Illumination Control Terminal Image Segmentation for Person Detection
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Solution Overview
Problem
Conventional illumination control systems fail to create a suitable illumination environment as there is no direct relationship between segmented areas and the illumination ranges provided by each illumination apparatus, leading to inefficient dimming control.
Innovation Solution
An illumination control system with unique addresses for each illumination apparatus and an imaging device that segments images to match illumination ranges, allowing for precise dimming control and feedback adjustments to maintain uniform illuminance across overlapping areas.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If image segmentation is performed without correspondence to illumination ranges, then person detection can be performed in segmented areas, but suitable illumination environment cannot be created
Solution Approach 1:
The captured image is segmented into multiple areas that correspond to illumination ranges of respective illumination apparatuses. This segmentation enables independent control of each illumination apparatus based on person detection results in corresponding areas, resolving the contradiction between detection capability and control precision.
Solution Approach 2:
Illumination range information acts as an intermediary that links the image segmentation results to the specific illumination apparatuses. By using this intermediary, the system can accurately determine which illumination apparatus should be controlled based on where a person is detected, thereby achieving precise illumination control.
2Loss of energy
If dimming control is performed without considering illumination range correspondence, then energy saving can be achieved by controlling individual apparatuses, but illumination uniformity cannot be maintained
Solution Approach 1:
The system applies different dimming control strategies to different illumination apparatuses based on local conditions in corresponding image areas. When a person is detected in a specific area, only the corresponding illumination apparatus is controlled, achieving energy saving while maintaining appropriate illumination levels and uniformity in each local region.
Solution Approach 2:
The system uses detection results from the imaging device as feedback to continuously adjust dimming control of illumination apparatuses. This feedback mechanism ensures that illumination uniformity is maintained by adjusting only the necessary apparatuses based on real-time person detection and illuminance measurements.
3Illumination intensity
If all illumination apparatuses are controlled simultaneously, then uniform illumination can be maintained, but energy efficiency is reduced
Solution Approach 1:
Instead of controlling all illumination apparatuses simultaneously, the system applies partial control only to the apparatuses corresponding to areas where persons are detected. This partial action approach maintains illumination uniformity in occupied areas while avoiding unnecessary energy consumption in unoccupied areas.
Data Source
AI summary
An illumination control system includes: illumination apparatuses having respective addresses and perform a dimming control in response to a dimming signal inputted from an outside, and an illumination control terminal which has an imaging device, a capturing range of which is set to include illumination ranges of the illumination apparatuses. The illumination control terminal segments an image captured by the imaging device into a plurality of areas so that the areas correspond to the illumination ranges, detects a person based on the captured image, determines a segmented area in which the person is present if the person has been detected and performs dimming control on an illumination apparatus corresponding to the determined segmented area.