fix description

app.py

@@ -1,5 +1,7 @@
 from math import ceil, floor, pi
 from pathlib import Path
+from textwrap import dedent
+from urllib.parse import quote
 
 import gradio as gr
 import matplotlib
@@ -22,6 +24,35 @@ MODEL_DIR = Path("/models")  # mounted from https://huggingface.co/javrtg/AnyCal
 ASSETS_DIR = Path(__file__).resolve().parent / "assets"
 gr.set_static_paths(paths=[ASSETS_DIR])
 
+method_img = (
+    f"/gradio_api/file={quote(str((ASSETS_DIR / 'method_dark.png').resolve()))}"
+)
+description = dedent(f"""
+<div style="text-align: center;">
+    <h1>
+        AnyCalib:<br>
+        On-Manifold Learning for Model-Agnostic Single-View Camera Calibration
+    </h1>
+    <h3>
+        <a href="https://javrtg.github.io/">Javier Tirado-Garín</a>
+        &emsp;&emsp;
+        <a href="https://scholar.google.com/citations?user=j_sMzokAAAAJ">Javier Civera</a><br>
+        I3A, University of Zaragoza
+    </h3>
+    <img
+        src="{method_img}"
+        style="display: block; width: 60%; max-width: 900px; margin: 1rem auto;"
+        alt="AnyCalib method overview"
+    >
+    <h3>
+        Camera calibration from a single perspective/edited/distorted image using a freely chosen camera model<br>
+        <a href="https://github.com/javrtg/AnyCalib">Code</a>
+        &emsp;
+        <a href="https://arxiv.org/abs/2503.12701">Paper</a>
+    </h3>
+</div>
+""")
+
 
 def get_model(model_id: str) -> AnyCalib:
     model = AnyCalib(model_id=None)
@@ -179,28 +210,6 @@ def run_demo(
 
 
 def build_demo() -> gr.Blocks:
-    description = """
-    <div align="center">
-        <h1>
-            AnyCalib:<br>
-            On-Manifold Learning for Model-Agnostic Single-View Camera Calibration
-        </h1>
-        <h3>
-            <a href="https://javrtg.github.io/">Javier Tirado-Garín</a>
-            &emsp;&emsp;
-            <a href="https://scholar.google.com/citations?user=j_sMzokAAAAJ">Javier Civera</a><br>
-            I3A, University of Zaragoza
-        </h3>
-        <img width="60%" src="/gradio_api/file=assets/method_dark.png">
-        <h3>
-            Camera calibration from a single perspective/edited/distorted image using a freely chosen camera model<br>
-            <a href="https://github.com/javrtg/AnyCalib">Code</a>
-            &emsp;
-            <a href="https://arxiv.org/abs/2503.12701">Paper</a>
-        </h3>
-    </div>
-    """
-
     def update_distortion_range(camera_model):
         min_dist, max_dist, default_dist = CAM_DISTCOEFFS[camera_model]
         num_dist_params = gr.Number(