Layered PDF Document Object Selection and Storage
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Solution Overview
Problem
Existing electronic document filing techniques do not allow for efficient selection and printing of specific objects based on user-defined conditions, nor do they effectively manage the storage of augmented document portions, leading to inefficient memory usage.
Innovation Solution
An image processing apparatus and method that enables the selection of objects from a filed electronic document based on arbitrary conditions, extracts differences in edited documents, and updates the original document with the new object data and tag information, using a QR code to specify document locations and IDs, and a layered PDF structure to store and retrieve data efficiently.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the entire scanned document is stored as an electronic document, then the document can be easily searched and reused, but a large amount of memory space is required
Solution Approach 1:
The patent segments the electronic document into multiple layers, with the background layer containing the original document image and the foreground layer containing only the extracted additional information. This segmentation allows the system to store only the essential document content in full resolution while maintaining searchability and reusability, significantly reducing memory space requirements compared to storing the entire document.
Solution Approach 2:
The patent extracts only the additional information (augmented portions) from the scanned document and stores it separately in the foreground layer. By taking out only the necessary additional content rather than storing the entire document, the system achieves efficient memory usage while preserving the ability to search and reuse document information.
2Quantity of substance
If the additional information is extracted and stored in a layered structure, then memory space is reduced, but the ability to selectively print specific objects based on user conditions is lost
Solution Approach 1:
The patent introduces dynamic condition setting functionality that allows users to specify printing conditions (such as date ranges, document types, or specific criteria) and selectively print objects that meet those conditions from the layered electronic document. This dynamic adaptability restores the selective printing capability while maintaining the memory efficiency benefits of the layered structure.
Solution Approach 2:
The patent enhances the electronic document system with multi-functional capabilities, including condition-based selective printing, difference extraction between versions, and augmented portion identification. These universal functions allow the same layered document structure to serve multiple purposes: efficient storage, selective printing, version comparison, and augmentation tracking, thereby restoring adaptability without sacrificing memory efficiency.
3Adaptability or versatility
If the same paper document is augmented multiple times, then the document can be continuously updated, but it becomes difficult to track and extract each augmented portion
Solution Approach 1:
The patent applies preliminary action by extracting and identifying augmented portions immediately when they are added to the document, rather than attempting to detect them later. Each augmentation is captured and stored with metadata information at the time it occurs, creating a chronological record of all augmentations. This preliminary tracking simplifies the complexity of managing multiple augmentations, as the system maintains a clear history of what was added when, without requiring complex retrospective analysis.
Data Source
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AI summary
An image processing apparatus extracts, from an electronic document, object data having associated tag information which satisfies a condition specified by a user. The image processing apparatus generates an encoded image pattern which includes object ID information for identifying the extracted object data and electronic document specifying information for specifying the electronic document, and executes print processing of print data which includes the extracted object data and the generated encoded image pattern.