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Can Ruby Read an X-Ray? Building a Medical Image Processor.

by Giménez Silva Germán Alberto —

https://rubystacknews.com/2026/03/23/can-ruby-read-an-x-ray-building-a-medical-image-processor/

When I built ruby-libgd I included Sobel edge detection, Laplacian filter, Gaussian blur, and custom convolution as native C bindings. I knew those filters would be useful someday.

Turns out medical imaging is exactly that use case.

The article covers edge detection on real chest X-rays from the NIH dataset, region segmentation, histogram analysis, and the honest performance numbers. Everything running on native C. Milliseconds per operation.

Ruby is not the bottleneck. Ruby is the orchestration layer.

Ruby #MedicalImaging #DataScience #RubyDev #ImageProcessing

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