REGen:Multimodal Retrieval-Embedded Generation for Long-to-Short Video Editing

NeurIPS 2025

Weihan Xu 1   Yimeng Ma 1   Jingyue Huang 3   Yang Li 1   Wenye Ma 5  
Taylor Berg-Kirkpatrick 3   Julian McAuley 3   Paul Pu Liang 2   Hao-Wen Dong 4
1 Duke University  2 MIT  3 University of California San Diego  4 University of Michigan  5 MBZUAI

[Codebase]   [Paper]

Contents:

1) Section 1: Summary of the Compared Models

2) Section 2: Dataset Annotation

3) Section 3: Qualitative Examples

4) Section 4: More Examples

5) Section 5: Zero-shot Examples


Section 1: Summary of the Compared Models

Model Narration Type Script Generation Retriever
A2Summ Extraction – –
Extraction-then-smoothing(ETS) Extraction – –
TeaserGen Abstraction – –
GPT-4o-DQ Extraction & Abstraction Direct Quote –
GPT-4o-SP-DQ Extraction & Abstraction Direct Quote(with speaker annotation) –
GPT-4o-SP-TV Extraction & Abstraction Indirect Quote(with speaker annotation) QuoteRetriever-TV
GPT-4o-DQ Extraction & Abstraction Direct Quote –
REGen-DQ Extraction & Abstraction Direct Quote –
REGen-IDQ-T Extraction & Abstraction Indirect Quote QuoteRetriever-T
REGen-IDQ-TV Extraction & Abstraction Indirect Quote QuoteRetriever-TV

Section 2: Dataset Annotation

We annotate the start time, end time, segment type (speaker or quotable interview), and transcribed text for both teasers and documentaries as follows:

Dataset annotation diagram showing Teaser vs. Main Documentary
Dataset annotation for Teaser and Main Documentary

Section 3: Qualitative Examples

Video Title: documenta 14 - learning from Athens | DW Documentary

Qualitative Example
Visualization
Input Video REGen-IDQ-TV REGen-IDQ-T REGen-DQ

Video Title: Apocalypse (Full Episode) | The Story of God with Morgan Freeman

Qualitative Example
Visualization
Input Video REGen-IDQ-TV REGen-IDQ-T REGen-DQ

Section 4: More Examples

We compare our model performance with TeaserGen, A2Summ and GPT-based models in the following section

Video Title: Is Parkinson's disease related to pesticide use?

TeaserGen A2Summ GPT-4o-SP-DQ
REGen-IDQ-TV REGen-DQ

Video Title: documenta 14 - learning from Athens

TeaserGen A2Summ GPT-4o-SP-DQ
REGen-IDQ-TV REGen-DQ

Video Title: The dirty business of beauty

TeaserGen A2Summ GPT-4o-SP-DQ
REGen-IDQ-TV REGen-DQ

Video Title: Lost at Sea (Full Episode)Extreme Rescues

TeaserGen A2Summ GPT-4o-SP-DQ
REGen-IDQ-TV REGen-DQ

Video Title: Saving kids from the Mafia in Italy

TeaserGen A2Summ GPT-4o-SP-DQ
REGen-IDQ-TV REGen-DQ

Video Title: "Doctors, apps and artificial intelligence - The future of medicine

TeaserGen A2Summ GPT-4o-SP-DQ
REGen-IDQ-TV REGen-DQ

Video Title: The apostle comes from Africa — a contemporary passion story

TeaserGen A2Summ GPT-4o-SP-DQ
REGen-IDQ-TV REGen-DQ

Video Title: Love & marriage in Egypt and Taiwan – Whose choice is it?

TeaserGen A2Summ GPT-4o-SP-DQ
REGen-IDQ-TV REGen-DQ

Video Title: Archeology – exploring the past with modern technology

TeaserGen A2Summ GPT-4o-SP-DQ
REGen-IDQ-TV REGen-DQ

Video Title: Beyond Death (Full Episode) The Story of God with Morgan Freeman

TeaserGen A2Summ GPT-4o-SP-DQ
REGen-IDQ-TV REGen-DQ

Section 5: Zero-shot Examples

Zero-shot Examples on Lecture Video and News Videos Teaser Generation Task.

News Videos

NBC Nightly News Full Episode

Input Video REGen-IDQ-TV TeaserGen

NBC Nightly News Full Episode

Input Video REGen-IDQ-TV TeaserGen

Lecture Videos

Machine Learning: Coordinated Representations (Multimodal Machine Learning)

Input Video REGen-IDQ-TV TeaserGen

Psychology: PSY101 Conditioning and Learning

Input Video REGen-IDQ-TV TeaserGen

Biology: CurrentTopicsLecture3Ch3

Input Video REGen-IDQ-TV TeaserGen

Biology: Endocrine System - Pituitary Gland THE MASTER GLAND

Input Video REGen-IDQ-TV TeaserGen

Dentistry: Oral Medicine | ASA Classification | INBDE

Input Video REGen-IDQ-TV TeaserGen