Image Scanning Apparatus Storage Result Report Handling
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Solution Overview
Problem
The existing electronic payment systems face challenges in processing image data efficiently due to low-speed interfaces in POS terminals, leading to prolonged data transmission and storage times, which can result in storage medium failures or insufficient capacity, necessitating rescan operations and potential transaction interruptions.
Innovation Solution
An image data processing method that involves scanning, storing image data in a primary storage medium, sending a storage result report to the host computer, and processing the data based on the report, allowing for temporary storage in RAM and direct transfer to the host computer in case of storage medium failures, ensuring reliable data transmission and transaction completion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If image data is stored in the primary storage medium in the scanner, then data transmission time is reduced, but storage medium failure or insufficient capacity causes processing interruptions
Solution Approach 1:
The system attempts to store image data in the primary storage medium in advance before transmission is needed. This preliminary storage action prepares the data for quick transmission while the system later determines whether to proceed with transmission or rescan based on the storage result, thus reducing transmission time while maintaining processing continuity through the determination step.
Solution Approach 2:
The system sends a storage result report from the scanner to the terminal computer and uses this feedback to determine the next processing method. If storage succeeds, transmission proceeds; if storage fails, the system can choose to rescan or handle the error appropriately. This feedback mechanism ensures processing continuity by adapting to storage medium status.
2Speed
If image resolution is reduced to shorten data transmission time, then transmission speed improves, but text becomes blurred and image usefulness decreases
Solution Approach 1:
The system performs a partial action by attempting to store only the necessary image data in the scanner's primary storage medium before transmission. This allows the full-resolution image to be prepared locally without immediately transmitting it, enabling the system to transmit at optimal speed while maintaining full image quality for proof of check usage.
3Quantity of substance
If storage capacity in the scanner is low, then storage operations fail requiring rescan, but rescan increases processing time and complexity
Solution Approach 1:
The system sends a storage result report from the scanner to the terminal computer indicating whether storage succeeded or failed. Based on this feedback, the terminal computer determines the appropriate processing method - either proceeding with transmission if storage succeeded or initiating a rescan if storage failed. This feedback-driven approach maintains processing efficiency by avoiding unnecessary rescans while ensuring data integrity.
Data Source
AI summary
Image data is processed appropriately even when there is a problem with a storage component of an image scanning apparatus. The image scanning apparatus acquires image data and stores it in local storage memory, and sends a storage result report to a terminal computer. Based on this storage result report the terminal computer determines the image data processing method. The image scanning apparatus then processes the image data according to the method determined by the terminal computer.