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### **SidewalkKeep™ by LumiNav, Inc. | Product & Business Profile**
#### **Executive Overview**
**SidewalkKeep™** is a mobile pedestrian lane-keeping and hazard-avoidance application engineered by LumiNav, Inc. Specifically developed for blind, visually impaired (BVI), and low-vision pedestrians, SidewalkKeep transforms standard Android smartphones into intelligent, wearable mobility co-pilots. By leveraging real-time, on-device computer vision and sensor fusion, the application actively tracks sidewalk boundaries to prevent veer-related accidents and alerts travelers to ground-level hazards paces before physical contact occurs.
#### **The Problem It Solves**
Independent street navigation presents critical safety challenges for more than 40 million individuals living with significant vision impairment. While conventional navigation platforms (such as Google Maps or Apple Maps) provide vehicular street-level routing, standard mobile GPS inherently drifts by 15 to 30 feet. For a pedestrian using a white cane or guide dog, that margin of error can lead directly into an active traffic lane, off a steep curb edge, or into unmapped ground obstructions.
Until now, high-tech electronic travel aids (ETAs) have predominantly relied on proprietary, bulky, and cost-prohibitive wearable hardware—often running into thousands of dollars—while handheld smartphone apps routinely tie up a traveler's hands.
#### **Core Technology & Operational Architecture**
SidewalkKeep bridges this gap by delivering automotive-grade "lane-keeping assist" directly to consumer mobile devices:
* **Active Sidewalk Containment (Veer Prevention):** Operating hands-free from an upper-body harness or front shirt pocket, SidewalkKeep's computer vision engine continuously tracks edge boundaries, grass lines, and curb drop-offs. If a traveler begins to drift off center, the application delivers immediate, intuitive directional audio cues (stereo panning) or localized haptic pulses, guiding the user back to the path’s centerline before a misstep occurs.
* **Proactive Ground & Head-Height Hazard Detection:** The system continuously evaluates an 8-foot forward envelope, detecting drop-offs and dynamic ground obstacles—including discarded e-scooters, construction barricades, sandwich boards, and low-hanging tree branches—six feet ahead, giving travelers critical reaction time.
* **100% On-Device Processing & Privacy:** All optical frame analysis and computer vision models execute locally on the smartphone’s processor. No video feed, image stream, or biometric data is ever uploaded, cached, or transmitted to cloud servers, ensuring zero latency in critical safety moments, complete user privacy, and uninterrupted reliability even in subway plazas or poor cellular zones.
* **True Hands-Free Ergonomics:** Specifically designed to honor Orientation & Mobility (O&M) safety fundamentals, SidewalkKeep leaves both hands entirely unimpeded to handle a primary white cane or guide dog harness.
#### **Market Position & Accessibility Standards**
Built in Huntington, West Virginia, SidewalkKeep adheres strictly to WCAG 2.2 AAA digital accessibility standards and is fully optimized for native Android TalkBack screen reader navigation. It serves as the consumer pillar of LumiNav’s spatial intelligence ecosystem, which also encompasses **LumiNav Enterprise**—an institutional platform delivering topological sidewalk graph routing and turn-by-turn indoor wayfinding for universities, healthcare systems, and municipal facilities.
#### **Availability & Business Model**
SidewalkKeep is distributed globally through the Google Play Store on a software-as-a-service (SaaS) model. To ensure zero financial risk and respect community trust, every user receives an unrestricted 7-day free trial. Ongoing consumer access is available at accessible pricing tiers of $5.99 per month or $49.99 annually, making enterprise-grade pedestrian safety accessible to everyday commuters.
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**Corporate Boilerplate:**
*LumiNav, Inc. is an assistive spatial computing company headquartered in Huntington, West Virginia. Dedicated to advancing independent mobility for blind and low-vision individuals, LumiNav builds software-driven navigation and obstacle detection tools that prioritize safety, privacy, and accessibility. For more information, visit [www.sidewalkkeep.com](https://www.google.com/search?q=https://www.sidewalkkeep.com) or [www.luminav.com](https://www.luminav.com).*