gevi/new_pipeline/functions/calculate_rotation.py
2024-02-26 18:57:33 +01:00

40 lines
1 KiB
Python

import torch
from functions.ImageAlignment import ImageAlignment
@torch.no_grad()
def calculate_rotation(
image_alignment: ImageAlignment,
input: torch.Tensor,
reference_image: torch.Tensor,
batch_size: int,
) -> torch.Tensor:
angle = torch.zeros((input.shape[0]))
data_loader = torch.utils.data.DataLoader(
torch.utils.data.TensorDataset(input),
batch_size=batch_size,
shuffle=False,
)
start_position: int = 0
for input_batch in data_loader:
assert len(input_batch) == 1
end_position = start_position + input_batch[0].shape[0]
angle_temp = image_alignment.dry_run_angle(
input=input_batch[0],
new_reference_image=reference_image,
)
assert angle_temp is not None
angle[start_position:end_position] = angle_temp
start_position += input_batch[0].shape[0]
angle = torch.where(angle >= 180, 360.0 - angle, angle)
angle = torch.where(angle <= -180, 360.0 + angle, angle)
return angle