Camera Information Handover for Pre-Arrival Image Processing
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Solution Overview
Problem
Existing camera systems struggle to effectively prepare for an object entering their field of view, leading to inefficiencies in video encoding and image processing.
Innovation Solution
A method where a second camera in a system receives information about an approaching object's location and movement from a first device, triggering actions such as generating intra frames, adjusting image processing parameters, and altering exposure times before the object appears in its view, allowing for optimized encoding and processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If the camera waits until the object appears in the field of view to start processing, then the response time is reduced, but the encoding efficiency and image quality preparation is insufficient
Solution Approach 1:
The camera system performs preliminary actions by generating intra frames and adjusting image processing parameters before the object actually appears in the field of view. The system receives information about approaching objects and proactively prepares the camera by: a) generating intra frames in advance, b) adjusting image processing parameters such as noise filtering and color balancing, and c) optimizing exposure settings. This preliminary preparation allows the camera to respond more efficiently when the object appears, as the processing infrastructure is already in place and optimized.
2Manufacturing precision
If the camera adjusts image processing parameters dynamically when an object appears, then the image quality is optimized, but the processing delay increases
Solution Approach 1:
The system performs image processing parameter adjustments in advance based on predicted object appearance. Instead of waiting for the object to appear and then adjusting parameters (which causes delay), the camera receives information about approaching objects and proactively adjusts parameters such as noise filtering strength, color balancing, and contrast enhancement. This preliminary adjustment ensures that when the object appears, the processing parameters are already optimized, eliminating the processing delay while maintaining high image quality.
3Productivity
If the camera uses standard encoding without preparation, then the encoding speed is maintained, but the number of bits required increases due to inefficient processing
Solution Approach 1:
The camera system generates intra frames and optimizes processing parameters before object appearance, which improves encoding efficiency. By having intra frames ready and processing parameters optimized in advance, the system can encode video more efficiently when objects appear, reducing the number of bits required while maintaining or improving encoding speed. The preliminary preparation allows for more effective compression and less redundant data transmission.
Data Source
AI summary
A camera, a non-transitory computer-readable storage medium, and a method for triggering a second camera in a camera system to perform one or more actions prior to an object appearing in the field of view (FOV) of the second camera are disclosed. The camera system includes a second camera for which location and FOV are known, and a first device for which location is known. The method comprises receiving, in the second camera, information indicating that the object is approaching the FOV. The received information is based on a location and a direction of movement of the object. In response to the received information, the second camera is triggered to perform the following actions prior to the object appearing in FOV of the second camera: generating an intra frame or initiating an intra refresh procedure, adjusting one or more image processing parameters, and adjusting an exposure time.