Update utils.py

utils.py

@@ -4,20 +4,20 @@ import cv2
 import numpy as np
 
 def analyze_frame_sequence(frames):
-    # Simulate realistic trajectory
+    # Simulate realistic trajectory with umpire's call zone
     h, w = frames[0].shape[:2]
-    trajectory_curve = [(200+i*10, 300 - i*8) for i in range(6)]  # sloping downward
+    trajectory_curve = [(200 + i * 10, 300 - i * 8 + i ** 2 // 5) for i in range(6)]  # parabolic downward curve
+    last = trajectory_curve[-1]
     return {
         "pitch": "in line",
         "impact": "in line",
-        "trajectory": "hitting",
+        "trajectory": "umpires call",  # simulate marginal zone
         "shot_offered": True,
         "pitch_point": trajectory_curve[0],
         "impact_point": trajectory_curve[2],
         "trajectory_curve": trajectory_curve,
-        "stump_zone": [(trajectory_curve[-1][0] - 20, trajectory_curve[-1][1] - 40),
-                        (trajectory_curve[-1][0] + 20, trajectory_curve[-1][1] + 40)],
-        "hit_point": trajectory_curve[-1]
+        "stump_zone": [(last[0] - 20, last[1] - 40), (last[0] + 20, last[1] + 40)],
+        "hit_point": last
     }
 
 def make_decision(analysis):
@@ -35,27 +35,32 @@ def overlay_text(frame, text, pos, size=1.0, color=(255,255,255)):
     cv2.putText(frame, text, pos, cv2.FONT_HERSHEY_SIMPLEX, size, color, 2, cv2.LINE_AA)
 
 def overlay_annotations_dynamic(frame, analysis, t):
+    h, w = frame.shape[:2]
     if t < len(analysis['trajectory_curve']):
         ball_pos = analysis['trajectory_curve'][t]
-        cv2.circle(frame, ball_pos, 8, (0, 255, 0) if analysis['trajectory'] == 'hitting' else (0, 0, 255), -1)
+        cv2.circle(frame, ball_pos, 8, (0, 255, 0) if analysis['trajectory'] == 'hitting' else (0, 140, 255), -1)
 
+    # Draw dashed arc
     for i in range(1, min(t + 1, len(analysis['trajectory_curve']))):
-        cv2.line(frame, analysis['trajectory_curve'][i - 1], analysis['trajectory_curve'][i],
-                 (0, 255, 0) if analysis['trajectory'] == 'hitting' else (0, 0, 255), 2)
+        p1 = analysis['trajectory_curve'][i - 1]
+        p2 = analysis['trajectory_curve'][i]
+        if i % 2 == 0:
+            cv2.line(frame, p1, p2, (0, 255, 0) if analysis['trajectory'] == 'hitting' else (0, 140, 255), 2)
 
+    # Umpire's Call Zone
     x1, y1 = analysis['stump_zone'][0]
     x2, y2 = analysis['stump_zone'][1]
     overlay = frame.copy()
-    cv2.rectangle(overlay, (x1, y1), (x2, y2), (255, 255, 255), -1)
-    alpha = 0.2
-    frame[:] = cv2.addWeighted(overlay, alpha, frame, 1 - alpha, 0)
+    color = (0, 255, 0) if analysis['trajectory'] == 'hitting' else (0, 140, 255)  # amber for umpire's call
+    cv2.rectangle(overlay, (x1, y1), (x2, y2), color, -1)
+    frame[:] = cv2.addWeighted(overlay, 0.25, frame, 0.75, 0)
     cv2.rectangle(frame, (x1, y1), (x2, y2), (180, 180, 180), 2)
 
     shot_icon = "✓" if analysis['shot_offered'] else "✗"
     overlay_text(frame, f"Shot Offered: {shot_icon}", (30, 170), 0.8, (0,255,0) if analysis['shot_offered'] else (0,0,255))
     overlay_text(frame, f"Trajectory: {analysis['trajectory'].capitalize()}", (30, 130), 0.8,
-                 (0, 255, 0) if analysis['trajectory'] == 'hitting' else (0, 0, 255))
-    overlay_text(frame, "ICC LBW Review • Third-Umpire Analysis", (30, frame.shape[0] - 30), 0.6, (180,180,180))
+                 (0, 255, 0) if analysis['trajectory'] == 'hitting' else (0, 140, 255))
+    overlay_text(frame, "ICC LBW Review • Third-Umpire Analysis", (30, h - 30), 0.6, (180,180,180))
 
 def render_annotated_clip(frames, analysis, decision, reason, output_path):
     h, w = frames[0].shape[:2]
@@ -68,7 +73,7 @@ def render_annotated_clip(frames, analysis, decision, reason, output_path):
     for _ in range(20):
         out.write(verdict_card)
 
-    # Dynamic replay with animated ball tracking
+    # Dynamic replay with animated ball tracking and umpire's call zone
     for t, f in enumerate(frames):
         annotated = f.copy()
         overlay_annotations_dynamic(annotated, analysis, t)
@@ -78,7 +83,7 @@ def render_annotated_clip(frames, analysis, decision, reason, output_path):
     for pt in analysis['trajectory_curve'][-3:]:
         for _ in range(2):
             f = frames[-1].copy()
-            cv2.circle(f, pt, 10, (0,255,0) if analysis['trajectory']=="hitting" else (0,0,255), -1)
+            cv2.circle(f, pt, 10, (0,255,0) if analysis['trajectory']=="hitting" else (0,140,255), -1)
             cv2.rectangle(f, analysis['stump_zone'][0], analysis['stump_zone'][1], (180,180,180), 2)
             overlay_text(f, "Trajectory End", (pt[0] + 10, pt[1] - 10), 0.8, (255,255,255))
             overlay_text(f, "ICC LBW Review • Third-Umpire Analysis", (30, h - 30), 0.6, (180,180,180))