Camera Installation Height and Shooting Angle Measurement

Solution Overview

Problem

Manual measurement of camera installation information, including height and shooting angle, is inefficient and labor-intensive, hindering effective safety surveillance applications.

Innovation Solution

A method and system that utilize reference points and angles derived from images captured by a camera with an optical center, where distances and angles are measured and analyzed to determine installation height and shooting angle, leveraging a lens, image sensor, and processor to automate the process.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If manual measurement is used to measure camera installation information, then measurement can be performed, but measurement efficiency is low and labor cost increases

Engineering Contradiction:

Improvemeasurement efficiencyVSAvoidtime consumption

Core Design Contradiction:

ProductivityVSLoss of time

Solution Approach 1:

The camera system performs self-measurement of installation information by capturing images of reference points and autonomously calculating installation height and shooting angle through image analysis, eliminating the need for external manual measurement operations

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The patent replaces manual mechanical measurement with an optical-mechanical system that uses camera imaging and computational algorithms to automatically determine installation parameters, substituting human labor with automated image processing

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Productivity

If manual measurement is used to measure camera installation information, then measurement can be performed, but labor cost increases

Engineering Contradiction:

Improvemeasurement efficiencyVSAvoidlabor cost

Core Design Contradiction:

ProductivityVSQuantity of substance

Solution Approach 1:

The camera system performs self-measurement of installation information by capturing images of reference points and autonomously calculating installation height and shooting angle through image analysis, eliminating the need for external manual measurement operations

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The patent replaces manual mechanical measurement with an optical-mechanical system that uses camera imaging and computational algorithms to automatically determine installation parameters, substituting human labor with automated image processing

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Productivity

If automated image analysis is used to measure installation information, then measurement efficiency improves, but device complexity increases

Engineering Contradiction:

Improvemeasurement efficiencyVSAvoidsystem complexity

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The camera system performs multiple functions including normal surveillance imaging and automatic installation parameter measurement using the same hardware components, avoiding additional specialized equipment and reducing overall system complexity

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent uses virtual reference points and image processing to create a digital representation of the installation geometry, replacing complex physical measurement apparatus with software-based measurement models

Inventive Principle:

Principle #26Copying

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This approach significantly improves the efficiency of measuring camera installation information, reducing labor costs and enhancing the accuracy of safety surveillance systems.

Implementation Method 1

The image sensor captures an image including the first reference point, the second reference point and the third reference point

Methodology Applied

Scientific EffectPhotoelectric Effect: Photoelectric Effect

Data Source

PatentUS11288831B2Information measuring method and information measuring system

Publication Date: 2022.03.29 VIVOTEK INC

AI summary

An information measuring method is used for measuring installation information of a camera disposed over a plane with an installation height and oriented towards the plane with a shooting angle. The information measuring method includes steps of disposing a first reference point and a second reference point on the plane; measuring a first distance and a second distance between the first reference point, the second reference point and a third reference point; capturing an image including the first reference point, the second reference point and the third reference point; analyzing the image to define a first reference line and a second reference line; determining a first angle and a second angle according to the first reference line, the second reference line and a first normal line; and determining the installation height and/or the shooting angle according to the first distance, the second distance, the first angle and the second angle.