make sure that text will be visible

app.py

@@ -10,7 +10,7 @@ from my_models import YOLOV5CLIPModel, YOLOV8CLIPModel
 def annotated_image(
     image: np.ndarray, label: str, conf: float, bbox: list
 ) -> np.ndarray:
-    line_thickness = int(0.005 * max(image.shape[:2]))
+    line_thickness = max(1, int(0.005 * max(image.shape[:2])))
     image = cv2.cvtColor(image, cv2.COLOR_RGB2BGR)
     image = cv2.rectangle(
         image,
@@ -27,7 +27,7 @@ def annotated_image(
         thickness=max(line_thickness // 2, 1),
         lineType=cv2.LINE_AA,
         color=(0, 0, 0),
-        fontScale=0.1 * line_thickness,
+        fontScale=max(0.5, 0.1 * line_thickness),
     )
     image = cv2.cvtColor(image, cv2.COLOR_BGR2RGB)