Datasets:

tuhink
/

cambench_optical_flow

video_name stringlengths 11 70	num_frames int32 2 4	num_flows int32 1 3	question stringclasses 13 values	label stringclasses 2 values	video_path stringlengths 18 77
338.2.26.mp4	4	3	Does the camera tilt downward?	Yes	videos/338.2.26.mp4
338.2.26.mp4	4	3	Does the camera pan to the left?	Yes	videos/338.2.26.mp4
338.2.26.mp4	4	3	Does the camera tilt upward?	No	videos/338.2.26.mp4
338.2.26.mp4	4	3	Does the camera move rightward in the scene?	No	videos/338.2.26.mp4
338.2.26.mp4	4	3	Does the camera pan to the right?	No	videos/338.2.26.mp4
JDaw5I_5hPk.0.23.mp4	3	2	Does the camera tilt downward?	Yes	videos/JDaw5I_5hPk.0.23.mp4
JDaw5I_5hPk.0.23.mp4	3	2	Does the camera move leftward in the scene?	No	videos/JDaw5I_5hPk.0.23.mp4
JDaw5I_5hPk.0.23.mp4	3	2	Does the camera move rightward in the scene?	No	videos/JDaw5I_5hPk.0.23.mp4
OCBYMQzG44U.2.23.mp4	3	2	Does the camera tilt downward?	Yes	videos/OCBYMQzG44U.2.23.mp4
OCBYMQzG44U.2.23.mp4	3	2	Does the camera pan to the left?	Yes	videos/OCBYMQzG44U.2.23.mp4
OCBYMQzG44U.2.23.mp4	3	2	Does the camera tilt upward?	No	videos/OCBYMQzG44U.2.23.mp4
OCBYMQzG44U.2.23.mp4	3	2	Does the camera move rightward in the scene?	No	videos/OCBYMQzG44U.2.23.mp4
OCBYMQzG44U.2.23.mp4	3	2	Does the camera pan to the right?	No	videos/OCBYMQzG44U.2.23.mp4
942.0.30.mp4	3	2	Does the camera tilt downward?	Yes	videos/942.0.30.mp4
942.0.30.mp4	3	2	Does the camera pan to the left?	Yes	videos/942.0.30.mp4
942.0.30.mp4	3	2	Does the camera move backward (not zooming out) with respect to the initial frame?	Yes	videos/942.0.30.mp4
942.0.30.mp4	3	2	Does the camera tilt upward?	No	videos/942.0.30.mp4
942.0.30.mp4	3	2	Does the camera move rightward in the scene?	No	videos/942.0.30.mp4
942.0.30.mp4	3	2	Does the camera move leftward in the scene?	No	videos/942.0.30.mp4
942.0.30.mp4	3	2	Does the camera pan to the right?	No	videos/942.0.30.mp4
942.0.30.mp4	3	2	Does the camera zoom in?	No	videos/942.0.30.mp4
942.0.30.mp4	3	2	Does the camera move forward (not zooming in) with respect to the initial frame?	No	videos/942.0.30.mp4
5454.1.13.mp4	3	2	Is the camera completely still without any motion or shaking?	Yes	videos/5454.1.13.mp4
5454.1.13.mp4	3	2	Does the camera pan to the right?	No	videos/5454.1.13.mp4
5454.1.13.mp4	3	2	Does the camera pan to the left?	No	videos/5454.1.13.mp4
CQYQKehqjgI.3.mp4	4	3	Is the camera completely still without any motion or shaking?	Yes	videos/CQYQKehqjgI.3.mp4
CQYQKehqjgI.3.mp4	4	3	Does the camera tilt downward?	No	videos/CQYQKehqjgI.3.mp4
CQYQKehqjgI.3.mp4	4	3	Does the camera pan to the left?	No	videos/CQYQKehqjgI.3.mp4
FOtmU0oJf-8.0.8.mp4	4	3	Does the camera move forward (not zooming in) with respect to the initial frame?	Yes	videos/FOtmU0oJf-8.0.8.mp4
FOtmU0oJf-8.0.8.mp4	4	3	Does the camera zoom out?	No	videos/FOtmU0oJf-8.0.8.mp4
FOtmU0oJf-8.0.8.mp4	4	3	Does the camera move backward (not zooming out) with respect to the initial frame?	No	videos/FOtmU0oJf-8.0.8.mp4
2530.0.9.mp4	3	2	Does the camera move leftward in the scene?	Yes	videos/2530.0.9.mp4
2530.0.9.mp4	3	2	Does the camera move forward (not zooming in) with respect to the initial frame?	Yes	videos/2530.0.9.mp4
2530.0.9.mp4	3	2	Does the camera move rightward in the scene?	No	videos/2530.0.9.mp4
2530.0.9.mp4	3	2	Does the camera move backward (not zooming out) with respect to the initial frame?	No	videos/2530.0.9.mp4
2530.0.9.mp4	3	2	Does the camera zoom out?	No	videos/2530.0.9.mp4
sLX9J2NBL3w.0.6.mp4	2	1	Does the camera zoom in?	Yes	videos/sLX9J2NBL3w.0.6.mp4
sLX9J2NBL3w.0.6.mp4	2	1	Does the camera zoom out?	No	videos/sLX9J2NBL3w.0.6.mp4
sLX9J2NBL3w.0.6.mp4	2	1	Does the camera move backward (not zooming out) with respect to the initial frame?	No	videos/sLX9J2NBL3w.0.6.mp4
wrW0enIo2u8.0.6.mp4	3	2	Does the camera move rightward in the scene?	Yes	videos/wrW0enIo2u8.0.6.mp4
wrW0enIo2u8.0.6.mp4	3	2	Does the camera move leftward in the scene?	No	videos/wrW0enIo2u8.0.6.mp4
wrW0enIo2u8.0.6.mp4	3	2	Does the camera move.backward (not zooming out) with respect to the initial frame?	No	videos/wrW0enIo2u8.0.6.mp4
6303.0.21.mp4	3	2	Does the camera move forward (not zooming in) with respect to the initial frame?	Yes	videos/6303.0.21.mp4
6303.0.21.mp4	3	2	Does the camera zoom out?	No	videos/6303.0.21.mp4
6303.0.21.mp4	3	2	Does the camera move backward (not zooming out) with respect to the initial frame?	No	videos/6303.0.21.mp4
1560.0.15.mp4	4	3	Does the camera move backward (not zooming out) with respect to the initial frame?	Yes	videos/1560.0.15.mp4
1560.0.15.mp4	4	3	Does the camera zoom in?	No	videos/1560.0.15.mp4
1560.0.15.mp4	4	3	Does the camera move forward (not zooming in) with respect to the initial frame?	No	videos/1560.0.15.mp4
190.2.9.mp4	4	3	Does the camera move backward (not zooming out) with respect to the initial frame?	Yes	videos/190.2.9.mp4
190.2.9.mp4	4	3	Does the camera zoom in?	No	videos/190.2.9.mp4
190.2.9.mp4	4	3	Does the camera move forward (not zooming in) with respect to the initial frame?	No	videos/190.2.9.mp4
_I6Y-rtiTPc.0.2.mp4	2	1	Does the camera zoom in?	Yes	videos/_I6Y-rtiTPc.0.2.mp4
_I6Y-rtiTPc.0.2.mp4	2	1	Does the camera zoom out?	No	videos/_I6Y-rtiTPc.0.2.mp4
_I6Y-rtiTPc.0.2.mp4	2	1	Does the camera move backward (not zooming out) with respect to the initial frame?	No	videos/_I6Y-rtiTPc.0.2.mp4
H4AZhS5WqKk.2.19.mp4	4	3	Does the camera tilt upward?	Yes	videos/H4AZhS5WqKk.2.19.mp4
H4AZhS5WqKk.2.19.mp4	4	3	Does the camera move forward (not zooming in) with respect to the initial frame?	Yes	videos/H4AZhS5WqKk.2.19.mp4
H4AZhS5WqKk.2.19.mp4	4	3	Does the camera move backward (not zooming out) with respect to the initial frame?	No	videos/H4AZhS5WqKk.2.19.mp4
H4AZhS5WqKk.2.19.mp4	4	3	Does the camera tilt downward?	No	videos/H4AZhS5WqKk.2.19.mp4
H4AZhS5WqKk.2.19.mp4	4	3	Does the camera move leftward in the scene?	No	videos/H4AZhS5WqKk.2.19.mp4
H4AZhS5WqKk.2.19.mp4	4	3	Does the camera zoom out?	No	videos/H4AZhS5WqKk.2.19.mp4
3005.1.15.mp4	3	2	Is the camera completely still without any motion or shaking?	Yes	videos/3005.1.15.mp4
3005.1.15.mp4	3	2	Does the camera pan to the right?	No	videos/3005.1.15.mp4
3005.1.15.mp4	3	2	Does the camera pan to the left?	No	videos/3005.1.15.mp4
4021298.0.4.mp4	3	2	Does the camera pan to the right?	Yes	videos/4021298.0.4.mp4
4021298.0.4.mp4	3	2	Does the camera tilt upward?	Yes	videos/4021298.0.4.mp4
4021298.0.4.mp4	3	2	Does the camera pan to the left?	No	videos/4021298.0.4.mp4
4021298.0.4.mp4	3	2	Does the camera tilt downward?	No	videos/4021298.0.4.mp4
4021298.0.4.mp4	3	2	Does the camera.move rightward in the scene?	No	videos/4021298.0.4.mp4
4021298.0.4.mp4	3	2	Does the camera move leftward in the scene?	No	videos/4021298.0.4.mp4
2530.0.10.mp4	3	2	Is the camera completely still without any motion or shaking?	Yes	videos/2530.0.10.mp4
2530.0.10.mp4	3	2	Does the camera pan to the left?	No	videos/2530.0.10.mp4
2530.0.10.mp4	3	2	Does the camera tilt downward?	No	videos/2530.0.10.mp4
ti231UvSvfQ.12.2.mp4	2	1	Is the camera completely still without any motion or shaking?	Yes	videos/ti231UvSvfQ.12.2.mp4
ti231UvSvfQ.12.2.mp4	2	1	Does the camera tilt downward?	No	videos/ti231UvSvfQ.12.2.mp4
ti231UvSvfQ.12.2.mp4	2	1	Does the camera zoom out?	No	videos/ti231UvSvfQ.12.2.mp4
338.2.6.mp4	2	1	Is the camera completely still without any motion or shaking?	Yes	videos/338.2.6.mp4
338.2.6.mp4	2	1	Does the camera pan to the left?	No	videos/338.2.6.mp4
338.2.6.mp4	2	1	Does the camera pan to the right?	No	videos/338.2.6.mp4
1560.0.11.mp4	3	2	Does the camera tilt upward?	Yes	videos/1560.0.11.mp4
1560.0.11.mp4	3	2	Does the camera move forward (not zooming in) with respect to the initial frame?	Yes	videos/1560.0.11.mp4
1560.0.11.mp4	3	2	Does the camera tilt downward?	No	videos/1560.0.11.mp4
1560.0.11.mp4	3	2	Does the camera zoom out?	No	videos/1560.0.11.mp4
1560.0.11.mp4	3	2	Does the camera move leftward in the scene?	No	videos/1560.0.11.mp4
1560.0.11.mp4	3	2	Does the camera move backward (not zooming out) with respect to the initial frame?	No	videos/1560.0.11.mp4
4080.2.4.mp4	3	2	Is the camera completely still without any motion or shaking?	Yes	videos/4080.2.4.mp4
4080.2.4.mp4	3	2	Does the camera tilt upward?	No	videos/4080.2.4.mp4
4080.2.4.mp4	3	2	Does the camera tilt downward?	No	videos/4080.2.4.mp4
5679.1.1.mp4	3	2	Is the camera completely still without any motion or shaking?	Yes	videos/5679.1.1.mp4
5679.1.1.mp4	3	2	Does the camera move backward (not zooming out) with respect to the initial frame?	No	videos/5679.1.1.mp4
5679.1.1.mp4	3	2	Does the camera pan to the left?	No	videos/5679.1.1.mp4
KI2lsdXJQ40.0.11.mp4	3	2	Is the camera completely still without any motion or shaking?	Yes	videos/KI2lsdXJQ40.0.11.mp4
KI2lsdXJQ40.0.11.mp4	3	2	Does the camera tilt upward?	No	videos/KI2lsdXJQ40.0.11.mp4
KI2lsdXJQ40.0.11.mp4	3	2	Does the camera pan to the left?	No	videos/KI2lsdXJQ40.0.11.mp4
bX8GaZ3O4-Q.3.8.mp4	4	3	Is the camera completely still without any motion or shaking?	Yes	videos/bX8GaZ3O4-Q.3.8.mp4
bX8GaZ3O4-Q.3.8.mp4	4	3	Does the camera tilt downward?	No	videos/bX8GaZ3O4-Q.3.8.mp4
bX8GaZ3O4-Q.3.8.mp4	4	3	Does the camera tilt upward?	No	videos/bX8GaZ3O4-Q.3.8.mp4
60.0.12.mp4	3	2	Does the camera move rightward in the scene?	Yes	videos/60.0.12.mp4
60.0.12.mp4	3	2	Does the camera pan to the right?	Yes	videos/60.0.12.mp4
60.0.12.mp4	3	2	Does the camera tilt upward?	Yes	videos/60.0.12.mp4
60.0.12.mp4	3	2	Does the camera move forward (not zooming in) with respect to the initial frame?	No	videos/60.0.12.mp4

End of preview. Expand in Data Studio

CameraBench optical flow dataset

A balanced VQA dataset for evaluating camera motion understanding in videos.

📊 Dataset Statistics

Total Questions: 249
Unique Videos: 70
Unique Questions: 13
Yes Answers: 89 (35.7%)
No Answers: 160 (64.3%)
Balance Ratio: 0.56
Total Size: 258.40 MB (0.25 GB)
Average Video Size: 3.69 MB

🎯 Task Categories

This dataset covers various camera motion tasks.

📝 Dataset Format

The dataset consists of MP4 video files with frames and optical flows stored in Parquet format.

Each record contains:

video_name: Original video filename
video_path: Relative path to video file (e.g., videos/video.mp4)
frames: Sequence of extracted video frames
optical_flows: Sequence of optical flow visualizations
question: Binary question about camera motion
label: Answer ("Yes" or "No")

Split: train

Statistics

Total Questions: 5816
Unique Videos: 207
Unique Questions: 518
Yes Answers: 2908 (50.0%)
No Answers: 2908 (50.0%)
Balance Ratio: 1.0
Total Size: 5073.39 MB (4.95 GB)
Average Video Size: 24.51 MB

Format: WebDataset

This split uses WebDataset format for efficient streaming:

Tar Shards: 16 tar files
Path: webdataset/train/train-*.tar
Structure: Each tar contains frames, optical flows, and metadata in WebDataset format
Usage: Load with webdataset library for streaming access

import webdataset as wds

dataset = wds.WebDataset("path/to/train-*.tar").decode("rgb")
for sample in dataset:
    video_name = sample["video_name"]
    frames = [sample[f"frame_{i:04d}.png"] for i in range(sample["num_frames"])]
    flows = [sample[f"flow_{i:04d}.png"] for i in range(sample["num_flows"])]
    # ...process sample...

Split: test

Total Questions: 249
Unique Videos: 70
Unique Questions: 13
Yes Answers: 89 (35.7%)
No Answers: 160 (64.3%)
Balance Ratio: 0.55625
Total Size: 258.40 MB (0.25 GB)
Average Video Size: 3.69 MB

Downloads last month: 291

Size of downloaded dataset files:

521 MB

Size of the auto-converted Parquet files:

521 MB

Number of rows:

249