Update thorax to first nano grayscale model

Signed-off-by: Justin Georgi <justin.georgi@gmail.com>

public/models/thorax/descript.json

@@ -1,10 +1,12 @@
 {
-  "version": "0.1.0-s1",
+  "version": "0.3.1-s1",
   "region": "Thorax",
-  "size": 640,
-  "epochs": 1000,
+  "size": 960,
+  "epochs": 2000,
+  "epochsFinal:": 1656,
   "name": "small1",
-  "yolo-version": "8.1.20 docker",
-  "date": "2024-03-07",
-  "export": "0.1.0-th"
+  "yolo-version": "8.2.16 docker",
+  "date": "2024-06-05",
+  "export": "0.3.0-th",
+  "grayscale": true
 }

public/models/thorax/metadata.yaml

@@ -1,14 +1,14 @@
-description: Ultralytics best model trained on /data/ALVINN/Thorax/Thorax 0.1.0/thorax.yaml
+description: Ultralytics best model trained on /data/ALVINN/Thorax/Thorax 0.3.0/thorax_g.yaml
 author: Ultralytics
 license: AGPL-3.0 https://ultralytics.com/license
-date: '2024-03-07T16:03:03.296997'
+date: '2024-06-05T22:55:38.088791'
 version: 8.1.20
 stride: 32
 task: detect
 batch: 1
 imgsz:
-- 640
-- 640
+- 960
+- 960
 names:
   0: Abdominal diaphragm
   1: Aorta