Video Stream Object Augmentation Using PTZ Distance Selection
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Solution Overview
Problem
The integration of real-time data overlays in video streams across different platforms and devices is hindered by the lack of a universally adopted method for transmitting user interaction events, such as clicks, leading to increased complexity and cost in deployment.
Innovation Solution
Repurpose Pan-Tilt-Zoom (PTZ) commands to control object augmentation in a camera, using spatial distance determination based on zoom parameters, and optionally refined by pan and tilt parameters, to select and enhance objects in a video stream without additional hardware or complex software modifications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If custom development is implemented for each system to support interactive features, then functionality and adaptability are improved, but device complexity and deployment cost increase
Solution Approach 1:
The patent applies universality by enabling PTZ commands to serve dual purposes: traditional camera positioning and object selection for augmentation. By repurposing existing PTZ commands to trigger object augmentation based on spatial distance, the system achieves interactive functionality without requiring custom development for each system, thereby reducing complexity while maintaining adaptability
Solution Approach 2:
The system performs self-service by automatically determining spatial distances of objects and selecting objects for augmentation based on PTZ command parameters. This eliminates the need for complex custom interaction protocols, as the system leverages existing PTZ infrastructure to achieve interactive object selection and augmentation without additional hardware or complex software modifications
2Ease of operation
If additional hardware or control mechanisms are added to enable object selection, then object interaction capability is improved, but device complexity increases
Solution Approach 1:
The patent makes existing PTZ commands multi-functional, allowing them to control both camera positioning and object selection. By interpreting PTZ parameters (pan, tilt, zoom) as spatial distance indicators to select objects for augmentation, the system eliminates the need for additional hardware or control mechanisms while maintaining ease of operation
Solution Approach 2:
The system changes the interpretation of PTZ parameters from traditional camera control parameters to object selection parameters. By mapping PTZ command parameters to spatial distance ranges and selecting objects within those ranges, the system achieves object interaction capability through parameter reinterpretation rather than adding new hardware or controls
Data Source
AI summary
The present disclosure relates to a method implemented in a camera that augments objects in a video stream by switching between two modes controlled by Pan-Zoom-Tilt, PTZ, commands. Initially, the camera receives a signal to activate the second mode, focused on object augmentation rather than standard PTZ configurations. It then determined the spatial distance from the camera to each object using indicating a spatial coordinate of the object. Following this, a PTZ command is received to determine a zoom parameter, which helps determine a range of spatial distances. Objects within this range are selected and subsequently augmented within the video feed, enhancing the informational value of the video stream.