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SynBench/videos/C-Real/000000.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Down", "Left", "Up", "Right" ]
D
Right
right
right
1
SynBench/videos/C-Real/000001.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Right", "Up", "Left", "Down" ]
A
Right
right
right
2
SynBench/videos/C-Real/000002.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Up", "Right", "Down", "Left" ]
B
Right
right
right
3
SynBench/videos/C-Real/000003.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Left", "Right", "Down", "Up" ]
B
Right
right
right
4
SynBench/videos/C-Real/000004.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Down", "Right", "Left", "Up" ]
B
Right
right
right
5
SynBench/videos/C-Real/000005.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Left", "Down", "Up", "Right" ]
D
Right
right
right
6
SynBench/videos/C-Real/000006.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Right", "Left", "Up", "Down" ]
A
Right
right
right
7
SynBench/videos/C-Real/000007.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Down", "Left", "Up", "Right" ]
D
Right
right
right
8
SynBench/videos/C-Real/000008.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Down", "Left", "Up", "Right" ]
D
Right
right
right
9
SynBench/videos/C-Real/000009.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Left", "Down", "Up", "Right" ]
D
Right
right
right
10
SynBench/videos/C-Real/000010.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Right", "Left", "Up", "Down" ]
A
Right
right
right
11
SynBench/videos/C-Real/000011.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Right", "Left", "Up", "Down" ]
A
Right
right
right
12
SynBench/videos/C-Real/000012.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Right", "Left", "Down", "Up" ]
A
Right
right
right
13
SynBench/videos/C-Real/000013.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Up", "Right", "Left", "Down" ]
B
Right
right
right
14
SynBench/videos/C-Real/000014.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Down", "Up", "Right", "Left" ]
C
Right
right
right
15
SynBench/videos/C-Real/000015.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Down", "Left", "Up", "Right" ]
D
Right
right
right
16
SynBench/videos/C-Real/000016.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Up", "Left", "Down", "Right" ]
D
Right
right
right
17
SynBench/videos/C-Real/000017.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Right", "Left", "Up", "Down" ]
A
Right
right
right
18
SynBench/videos/C-Real/000018.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Left", "Right", "Up", "Down" ]
B
Right
right
right
19
SynBench/videos/C-Real/000019.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Left", "Down", "Up", "Right" ]
D
Right
right
right
20
SynBench/videos/C-Real/000020.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Down", "Up", "Left", "Right" ]
D
Right
right
right
21
SynBench/videos/C-Real/000021.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Left", "Right", "Up", "Down" ]
B
Right
right
right
22
SynBench/videos/C-Real/000022.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Right", "Up", "Left", "Down" ]
A
Right
right
right
23
SynBench/videos/C-Real/000023.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Up", "Left", "Down", "Right" ]
D
Right
right
right
24
SynBench/videos/C-Real/000024.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Down", "Right", "Left", "Up" ]
B
Right
right
right
25
SynBench/videos/C-Real/000025.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Right", "Up", "Left", "Down" ]
A
Right
right
right
26
SynBench/videos/C-Real/000026.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Left", "Right", "Up", "Down" ]
B
Right
right
right
27
SynBench/videos/C-Real/000027.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Down", "Left", "Up", "Right" ]
D
Right
right
right
28
SynBench/videos/C-Real/000028.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Down", "Up", "Right", "Left" ]
C
Right
right
right
29
SynBench/videos/C-Real/000029.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Left", "Up", "Right", "Down" ]
C
Right
right
right
30
SynBench/videos/C-Real/000030.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Up", "Left", "Right", "Down" ]
C
Right
right
right
31
SynBench/videos/C-Real/000031.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Right", "Up", "Left", "Down" ]
A
Right
right
right
32
SynBench/videos/C-Real/000032.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Down", "Up", "Right", "Left" ]
C
Right
right
right
33
SynBench/videos/C-Real/000033.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Down", "Left", "Right", "Up" ]
C
Right
right
right
34
SynBench/videos/C-Real/000034.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Up", "Down", "Left", "Right" ]
D
Right
right
right
35
SynBench/videos/C-Real/000035.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Left", "Down", "Up", "Right" ]
D
Right
right
right
36
SynBench/videos/C-Real/000036.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Down", "Right", "Left", "Up" ]
B
Right
right
right
37
SynBench/videos/C-Real/000037.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Up", "Left", "Down", "Right" ]
D
Right
right
right
38
SynBench/videos/C-Real/000038.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Right", "Up", "Left", "Down" ]
A
Right
right
right
39
SynBench/videos/C-Real/000039.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Down", "Up", "Left", "Right" ]
D
Right
right
right
40
SynBench/videos/C-Real/000040.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Left", "Right", "Down", "Up" ]
B
Right
right
right
41
SynBench/videos/C-Real/000041.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Up", "Right", "Left", "Down" ]
B
Right
right
right
42
SynBench/videos/C-Real/000042.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Down", "Right", "Left", "Up" ]
B
Right
right
right
43
SynBench/videos/C-Real/000043.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Down", "Right", "Up", "Left" ]
B
Right
right
right
44
SynBench/videos/C-Real/000044.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Right", "Up", "Left", "Down" ]
A
Right
right
right
45
SynBench/videos/C-Real/000045.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Left", "Down", "Up", "Right" ]
D
Right
right
right
46
SynBench/videos/C-Real/000046.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Up", "Down", "Right", "Left" ]
C
Right
right
right
47
SynBench/videos/C-Real/000047.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Down", "Left", "Right", "Up" ]
C
Right
right
right
48
SynBench/videos/C-Real/000048.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Left", "Down", "Right", "Up" ]
C
Right
right
right
49
SynBench/videos/C-Real/000049.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Left", "Down", "Up", "Right" ]
D
Right
right
right
50
SynBench/videos/C-Real/000050.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Up", "Right", "Left", "Down" ]
B
Right
right
right
51
SynBench/videos/C-Real/000051.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Right", "Down", "Left", "Up" ]
A
Right
right
right
52
SynBench/videos/C-Real/000052.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Up", "Right", "Left", "Down" ]
B
Right
right
right
53
SynBench/videos/C-Real/000053.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Left", "Down", "Up", "Right" ]
D
Right
right
right
54
SynBench/videos/C-Real/000054.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Up", "Right", "Down", "Left" ]
B
Right
right
right
55
SynBench/videos/C-Real/000055.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Right", "Left", "Up", "Down" ]
A
Right
right
right
56
SynBench/videos/C-Real/000056.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Left", "Right", "Down", "Up" ]
B
Right
right
right
57
SynBench/videos/C-Real/000057.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Up", "Down", "Right", "Left" ]
C
Right
right
right
58
SynBench/videos/C-Real/000058.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Right", "Left", "Down", "Up" ]
A
Right
right
right
59
SynBench/videos/C-Real/000059.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Left", "Right", "Down", "Up" ]
B
Right
right
right
60
SynBench/videos/C-Real/000060.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Left", "Up", "Down", "Right" ]
D
Right
right
right
61
SynBench/videos/C-Real/000061.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Down", "Left", "Right", "Up" ]
C
Right
right
right
62
SynBench/videos/C-Real/000062.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Down", "Left", "Right", "Up" ]
C
Right
right
right
63
SynBench/videos/C-Real/000063.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Left", "Up", "Right", "Down" ]
C
Right
right
right
64
SynBench/videos/C-Real/000064.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Right", "Down", "Up", "Left" ]
A
Right
right
right
65
SynBench/videos/C-Real/000065.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Left", "Up", "Right", "Down" ]
C
Right
right
right
66
SynBench/videos/C-Real/000066.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Right", "Up", "Left", "Down" ]
A
Right
right
right
67
SynBench/videos/C-Real/000067.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Up", "Down", "Left", "Right" ]
D
Right
right
right
68
SynBench/videos/C-Real/000068.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Down", "Left", "Right", "Up" ]
C
Right
right
right
69
SynBench/videos/C-Real/000069.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Right", "Down", "Left", "Up" ]
A
Right
right
right
70
SynBench/videos/C-Real/000070.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Right", "Up", "Down", "Left" ]
A
Right
right
right
71
SynBench/videos/C-Real/000071.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Right", "Up", "Left", "Down" ]
A
Right
right
right
72
SynBench/videos/C-Real/000072.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Up", "Left", "Right", "Down" ]
C
Right
right
right
73
SynBench/videos/C-Real/000073.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Left", "Up", "Right", "Down" ]
C
Right
right
right
74
SynBench/videos/C-Real/000074.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Right", "Left", "Up", "Down" ]
A
Right
right
right
75
SynBench/videos/C-Real/000075.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Up", "Down", "Right", "Left" ]
C
Right
right
right
76
SynBench/videos/C-Real/000076.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Down", "Left", "Right", "Up" ]
C
Right
right
right
77
SynBench/videos/C-Real/000077.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Right", "Left", "Up", "Down" ]
A
Right
right
right
78
SynBench/videos/C-Real/000078.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Up", "Down", "Right", "Left" ]
C
Right
right
right
79
SynBench/videos/C-Real/000079.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Up", "Down", "Left", "Right" ]
D
Right
right
right
80
SynBench/videos/C-Real/000080.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Right", "Down", "Left", "Up" ]
A
Right
right
right
81
SynBench/videos/C-Real/000081.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Up", "Down", "Right", "Left" ]
C
Right
right
right
82
SynBench/videos/C-Real/000082.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Left", "Down", "Right", "Up" ]
C
Right
right
right
83
SynBench/videos/C-Real/000083.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Down", "Left", "Up", "Right" ]
D
Right
right
right
84
SynBench/videos/C-Real/000084.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Left", "Up", "Down", "Right" ]
D
Right
right
right
85
SynBench/videos/C-Real/000085.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Left", "Down", "Right", "Up" ]
C
Right
right
right
86
SynBench/videos/C-Real/000086.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Right", "Down", "Left", "Up" ]
A
Right
right
right
87
SynBench/videos/C-Real/000087.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Down", "Up", "Left", "Right" ]
D
Right
right
right
88
SynBench/videos/C-Real/000088.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Left", "Right", "Down", "Up" ]
B
Right
right
right
89
SynBench/videos/C-Real/000089.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Right", "Down", "Left", "Up" ]
A
Right
right
right
90
SynBench/videos/C-Real/000090.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Right", "Left", "Down", "Up" ]
A
Right
right
right
91
SynBench/videos/C-Real/000091.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Up", "Left", "Right", "Down" ]
C
Right
right
right
92
SynBench/videos/C-Real/000092.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Down", "Up", "Left", "Right" ]
D
Right
right
right
93
SynBench/videos/C-Real/000093.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Down", "Up", "Right", "Left" ]
C
Right
right
right
94
SynBench/videos/C-Real/000094.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Right", "Left", "Down", "Up" ]
A
Right
right
right
95
SynBench/videos/C-Real/000095.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Up", "Right", "Left", "Down" ]
B
Right
right
right
96
SynBench/videos/C-Real/000096.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Left", "Right", "Up", "Down" ]
B
Right
right
right
97
SynBench/videos/C-Real/000097.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Up", "Right", "Down", "Left" ]
B
Right
right
right
98
SynBench/videos/C-Real/000098.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Up", "Left", "Down", "Right" ]
D
Right
right
right
99
SynBench/videos/C-Real/000099.mp4
From the viewer's perspective, in which direction is the object moving in this video?
[ "Up", "Right", "Down", "Left" ]
B
Right
right
right
End of preview. Expand in Data Studio

[NeurIPS 2026] Which Way Did It Move?
Diagnosing and Overcoming Directional Motion Blindness in Video-LLMs

Paper              Project Page              Code

teaser

Jongseo Lee†, Hyuntak Lee†, Sunghun Kim, Sooa Kim, Jihoon Chung, Jinwoo Choi*
† Equal contribution   * Corresponding author

Introduction

This is MoDirect, the dataset family released with our NeurIPS 2026 paper. It is built to test and train one thing: whether a Video-LLM can tell which way something moves.

  • MoDirect-Bench: a multiple-choice benchmark for motion direction, with a synthetic part (SynBench) and a real-video part (RealBench).
  • MoDirect-Inst: 100K synthetic videos with instruction-tuning conversations and per-frame 2D motion vectors.

Data Spec

MoDirect-Bench (25,024 QA) and MoDirect-Inst (100,000 QA)
Subset # QA Choices
MoDirect-SynBench Primitive-Synthetic (P-Syn) 6,000 4-way
Primitive-Real (P-Real) 6,000 4-way
Cutout-Synthetic (C-Syn) 6,000 4-way
Cutout-Real (C-Real) 6,000 4-way
MoDirect-RealBench Something-Something V2 (SSv2) 722 2-way
KTH 899 2-way
TOMATO 403 3–7-way
MoDirect-Inst 100,000

Videos are packed in videos.tar next to each JSON; video paths in the JSONs are relative to MoDirect-Bench/ or MoDirect-Inst/ after extraction.

SSv2 videos are not included because of the Something-Something V2 license. Download them from Qualcomm, convert <video_id>.webm to mp4, and place each file at its video path in SSv2.json.

Usage

hf download KHUjongseo/Modirect-family --repo-type dataset --local-dir MoDirect
cd MoDirect
for d in MoDirect-Bench/SynBench MoDirect-Bench/RealBench MoDirect-Inst; do tar -xf $d/videos.tar -C $d; done

For evaluation and training, see our code.

Acknowledgement

MoDirect-Bench builds on COCO, Places365, Something-Something V2, KTH and TOMATO. Videos from these datasets follow their original terms.

Citation

@inproceedings{lee2026whichway,
  title     = {Which Way Did It Move? Diagnosing and Overcoming Directional Motion Blindness in Video-LLMs},
  author    = {Lee, Jongseo and Lee, Hyuntak and Kim, Sunghun and Kim, Sooa and Chung, Jihoon and Choi, Jinwoo},
  booktitle = {Advances in Neural Information Processing Systems (NeurIPS)},
  year      = {2026}
}
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