https://github.com/toni08bit/brightnessclamp

Clamp the grayscale of an image
https://github.com/toni08bit/brightnessclamp

image-processing-python pil pillow post-processing python3

Last synced: 3 months ago
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Clamp the grayscale of an image

• Host: GitHub
• URL: https://github.com/toni08bit/brightnessclamp
• Owner: toni08bit
• License: mit
• Created: 2023-03-13T09:18:38.000Z (over 2 years ago)
• Default Branch: main
• Last Pushed: 2023-03-13T09:48:48.000Z (over 2 years ago)
• Last Synced: 2025-01-21T00:50:32.861Z (5 months ago)
• Topics: image-processing-python, pil, pillow, post-processing, python3
• Language: Python
• Homepage:
• Size: 764 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# BrightnessClamp

## What's this?

A little test on how to "restore" image readability by using all of the color space up (0-255) grayscale.

## Demo

### Before

![Before (You can't see anything)](https://raw.githubusercontent.com/BillPlayzToday/BrightnessClamp/main/test.jpeg)

### After

![After (You can recognize stuff)](https://raw.githubusercontent.com/BillPlayzToday/BrightnessClamp/main/test-clamped.jpeg)

![After (with annotations)](https://raw.githubusercontent.com/BillPlayzToday/BrightnessClamp/main/test-annotated.jpeg)

By the way: image was taken from a [SurveillancePi](https://github.com/BillPlayzToday/SurveillancePi) Raspberry Pi Camera System.

## Installation

You will need to install Pillow (PIL fork) like [this](https://pillow.readthedocs.io/en/stable/installation.html) and clone the repository to your computer.

## Usage

Then execute the python script with the input image path as an argument:

    python3 main.py image.jpg

Supports all the formats that Pillow supports. Transparency should be avoided.

The output file should be available at ***image*-clamped.jpeg**.