Revert to no image slider :-(

app.py

@@ -1,20 +1,18 @@
 import gradio as gr
 import numpy as np
 import flip
-from gradio_imageslider import ImageSlider
 
-
-def compute_simple_diff(imgs: tuple[np.array, np.array]) -> (np.array, float):
+def compute_simple_diff(a: np.array, b: np.array) -> (np.array, float):
     '''compute difference of two arrays'''
-    return imgs[0] - imgs[1]
+    return a - b, str(np.round(np.mean(a-b), 4))
 
 
-def compute_flip_diff(imgs: tuple[np.array, np.array]) -> (np.array, float):
+def compute_flip_diff(a: np.array, b: np.array) -> (np.array, float):
     '''
     compute NVIDIA nvlab's FLIP difference between two image arrays
     '''
-    error_map, _, _ = flip.evaluate(imgs[0], imgs[1], "HDR")
-    return error_map
+    error_map, mean_error, _ = flip.evaluate(a, b, "HDR")
+    return error_map, str(np.round(mean_error,4))
     
 
 examples = [
@@ -24,18 +22,22 @@ examples = [
 
 with gr.Blocks() as demo:
     gr.Markdown("Compute difference using NVIDIA's [FLIP](https://github.com/NVlabs/flip/)")
-    image_slider = ImageSlider(upload_count=2, type="numpy")
-    diff = gr.Image(label="Difference")
-    # image_slider.upload(fn=compute_flip_diff,
-    #              inputs=image_slider,
-    #              outputs=[diff, meanbox]
-    #             )
-    button = gr.Button("Compute difference")
+    with gr.Row(equal_height=True):
+        # define inputs and outputs
+        before = gr.Image(label="Before")
+        after = gr.Image(label="After")
+        diff = gr.Image(label="Difference")
+    with gr.Row(equal_height=True):
+        with gr.Column(scale=2):          
+            button = gr.Button("Compute difference")
+        with gr.Column(scale=1, min_width=200):
+            meanbox = gr.Textbox(label="Mean difference")
+    # interaction
     button.click(fn=compute_flip_diff,
-                 inputs=image_slider,
-                 outputs=[diff]
+                 inputs=[before, after],
+                 outputs=[diff, meanbox]
                 )
-
+    gr.Examples(examples, [before, after])
 
 if __name__ == "__main__":
     demo.launch()