Icon Image Data Path Failure Detection Using Reproduced Data
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Solution Overview
Problem
Existing display systems face challenges in detecting failures in the icon image data path, which can lead to the collapse of icon-overlayed images, especially when image processing functions complicate the detection of such failures.
Innovation Solution
A diagnostic circuit is introduced to extract and convert icon-relevant processed image data into reproduced icon image data, using a conversion lookup table to compare original and reproduced data for failure detection, and a CRC circuit to verify the integrity of the icon image data path.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If image processing functions are applied to icon-overlayed images, then image quality and processing capabilities are improved, but failure detection becomes more difficult
Solution Approach 1:
The patent segments the image processing into two independent paths: a main path for quality enhancement and a diagnostic path for failure detection. The diagnostic path extracts only icon-relevant data and applies inverse processing to generate reproduced icon image data, separating detection functionality from the main processing workflow and enabling reliable failure detection despite processing complexity.
Solution Approach 2:
The diagnostic circuit acts as an intermediary between the icon overlay circuit and the display panel. It receives processed image data, extracts icon-relevant information, converts it back to reproduced icon image data, and compares with original icon image data to detect failures, mediating the complexity of image processing while maintaining detection capability.
2Adaptability or versatility
If icon overlay function is implemented, then information display capability is improved, but data path failure risk increases
Solution Approach 1:
The diagnostic circuit performs preliminary actions by extracting icon-relevant processed image data and generating reproduced icon image data before the main display output. This preliminary processing enables failure detection to be established proactively, allowing the system to identify data path failures before they affect the final displayed information.
Solution Approach 2:
The system implements feedback by comparing the original icon image data with the reproduced icon image data generated from processed image data. This feedback mechanism allows continuous monitoring of data path integrity, enabling the system to detect failures in the icon overlay data path and alert users to potential display issues.
Data Source
AI summary
A circuit includes an icon image data path and a diagnostic circuit. The icon image data path includes an icon overlay circuit and an image processing circuit. The icon overlay circuit generates icon-overlayed image data corresponding to an icon-overlayed image in which an icon image is overlayed on a base image. The image processing circuit is configured to process the icon-overlayed image data to generate processed image data. The diagnostic circuit is configured to store a conversion lookup table based on input-to-output correlation of the image processing circuit, extract icon-relevant processed image data from the processed image data, and convert the icon-relevant processed image data into reproduced icon image data based on the conversion lookup table. The diagnostic circuit is further configured to detect a failure of the icon image data path based on the icon image data and the reproduced icon image data.