Upload mesh.py

mesh.py

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+from zoedepth.utils.geometry import depth_to_points, create_triangles
+import gradio as gr
+import numpy as np
+from PIL import Image
+import trimesh
+from functools import partial
+import tempfile
+
+def depth_edges_mask(depth):
+    """Returns a mask of edges in the depth map.
+    Args:
+    depth: 2D numpy array of shape (H, W) with dtype float32.
+    Returns:
+    mask: 2D numpy array of shape (H, W) with dtype bool.
+    """
+    # Compute the x and y gradients of the depth map.
+    depth_dx, depth_dy = np.gradient(depth)
+    # Compute the gradient magnitude.
+    depth_grad = np.sqrt(depth_dx ** 2 + depth_dy ** 2)
+    # Compute the edge mask.
+    mask = depth_grad > 0.05
+    return mask
+
+def predict_depth(model, image):
+    depth = model.infer_pil(image)
+    return depth
+
+def get_mesh(model, image: Image.Image, keep_edges=True):
+    image.thumbnail((1024,1024))  # limit the size of the input image
+
+    depth = predict_depth(model, image)
+    pts3d = depth_to_points(depth[None])
+    pts3d = pts3d.reshape(-1, 3)
+
+    # Create a trimesh mesh from the points
+    # Each pixel is connected to its 4 neighbors
+    # colors are the RGB values of the image
+
+    verts = pts3d.reshape(-1, 3)
+    image = np.array(image)
+    if keep_edges:
+        triangles = create_triangles(image.shape[0], image.shape[1])
+    else:
+        triangles = create_triangles(image.shape[0], image.shape[1], mask=~depth_edges_mask(depth))
+    colors = image.reshape(-1, 3)
+    mesh = trimesh.Trimesh(vertices=verts, faces=triangles, vertex_colors=colors)
+
+    # Save as glb
+    glb_file = tempfile.NamedTemporaryFile(suffix='.glb', delete=False)
+    glb_path = glb_file.name
+    mesh.export(glb_path)
+    return glb_path
+
+def mesh_interface(model):
+    with gr.Row():
+        with gr.Column():
+            inputs=[gr.Image(label="Input Image", type='pil'), gr.Checkbox(label="Keep occlusion edges", value=True)]
+        outputs=gr.Model3D(label="3D Mesh", clear_color=[1.0, 1.0, 1.0, 1.0])
+    generate_btn = gr.Button(value="Generate")
+    generate_btn.click(partial(get_mesh, model), inputs=inputs, outputs=outputs, api_name="generate_mesh")