InternVideo2: Scaling Video Foundation Models for Multimodal Video Understanding

Concetti Chiave

InternVideo2 introduces a new video foundation model that excels in action recognition, video-text tasks, and video-centric dialogue through a progressive training paradigm.

Sintesi

The content discusses the development and evaluation of InternVideo2, a new video foundation model. It covers the model's architecture, training stages, data preparation, experiments, and performance evaluation across various video-related tasks.

Directory:

1. Authors and Affiliations
   • Yi Wang∗1, Kunchang Li∗6,1, Xinhao Li∗2,1...
2. Transferable Video(-Text) Representation
   • Strong transferable visual and visual-linguistic representations.
3. Abstract
   • Introduction of InternVideo2 as a state-of-the-art ViFM.
4. Introduction
   • Importance of transferable spatiotemporal representations in vision understanding.
5. Related Work
   • Overview of previous research on learning video foundation models.
6. Methodology
   • Three stages of learning: reconstructing masked video tokens, aligning video to audio-speech-text, predicting next token with video-centric inputs.
7. Experiments
   • Evaluation results on various tasks including action recognition and temporal grounding.
8. Audio-related Tasks
   • Evaluation results on audio tasks such as audio-text retrieval and audioQA.

Statistiche

Figure 1: InternVideo2 yields strong transferable visual and visual-linguistic representations across 70 video understanding tasks.
Table 1: Summary of datasets used in InternVideo2 pretraining process.

Citazioni

Approfondimenti chiave tratti da

InternVideo2

by Yi Wang,Kunc... alle arxiv.org 03-25-2024

https://arxiv.org/pdf/2403.15377.pdf

Domande più approfondite

How does the incorporation of audio data enhance the performance of InternVideo2

The incorporation of audio data enhances the performance of InternVideo2 in several ways. Firstly, by including audio information during training, the model gains a richer understanding of videos through multiple modalities. This multi-modal approach allows for better alignment between visual and auditory cues in videos, leading to more comprehensive representations. Additionally, incorporating audio data helps improve the model's ability to handle video-audio tasks effectively.
Furthermore, integrating audio data enables InternVideo2 to capture subtle nuances and context present in the soundtracks of videos. This can be particularly beneficial for tasks like action recognition or scene understanding where sound plays a crucial role in providing additional information that complements visual cues.
By prioritizing spatiotemporal consistency across different modalities such as video and audio, InternVideo2 can develop a more holistic understanding of multimedia content. This alignment between various modalities not only enhances the model's overall performance but also improves its capability to reason and comprehend complex video contexts accurately.

What are the potential implications of InternVideo2's superior performance in long-form video understanding

InternVideo2's superior performance in long-form video understanding has significant implications for various applications and research areas.
One potential implication is its utility in real-world scenarios where long temporal contexts are prevalent, such as surveillance footage analysis or educational videos. The model's ability to reason over extended periods allows it to extract meaningful insights from lengthy videos efficiently.
Moreover, InternVideo2's proficiency in handling long-form video content opens up opportunities for advancements in fields like automated video summarization, content recommendation systems based on user preferences over extended viewing sessions, and even generating detailed descriptions or transcripts for lengthy instructional videos.
Additionally, the model's success in comprehending complex narratives within long videos could pave the way for improved storytelling capabilities in AI-generated content creation tools or interactive media experiences.

How might the findings from this study impact future developments in multimodal language models

The findings from this study have several implications that could influence future developments in multimodal language models:

Enhanced Video Understanding: The success of InternVideo2 showcases the importance of progressive learning schemes that combine masked reconstruction with crossmodal contrastive learning and next token prediction. Future multimodal models may benefit from similar training paradigms to improve their comprehension abilities across different modalities.

Improved Long-Form Content Analysis: The superior performance of InternVideo2 on long-form video understanding tasks highlights the significance of developing models capable of reasoning over extended temporal contexts effectively. This could inspire further research into creating more advanced models tailored towards processing lengthy multimedia content with accuracy.

Advancements in Multimodal Applications: The demonstrated capabilities of InternVideo2 open up possibilities for enhancing various applications reliant on multimodal interactions such as virtual assistants responding to voice commands while analyzing accompanying visuals or chatbots engaging users through text-based conversations enriched with contextual awareness from images or videos.