From b88266f0030413f63e4f67f512e1bea2de264e01 Mon Sep 17 00:00:00 2001 From: Joshua Warner Date: Sun, 18 Jan 2026 01:44:40 -0600 Subject: [PATCH] DOCFIX: Fat is negative Hounsfield units. Code which follows is correct, this fixes the associated explanation. --- notebooks/high_dimensional_ct_hugging_face.ipynb | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/notebooks/high_dimensional_ct_hugging_face.ipynb b/notebooks/high_dimensional_ct_hugging_face.ipynb index 2afbf83..5c89163 100644 --- a/notebooks/high_dimensional_ct_hugging_face.ipynb +++ b/notebooks/high_dimensional_ct_hugging_face.ipynb @@ -280,7 +280,7 @@ "\n", "The MedGemma image encoder accepts RGB, 8-bits per channel images as input. MedGemma has also been trained to interpret CT images where the RGB channels of input images correspond to a novel windowing representation to enable it to interpret multiple representations of CT imaging simultaneously. Specifically, MedGemma 1.5 has been trained with the components defined as follows:\n", " * Red (component 0): Wide window; range: -1024 HU ([air](https://en.wikipedia.org/wiki/Hounsfield_scale)) to 1024 HU ([above bone](https://en.wikipedia.org/wiki/Hounsfield_scale))\n", - " * Green (component 1): Soft tissue window; range: 135 HU ([fat](https://en.wikipedia.org/wiki/Hounsfield_scale)) to 215 HU ([start of bone](https://en.wikipedia.org/wiki/Hounsfield_scale))\n", + " * Green (component 1): Soft tissue window; range: -135 HU ([fat](https://en.wikipedia.org/wiki/Hounsfield_scale)) to 215 HU ([start of bone](https://en.wikipedia.org/wiki/Hounsfield_scale))\n", " * Blue (component 2): Brain window; range: 0 HU ([water](https://en.wikipedia.org/wiki/Hounsfield_scale)) to 80 HU ([brain](https://en.wikipedia.org/wiki/Hounsfield_scale))\n", "\n", " Since each of the RGB channels in the prompt images corresponds to a windowing prompt, imaging prepared using this method will visually appear in color.\n",