Interactive Pepper's Ghost System Using Handheld Device Orientation
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Solution Overview
Problem
Traditional Pepper's Ghost systems lack meaningful audience interaction, leading to passive experiences that can result in decreased guest engagement and interest, especially in an environment where interactive experiences are expected.
Innovation Solution
An interactive Pepper's Ghost system that includes a sensor to detect the orientation of a handheld device, a controller to receive and process sensor feedback, and a setup with a transparent or translucent screen and light emitters to create a Pepper's Ghost effect based on the device's orientation and voice commands.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a traditional Pepper's Ghost system is used, then the visual effect is achieved, but the audience interaction is limited and passive
Solution Approach 1:
The system incorporates sensors (cameras, microphones, motion detectors) that continuously monitor audience presence, orientation, and actions. This feedback is processed by a controller that adjusts the Pepper's Ghost effect in real-time, enabling the show to respond to and interact with audience members dynamically rather than following a fixed script
Solution Approach 2:
The system transitions from a static, pre-programmed show to a dynamic experience where show elements adapt based on real-time audience input. The controller modifies visual effects, lighting, and narrative elements on-the-fly based on sensor data, making each show experience unique and responsive to audience behavior
2Ease of operation
If audience interaction is added to traditional Pepper's Ghost systems, then guest engagement improves, but system complexity increases
Solution Approach 1:
The controller serves multiple functions: it manages the traditional Pepper's Ghost visual effects, processes data from multiple sensor types (cameras, microphones, motion detectors), makes real-time decisions about show modifications, and coordinates lighting and other show elements. This consolidation of multiple functions into a single control system manages complexity while enabling rich interaction
Solution Approach 2:
The controller acts as an intermediary between the physical audience and the digital Pepper's Ghost effect. It translates complex sensor inputs into appropriate visual and auditory responses, mediating the interaction between guests and the show without requiring direct complex connections between every sensor and every show element
3Adaptability or versatility
If sensors and controllers are added for interaction, then audience participation increases, but cost increases
Solution Approach 1:
The system uses off-the-shelf consumer electronics (smartphones, tablets, standard cameras and microphones) that guests already possess or that can be easily obtained. These devices serve dual purposes: they are the guests' familiar interaction interface and they function as the sensing equipment, eliminating the need for expensive specialized sensors while enabling rich interaction
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
Enables active audience participation by allowing guests to control aspects of the show, enhancing engagement and attentiveness through interactive visual effects that simulate guest interaction with the stage and props.
Implementation Method 1
a transparent or translucent screen and light emitters to create a Pepper's Ghost effect based on the device's orientation and voice commands
Data Source
AI summary
An interactive Pepper's Ghost system includes a sensor configured to detect a parameter indicative of an orientation of a handheld device. The Pepper's Ghost system also includes a controller configured to receive, from the sensor, sensor feedback corresponding to the parameter indicative of the orientation of the handheld device. The controller is configured to control a Pepper's Ghost visual effect based on the sensor feedback.