How do I resize an image using PIL and maintain its aspect ratio?

Is there an obvious way to do this that I'm missing? I'm just trying to make thumbnails.

Programmatically generate video or animated GIF in Python?

I have a series of images that I want to create a video from. Ideally I could specify a frame duration for each frame but a fixed frame rate would be fine too. I'm doing this in wxPython, so I...

What are some methods to analyze image brightness using Python?

I'd like some advice on performing a simple image analysis in python. I need to calculate a value for the "brightness" of an image. I know PIL is the goto library for doing something like this....

Installing PIL on OS X Lion

I am trying to install PIL on Mac OSX 10.7.4 but after several hours attempt couldn't succeed. All the time I have encountered the same problem provided detail in pastebin link below. Enlighten...

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: import subprocess, Image, ImageDraw for i in range(frames_per_second *...

SimpleCV cannot load OpenCV library

I have installed SimpleCV from the 1.3 Superpack in Win Server 2008 R2. In Python, I can load the Image library as: from SimpleCV import Image This works correctly in Python scripts executed...

scipy.misc module has no attribute imread?

I am trying to read an image with scipy. However it does not accept the scipy.misc.imread part. What could be the cause of this? >>> import scipy >>> scipy.misc <module 'scipy.misc' from...

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...

python converting .tif to .png without changing mode from cmyk to rgb

I want to convert .tif to .png. Simple solution I found was import Image im = Image.open('39.tif') im.save('39.png') This didn't work and gave me following error : Traceback (most recent call...

Differences in projecting satellite images with cartopy and pyresample

I have written a python script to project and overlay geostationary satellite images from the university of Dundee so the resulting image can be used for xplanet to render the surface of the...

Package (Python PIL/Pillow) installed but I can't import it

I've been using python for simple data processing scripts, but now I want to do some image processing and I encountered a problem. Importing the pillow module doesn't seem to work. I found a...

Python Library to read wavefront object and Render it to JPEG file

I have a very specific requirement, which is to : read a obj file created in 3dsMax. apply camera perspective projection on it save the output in jpeg or any other image format Please if someone...

How to change the HSV values of an image in python?

I am able to convert an image from the RGB to HSV colorspace, but how can I then manipulate those values using the HSV scale as outlined in the PIL documentation? img =...

PIL "ValueError: image has wrong mode" when resizing an image

I am working in Blender and so I wanted to use a bump map I found on the internet. The image is here. However, when I tried to use it, Blender crashed. I am assuming that happened because of the...

Draw a rectangle and a text in it using PIL

I want to draw a rectangle and a text in it, here's a part of my code and it's a bit obfuscated: from PIL import Image from PIL import ImageFont from PIL import ImageDraw from PIL import...

Decode Micro QR codes with Python

I used "segno" to create Micro QR codes with python: import segno segno.make_micro("1").save("1.png", scale=10) Output Image Does anyone know of a (simple) way to decode these with python? I...

TypeError: crop() takes from 1 to 2 positional arguments but 5 were given

from PIL import Image img=Image.open('/home/ahmed/internship/cnn_ocr/image1.png') img.size (2458, 3504) But when l try to crop the image as follow : img.crop(414,122,650,338) l got the...

Python requests - quickly know if response is json parsable

I wrote a certain API wrapper using Python's requests library. When it gets a response using requests.get, it attempts to parse as json and takes the raw content if it doesn't work: resp =...

can't include Python.h in visual studio

(I do find a lot of similar questions, but so far non of these fits me...) ===========Updated error message, images, Command Line=========== I am trying to #include <Python.h>(that's nearly all...

Python 3: How to blur a GeoTIFF image with color table?

I've got a GeoTIFF image that I need to make blurry by applying a smoothing filter. The image itself contains metadata that needs to be preserved. It has a bit-depth of 8 and uses a color table...

Converting TIFF to numpy array

I am currently working on transforming a TIFF file to a numpy array. A simple working code is from PIL import Image photo = Image.open("filename.tif") photo.show() Although I do get as an...

Compress images with Pillow in Django

I have a project with Django and I use Pillow to store images in some models, but I want those images to be stored compressed. How can I instruct Pillow to compress the images when they are saved...

Failed to install gcc on Python-3.7-alpine docker container

I am trying to set up a Python docker container, when I run the command "docker-compose up" to build the Dockerfile it throws me this error message below. The docker file was successfully built...

python3.5 error 'dyld library not loaded: CoreFoundation' after macOS Big Sur update

Process: Python [1593] Path: /Library/Frameworks/Python.framework/Versions/3.5/Resources/Python.app/Contents/MacOS/Python Identifier: Python Version: ...

ReadTimeoutError/pip not installling any library

as written in the title and as you can see in the first image I'm trying to install pandas and I get this error each time and not just pandas but all the libraries , I know this question has been...

dyld: Library not loaded: /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation

[email protected]: python3 dyld: Library not loaded:/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation Referenced from: ...

Python ARM in Docker - Installing requirements takes ages

I want to run a Docker container with some Python bots inside. These scripts need libraries like pandas, numpy and matplotlib. Everything works great in an x86 environment, but building the image...

Linux Mint Cinnamon error opening settings (No module named 'PIL')

since I updated Cinnamon to 5.0.6 I can't access any entry under 'Preferences', nothing happens. When I try to open from CLI I have the following : #> cinnamon-settings No module named 'PIL' I...

After I updated MacOS latest version Monterey, the python can't be executed?

I updated latest MacOS version Monterey, but python can't be executed in terminal. The same situation occurred in PyCharm. enter image description here enter image description here dyld[25738]:...

Horizontally merge and divide cells in an HTML Table for Timetable based on the Data in Python File

Please note this question is an extension of this previously asked question: https://stackoverflow.com/questions/69702397/how-to-make-images-pdf-of-timetable-using-python I am working on a program...