LLaVA-OneVision

LLaVA-OneVision

The LLaVA-NeXT series represents a groundbreaking evolution in large multimodal models with each iteration bringing significant advancements across a variety of tasks. Starting in January 2024, LLaVA-NeXT introduced improved reasoning, OCR, and world knowledge, leveraging innovative techniques like AnyRes to handle intricate visual details. Over the months, the model series expanded its capabilities with zero-shot video understanding, stronger LLMs, and the ability to transfer knowledge across modalities. By August 2024, the release of LLaVA-OneVision pushed the boundaries of task transfer and efficiency, setting new standards for image, multi-image, and video comprehension across real-world applications. I am quite impressed by the responses on some MM task I tried.

Demo website: https://huggingface.co/spaces/lmms-lab/LLaVA-NeXT-Interleave-Demo


Random image from web on chat humor

Explain the humor in this image

Response from LLAVA-model is getting close to GPT4V

The main contributions in each release is noted as follows:

LLaVA-NeXT: Improved reasoning, OCR, and world knowledge (Jan 2024)

  1. Dynamic High-Resolution Handling (AnyRes) - Improved ability to capture intricate visual details by splitting images into sub-images using a grid configuration.
  2. Improved OCR and Visual Reasoning: By including datasets like DocVQA and SynDog, LLAVA-NeXT enhances its document and chart understanding capabilities, making it better suited for real-world visual tasks.
  3. Efficient Training and Low Resource Cost: The largest model variant (34 billion parameters) can be trained in just one day using 32 A100 GPUs. This makes the model more accessible and easier to deploy, especially for organizations with limited resources. Efficient deployment and inference with SGLang.

LLaVA-NeXT: A Strong Zero-shot Video Understanding Model (April 2024)

  1. AnyRes for Video Understanding: The AnyRes algorithm is extended to handle video frames by processing them as sequences of visual tokens.
  2. Length Generalization for Longer Videos: Leverages advancements in position embeddings (RoPE) to enable the model to process long video sequences (up to 56 frames), which is crucial for comprehensive video analysis. This extension in sequence length significantly enhances the model's performance on longer, complex videos.
  3. Direct Preference Optimization (DPO) via AI Feedback: The model employs AI-generated feedback to optimize performance instead of relying on human annotations, which is resource-intensive.
  4. Improved Training Dataset: LLaVA-NeXT-Video integrates an extensive high-quality video dataset with 830k samples, in addition to multimodal instruction-following data from LLaVA-1.6. This combined dataset improves the model's zero-shot performance on video tasks and enhances its generalization across both image and video modalities.

LLaVA-NeXT: Stronger LLMs Supercharge Multimodal Capabilities in the Wild (May 2024)

  1. Scaling of Language Models (LLMs): LLaVA-NeXT demonstrates that increasing the size of the language model (e.g., from 13B to 34B parameters) leads to significant improvements in multimodal tasks.
  2. Correlation Between Language and Multimodal Performance: The study highlights a strong correlation between an LLM's language capability and its multimodal performance. Larger models with stronger language understanding perform better in multimodal tasks like daily visual conversations and visual math reasoning. This suggests that robust language capabilities help models better process and align visual and textual data.
  3. Daily-life Visual Chat Benchmark (LLaVA-W): LLaVA-NeXT introduces a new benchmark, LLaVA-Bench-Wilder, which measures the ability of models to handle real-world, free-form visual chat scenarios. This benchmark expands on previous datasets by including more daily-life examples, covering tasks like mathematical problem-solving, visual AI assistance, and code generation. It aims to push models toward becoming general-purpose assistants in real-world settings.
  4. Improved Data Handling: The LLaVA-Bench-Wilder dataset construction involved a decontamination process to ensure clean, non-overlapping training and evaluation data, ensuring more reliable benchmarking. GPT-4V was used to generate reference responses for accuracy verification by human annotators.

LLaVA-NeXT: Tackling Multi-image, Video, and 3D in Large Multimodal Models (June 2024)

  1. Unified Interleaved Format: The model uses an interleaved format to handle different visual tasks, including multi-image scenarios (e.g., visual storytelling, spotting differences), multi-frame video tasks (capturing temporal cues), multi-view 3D tasks (spatial understanding), and single-image tasks. This allows for seamless performance across diverse inputs.
  2. M4-Instruct Dataset: A comprehensive dataset called M4-Instruct was created, including over 1.17 million samples spanning 14 tasks and 41 datasets. This dataset enables the model to handle multi-image, video, and 3D tasks while preserving performance in single-image scenarios.
  3. LLaVA-Interleave Bench: A new benchmark consisting of 13 challenging tasks and 17,000 instances was introduced to evaluate the model's performance in interleaved tasks. These include tasks like video question answering, 3D visual question answering, and complex multi-image reasoning.
  4. Diverse Task Performance: The model shows strong performance across multi-image, multi-frame, and multi-view tasks, making it a powerful tool for real-world applications like image editing, video captioning, and 3D scene understanding.

LLaVA-OneVision: Easy Visual Task Transfer (August 2024)

  1. Unified Visual Representation Strategy: Flexible visual representation strategy that balances the number of visual tokens across different scenarios (single-image, multi-image, video). This approach ensures efficient cross-scenario capability transfer while maintaining high visual detail in all tasks.
  2. Transfer Learning Across Modalities: Ability to transfer knowledge across different modalities, such as from static images to video tasks. This capability results in strong performance in video understanding, leveraging task transfer from image-based training.
  3. High-Quality Synthetic Data: The model is trained on carefully curated high-quality data, much of which is synthetic.
  4. Emerging Capabilities: LLaVA-OneVision showcases emerging capabilities such as interpreting multi-image scenarios, understanding and interacting with video content, and providing detailed instructions or captions for complex visual inputs.

Appreciate you sharing insights on the LLaVA-NeXT series and its impact. Considering whatsinmy video could complement these advancements by offering detailed frame-by-frame video analysis.

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Navin Manaswi

Author of Best Seller AI book| Authoring “AI Agent" book | Represented India on Metaverse at ITU-T, Geneva | 12 Years AI | Corporate Trainer| AI Consulting| Entrepreneur | Guest Faculty at IIT | Google Developers Expert

5 个月

Very informative Jayant Kumar

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