Eyebrow Mask
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@@ -111,6 +111,23 @@ def swap_face(source_face: Face, target_face: Face, temp_frame: Frame) -> Frame:
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swapped_frame, target_face, eyes_mask_data
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)
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if modules.globals.eyebrows_mask:
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# Create the eyebrows mask
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eyebrows_mask, eyebrows_cutout, eyebrows_box, eyebrows_polygon = (
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create_eyebrows_mask(target_face, temp_frame)
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)
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# Apply the eyebrows area
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swapped_frame = apply_eyebrows_area(
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swapped_frame, eyebrows_cutout, eyebrows_box, face_mask, eyebrows_polygon
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)
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if modules.globals.show_eyebrows_mask_box:
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eyebrows_mask_data = (eyebrows_mask, eyebrows_cutout, eyebrows_box, eyebrows_polygon)
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swapped_frame = draw_eyebrows_mask_visualization(
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swapped_frame, target_face, eyebrows_mask_data
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)
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return swapped_frame
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@@ -859,3 +876,264 @@ def draw_eyes_mask_visualization(
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return vis_frame
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return frame
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def create_eyebrows_mask(face: Face, frame: Frame) -> (np.ndarray, np.ndarray, tuple, np.ndarray):
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mask = np.zeros(frame.shape[:2], dtype=np.uint8)
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eyebrows_cutout = None
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landmarks = face.landmark_2d_106
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if landmarks is not None:
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# Left eyebrow landmarks (97-105) and right eyebrow landmarks (43-51)
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left_eyebrow = landmarks[97:105].astype(np.float32)
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right_eyebrow = landmarks[43:51].astype(np.float32)
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# Calculate centers and dimensions for each eyebrow
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left_center = np.mean(left_eyebrow, axis=0)
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right_center = np.mean(right_eyebrow, axis=0)
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# Calculate bounding box with padding
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all_points = np.vstack([left_eyebrow, right_eyebrow])
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min_x = np.min(all_points[:, 0]) - 25
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max_x = np.max(all_points[:, 0]) + 25
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min_y = np.min(all_points[:, 1]) - 20
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max_y = np.max(all_points[:, 1]) + 15
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# Ensure coordinates are within frame bounds
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min_x = max(0, int(min_x))
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min_y = max(0, int(min_y))
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max_x = min(frame.shape[1], int(max_x))
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max_y = min(frame.shape[0], int(max_y))
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# Create mask for the eyebrows region
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mask_roi = np.zeros((max_y - min_y, max_x - min_x), dtype=np.uint8)
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try:
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# Convert points to local coordinates
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left_local = left_eyebrow - [min_x, min_y]
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right_local = right_eyebrow - [min_x, min_y]
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def create_curved_eyebrow(points):
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if len(points) >= 5:
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# Sort points by x-coordinate
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sorted_idx = np.argsort(points[:, 0])
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sorted_points = points[sorted_idx]
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# Calculate dimensions
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x_min, y_min = np.min(sorted_points, axis=0)
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x_max, y_max = np.max(sorted_points, axis=0)
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width = x_max - x_min
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height = y_max - y_min
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# Create more points for smoother curve
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num_points = 50
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x = np.linspace(x_min, x_max, num_points)
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# Fit cubic curve through points for more natural arch
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coeffs = np.polyfit(sorted_points[:, 0], sorted_points[:, 1], 3)
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y = np.polyval(coeffs, x)
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# Create points for top and bottom curves with varying offsets
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top_offset = np.linspace(height * 0.4, height * 0.3, num_points) # Varying offset for more natural shape
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bottom_offset = np.linspace(height * 0.2, height * 0.15, num_points)
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# Add some randomness to the offsets for more natural look
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top_offset += np.random.normal(0, height * 0.02, num_points)
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bottom_offset += np.random.normal(0, height * 0.01, num_points)
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# Smooth the offsets
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top_offset = cv2.GaussianBlur(top_offset.reshape(-1, 1), (1, 3), 1).reshape(-1)
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bottom_offset = cv2.GaussianBlur(bottom_offset.reshape(-1, 1), (1, 3), 1).reshape(-1)
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top_curve = y - top_offset
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bottom_curve = y + bottom_offset
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# Create curved endpoints
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end_points = 5
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start_curve = np.column_stack((
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np.linspace(x[0] - width * 0.05, x[0], end_points),
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np.linspace(bottom_curve[0], top_curve[0], end_points)
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))
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end_curve = np.column_stack((
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np.linspace(x[-1], x[-1] + width * 0.05, end_points),
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np.linspace(bottom_curve[-1], top_curve[-1], end_points)
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))
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# Combine all points to form a smooth contour
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contour_points = np.vstack([
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start_curve,
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np.column_stack((x, top_curve)),
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end_curve,
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np.column_stack((x[::-1], bottom_curve[::-1]))
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])
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# Add padding and smooth the shape
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center = np.mean(contour_points, axis=0)
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vectors = contour_points - center
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padded_points = center + vectors * 1.2 # 20% padding
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# Convert to integer coordinates and draw
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cv2.fillPoly(mask_roi, [padded_points.astype(np.int32)], 255)
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return padded_points
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return points
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# Generate and draw eyebrow shapes
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left_shape = create_curved_eyebrow(left_local)
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right_shape = create_curved_eyebrow(right_local)
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# Apply multi-stage blurring for natural feathering
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# First, strong Gaussian blur for initial softening
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mask_roi = cv2.GaussianBlur(mask_roi, (21, 21), 7)
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# Second, medium blur for transition areas
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mask_roi = cv2.GaussianBlur(mask_roi, (11, 11), 3)
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# Finally, light blur for fine details
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mask_roi = cv2.GaussianBlur(mask_roi, (5, 5), 1)
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# Normalize mask values
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mask_roi = cv2.normalize(mask_roi, None, 0, 255, cv2.NORM_MINMAX)
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# Place the mask ROI in the full-sized mask
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mask[min_y:max_y, min_x:max_x] = mask_roi
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# Extract the masked area from the frame
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eyebrows_cutout = frame[min_y:max_y, min_x:max_x].copy()
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# Combine points for visualization
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eyebrows_polygon = np.vstack([
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left_shape + [min_x, min_y],
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right_shape + [min_x, min_y]
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]).astype(np.int32)
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except Exception as e:
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# Fallback to simple polygons if curve fitting fails
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left_local = left_eyebrow - [min_x, min_y]
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right_local = right_eyebrow - [min_x, min_y]
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cv2.fillPoly(mask_roi, [left_local.astype(np.int32)], 255)
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cv2.fillPoly(mask_roi, [right_local.astype(np.int32)], 255)
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mask_roi = cv2.GaussianBlur(mask_roi, (21, 21), 7)
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mask[min_y:max_y, min_x:max_x] = mask_roi
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eyebrows_cutout = frame[min_y:max_y, min_x:max_x].copy()
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eyebrows_polygon = np.vstack([left_eyebrow, right_eyebrow]).astype(np.int32)
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return mask, eyebrows_cutout, (min_x, min_y, max_x, max_y), eyebrows_polygon
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def apply_eyebrows_area(
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frame: np.ndarray,
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eyebrows_cutout: np.ndarray,
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eyebrows_box: tuple,
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face_mask: np.ndarray,
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eyebrows_polygon: np.ndarray,
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) -> np.ndarray:
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min_x, min_y, max_x, max_y = eyebrows_box
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box_width = max_x - min_x
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box_height = max_y - min_y
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if (
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eyebrows_cutout is None
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or box_width is None
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or box_height is None
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or face_mask is None
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or eyebrows_polygon is None
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):
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return frame
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try:
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resized_eyebrows_cutout = cv2.resize(eyebrows_cutout, (box_width, box_height))
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roi = frame[min_y:max_y, min_x:max_x]
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if roi.shape != resized_eyebrows_cutout.shape:
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resized_eyebrows_cutout = cv2.resize(
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resized_eyebrows_cutout, (roi.shape[1], roi.shape[0])
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)
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color_corrected_eyebrows = apply_color_transfer(resized_eyebrows_cutout, roi)
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# Create mask for both eyebrows
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polygon_mask = np.zeros(roi.shape[:2], dtype=np.uint8)
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# Split points for left and right eyebrows
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mid_point = len(eyebrows_polygon) // 2
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left_points = eyebrows_polygon[:mid_point] - [min_x, min_y]
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right_points = eyebrows_polygon[mid_point:] - [min_x, min_y]
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# Draw filled polygons
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cv2.fillPoly(polygon_mask, [left_points], 255)
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cv2.fillPoly(polygon_mask, [right_points], 255)
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# Apply strong initial feathering
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polygon_mask = cv2.GaussianBlur(polygon_mask, (21, 21), 7)
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# Apply additional feathering
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feather_amount = min(
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30,
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box_width // modules.globals.mask_feather_ratio,
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box_height // modules.globals.mask_feather_ratio,
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)
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feathered_mask = cv2.GaussianBlur(
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polygon_mask.astype(float), (0, 0), feather_amount
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)
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feathered_mask = feathered_mask / feathered_mask.max()
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# Apply additional smoothing to the mask edges
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feathered_mask = cv2.GaussianBlur(feathered_mask, (5, 5), 1)
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face_mask_roi = face_mask[min_y:max_y, min_x:max_x]
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combined_mask = feathered_mask * (face_mask_roi / 255.0)
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combined_mask = combined_mask[:, :, np.newaxis]
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blended = (
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color_corrected_eyebrows * combined_mask + roi * (1 - combined_mask)
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).astype(np.uint8)
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# Apply face mask to blended result
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face_mask_3channel = (
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np.repeat(face_mask_roi[:, :, np.newaxis], 3, axis=2) / 255.0
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)
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final_blend = blended * face_mask_3channel + roi * (1 - face_mask_3channel)
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frame[min_y:max_y, min_x:max_x] = final_blend.astype(np.uint8)
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except Exception as e:
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pass
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return frame
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def draw_eyebrows_mask_visualization(
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frame: Frame, face: Face, eyebrows_mask_data: tuple
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) -> Frame:
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landmarks = face.landmark_2d_106
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if landmarks is not None and eyebrows_mask_data is not None:
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mask, eyebrows_cutout, (min_x, min_y, max_x, max_y), eyebrows_polygon = eyebrows_mask_data
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vis_frame = frame.copy()
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# Ensure coordinates are within frame bounds
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height, width = vis_frame.shape[:2]
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min_x, min_y = max(0, min_x), max(0, min_y)
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max_x, max_y = min(width, max_x), min(height, max_y)
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# Draw the eyebrows curves
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mid_point = len(eyebrows_polygon) // 2
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left_points = eyebrows_polygon[:mid_point]
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right_points = eyebrows_polygon[mid_point:]
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# Draw smooth curves with anti-aliasing
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cv2.polylines(vis_frame, [left_points], True, (0, 255, 0), 2, cv2.LINE_AA)
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cv2.polylines(vis_frame, [right_points], True, (0, 255, 0), 2, cv2.LINE_AA)
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# Add label
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cv2.putText(
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vis_frame,
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"Eyebrows Mask",
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(min_x, min_y - 10),
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cv2.FONT_HERSHEY_SIMPLEX,
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0.5,
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(255, 255, 255),
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1,
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)
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return vis_frame
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return frame
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