Enterprise AI Analysis
Venus: An Efficient Edge Memory-and-Retrieval System for VLM-based Online Video Understanding
This paper introduces Venus, an on-device memory-and-retrieval system for efficient online video understanding. Venus builds upon our previously proposed edge-cloud disaggregated architecture to further address the technical challenges of practical deployment.
Executive Impact
Venus achieves a 15x-131x speedup in total response latency compared to state-of-the-art methods, while maintaining comparable or even superior reasoning accuracy for VLM-based online video understanding.
Deep Analysis & Enterprise Applications
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Unprecedented Performance Gains
Our analysis reveals significant performance improvements in VLM-based online video understanding, primarily driven by Venus's efficient edge-cloud disaggregated architecture and adaptive keyframe retrieval. By minimizing redundant data and optimizing inference, Venus dramatically reduces latency while maintaining high accuracy.
Edge-Cloud Disaggregated Workflow
Venus employs a novel edge-cloud disaggregated architecture that performs multimodal memory construction and keyframe retrieval on the edge, with VLM reasoning in the cloud. The architecture comprises two main stages: Ingestion and Querying.
Enterprise Process Flow
Venus vs. Existing VLM Systems
A detailed comparison highlights the unique advantages of Venus in deployment efficiency, real-time processing, and intelligent memory management, distinguishing it from conventional approaches.
| Feature | Existing Methods | Venus System |
|---|---|---|
| Deployment Model | Cloud-only (high bandwidth/latency) or Edge-Cloud (heavy edge processing) | ✓ Edge-Cloud (light edge, cloud reasoning) |
| Real-time Processing | Limited by latency & compute capacity | ✓ Enabled by scene segmentation & clustering for sparse indexing |
| Memory Management | Redundant frames, inefficient storage, poor retrieval | ✓ Hierarchical, sparse index, efficient recall & retrieval |
| Keyframe Selection | Greedy Top-K (lack diversity, redundancy) | ✓ Adaptive Sampling (relevance & diversity, cost-adaptive) |
| Total Latency | High (communication, cloud/edge compute) | ✓ 15x-131x faster with real-time responses |
| Reasoning Accuracy | Variable (prone to information loss) | ✓ Comparable or superior, robust to diverse queries |
Real-world Application: Smart Home
Explore a practical scenario where Venus excels in providing intelligent online video understanding, demonstrating its value in multimodal personal assistants, smart surveillance, and city scene reasoning.
Smart Home Scenario
In a smart-home setting, Venus allows family members to query current or historical video segments, such as recalling a cooking process or verifying if an elderly person took their medication. The system efficiently processes streaming video, builds a contextual memory on the edge, and leverages cloud VLMs for real-time, accurate reasoning. This enables proactive monitoring and immediate responses without the typical latency overhead of full cloud processing or the computational burden of heavy edge inference.
Calculate Your Potential Savings
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Your Implementation Roadmap
A structured approach to integrating Venus into your existing infrastructure for maximum impact.
Phase 1: Edge Integration & Memory Setup
Deploy Venus on edge devices, configure streaming ingestion, and establish the hierarchical memory with initial indexing.
Phase 2: VLM Integration & Querying API
Integrate with cloud-hosted VLM services via API, set up query encoding, and test initial keyframe retrieval.
Phase 3: Adaptive Sampling & Optimization
Fine-tune adaptive keyframe sampling, conduct performance benchmarks, and optimize for specific application scenarios.
Phase 4: Scalable Deployment & Monitoring
Roll out across target infrastructure, implement monitoring for performance and accuracy, and establish continuous improvement loops.
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