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理想VLA到底是不是真的VLA?
自动驾驶之心· 2025-08-21 23:34
Core Viewpoint - The article discusses the capabilities of the MindVLA model in autonomous driving, emphasizing its advanced scene understanding and decision-making abilities compared to traditional E2E models. Group 1: VLA Capabilities - The VLA model demonstrates effective defensive driving, particularly in scenarios with obstructed views, by smoothly adjusting speed based on remaining distance [4][5]. - In congested traffic situations, VLA shows improved decision-making by choosing to change lanes rather than following the typical detour logic of E2E models [7]. - The VLA model exhibits enhanced lane centering abilities in non-standard lane widths, significantly reducing the occurrence of erratic driving patterns [9][10]. Group 2: Scene Understanding - VLA's decision-making process reflects a deeper understanding of traffic scenarios, allowing it to make more efficient lane changes and route selections [11]. - The model's ability to maintain stability in trajectory generation is attributed to its use of diffusion models, which enhances its performance in various driving conditions [10]. Group 3: Comparison with E2E Models - The article highlights that E2E models struggle with nuanced driving behaviors, often resulting in abrupt maneuvers, while VLA provides smoother and more context-aware driving responses [3][4]. - VLA's architecture allows for parallel optimization across different scenarios, leading to faster iterations and improvements compared to E2E models [12]. Group 4: Limitations and Future Considerations - Despite its advancements, VLA is still classified as an assistive driving technology rather than fully autonomous driving, requiring human intervention in certain situations [12]. - The article raises questions about the model's performance in specific scenarios, indicating areas for further development and refinement [12].