Cloud-Based AR Navigation Using Pattern Matching

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Solution Overview

Problem

Current navigation systems using augmented reality technology have non-intuitive operation interfaces, leading to a reduced user experience in route planning and navigation.

Innovation Solution

A navigation system that includes an electronic device and a cloud server, where the device captures environmental images and transmits them along with target information to the cloud server for analysis against default patterns to calculate coordinates, enabling intuitive navigation and route planning.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If conventional navigation programs are executed on electronic devices, then navigation functionality is provided, but the operation interface is not intuitive and user experience quality is significantly reduced

Engineering Contradiction:
Improveintuitiveness of operation interfaceVSAvoidquality of user experience
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent replaces conventional mechanical interaction interfaces (buttons, menus, keyboards) with an optical-based augmented reality interface. Virtual signs and directional indicators are overlaid on the real-world environment through the camera viewfinder, allowing users to interact with navigation information visually and intuitively without manipulating complex operation systems.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent transitions from two-dimensional screen-based navigation displays to three-dimensional spatial navigation indicators. Virtual signs and directional arrows are positioned in 3D space relative to the user's actual location and orientation, providing depth perception and spatial context that enhances intuitive understanding of direction and distance.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Productivity

If pattern recognition is performed locally on the electronic device, then navigation can be executed, but the system complexity and computational requirements increase

Engineering Contradiction:
Improvenavigation execution capabilityVSAvoidsystem complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent extracts the complex pattern recognition and coordinate calculation functions from the electronic device and relocates them to a remote server. The electronic device only needs to capture images and transmit them, while the server performs the computationally intensive tasks of pattern matching against the database and calculating precise coordinates, significantly reducing device complexity.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent introduces a server as an intermediary between the electronic device and the navigation database. The server acts as a mediator that receives images from the device, performs pattern recognition against stored patterns, calculates coordinates, and returns navigation information, thereby simplifying the device architecture while maintaining full navigation functionality.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS10281294B2Navigation system and navigation method
Publication Date: 2019.05.07 INVENTEC PUDONG TECH CORPOARTION
  • US10281294B2 patent drawing
  • US10281294B2 patent drawing
  • US10281294B2 patent drawing

AI summary

The present disclosure provides a navigation system that includes an electronic device and a cloud server. The electronic device is configured to capture an environmental image, and to transmit the environmental image and a target information. The cloud server is configured to store several default patterns, and each of the default patterns corresponds to a default coordinate. The cloud server analyzes a pattern image of the environmental image according to the default patterns to calculate a coordinate of the electronic device, so as to execute navigation according to the coordinate of the electronic device and the target information.