Shit / roop /processors /Frame_Masking.py
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import cv2
import numpy as np
import onnxruntime
import roop.globals
from roop.utilities import resolve_relative_path
from roop.typing import Frame
class Frame_Masking:
plugin_options: dict = None
model_masking = None
devicename = None
name = None
processorname = "removebg"
type = "frame_masking"
def Initialize(self, plugin_options: dict):
if self.plugin_options is not None:
if self.plugin_options["devicename"] != plugin_options["devicename"]:
self.Release()
self.plugin_options = plugin_options
if self.model_masking is None:
# replace Mac mps with cpu for the moment
self.devicename = self.plugin_options["devicename"]
self.devicename = self.devicename.replace("mps", "cpu")
model_path = resolve_relative_path("../models/Frame/isnet-general-use.onnx")
self.model_masking = onnxruntime.InferenceSession(
model_path, None, providers=roop.globals.execution_providers
)
self.model_inputs = self.model_masking.get_inputs()
model_outputs = self.model_masking.get_outputs()
self.io_binding = self.model_masking.io_binding()
self.io_binding.bind_output(model_outputs[0].name, self.devicename)
def Run(self, temp_frame: Frame) -> Frame:
# Pre process:Resize, BGR->RGB, float32 cast
input_image = cv2.resize(temp_frame, (1024, 1024))
input_image = cv2.cvtColor(input_image, cv2.COLOR_BGR2RGB)
mean = [0.5, 0.5, 0.5]
std = [1.0, 1.0, 1.0]
input_image = (input_image / 255.0 - mean) / std
input_image = input_image.transpose(2, 0, 1)
input_image = np.expand_dims(input_image, axis=0)
input_image = input_image.astype("float32")
self.io_binding.bind_cpu_input(self.model_inputs[0].name, input_image)
self.model_masking.run_with_iobinding(self.io_binding)
ort_outs = self.io_binding.copy_outputs_to_cpu()
result = ort_outs[0][0]
del ort_outs
# Post process:squeeze, Sigmoid, Normarize, uint8 cast
mask = np.squeeze(result[0])
min_value = np.min(mask)
max_value = np.max(mask)
mask = (mask - min_value) / (max_value - min_value)
# mask = np.where(mask < score_th, 0, 1)
# mask *= 255
mask = cv2.resize(
mask,
(temp_frame.shape[1], temp_frame.shape[0]),
interpolation=cv2.INTER_LINEAR,
)
mask = np.reshape(mask, [mask.shape[0], mask.shape[1], 1])
result = mask * temp_frame.astype(np.float32)
return result.astype(np.uint8)
def Release(self):
del self.model_masking
self.model_masking = None
del self.io_binding
self.io_binding = None