Update gradio_app.py

gradio_app.py

@@ -2692,7 +2692,7 @@ def launch_app(
                     scale_result = gr.Markdown("")
                 with gr.Accordion("⚙️ Advanced settings", open=False):
                     conf_slider1 = gr.Slider(
-                        minimum=0.20, maximum=0.60, value=BEST_CONF, step=0.05,
+                        minimum=0.10, maximum=0.80, value=BEST_CONF, step=0.05,
                         label=f"Confidence threshold (default: {BEST_CONF})",
                         info="Lower = finds more organisms but more false positives. "
                              "Raise if getting too many spurious detections. "
@@ -2702,13 +2702,16 @@ def launch_app(
                     conf_warn1 = gr.Markdown("")
 
                     def _update_conf_warn(v):
-                        if v < 0.35:
-                            return (f"⚠️ **Low threshold ({v:.2f})** — expect more false positives. "
+                        if v < 0.25:
+                            return (f"⚠️ **Very low threshold ({v:.2f})** — expect many false positives. "
                                     f"Use the Hand correction tab to clean up results. "
                                     f"Document this value in your methods.")
-                        elif v > 0.55:
+                        elif v < 0.35:
+                            return (f"⚠️ **Low threshold ({v:.2f})** — more false positives likely. "
+                                    f"Validate with hand correction. Document in your methods.")
+                        elif v > 0.65:
                             return (f"⚠️ **High threshold ({v:.2f})** — may miss real organisms, "
-                                    f"especially in challenging images.")
+                                    f"especially in challenging images. Use only if calibration confirmed this.")
                         return f"✓ Standard threshold ({v:.2f})"
 
                     conf_slider1.change(fn=_update_conf_warn,
@@ -2788,7 +2791,7 @@ def launch_app(
                     scale_result2 = gr.Markdown("")
                 with gr.Accordion("⚙️ Advanced settings", open=False):
                     conf_slider2 = gr.Slider(
-                        minimum=0.20, maximum=0.60, value=BEST_CONF, step=0.05,
+                        minimum=0.10, maximum=0.80, value=BEST_CONF, step=0.05,
                         label=f"Confidence threshold (default: {BEST_CONF})",
                         info="Lower = finds more organisms but more false positives. "
                              "Applied identically to all images in the batch. "
@@ -2865,7 +2868,7 @@ def launch_app(
 
                 with gr.Accordion("⚙️ Advanced settings", open=False):
                     conf_slider3 = gr.Slider(
-                        minimum=0.20, maximum=0.60, value=BEST_CONF, step=0.05,
+                        minimum=0.10, maximum=0.80, value=BEST_CONF, step=0.05,
                         label=f"Confidence threshold (default: {BEST_CONF})",
                         info="Lower threshold shows more sub-threshold candidates "
                              "(faint grey outlines) for manual promotion in Add mode. "
@@ -3141,8 +3144,9 @@ def launch_app(
                         return None, "Enter a valid known count > 0.", BEST_CONF, \
                                gr.update(interactive=False)
 
-                    thresholds = [0.20, 0.25, 0.30, 0.35, 0.40, 0.45,
-                                  0.50, 0.55, 0.60]
+                    thresholds = [0.10, 0.15, 0.20, 0.25, 0.30, 0.35,
+                                  0.40, 0.45, 0.50, 0.55, 0.60, 0.65,
+                                  0.70, 0.75, 0.80]
                     counts = []
 
                     for i, th in enumerate(thresholds):