank white. namedWindow(). avi') while True: ret, frame = cap. WINDOW_NORMAL, which allows for window resizing. jpg',1) cv2. The specified window size is for images excluding toolbars. Mar 4, 2018 · Sorry it stemed from my own frustration with tkinter haha. Mar 20, 2013 · Hi, the following code produces a window, that is a little bit to large for my taste. namedWindow('img',cv2. WINDOW_NORMAL) cv2. Jul 24, 2022 · When I run the cv2. | You already use the imshow function from matplotlib (not numpy as you seem to May 10, 2020 · I need to be able to zoom in and out of an image I show using cv2. misc import scipy def Jan 1, 2018 · cv2. So imshow will plot your array with equal aspect ratio. I have a particular case where I need to deploy my OpenCV code on Windows, where the user needs to zoom into parts of the image. May 12, 2018 · I am new to python and computer vision programming. imread('path to your image') # show the image, provide window name first cv2. rljsc vkbz jlzyi fzq cpkbl fmbyelwl nbz igkhv ercstftg fdail