Image Capturing Apparatus Wireless Wired Network Data Transmission
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Solution Overview
Problem
In production device management systems, image data from smart cameras is large and irreversibly compressed, making it difficult to adjust image processing parameters and causing communication bottlenecks, which hinders quick identification of defects and abnormalities in production systems.
Innovation Solution
An image capturing apparatus that associates image processing results with ID information and transmits them during image capturing periods via wireless networks, while storing and transmitting raw image data during suspension periods via wired networks, allowing for efficient data management and analysis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If image data is transmitted continuously via wireless network, then real-time monitoring is improved, but network congestion and communication efficiency deteriorate
Solution Approach 1:
The system alternates between image capturing periods where raw image data is transmitted via wireless network and image capturing suspension periods where only processing results are transmitted. This periodic switching between different data transmission modes reduces network congestion while maintaining real-time monitoring capability through the processing results transmitted during suspension periods.
2Measurement precision
If raw image data is transmitted for detailed defect analysis, then measurement precision is improved, but communication bandwidth and network cost increase
Solution Approach 1:
The system transmits different types of data with different qualities appropriate for different purposes: during image capturing periods, full-resolution raw image data is transmitted for detailed defect analysis when needed, while during suspension periods, only essential processing results are transmitted. This selective transmission of data with appropriate quality levels reduces overall bandwidth consumption while maintaining the capability for detailed analysis when required.
3Productivity
If image processing is performed continuously, then productivity is improved, but loss of original image information for unexpected trouble analysis increases
Solution Approach 1:
The system performs image processing in advance during image capturing periods and transmits the processing results during image capturing suspension periods. This preliminary processing allows the system to maintain high productivity while preserving the original raw image data for later analysis of unexpected troubles, as the processing results are generated and transmitted without requiring continuous transmission of the original data.
4Device complexity
If wireless network is used for all communications, then device complexity is reduced, but communication reliability and speed for large data transmission deteriorate
Solution Approach 1:
The system segments data transmission into two types: transmission of processing results during suspension periods and transmission of raw image data during capturing periods. This segmentation allows the system to use wireless network for control and processing result transmission while using wired network for large-volume raw image data transmission, thereby maintaining communication reliability for different data types without requiring complete network reconfiguration.
Data Source
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AI summary
An image capturing apparatus (106) includes an image capturing portion (206), a controller (201, 203) to perform image processing to obtain a feature value from image data, and a storage device (208) to accumulate the image data. In an image capturing period of capturing an image of the target object by the image capturing portion (2060), the controller (201, 203) transmits a result of the image processing to a data management server (112) while accumulating the captured image data the storage device (208), while in an image capturing suspension period of not performing image capturing, the controller (201, 203) transmits the image data accumulated in the storage device (208) to the data management server (112).