Semi-Automatic PDF to HTML Conversion via Intermediate Editing Interface
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Solution Overview
Problem
Conventional methods for converting fixed layout e-book files, such as PDF, to adaptive formats like HTML are cumbersome and lack user-friendliness, often resulting in loss of e-book functionalities when trying to preserve appearance.
Innovation Solution
A semiautomatic conversion tool that initializes the conversion of PDF files to HTML, allowing users to edit and link files through a user-friendly interface, preserving e-book functionalities and appearance while enabling conversion to other formats.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If conventional conversion methods are used to convert PDF to HTML, then the appearance can be preserved, but e-book functionalities are lost
Solution Approach 1:
The patent introduces an intermediary conversion process that first converts PDF to a draft HTML structure, then uses a user-friendly interface as a mediator to map visual elements to semantic e-book components. This intermediary step preserves appearance during conversion while enabling functionality recovery through structured element identification and styling layer separation.
Solution Approach 2:
The conversion process is segmented into distinct phases: automatic structural conversion, manual visual verification, and iterative refinement. This segmentation allows the system to handle appearance preservation and functionality recovery as separate but coordinated tasks, preventing the loss of e-book capabilities while maintaining visual fidelity.
2Manufacturing precision
If manual editing is used to correct HTML draft, then formatting can be improved, but the process becomes difficult and requires trained editors
Solution Approach 1:
The system provides self-service capabilities by automatically performing initial conversion and structural organization, then presenting a simplified interface that guides users through formatting adjustments without requiring deep HTML knowledge. The tool serves itself by handling complex conversion tasks while offering user-friendly controls for refinement.
Solution Approach 2:
A user-friendly interface acts as an intermediary between the raw HTML draft and the final formatted output. This interface translates visual formatting requirements into appropriate HTML structures automatically, eliminating the need for users to manually code complex formatting while still achieving high-quality results.
3Productivity
If automatic conversion is used, then productivity is improved, but the conversion process is burdensome and not user-friendly
Solution Approach 1:
The conversion system dynamically adapts its behavior based on user needs and input characteristics. It provides rapid automatic conversion for standard cases while offering interactive controls and verification steps when customization is needed, optimizing both productivity and user-friendliness across different scenarios.
Solution Approach 2:
The tool combines multiple functions into a unified system: automatic conversion, visual verification, manual editing, and format export. This multi-functionality allows users to access both high-speed automatic processing and user-friendly controls within a single interface, eliminating the burden of switching between multiple tools.
Data Source
AI summary
Data in a first file is accessed. The data is in a first format, and can include text elements and image elements. The elements are displayed in a first window that allows the elements to be manually edited. A user input that causes a change to an element in the first window may be received. The elements, including any changes, are stored in a second file that is in a second (different) format. A second window is used to display the contents of the second file including any changes.