Update model card for Sapiens with architecture details

README.md

@@ -17,7 +17,7 @@ Sapiens-1B natively support 1K high-resolution inference. The resulting models e
 - **File:** sapiens_1b_goliath_best_goliath_AP_640_torchscript.pt2
 
 ### Model Card
-- **Image Size:** 1024 x 1024
+- **Image Size:** 1024 x 768 (H x W)
 - **Num Parameters:** 1.169 B
 - **FLOPs:** 4.647 TFLOPs
 - **Patch Size:** 16 x 16