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  LV-Haystack: Temporal Search for Long-Form Video Understanding</h1>
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- <p align='center' style="text-align:center;font-size:1.25em;">
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  <a href="https://jhuiye.com/" target="_blank">Jinhui Ye<sup>1</sup></a>,&nbsp;
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  <a href="https://zihanwang314.github.io/" target="_blank">Zihan Wang<sup>2</sup></a>,&nbsp;
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  <a href="https://haosensun.github.io/" target="_blank">Haosen Sun<sup>2</sup></a>,&nbsp;
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- <a href="https://keshik6.github.io/" target="_blank">Keshigeyan Chandrasegaran<sup>1</sup></a>,&nbsp;
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- <a href="https://zanedurante.github.io/" target="_blank">Zane Durante<sup>1</sup></a>,&nbsp;<br/>
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  <a href="https://ceyzaguirre4.github.io/" target="_blank">Cristobal Eyzaguirre<sup>1</sup></a>,&nbsp;
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  <a href="https://talkingtorobots.com/yonatanbisk.html" target="_blank">Yonatan Bisk<sup>3</sup></a>,&nbsp;
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  <a href="https://www.niebles.net/" target="_blank">Juan Carlos Niebles<sup>1</sup></a>,&nbsp;
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- <a href="https://profiles.stanford.edu/ehsan-adeli" target="_blank">Ehsan Adeli<sup>1</sup></a>,&nbsp;
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  <a href="https://profiles.stanford.edu/fei-fei-li/" target="_blank">Li Fei-Fei<sup>1</sup></a>,&nbsp;
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  <a href="https://jiajunwu.com/" target="_blank">Jiajun Wu<sup>1</sup></a>,&nbsp;
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  <a href="https://limanling.github.io/" target="_blank">Manling Li<sup>2</sup></a><br/>
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  &nbsp;Stanford University<sup>1</sup>, Northwestern University<sup>2</sup>, Carnegie Mellon University<sup>3</sup><br/>
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- <!-- <em>Conference on AI Research, 2025</em> -->
 
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  <br/>
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  <a href="https://examplewebsite.com" title="Website" target="_blank" rel="nofollow" style="text-decoration: none;">🌎Website</a> |
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  <a href="https://examplecode.com" title="Dataset" target="_blank" rel="nofollow" style="text-decoration: none;">🧑‍💻Code</a> |
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  </p>
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  <img src="assets/img/logo.png" alt="Logo" width="400" height="auto" style="display:block; margin:auto;" />
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- <p align='center' style="text-align:center;font-size:1.25em;">
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- <a align='center' style="text-decoration: none; color: gray">
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- Dataset is part of the <a href="">T* project</a></p>
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  <p align=center>
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  #### Dataset Statistics Summary
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  | **Metric** | **Total** | **Train** | **Test** |
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- |--------------------------------|--------------|-------------|-------------|
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  | **Video Statistics** | | | |
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  | Total Videos | **988** | **744** | **244** |
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  | Total Video Duration (hr) | 423.3 | 322.2 | 101.0 |
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  | Total Video Clip Duration (hr) | 180.4 | 135.3 | 45.0 |
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  | Avg. Video Clip Duration (sec) | 8.2 | 8.2 | 8.2 |
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  | **Frame Statistics** | | | |
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- | Total Frames (k) | **45,700** | **34,800** | **10,900** |
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  | Avg. Frames per Video (k) | 46.3 | 46.8 | 44.7 |
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  | Ratio of Keyframe / Frame (‰) | 0.62 | 0.59 | 0.71 |
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  | **QA Statistics** | | | |
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  #### Download Videos
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- Assume your video is in ./videos/
 
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  #### Evaluation scripts
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  #### Contact
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  - Jinhui Ye: [email protected]
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- - Zihan Wang: [email protected]
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  - Haosen Sun: [email protected]
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  - Keshigeyan Chandrasegaran: [email protected]
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  - Manling Li: [email protected]
 
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  LV-Haystack: Temporal Search for Long-Form Video Understanding</h1>
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+ <p align='center' style="text-align:center;font-size:1.1em;">
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  <a href="https://jhuiye.com/" target="_blank">Jinhui Ye<sup>1</sup></a>,&nbsp;
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  <a href="https://zihanwang314.github.io/" target="_blank">Zihan Wang<sup>2</sup></a>,&nbsp;
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  <a href="https://haosensun.github.io/" target="_blank">Haosen Sun<sup>2</sup></a>,&nbsp;
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+ <a href="https://keshik6.github.io/" target="_blank">Keshigeyan Chandrasegaran<sup>1</sup></a>,&nbsp; <br>
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+ <a href="https://zanedurante.github.io/" target="_blank">Zane Durante<sup>1</sup></a>,&nbsp;
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  <a href="https://ceyzaguirre4.github.io/" target="_blank">Cristobal Eyzaguirre<sup>1</sup></a>,&nbsp;
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  <a href="https://talkingtorobots.com/yonatanbisk.html" target="_blank">Yonatan Bisk<sup>3</sup></a>,&nbsp;
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  <a href="https://www.niebles.net/" target="_blank">Juan Carlos Niebles<sup>1</sup></a>,&nbsp;
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+ <a href="https://profiles.stanford.edu/ehsan-adeli" target="_blank">Ehsan Adeli<sup>1</sup></a>,&nbsp;<br>
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  <a href="https://profiles.stanford.edu/fei-fei-li/" target="_blank">Li Fei-Fei<sup>1</sup></a>,&nbsp;
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  <a href="https://jiajunwu.com/" target="_blank">Jiajun Wu<sup>1</sup></a>,&nbsp;
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  <a href="https://limanling.github.io/" target="_blank">Manling Li<sup>2</sup></a><br/>
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  &nbsp;Stanford University<sup>1</sup>, Northwestern University<sup>2</sup>, Carnegie Mellon University<sup>3</sup><br/>
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+ <a align='center' style="text-decoration: none; color: gray">
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+ Dataset is part of the <a href="">T* project</a>
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  <br/>
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  <a href="https://examplewebsite.com" title="Website" target="_blank" rel="nofollow" style="text-decoration: none;">🌎Website</a> |
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  <a href="https://examplecode.com" title="Dataset" target="_blank" rel="nofollow" style="text-decoration: none;">🧑‍💻Code</a> |
 
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  </p>
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  <img src="assets/img/logo.png" alt="Logo" width="400" height="auto" style="display:block; margin:auto;" />
 
 
 
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  <p align=center>
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  #### Dataset Statistics Summary
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  | **Metric** | **Total** | **Train** | **Test** |
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+ |-------------------------------|--------------|-------------|-------------|
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  | **Video Statistics** | | | |
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  | Total Videos | **988** | **744** | **244** |
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  | Total Video Duration (hr) | 423.3 | 322.2 | 101.0 |
 
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  | Total Video Clip Duration (hr) | 180.4 | 135.3 | 45.0 |
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  | Avg. Video Clip Duration (sec) | 8.2 | 8.2 | 8.2 |
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  | **Frame Statistics** | | | |
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+ | Total Frames (k) | **45,700** | **34,800** | **10,900** |
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  | Avg. Frames per Video (k) | 46.3 | 46.8 | 44.7 |
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  | Ratio of Keyframe / Frame (‰) | 0.62 | 0.59 | 0.71 |
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  | **QA Statistics** | | | |
 
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  #### Download Videos
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+ TODO: We plan to provide a script of how to download a subset from [Ego4d](https://ego4d-data.org/).
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+ Assume your video will be downloaded to your_path/videos/ .
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  #### Evaluation scripts
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  #### Contact
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  - Jinhui Ye: [email protected]
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+ - Zihan Wang: [email protected] (datasets)
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  - Haosen Sun: [email protected]
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  - Keshigeyan Chandrasegaran: [email protected]
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  - Manling Li: [email protected]