impoves code

This commit is contained in:
franksim
2025-11-07 11:15:51 +01:00
parent 74da909b30
commit 8fc3559d6c
2 changed files with 10 additions and 15 deletions

View File

@@ -10,21 +10,20 @@ def get_anchor_grid(
aspect_ratios: Sequence[float],
) -> np.ndarray:
anchor_grid = np.empty(
[len(width), len(ratio), num_rows, num_cols, 4], dtype=int)
for width_idx, width in enumerate(anchor_widths):
for ratio_idx, ratio in enumerate(aspect_ratios):
for row in range(num_rows):
for col in range(num_cols):
anchor_point = (
col * scale_factor + scale_factor/2, row * scale_factor + scale_factor / 2)
anchor_grid[width_idx, ratio_idx, row, col] = get_box(
width, ratio, anchor_point)
[len(anchor_widths), len(aspect_ratios), num_rows, num_cols, 4], dtype=float)
for (width_idx, ratio_idx, row, col) in np.ndindex(anchor_grid.shape[:-1]):
anchor_point = (
col * scale_factor + scale_factor / 2, row * scale_factor + scale_factor / 2)
width = anchor_widths[width_idx]
ratio = aspect_ratios[ratio_idx]
anchor_grid[width_idx, ratio_idx, row, col] = get_box(
width, ratio, anchor_point)
return anchor_grid
def get_box(width: float, ratio: float, anchor_point: tuple[float, float]) -> np.ndarray:
box = np.empty(4)
box = np.empty(4, dtype=float)
box[0] = anchor_point[0] - (width / 2)
box[1] = anchor_point[1] - (width * ratio / 2)
box[2] = anchor_point[0] + (width / 2)