|
|
|
|
|
|
|
|
|
|
|
|
| import cv2 |
| import numpy as np |
| import sys |
|
|
| """Keys in round_001.npz: |
| 'images': shape=(1215, 3, 448, 736), dtype=uint8 |
| 'actions': shape=(1215,), dtype=int64 |
| 'states': shape=(1215, 3), dtype=float64 |
| 'attention_mask': shape=(1215,), dtype=uint8 """ |
| def view_npz_video(arr, fps=30): |
| print(f"Displaying array: shape={arr.shape}, dtype={arr.dtype}") |
| # If shape is (N, 3, H, W), transpose to (N, H, W, 3) |
| if arr.ndim == 4 and arr.shape[1] == 3: |
| arr = arr.transpose(0, 2, 3, 1) |
| for i in range(arr.shape[0]): |
| frame = arr[i] |
| if frame.dtype != np.uint8: |
| frame = cv2.normalize(frame, None, 0, 255, cv2.NORM_MINMAX) |
| frame = frame.astype(np.uint8) |
| if frame.ndim == 2: |
| frame = cv2.cvtColor(frame, cv2.COLOR_GRAY2RGB) |
| elif frame.shape[2] == 3: |
| frame = cv2.cvtColor(frame, cv2.COLOR_RGB2BGR) |
| cv2.imshow('Video', frame) |
| if cv2.waitKey(int(1000/fps)) & 0xFF == ord('q'): |
| break |
| cv2.destroyAllWindows() |
| |
| if __name__ == "__main__": |
| if len(sys.argv) < 2: |
| print("Usage: python view_npz.py <file.npz> [key] [fps]") |
| sys.exit(1) |
| npz_path = sys.argv[1] |
| key = sys.argv[2] if len(sys.argv) > 2 else None |
| fps = int(sys.argv[3]) if len(sys.argv) > 3 else 30 |
| |
| data = np.load(npz_path, allow_pickle=True) |
| if key is None: |
| key = data.files[0] |
| arr = data[key] |
| view_npz_video(arr, fps) |
| #usage : python view_npz.py t3_data/round_001.npz pose_images 30 |
