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Mosaic-Image

Code implementation of the article: "How to Build a Mosaic Image Generator from Scratch"

alt text

Requirements: PIL, Numpy, Pandas

Inputs: A set of source images, a target image

Output: A mosaic image that mimics the target image based on the set of source images

Usage

First, the database of Average RGB from the source images folder need to be generated.

usage: build_datasets_avg_rgb.py [-h] --SOURCE_PATH PATH

arguments:
  -h, --help            show this help message and exit
  --SOURCE_PATH         Path to source images folder

Then based on the generated Average RGB dataset and the target image, we can generate the final mosaic image.

usage: create_mosaic.py [-h] --pixel_batch_size 1 --output_width 100

optional arguments:
  -h, --help            	show this help message and exit
  --pixel_batch_size    	control the detail of picture, lower means more detail but takes longer time to produce.
  --rmse_threshold      	control the color similarity, try as lower as possible in the beginning. If adjust_threshold is 0 and if there is an error indicating "too lower threshold" then try to add the value slowly
  --allow_use_same_image	{Y,N}. If Y then the generator is allowed to use same picture many times
  --adjust_threshold	        value of adjusted threshold for pixels which have rmse higher then the given initial threshold. If 0 then it will not adjusted
  --output_width                the width of output image. Height will be adjusted to maintain the aspect ratio
  --target_PATH	      		PATH to the target image
  --OUTPUT_PATH	      		PATH to the output image

Created by:

Louis Owen

LinkedIn: https://www.linkedin.com/in/louisowen6