Link to my full code implementation is attached at the end of this article. Here is the main part of the code to assign the relevant source image. The selected source image for the corresponding pixel ‘batch’ is resized into a tensor with size k. Assign relevant source image to each pixel ‘batch’ So, if the target image’s size is 300x100, then the zeros tensor’s size is (300x50)x(100x50). I myself decided to initialize the zeros tensor with size 50x50 ( k) bigger than the target image’s size. generate photo mosaics.into a photo mosaic, choose.generating the photo mosaic. Transform any of your pictures into Mosaic photo and create. One way to solve this is by initializing the zeros tensor with a bigger size ( k times bigger). This program helps you create photo mosaics on your Mac. Mosaic Photo Effects is an easy to use and powerful app to create amazing mosaic pictures. No worries! We as a human are blessed with creativity! Then, we assign each of the pixels with our selected source image that has been resized into a 1x1x3 tensor.īUT it’s not a wise approach! If we resized our source image into that very tiny tensor, then there’s so much loss of information there. We can simply initialize the tensor with size same as the target image. One thing to be highlighted here is the size of the zeros tensor. Notice that when batch_size=1, ‘Pixel Batching’ approach is the same as the brute-force approach.Īfter the list of relevant filenames is generated, now we have to initialize a zeros tensor which will be used as the ‘container’ of our mosaic image. You can see the below figure to have a better understanding of how this approach works. Search for jobs related to Online image mosaic generator or hire on the worlds largest freelancing marketplace with 22m+ jobs. I named this approach as ‘Pixel Batching’ approach. Rather than finding a relevant source image for each of the pixels, we can just try to find a relevant source image for each ‘batch’ of the pixels. If you realized, this is a very brute-force approach. Then, choose the one with the lowest RMSE value. First, the picture you have chosen to be the main picture. We can simply measure the RMSE ( Root Mean Squared Error) between the RGB vector of each target image’s pixel with the RGB vector from our database. Create photo mosaic We create your photo mosaic as you want it to be: A 100 genuine photo mosaic Tile-images size adjusted to your main picture We always pay attention to choose the best size of the single image, when creating your photo mosaic. How can we know which image is ‘relevant’? Given the average RGB dataset and the target image, the first thing we have to do is generating a list of relevant source image filenames for each of the target image’s pixels. Generate a list of relevant filenames for each pixel ‘batch’
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