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Questions - python-imaging-library

Slide a window through an image, and change the value of center pixel in window based on the average value of the sliding window

I am trying to slide a 5 by 5 2D window across a gray image. If all the pixels within that 2D window equal to 200, replace the center pixel value within the window with 100. import cv2 import numpy as...
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Joseph Adam

python

image

opencv

scipy

python-imaging-library

Votes: 0

Answers: 1

Latest Answer

You have it almost correct. The output of your convolve2d thing is a boolean array that has True where you want the value changed. You can use that as a fancy index into the original array, one of n...
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Tim Roberts

How to read images in a file consecutively without sort functions?

I'm new at image processing, I captured frames from a video and I want to convert them into arrays. These frames must be consecutive. here's the part of my code folder = "/content/otherGrayscaleI...
test-img

Pegtomous

python

numpy

opencv

python-imaging-library

Votes: 0

Answers: 1

Latest Answer

You need a custom sort key. The manual solution is something like this: onlyfiles.sort(key=lambda x: int(x[:x.index('.')])) This is not a robust solution. If you have any files that have anything oth...
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Mad Physicist

How to resize images to certain size in Python PIL without distortion?

I'm trying to crop images to 1000, 1000 using PIL in Python. However, it always stretches the image to match the dimensions rather than cropping. Current code below. Preferably, I would like to crop t...
test-img

Jody

python

python-imaging-library

Votes: 0

Answers: 2

Latest Answer

You can use the image.crop method to crop the sides, followed by a image.resize to extend or reduce the height to 1000: (width, height) = img.size left = int((width - 1000)/2) right = left + 1000 new_...
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Kroshtan

Flask Serve PIL image in HTML from endpoint

I will preface by saying this is my first time working with flask & HTML to build a web app, so I may be using the wrong terminology in some places, apologies in advance. I have used these two pre...
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dimitripayet

python

html

flask

python-imaging-library

Votes: 0

Answers: 1

Latest Answer

The problem is that you are not passing the image to the 'images' function that displays the template with the image. In your 'search_result' function, you will need to pass the wordcloud_image to the...
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Patrick Yoder

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