Battery Camera False Alarm Filtering via Video Analysis

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Solution Overview

Problem

Conventional battery-powered IP cameras have short battery life due to frequent false alarms, which require frequent battery replacements, especially in hard-to-reach locations, leading to inconvenience and reduced effectiveness.

Innovation Solution

A power-saving battery-operated camera system that performs local video analytics to filter out false alarms, adjusts detection thresholds, and uses a multi-step approach to conserve power, including a programmable filter and feedback mechanisms to reduce unnecessary power consumption.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the camera activates recording and uploading on every detection event, then detection responsiveness is improved, but battery life deteriorates due to frequent false alarms

Engineering Contradiction:
Improvedetection responsivenessVSAvoidbattery life
Core Design Contradiction:
ReliabilityVSDuration of action of moving object

Solution Approach 1:

The system implements a feedback mechanism where the processor analyzes video frames and provides feedback to the detection device. The processor evaluates detection events by analyzing captured video frames, and only triggers recording and uploading when the analysis confirms a valid object presence, thereby filtering out false alarms while maintaining responsive detection

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The processor acts as an intermediary between the detection device and the recording/uploading functions. Instead of direct activation, the detection event is routed through the processor which performs video frame analysis to validate the detection, preventing false alarms from directly triggering power-consuming operations

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If the processor continuously analyzes video frames, then false alarm reduction is improved, but power consumption increases

Engineering Contradiction:
Improvefalse alarm reductionVSAvoidpower consumption
Core Design Contradiction:
ReliabilityVSUse of energy by moving object

Solution Approach 1:

The processor performs video frame analysis periodically or on-demand based on detection events rather than continuously. The system activates the processor to analyze video frames when the detection device triggers, and returns to a lower power state after analysis is complete, reducing overall power consumption while maintaining false alarm filtering capability

Inventive Principle:
Principle #19Periodic action

Data Source

PatentUS10187574B1Power-saving battery-operated camera
Publication Date: 2019.01.22 AMBARELLA INT LP
  • US10187574B1 patent drawing
  • US10187574B1 patent drawing
  • US10187574B1 patent drawing

AI summary

An apparatus including a plurality of detection devices, a processor and a controller. The plurality of detection devices may each be configured to detect an object in a respective zone. The processor may be configured to (i) perform analysis of one or more frames of a video captured by an image sensor and (ii) evaluate a detection of the object by at least one of the detection devices based on the analysis. The controller may be configured to (i) activate the processor in response to the object detected by at least one of the detection devices and (ii) provide feedback to at least one of the detection devices based on the evaluation by the processor.