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Main Authors: Pham-Nguyen, Anh-Tai, Le-Duc, Tung-Duong, Le, Anh-Duy, Truong-Le, Trung-Hieu
Format: Preprint
Published: 2026
Subjects:
Online Access:https://arxiv.org/abs/2605.16120
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author Pham-Nguyen, Anh-Tai
Le-Duc, Tung-Duong
Le, Anh-Duy
Truong-Le, Trung-Hieu
author_facet Pham-Nguyen, Anh-Tai
Le-Duc, Tung-Duong
Le, Anh-Duy
Truong-Le, Trung-Hieu
contents The growth of online video platforms drives the need for effective, semantically grounded event retrieval. We present MERVIN, a unified multimodal framework for Vietnamese news videos that integrates keyframes, transcripts, and video summaries. Transcript quality is enhanced via Gemini 1.5 Flash, reducing noise from accents, background sounds, and recognition errors. Visual features are extracted with Perception Encoder, while a Vietnamese language model produces textual embeddings; both are indexed in Milvus for efficient similarity-based retrieval. In addition, a React-based interface enables iterative query refinement across modalities, improving semantic alignment. Experimental results on Vietnamese news videos demonstrate the effectiveness of the proposed system, with MERVIN achieving 79 out of 88 points in AI Challenge HCMC 2025 qualification phase and successfully retrieved all results for every query in the final round.
format Preprint
id arxiv_https___arxiv_org_abs_2605_16120
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle MERVIN: A Unified Framework for Multimodal Event Retrieval in Vietnamese News Videos
Pham-Nguyen, Anh-Tai
Le-Duc, Tung-Duong
Le, Anh-Duy
Truong-Le, Trung-Hieu
Information Retrieval
The growth of online video platforms drives the need for effective, semantically grounded event retrieval. We present MERVIN, a unified multimodal framework for Vietnamese news videos that integrates keyframes, transcripts, and video summaries. Transcript quality is enhanced via Gemini 1.5 Flash, reducing noise from accents, background sounds, and recognition errors. Visual features are extracted with Perception Encoder, while a Vietnamese language model produces textual embeddings; both are indexed in Milvus for efficient similarity-based retrieval. In addition, a React-based interface enables iterative query refinement across modalities, improving semantic alignment. Experimental results on Vietnamese news videos demonstrate the effectiveness of the proposed system, with MERVIN achieving 79 out of 88 points in AI Challenge HCMC 2025 qualification phase and successfully retrieved all results for every query in the final round.
title MERVIN: A Unified Framework for Multimodal Event Retrieval in Vietnamese News Videos
topic Information Retrieval
url https://arxiv.org/abs/2605.16120