Image Processing System Page Range Identification
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Solution Overview
Problem
Conventional image processing systems fail to shorten the standby time before starting a process using page images, as they require confirmation of input for page range specification, leading to delayed preview display or printing when the page range is not clearly determined.
Innovation Solution
An image processing system that includes a page range specifying unit, a page range identifying unit, and a display control unit to pre-generate and display page images in the identified page range before other pages, based on an input character string, even before the user confirms the page range specification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the system waits for user confirmation before starting rendering, then the page range identification is accurate, but the standby time before process initiation is long
Solution Approach 1:
The system performs preliminary rendering of page images based on the page range identified from the input character string before the user confirms the specification. The rendering process is initiated in advance using the identified page range, and the results are prepared ahead of time, so when the user confirms, the images are already ready for display or printing, thereby reducing standby time while maintaining accurate page range identification.
2Loss of time
If the system starts rendering immediately without confirmation, then the standby time is shortened, but the page range may be incorrectly identified
Solution Approach 1:
The system performs preliminary identification of the page range from the input character string and initiates rendering in advance, but only after a preliminary validation step that ensures the identified page range is reasonable and complete enough to proceed. This preliminary action allows the system to start rendering before final confirmation while maintaining sufficient accuracy through validation mechanisms.
Solution Approach 2:
The system dynamically adjusts the rendering process based on user input. When a character string is input, the system identifies the page range and initiates rendering dynamically. If the user continues inputting, the system can adjust the identified page range and re-initiate rendering accordingly, allowing flexible adaptation between immediate rendering and accurate identification based on real-time user input.
3Device complexity
If the system renders all pages sequentially, then the rendering process is simple, but the time required before the desired page image is available is long
Solution Approach 1:
The rendering process is segmented into two parts: first, the system renders only the page images corresponding to the identified page range from the input character string; second, after user confirmation, the system renders the remaining pages if necessary. This segmentation allows the system to prioritize rendering of the most likely desired pages based on user input, reducing the time to obtain the desired page image while keeping the overall process manageable through structured execution.
Solution Approach 2:
The system performs preliminary rendering of the identified page range before the user confirms the complete page range specification. This preliminary action renders the most critical pages first based on the input character string, so when the user confirms or needs the images, they are already available, significantly reducing the time to obtain the desired page image compared to sequential rendering of all pages.
Data Source
AI summary
An image processing system having a display unit includes: a page range specifying unit that receives an input of a character string specifying a page range in a selected document; a page range identifying unit that identifies the page range in the document based on the input character string; a page image generating unit that preferentially generates the page images in the identified page range before page images of other pages; and a display control unit that causes the display unit to display the generated page image, wherein the page range identifying unit identifies a first page range specified by the input character string and a second page range to be specified by the input character string and a character string to be input immediately after the input character string, as the page range in which page images are to be preferentially generated before the other pages.