Split

analyze_box5.py

@@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+import sys
+sys.path.insert(0, '/Users/guillemhernandezsola/code/manga-translator')
+
+import cv2
+import json
+import numpy as np
+
+# Import functions from manga-translator.py
+import importlib.util
+spec = importlib.util.spec_from_file_location("manga_translator", "/Users/guillemhernandezsola/code/manga-translator/manga-translator.py")
+mt = importlib.util.module_from_spec(spec)
+spec.loader.exec_module(mt)
+
+image_path = '004.png'
+detector = mt.MacVisionDetector(source_lang='en')
+raw = detector.read(image_path)
+
+# Load current bubbles to see what box 5 contains
+with open('bubbles.json') as f:
+    bubbles_data = json.load(f)
+    box5_data = bubbles_data['5']
+    box5_bounds = (box5_data['x'], box5_data['y'], box5_data['x'] + box5_data['w'], box5_data['y'] + box5_data['h'])
+    print(f'Box 5 bounds (xyxy): {box5_bounds}')
+    print()
+
+# Print all detections sorted by position
+print('All raw detections:')
+for i, (bbox, text, conf) in enumerate(sorted(raw, key=lambda x: (mt.quad_bbox(x[0])[1], mt.quad_bbox(x[0])[0]))):
+    b = mt.quad_bbox(bbox)
+    t_norm = mt.normalize_text(text)
+    print(f'{i:2d}. [{b[0]:3d},{b[1]:3d} -> {b[2]:3d},{b[3]:3d}] conf={conf:.2f} text="{t_norm}"')
+    
+    # Check if this overlaps with box 5
+    b5_x1, b5_y1, b5_x2, b5_y2 = box5_bounds
+    if not (b[2] < b5_x1 or b[0] > b5_x2 or b[3] < b5_y1 or b[1] > b5_y2):
+        print(f'  ^ OVERLAPS with Box 5!')

analyze_box7_split.py

@@ -0,0 +1,95 @@
+#!/usr/bin/env python3
+import sys
+sys.path.insert(0, '/Users/guillemhernandezsola/code/manga-translator')
+
+import cv2
+import json
+import numpy as np
+import importlib.util
+
+spec = importlib.util.spec_from_file_location("manga_translator", "/Users/guillemhernandezsola/code/manga-translator/manga-translator.py")
+mt = importlib.util.module_from_spec(spec)
+spec.loader.exec_module(mt)
+
+image_path = '004.png'
+detector = mt.MacVisionDetector(source_lang='en')
+raw = detector.read(image_path)
+image = cv2.imread(image_path)
+
+# Filter as the pipeline does
+filtered = []
+for bbox, text, conf in raw:
+    t = mt.normalize_text(text)
+    qb = mt.quad_bbox(bbox)
+    
+    if conf < 0.12:
+        continue
+    if len(t) < 1:
+        continue
+    if mt.is_noise_text(t):
+        continue
+    if mt.is_sound_effect(t):
+        continue
+    if mt.is_title_text(t):
+        continue
+    
+    filtered.append((bbox, t, conf))
+
+# Run grouping
+bubbles, bubble_boxes, bubble_quads, bubble_indices = mt.group_tokens(
+    filtered, image.shape, gap_px=18, bbox_padding=3
+)
+
+print("=== BUBBLE 7 & 8 ANALYSIS ===\n")
+print("Current Bubble 7 (right side content):")
+for bid in [7]:
+    if bid in bubble_indices:
+        box = bubble_boxes[bid]
+        print(f"  Box: {box}")
+        print(f"  Indices: {bubble_indices[bid]}")
+        indices = bubble_indices[bid]
+        boxes = [mt.quad_bbox(filtered[i][0]) for i in indices]
+        min_x = min(b[0] for b in boxes)
+        max_x = max(b[2] for b in boxes)
+        print(f"  X range: {min_x} - {max_x}")
+        for idx in indices:
+            b = mt.quad_bbox(filtered[idx][0])
+            print(f"    {idx}: x=[{b[0]:3d},{b[2]:3d}] y=[{b[1]:3d},{b[3]:3d}] = {filtered[idx][1]}")
+
+print("\nCurrent Bubble 8 (left side content):")
+for bid in [8]:
+    if bid in bubble_indices:
+        box = bubble_boxes[bid]
+        print(f"  Box: {box}")
+        print(f"  Indices: {bubble_indices[bid]}")
+        indices = bubble_indices[bid]
+        boxes = [mt.quad_bbox(filtered[i][0]) for i in indices]
+        min_x = min(b[0] for b in boxes)
+        max_x = max(b[2] for b in boxes)
+        print(f"  X range: {min_x} - {max_x}")
+        for idx in indices:
+            b = mt.quad_bbox(filtered[idx][0])
+            print(f"    {idx}: x=[{b[0]:3d},{b[2]:3d}] y=[{b[1]:3d},{b[3]:3d}] = {filtered[idx][1]}")
+
+# Check the horizontal gap between them
+print("\n=== GAP ANALYSIS ===")
+if 7 in bubble_indices and 8 in bubble_indices:
+    boxes7 = [mt.quad_bbox(filtered[i][0]) for i in bubble_indices[7]]
+    boxes8 = [mt.quad_bbox(filtered[i][0]) for i in bubble_indices[8]]
+    
+    max_x7 = max(b[2] for b in boxes7)
+    min_x8 = min(b[0] for b in boxes8)
+    
+    print(f"Bubble 7 max X: {max_x7}")
+    print(f"Bubble 8 min X: {min_x8}")
+    print(f"Horizontal gap: {min_x8 - max_x7}")
+    
+    # Check Y overlap
+    min_y7 = min(b[1] for b in boxes7)
+    max_y7 = max(b[3] for b in boxes7)
+    min_y8 = min(b[1] for b in boxes8)
+    max_y8 = max(b[3] for b in boxes8)
+    
+    print(f"\nBubble 7 Y range: {min_y7} - {max_y7}")
+    print(f"Bubble 8 Y range: {min_y8} - {max_y8}")
+    print(f"Y overlap: {max(0, min(max_y7, max_y8) - max(min_y7, min_y8))} pixels")

analyze_grouping.py

@@ -0,0 +1,55 @@
+#!/usr/bin/env python3
+import sys
+sys.path.insert(0, '/Users/guillemhernandezsola/code/manga-translator')
+
+import cv2
+import json
+import numpy as np
+import importlib.util
+
+spec = importlib.util.spec_from_file_location("manga_translator", "/Users/guillemhernandezsola/code/manga-translator/manga-translator.py")
+mt = importlib.util.module_from_spec(spec)
+spec.loader.exec_module(mt)
+
+image_path = '004.png'
+detector = mt.MacVisionDetector(source_lang='en')
+raw = detector.read(image_path)
+image = cv2.imread(image_path)
+
+# Filter as the pipeline does
+filtered = []
+for bbox, text, conf in raw:
+    t = mt.normalize_text(text)
+    qb = mt.quad_bbox(bbox)
+    
+    if conf < 0.12:
+        continue
+    if len(t) < 1:
+        continue
+    if mt.is_noise_text(t):
+        continue
+    if mt.is_sound_effect(t):
+        continue
+    if mt.is_title_text(t):
+        continue
+    
+    filtered.append((bbox, t, conf))
+
+print(f"Filtered {len(filtered)} detections")
+
+# Now run grouping
+bubbles, bubble_boxes, bubble_quads, bubble_indices = mt.group_tokens(
+    filtered, image.shape, gap_px=18, bbox_padding=3
+)
+
+# Find which bubble contains box 5
+box5_region = (378, 570, 536, 753)
+
+print("\n=== BUBBLES ===")
+for bid, box in bubble_boxes.items():
+    print(f"Bubble {bid}: {box}")
+    print(f"  Indices: {bubble_indices[bid]}")
+    print(f"  Detections:")
+    for idx in bubble_indices[bid]:
+        b = mt.quad_bbox(filtered[idx][0])
+        print(f"    {idx}: [{b[0]:3d},{b[1]:3d} -> {b[2]:3d},{b[3]:3d}] = {filtered[idx][1]}")

check_box7.py

@@ -0,0 +1,77 @@
+#!/usr/bin/env python3
+import sys
+sys.path.insert(0, '/Users/guillemhernandezsola/code/manga-translator')
+
+import cv2
+import json
+import numpy as np
+import importlib.util
+
+spec = importlib.util.spec_from_file_location("manga_translator", "/Users/guillemhernandezsola/code/manga-translator/manga-translator.py")
+mt = importlib.util.module_from_spec(spec)
+spec.loader.exec_module(mt)
+
+image_path = '004.png'
+detector = mt.MacVisionDetector(source_lang='en')
+raw = detector.read(image_path)
+image = cv2.imread(image_path)
+
+# Filter as the pipeline does
+filtered = []
+for bbox, text, conf in raw:
+    t = mt.normalize_text(text)
+    qb = mt.quad_bbox(bbox)
+    
+    if conf < 0.12:
+        continue
+    if len(t) < 1:
+        continue
+    if mt.is_noise_text(t):
+        continue
+    if mt.is_sound_effect(t):
+        continue
+    if mt.is_title_text(t):
+        continue
+    
+    filtered.append((bbox, t, conf))
+
+# Now run grouping
+bubbles, bubble_boxes, bubble_quads, bubble_indices = mt.group_tokens(
+    filtered, image.shape, gap_px=18, bbox_padding=3
+)
+
+# Check current bubbles.json for reference
+with open('bubbles.json') as f:
+    old_bubbles = json.load(f)
+
+print("=== BOX 5 ===")
+print(f"Old bounds (from bubbles.json): x={old_bubbles['5']['x']}, y={old_bubbles['5']['y']}, w={old_bubbles['5']['w']}, h={old_bubbles['5']['h']}")
+print(f"  (xyxy): ({old_bubbles['5']['x']}, {old_bubbles['5']['y']}, {old_bubbles['5']['x'] + old_bubbles['5']['w']}, {old_bubbles['5']['y'] + old_bubbles['5']['h']})")
+
+# Find bubble at that location in current grouping
+for bid, box in bubble_boxes.items():
+    if box[0] == 371 and box[1] == 563:  # New box 5 location
+        print(f"Current bubble {bid}: {box}")
+        print(f"  Detections: {bubble_indices[bid]}")
+        for idx in bubble_indices[bid]:
+            b = mt.quad_bbox(filtered[idx][0])
+            print(f"    {idx}: [{b[0]:3d},{b[1]:3d} -> {b[2]:3d},{b[3]:3d}] = {filtered[idx][1]}")
+
+print("\n=== BOX 7 ===")
+print(f"Old bounds (from bubbles.json): x={old_bubbles['7']['x']}, y={old_bubbles['7']['y']}, w={old_bubbles['7']['w']}, h={old_bubbles['7']['h']}")
+print(f"  (xyxy): ({old_bubbles['7']['x']}, {old_bubbles['7']['y']}, {old_bubbles['7']['x'] + old_bubbles['7']['w']}, {old_bubbles['7']['y'] + old_bubbles['7']['h']})")
+
+# Find corresponding bubble
+for bid, box in bubble_boxes.items():
+    x1, y1, x2, y2 = box
+    # Check if this overlaps with old box 7
+    old_x1, old_y1 = old_bubbles['7']['x'], old_bubbles['7']['y']
+    old_x2 = old_x1 + old_bubbles['7']['w']
+    old_y2 = old_y1 + old_bubbles['7']['h']
+    
+    if not (x2 < old_x1 or x1 > old_x2 or y2 < old_y1 or y1 > old_y2):
+        print(f"Current bubble {bid}: {box}")
+        print(f"  Detections: {bubble_indices[bid]}")
+        for idx in bubble_indices[bid]:
+            b = mt.quad_bbox(filtered[idx][0])
+            print(f"    {idx}: [{b[0]:3d},{b[1]:3d} -> {b[2]:3d},{b[3]:3d}] = {filtered[idx][1]}")

check_grouping_logic.py

@@ -0,0 +1,68 @@
+#!/usr/bin/env python3
+import sys
+sys.path.insert(0, '/Users/guillemhernandezsola/code/manga-translator')
+
+import cv2
+import numpy as np
+import importlib.util
+
+spec = importlib.util.spec_from_file_location("manga_translator", "/Users/guillemhernandezsola/code/manga-translator/manga-translator.py")
+mt = importlib.util.module_from_spec(spec)
+spec.loader.exec_module(mt)
+
+image_path = '004.png'
+detector = mt.MacVisionDetector(source_lang='en')
+raw = detector.read(image_path)
+image = cv2.imread(image_path)
+
+# Filter
+filtered = []
+for bbox, text, conf in raw:
+    t = mt.normalize_text(text)
+    if conf < 0.12 or len(t) < 1 or mt.is_noise_text(t) or mt.is_sound_effect(t) or mt.is_title_text(t):
+        continue
+    filtered.append((bbox, t, conf))
+
+# Get the indices we're interested in (left and right bubbles)
+left_indices = [41, 42, 43, 44, 45, 46]  # LET, GO, OFF, ME, AL-, REA-
+right_indices = [47, 48, 49, 50, 51, 52, 53, 54]  # DON'T, WORRY!, HARUKO, ...
+
+print("=== CHECKING GROUPING CONDITIONS ===\n")
+
+# Check if they would be united in group_tokens
+boxes_left = [mt.quad_bbox(filtered[i][0]) for i in left_indices]
+boxes_right = [mt.quad_bbox(filtered[i][0]) for i in right_indices]
+
+# Check overlap_or_near
+print("Checking overlap_or_near with gap=18:")
+for li, bi in enumerate(left_indices):
+    for ri, bj in enumerate(right_indices):
+        b_left = boxes_left[li]
+        b_right = boxes_right[ri]
+        gap_x = max(0, max(b_left[0], b_right[0]) - min(b_left[2], b_right[2]))
+        gap_y = max(0, max(b_left[1], b_right[1]) - min(b_left[3], b_right[3]))
+        overlaps = gap_x <= 18 and gap_y <= 18
+        if overlaps:
+            print(f"  {bi} and {bj} overlap/near: gap_x={gap_x}, gap_y={gap_y}")
+
+# Check distance check
+hs = [max(1.0, b[3] - b[1]) for b in [*boxes_left, *boxes_right]]
+med_h = float(np.median(hs)) if hs else 12.0
+dist_thresh = max(20.0, med_h * 2.2)
+
+print(f"\nMedian height: {med_h}")
+print(f"Distance threshold: {dist_thresh}")
+
+print("\nChecking distance check:")
+for li, bi in enumerate(left_indices[:1]):  # Just check first from each
+    for ri, bj in enumerate(right_indices[:1]):
+        b_left = boxes_left[li]
+        b_right = boxes_right[ri]
+        cx_left = (b_left[0] + b_left[2]) / 2.0
+        cy_left = (b_left[1] + b_left[3]) / 2.0
+        cx_right = (b_right[0] + b_right[2]) / 2.0
+        cy_right = (b_right[1] + b_right[3]) / 2.0
+        d = ((cx_left - cx_right) ** 2 + (cy_left - cy_right) ** 2) ** 0.5
+        within_dist = d <= dist_thresh
+        within_y = abs(cy_left - cy_right) <= med_h * 3.0
+        print(f"  {bi} to {bj}: distance={d:.1f}, within_dist={within_dist}, within_y_tol={within_y}")

debug_split_phase.py

@@ -0,0 +1,107 @@
+#!/usr/bin/env python3
+# Debug script to see what bubbles are produced after splitting
+
+import sys
+sys.path.insert(0, '/Users/guillemhernandezsola/code/manga-translator')
+
+import cv2
+import json
+import numpy as np
+import importlib.util
+
+spec = importlib.util.spec_from_file_location("manga_translator", "/Users/guillemhernandezsola/code/manga-translator/manga-translator.py")
+mt = importlib.util.module_from_spec(spec)
+spec.loader.exec_module(mt)
+
+image_path = '004.png'
+detector = mt.MacVisionDetector(source_lang='en')
+raw = detector.read(image_path)
+image = cv2.imread(image_path)
+
+# Full filtering as pipeline does
+filtered = []
+skipped = 0
+ih, iw = image.shape[:2]
+
+for bbox, text, conf in raw:
+    t = mt.normalize_text(text)
+    qb = mt.quad_bbox(bbox)
+    
+    if conf < 0.12:
+        skipped += 1
+        continue
+    if len(t) < 1:
+        skipped += 1
+        continue
+    if mt.is_noise_text(t):
+        skipped += 1
+        continue
+    if mt.is_sound_effect(t):
+        skipped += 1
+        continue
+    if mt.is_title_text(t):
+        skipped += 1
+        continue
+    if qb[1] < int(ih * mt.TOP_BAND_RATIO):
+        if conf < 0.70 and len(t) >= 5:
+            skipped += 1
+            continue
+
+    filtered.append((bbox, t, conf))
+
+resolved_gap = mt.auto_gap(image_path)
+bubbles, bubble_boxes, bubble_quads, bubble_indices = mt.group_tokens(
+    filtered, image.shape, gap_px=resolved_gap, bbox_padding=3
+)
+
+print("=== AFTER GROUPING ===")
+print(f"Bubbles dict keys: {sorted(bubbles.keys())}")
+for bid in [7, 8]:
+    if bid in bubbles:
+        print(f"\nBubble {bid}:")
+        print(f"  Box: {bubble_boxes[bid]}")
+        print(f"  Indices ({len(bubble_indices[bid])}): {bubble_indices[bid]}")
+        print(f"  Quads ({len(bubble_quads[bid])})")
+
+# Now simulate the split logic
+new_bubbles, new_bubble_boxes, new_bubble_quads, new_bubble_indices = {}, {}, {}, {}
+next_bid = max(bubbles.keys()) + 1 if bubbles else 1
+splits_performed = []
+
+for bid in list(bubbles.keys()):
+    box = bubble_boxes[bid]
+    bubble_split = None
+    
+    # Try split
+    split_result = mt.split_panel_box(image, box, bubble_quads=bubble_quads[bid])
+    if split_result:
+        box_left, box_right, split_x = split_result
+        # ... split logic ...
+        bubble_split = "panel_split"
+    
+    if bubble_split is None:
+        col_split = mt.split_bubble_if_multiple_columns(bubble_indices[bid], filtered, bid=bid)
+        if col_split:
+            bubble_split = "column_split"
+    
+    if bubble_split:
+        splits_performed.append(f"Bubble {bid}: {bubble_split}")
+        # Don't actually split here, just mark it
+    else:
+        # No split
+        new_bubbles[bid] = bubbles[bid]
+        new_bubble_boxes[bid] = bubble_boxes[bid]
+        new_bubble_quads[bid] = bubble_quads[bid]
+        new_bubble_indices[bid] = bubble_indices[bid]
+
+print("\n=== AFTER SPLIT LOGIC ===")
+print(f"Splits detected: {len(splits_performed)}")
+for s in splits_performed:
+    print(f"  {s}")
+    
+print(f"\nBubbles dict keys: {sorted(new_bubbles.keys())}")
+for bid in [7, 8]:
+    if bid in new_bubbles:
+        print(f"\nBubble {bid}:")
+        print(f"  Box: {new_bubble_boxes[bid]}")
+        print(f"  Indices ({len(new_bubble_indices[bid])}): {new_bubble_indices[bid][:3]}...")

manga-translator.py

@@ -238,8 +238,31 @@ def split_panel_box(image_bgr, bbox_xyxy, bubble_quads=None):
     peak_x_relative = np.argmax(vertical_projection[search_start:search_end]) + search_start
     peak_val = vertical_projection[peak_x_relative]
     
-    # Detect panel border with more sensitive threshold (0.40 instead of 0.60)
+    # Find ALL significant peaks, not just the first
-    # This catches boxes with vertical lines even if they're not super dark
+    # This helps detect internal gaps between text regions (left vs right bubbles)
+    threshold_val = h * 255 * 0.25  # Very sensitive threshold
+    significant_peaks = []
+    
+    for x_rel in range(search_start, search_end):
+        if vertical_projection[x_rel] > threshold_val:
+            significant_peaks.append((x_rel, vertical_projection[x_rel]))
+    
+    # If we have multiple peaks, find the largest gap between text regions
+    # by looking for the valley (lowest projection value) between peaks
+    if len(significant_peaks) > 1:
+        # Find the minimum value (gap) between the first and last peak
+        min_proj_val = np.min(vertical_projection[search_start:search_end])
+        min_proj_idx = np.argmin(vertical_projection[search_start:search_end]) + search_start
+        
+        # Use the valley point as the split, not the peak
+        # This more accurately separates left-aligned vs right-aligned content
+        if min_proj_val < threshold_val * 0.6:  # Valley is clearly a gap
+            split_x_absolute = x1 + min_proj_idx
+            box_left = (x1, y1, split_x_absolute, y2)
+            box_right = (split_x_absolute, y1, x2, y2)
+            return box_left, box_right, split_x_absolute
+    
+    # Fallback: if the main peak is significant enough, use it
     if peak_val > (h * 255 * 0.40):
         split_x_absolute = x1 + peak_x_relative
         box_left = (x1, y1, split_x_absolute, y2)
@@ -289,14 +312,14 @@ def split_bubble_if_multiple_columns(indices, ocr, bid=None, use_aggressive_thre
     
     if use_aggressive_thresholds:
         # Relaxed thresholds for fallback splitting after failed panel border
-        threshold1 = 10.0   # Very low absolute threshold for fallback
+        threshold1 = 80.0   # Increased from 10 to require significant gaps
-        threshold2 = med_h * 0.8  # Even lower relative threshold
+        threshold2 = med_h * 1.2  # Increased from 0.8
-        min_gap = 5.0
+        min_gap = 40.0  # Increased from 5
     else:
-        # Normal thresholds
+        # Normal thresholds - very conservative to avoid breaking valid bubbles
-        threshold1 = 50.0   # Absolute threshold: 50 pixels
+        threshold1 = 120.0  # Increased from 50 - require very large gaps
-        threshold2 = med_h * 2.0  # Relative threshold: 2x line height
+        threshold2 = med_h * 3.0  # Increased from 2.0 - require 3x line height
-        min_gap = 25.0
+        min_gap = 60.0  # Increased from 25
     
 
     
@@ -304,6 +327,12 @@ def split_bubble_if_multiple_columns(indices, ocr, bid=None, use_aggressive_thre
         split_idx = max_gap_idx
         left_indices = [item[0] for item in sorted_items[:split_idx]]
         right_indices = [item[0] for item in sorted_items[split_idx:]]
+        
+        # Additional safety: don't split if one side only has 1 detection
+        # This prevents breaking up valid bubbles with just a few words
+        if len(left_indices) < 2 or len(right_indices) < 2:
+            return None
+        
         return left_indices, right_indices
     
     return None
@@ -637,6 +666,10 @@ def group_tokens(ocr, image_shape, gap_px=18, bbox_padding=3):
     hs = [max(1.0, b[3] - b[1]) for b in boxes]
     med_h = float(np.median(hs)) if hs else 12.0
     dist_thresh = max(20.0, med_h * 2.2)
+    
+    # Adaptive vertical gap: allow up to 1.0x median line height for vertical gaps
+    # This handles cases where lines are spaced further apart (e.g., multi-line bubbles)
+    adaptive_gap_y = max(gap_px, med_h * 1.0)
 
     p = list(range(n))
 
@@ -651,7 +684,13 @@ def group_tokens(ocr, image_shape, gap_px=18, bbox_padding=3):
 
     for i in range(n):
         for j in range(i + 1, n):
-            if overlap_or_near(boxes[i], boxes[j], gap=gap_px):
+            # Use adaptive gap for vertical spacing, fixed gap for horizontal
+            ax1, ay1, ax2, ay2 = boxes[i]
+            bx1, by1, bx2, by2 = boxes[j]
+            gap_x = max(0, max(ax1, bx1) - min(ax2, bx2))
+            gap_y = max(0, max(ay1, by1) - min(ay2, by2))
+            
+            if gap_x <= gap_px and gap_y <= adaptive_gap_y:
                 unite(i, j)
                 continue
             cx1, cy1 = centers[i]
@@ -681,8 +720,12 @@ def group_tokens(ocr, image_shape, gap_px=18, bbox_padding=3):
             continue
 
         x1, y1, x2, y2 = ub
-        x1 = max(0, x1 - bbox_padding); y1 = max(0, y1 - bbox_padding)
+        
-        x2 = min(iw - 1, x2 + bbox_padding); y2 = min(ih - 1, y2 + bbox_padding)
+        # Adaptive padding: scale with median line height to ensure all boundary chars are captured
+        # Use max of fixed padding or line-height-based padding
+        adaptive_pad = max(bbox_padding, int(round(med_h * 0.35)))
+        x1 = max(0, x1 - adaptive_pad); y1 = max(0, y1 - adaptive_pad)
+        x2 = min(iw - 1, x2 + adaptive_pad); y2 = min(ih - 1, y2 + adaptive_pad)
 
         bubbles[bid] = lines
         bubble_boxes[bid] = (x1, y1, x2, y2)

test_panel_split.py

@@ -0,0 +1,75 @@
+#!/usr/bin/env python3
+import sys
+sys.path.insert(0, '/Users/guillemhernandezsola/code/manga-translator')
+
+import cv2
+import numpy as np
+import importlib.util
+
+spec = importlib.util.spec_from_file_location("manga_translator", "/Users/guillemhernandezsola/code/manga-translator/manga-translator.py")
+mt = importlib.util.module_from_spec(spec)
+spec.loader.exec_module(mt)
+
+image_path = '004.png'
+detector = mt.MacVisionDetector(source_lang='en')
+raw = detector.read(image_path)
+image = cv2.imread(image_path)
+
+# Full filtering
+filtered = []
+for bbox, text, conf in raw:
+    t = mt.normalize_text(text)
+    qb = mt.quad_bbox(bbox)
+    
+    if conf < 0.12 or len(t) < 1 or mt.is_noise_text(t) or mt.is_sound_effect(t) or mt.is_title_text(t):
+        continue
+    if qb[1] < int(image.shape[0] * mt.TOP_BAND_RATIO):
+        if conf < 0.70 and len(t) >= 5:
+            continue
+    
+    filtered.append((bbox, t, conf))
+
+# Get grouping
+bubbles, bubble_boxes, bubble_quads, bubble_indices = mt.group_tokens(
+    filtered, image.shape, gap_px=mt.auto_gap(image_path), bbox_padding=3
+)
+
+print("=== TESTING PANEL SPLIT ON BUBBLE 7 ===\n")
+
+bid = 7
+box = bubble_boxes[bid]
+print(f"Bubble {bid} box: {box}")
+print(f"Bubble {bid} quads: {len(bubble_quads[bid])}")
+print(f"Bubble {bid} indices: {len(bubble_indices[bid])}")
+
+# Test split_panel_box
+split_result = mt.split_panel_box(image, box, bubble_quads=bubble_quads[bid])
+
+if split_result:
+    box_left, box_right, split_x = split_result
+    print(f"\n✓ Panel split detected!")
+    print(f"  Split X: {split_x}")
+    print(f"  Left box: {box_left}")
+    print(f"  Right box: {box_right}")
+    
+    # Simulate index split
+    left_idxs, right_idxs = [], []
+    for idx in bubble_indices[bid]:
+        cx, cy = mt.quad_center(filtered[idx][0])
+        if cx < split_x:
+            left_idxs.append(idx)
+        else:
+            right_idxs.append(idx)
+    
+    print(f"\n  Left indices ({len(left_idxs)}): {left_idxs}")
+    print(f"  Right indices ({len(right_idxs)}): {right_idxs}")
+    
+    if left_idxs and right_idxs:
+        print(f"\n✓ Split is valid (both sides have content)")
+    else:
+        print(f"\n✗ Split is invalid (one side is empty)")
+else:
+    print(f"\n✗ No panel split detected")
+    print(f"  Threshold would be: quads >= 10? {len(bubble_quads[bid]) >= 10}")
+    print(f"  Width >= 50? {box[2] - box[0] >= 50}")
+    print(f"  Height >= 50? {box[3] - box[1] >= 50}")