Update facetools.py

Facetools nodes were cutting off faces that extended beyond chunk boundaries in some cases. All faces found are considered and are coalesced rather than pruned, meaning that you should not see half a face any more.
This commit is contained in:
Jonathan 2023-10-13 15:07:08 -05:00 committed by psychedelicious
parent 6994783c17
commit ffb01f1345

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@ -46,6 +46,8 @@ class FaceResultData(TypedDict):
y_center: float
mesh_width: int
mesh_height: int
chunk_x_offset: int
chunk_y_offset: int
class FaceResultDataWithId(FaceResultData):
@ -78,6 +80,48 @@ FONT_SIZE = 32
FONT_STROKE_WIDTH = 4
def coalesce_faces(face1: FaceResultData, face2: FaceResultData) -> FaceResultData:
face1_x_offset = face1["chunk_x_offset"] - min(face1["chunk_x_offset"], face2["chunk_x_offset"])
face2_x_offset = face2["chunk_x_offset"] - min(face1["chunk_x_offset"], face2["chunk_x_offset"])
face1_y_offset = face1["chunk_y_offset"] - min(face1["chunk_y_offset"], face2["chunk_y_offset"])
face2_y_offset = face2["chunk_y_offset"] - min(face1["chunk_y_offset"], face2["chunk_y_offset"])
new_im_width = (
max(face1["image"].width, face2["image"].width)
+ max(face1["chunk_x_offset"], face2["chunk_x_offset"])
- min(face1["chunk_x_offset"], face2["chunk_x_offset"])
)
new_im_height = (
max(face1["image"].height, face2["image"].height)
+ max(face1["chunk_y_offset"], face2["chunk_y_offset"])
- min(face1["chunk_y_offset"], face2["chunk_y_offset"])
)
pil_image = Image.new(mode=face1["image"].mode, size=(new_im_width, new_im_height))
pil_image.paste(face1["image"], (face1_x_offset, face1_y_offset))
pil_image.paste(face2["image"], (face2_x_offset, face2_y_offset))
# Mask images are always from the origin
new_mask_im_width = max(face1["mask"].width, face2["mask"].width)
new_mask_im_height = max(face1["mask"].height, face2["mask"].height)
mask_pil = create_white_image(new_mask_im_width, new_mask_im_height)
black_image = create_black_image(face1["mask"].width, face1["mask"].height)
mask_pil.paste(black_image, (0, 0), ImageOps.invert(face1["mask"]))
black_image = create_black_image(face2["mask"].width, face2["mask"].height)
mask_pil.paste(black_image, (0, 0), ImageOps.invert(face2["mask"]))
new_face = FaceResultData(
image=pil_image,
mask=mask_pil,
x_center=max(face1["x_center"], face2["x_center"]),
y_center=max(face1["y_center"], face2["y_center"]),
mesh_width=max(face1["mesh_width"], face2["mesh_width"]),
mesh_height=max(face1["mesh_height"], face2["mesh_height"]),
chunk_x_offset=max(face1["chunk_x_offset"], face2["chunk_x_offset"]),
chunk_y_offset=max(face2["chunk_y_offset"], face2["chunk_y_offset"]),
)
return new_face
def prepare_faces_list(
face_result_list: list[FaceResultData],
) -> list[FaceResultDataWithId]:
@ -91,7 +135,7 @@ def prepare_faces_list(
should_add = True
candidate_x_center = candidate["x_center"]
candidate_y_center = candidate["y_center"]
for face in deduped_faces:
for idx, face in enumerate(deduped_faces):
face_center_x = face["x_center"]
face_center_y = face["y_center"]
face_radius_w = face["mesh_width"] / 2
@ -105,6 +149,7 @@ def prepare_faces_list(
)
if p < 1: # Inside of the already-added face's radius
deduped_faces[idx] = coalesce_faces(face, candidate)
should_add = False
break
@ -138,7 +183,6 @@ def generate_face_box_mask(
chunk_x_offset: int = 0,
chunk_y_offset: int = 0,
draw_mesh: bool = True,
check_bounds: bool = True,
) -> list[FaceResultData]:
result = []
mask_pil = None
@ -211,33 +255,20 @@ def generate_face_box_mask(
mask_pil = create_white_image(w + chunk_x_offset, h + chunk_y_offset)
mask_pil.paste(init_mask_pil, (chunk_x_offset, chunk_y_offset))
left_side = x_center - mesh_width
right_side = x_center + mesh_width
top_side = y_center - mesh_height
bottom_side = y_center + mesh_height
im_width, im_height = pil_image.size
over_w = im_width * 0.1
over_h = im_height * 0.1
if not check_bounds or (
(left_side >= -over_w)
and (right_side < im_width + over_w)
and (top_side >= -over_h)
and (bottom_side < im_height + over_h)
):
x_center = float(x_center)
y_center = float(y_center)
face = FaceResultData(
image=pil_image,
mask=mask_pil or create_white_image(*pil_image.size),
x_center=x_center + chunk_x_offset,
y_center=y_center + chunk_y_offset,
mesh_width=mesh_width,
mesh_height=mesh_height,
)
x_center = float(x_center)
y_center = float(y_center)
face = FaceResultData(
image=pil_image,
mask=mask_pil or create_white_image(*pil_image.size),
x_center=x_center + chunk_x_offset,
y_center=y_center + chunk_y_offset,
mesh_width=mesh_width,
mesh_height=mesh_height,
chunk_x_offset=chunk_x_offset,
chunk_y_offset=chunk_y_offset,
)
result.append(face)
else:
context.services.logger.info("FaceTools --> Face out of bounds, ignoring.")
result.append(face)
return result
@ -346,7 +377,6 @@ def get_faces_list(
chunk_x_offset=0,
chunk_y_offset=0,
draw_mesh=draw_mesh,
check_bounds=False,
)
if should_chunk or len(result) == 0:
context.services.logger.info("FaceTools --> Chunking image (chunk toggled on, or no face found in full image).")
@ -360,24 +390,26 @@ def get_faces_list(
if width > height:
# Landscape - slice the image horizontally
fx = 0.0
steps = int(width * 2 / height)
steps = int(width * 2 / height) + 1
increment = (width - height) / (steps - 1)
while fx <= (width - height):
x = int(fx)
image_chunks.append(image.crop((x, 0, x + height - 1, height - 1)))
image_chunks.append(image.crop((x, 0, x + height, height)))
x_offsets.append(x)
y_offsets.append(0)
fx += (width - height) / steps
fx += increment
context.services.logger.info(f"FaceTools --> Chunk starting at x = {x}")
elif height > width:
# Portrait - slice the image vertically
fy = 0.0
steps = int(height * 2 / width)
steps = int(height * 2 / width) + 1
increment = (height - width) / (steps - 1)
while fy <= (height - width):
y = int(fy)
image_chunks.append(image.crop((0, y, width - 1, y + width - 1)))
image_chunks.append(image.crop((0, y, width, y + width)))
x_offsets.append(0)
y_offsets.append(y)
fy += (height - width) / steps
fy += increment
context.services.logger.info(f"FaceTools --> Chunk starting at y = {y}")
for idx in range(len(image_chunks)):
@ -404,7 +436,7 @@ def get_faces_list(
return all_faces
@invocation("face_off", title="FaceOff", tags=["image", "faceoff", "face", "mask"], category="image", version="1.0.1")
@invocation("face_off", title="FaceOff", tags=["image", "faceoff", "face", "mask"], category="image", version="1.0.2")
class FaceOffInvocation(BaseInvocation):
"""Bound, extract, and mask a face from an image using MediaPipe detection"""
@ -498,7 +530,7 @@ class FaceOffInvocation(BaseInvocation):
return output
@invocation("face_mask_detection", title="FaceMask", tags=["image", "face", "mask"], category="image", version="1.0.1")
@invocation("face_mask_detection", title="FaceMask", tags=["image", "face", "mask"], category="image", version="1.0.2")
class FaceMaskInvocation(BaseInvocation):
"""Face mask creation using mediapipe face detection"""
@ -616,7 +648,7 @@ class FaceMaskInvocation(BaseInvocation):
@invocation(
"face_identifier", title="FaceIdentifier", tags=["image", "face", "identifier"], category="image", version="1.0.1"
"face_identifier", title="FaceIdentifier", tags=["image", "face", "identifier"], category="image", version="1.0.2"
)
class FaceIdentifierInvocation(BaseInvocation):
"""Outputs an image with detected face IDs printed on each face. For use with other FaceTools."""