I’m using OpenCV and PIL in Python. I have 96 circles detected with their center coordinates and radios. I need the average RGB from each circles. Each circle has 6000 pixels, so I thinks iterate one to one it is not efficient. How can I extract the average RGB from each circle? I am ready to use any other library
Tag: python-imaging-library
Unable to Load an Image from an URL at TKinter
My goal is to display an JPG image from an URL using tkinter python. This is the stackoverflow link that I used as a reference. But when I try to run the code, I have received a bunch of error such as: KeyError: b’R0l……. AttributeError: ‘PhotoImage’ object has no attribute ‘_PhotoImage__photo’ Does anyone have the solution to this? This is
Convert PIL Image to byte array?
I have an image in PIL Image format. I need to convert it to byte array. Now I need the roiImg as a byte array. Answer Thanks everyone for your help. Finally got it resolved!! With this i don’t have to save the cropped image in my hard disc and I’m able to retrieve the byte array from a PIL
How to show PIL Image in ipython notebook
This is my code I would like to do some image manipulation on it, and then show it on screen. I am having problem with showing PIL Image in python notebook. I have tried: And just But both just give me: Answer Updated 2021/11/17 When using PIL/Pillow, Jupyter Notebooks now have a display built-in that will show the image directly,
PIL and pygame.image
I had opened an image using PIL, as Draw some text on it, as and then saved it as to open it using pygame.image I just want to do it without saving.. Can that be possible? It is taking a lot of time to save and then load(0.12 sec Yes, that is more as I have multiple images which require
How to get an average picture from 100 pictures using PIL?
For example, I have 100 pictures whose resolution is the same, and I want to merge them into one picture. For the final picture, the RGB value of each pixel is the average of the 100 pictures’ at that position. I know the getdata function can work in this situation, but is there a simpler and faster way to do
Convert image from PIL to openCV format
I’m trying to convert image from PIL to OpenCV format. I’m using OpenCV 2.4.3. here is what I’ve attempted till now. But I think the image is not getting converted to CV format. The Window shows me a large brown image. Where am I going wrong in Converting image from PIL to CV format? Also , why do i need
Can you “stream” images to ffmpeg to construct a video, instead of saving them to disk?
My work recently involves programmatically making videos. In python, the typical workflow looks something like this: This workflow creates an image for each frame in the video and saves it to disk. After all images have been saved, ffmpeg is called to construct a video from all of the images. Saving the images to disk (not the creation of the
Need help implementing flood-fill algorithm
So I’m trying to create a flood fill algorithm and I keep getting a recursion error with this. The algorithm seems to have infinite recursion and I cannot pinpoint why. I have looked all over the internet and I cannot find a solution as it seems like my program is correct according to most sources. There seems to be something
How to convert a NumPy array to PIL image applying matplotlib colormap
I have a simple problem, but I cannot find a good solution to it. I want to take a NumPy 2D array which represents a grayscale image, and convert it to an RGB PIL image while applying some of the matplotlib colormaps. I can get a reasonable PNG output by using the pyplot.figure.figimage command: Although I could adapt this to