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  - biology
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  - cancer
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  - microscopy
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  - biology
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  - cancer
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  - microscopy
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+ license: other
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+ ---
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+ See github here for usage:
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+ https://github.com/ReyaLab/AI_Colony_Counter
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+ https://reya-lab.org/
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+ Custom fine-tuned version of NVIDIA's segformer model for colony slides in microscopy.
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+ Xie, E., Wang, W., Yu, Z., Anandkumar, A., Alvarez, J. M., & Luo, P. (2021). SegFormer: Simple and efficient design for semantic segmentation with transformers. arXiv preprint arXiv:2105.15203. https://arxiv.org/abs/2105.15203
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+ The Segformer-Cityscapes model was changed to a ternary classifier and fine-tuned on custom training data, where colonies and necrosis were made as separate masks and then merged with different grayscale values.
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+ ![test12.png](https://cdn-uploads.huggingface.co/production/uploads/6813e81cfd7a2af93d0e5384/T1cgAw1cnbzXOQbujcPfj.png)
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+ ![Mask_test12.png](https://cdn-uploads.huggingface.co/production/uploads/6813e81cfd7a2af93d0e5384/Bu-JLpMzYv1UqZVr5BzUz.png)
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+ ![Mask2_test12.png](https://cdn-uploads.huggingface.co/production/uploads/6813e81cfd7a2af93d0e5384/etghwv4AEr15uceSk1upQ.png)
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+ After training, it was able to correctly identify organoids and necrosis.
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+ ![example2.png](https://cdn-uploads.huggingface.co/production/uploads/6813e81cfd7a2af93d0e5384/-Igd3jirHou-ChM3ZHZvo.png)
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+ ![example.png](https://cdn-uploads.huggingface.co/production/uploads/6813e81cfd7a2af93d0e5384/N3b_rdSfWec4ybIB6Ijfq.png)
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+ The python program (see linked GitHub) then uses the masks to annotate the images and provide statistics about the colonies.
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+ ![Group_analysis_results3.png](https://cdn-uploads.huggingface.co/production/uploads/6813e81cfd7a2af93d0e5384/dUcZcjmMp4jbRsSgQJLiD.png)