視線誘導イベントビジョンによる暗所読書
Reading in the Dark with Foveated Event Vision
スマートグラスにおいて、ユーザーの視線でイベントストリームを中心視化し、帯域を98%削減しつつ暗所や高速シーンでの文字認識を可能にするイベントベースOCRを提案。
詳しい要約
1. どんなもの?
2. 先行研究と比べてどこがすごい?
3. 技術・手法の肝は?
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著者: Carl Brander, Giovanni Cioffi, Nico Messikommer, Davide Scaramuzza
分類: cs.CV, cs.RO
原文アブストラクト
Current smart glasses equipped with RGB cameras struggle to perceive the environment in low-light and high-speed motion scenarios due to motion blur and the limited dynamic range of frame cameras. Additionally, capturing dense images with a frame camera requires large bandwidth and power consumption, consequently draining the battery faster. These challenges are especially relevant for developing algorithms that can read text from images. In this work, we propose a novel event-based Optical Character Recognition (OCR) approach for smart glasses. By using the eye gaze of the user, we foveate the event stream to significantly reduce bandwidth by around 98% while exploiting the benefits of event cameras in high-dynamic and fast scenes. Our proposed method performs deep binary reconstruction trained on synthetic data and leverages multimodal LLMs for OCR, outperforming traditional OCR solutions. Our results demonstrate the ability to read text in low light environments where RGB cameras struggle while using up to 2400 times less bandwidth than a wearable RGB camera.
