Update README.md

README.md

@@ -48,13 +48,16 @@ generator = torch.Generator("cuda").manual_seed(0)
 - **Arterial Phase**
   ```
   Convert this non-contrast CT slice to mimic an arterial-phase contrast-enhanced CT.
-  Brighten and enhance the aorta, major arteries, and adjacent organ boundaries.
+  Brighten and enhance the aorta, major arteries, and adjacent organ boundaries to emphasize arterial flow,
+  focusing on clarity and contrast in these areas while maintaining other features unchanged.
+
   ```
 
 - **Venous Phase**
   ```
   Convert this non-contrast CT slice to mimic a venous-phase contrast-enhanced CT.
-  Brighten and enhance the portal and hepatic veins and emphasize organ boundaries.
+  Brighten and enhance the veins, especially the portal and hepatic veins,
+  and emphasize organ boundaries to mimic venous flow, focusing on brightness and contrast in these areas while maintaining other features unchanged."
   ```
 
 ### 🧪 Full Pipeline Example