Create How to load in Python
Browse files- How to load in Python +31 -0
How to load in Python
ADDED
|
@@ -0,0 +1,31 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
## Load in Python
|
| 2 |
+
|
| 3 |
+
import pandas as pd
|
| 4 |
+
from pathlib import Path
|
| 5 |
+
import cv2
|
| 6 |
+
|
| 7 |
+
# annotations
|
| 8 |
+
csv_path = "annotations.csv"
|
| 9 |
+
df = pd.read_csv(csv_path)
|
| 10 |
+
|
| 11 |
+
# view first rows
|
| 12 |
+
print(df.head())
|
| 13 |
+
|
| 14 |
+
# access a clip
|
| 15 |
+
row = df.iloc[0]
|
| 16 |
+
video_file = Path(row.video_path)
|
| 17 |
+
|
| 18 |
+
# basic frame iterator
|
| 19 |
+
cap = cv2.VideoCapture(str(video_file))
|
| 20 |
+
frames = []
|
| 21 |
+
while True:
|
| 22 |
+
ok, frame = cap.read()
|
| 23 |
+
if not ok:
|
| 24 |
+
break
|
| 25 |
+
frames.append(frame)
|
| 26 |
+
cap.release()
|
| 27 |
+
|
| 28 |
+
print("frames:", len(frames))
|
| 29 |
+
print("object_class:", row.object_class)
|
| 30 |
+
print("container:", row.container_type)
|
| 31 |
+
print("outcome:", row.outcome)
|