Controlling Device Output Resolution File Format
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Solution Overview
Problem
Existing technologies face challenges in determining a suitable output resolution for image data, leading to potentially excessive file sizes when selecting certain file formats and sizes, particularly when dealing with formats like JPEG, PDF, and XPS.
Innovation Solution
A controlling device that determines output resolution based on selected file formats and sizes, using a table to set higher resolutions for larger file sizes and lower resolutions for formats without the page concept, such as JPEG, while maintaining lower resolutions for formats with the page concept, like PDF and XPS, to prevent excessive file sizes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a high resolution is set for image data, then image quality is improved, but file size becomes excessively large
Solution Approach 1:
The patent applies parameter changes by dynamically adjusting the output resolution parameter based on the selected file format. The determination unit changes the resolution parameter according to whether the file format has a page concept (PDF, XPS) or not (JPEG), thereby optimizing the balance between image quality and file size for different format requirements
2Measurement precision
If a high resolution is set for PDF or XPS files, then image quality is improved, but the file size becomes excessively large due to multiple pages
Solution Approach 1:
The patent applies local quality by setting different resolution levels for different file formats based on their specific characteristics. Formats with page concepts (PDF, XPS) receive lower resolutions (200-300 dpi) while formats without page concepts (JPEG) receive higher resolutions (600 dpi), optimizing quality-to-size ratio for each format type
3Quantity of substance
If the output resolution is automatically determined, then file size is optimized, but user control over resolution is reduced
Solution Approach 1:
The patent applies self-service by enabling the system to automatically determine the appropriate output resolution based on the selected file format without requiring user input. The determination unit autonomously selects resolution parameters (600 dpi for JPEG, 200-300 dpi for PDF/XPS) based on format characteristics, eliminating the need for manual user configuration while optimizing file size
Data Source
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AI summary
A controlling device (30) may determine an output resolution according to one type of file format selected from a plurality of types of file format. The output resolution may be a resolution of image data to be included in a target file of a generation target. The plurality of types of file format may include a first type of file format and a second type of file format. The controlling device (30) may determine a first resolution as the output resolution in a first case where the selected file format is the first type of file format, and determine a second resolution different from the first resolution as the output resolution in a second case where the selected file format is the second type of file format.