Font Library Management via Image Text Recognition

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Solution Overview

Problem

Existing mobile terminals require users to manually download and set a new font library to modify system fonts, which is cumbersome and modifies all fonts, rather than allowing selective font modification.

Innovation Solution

A method and device that acquire an image, recognize text characters, and add them to the system font library, enabling users to selectively modify fonts by photographing or saving desired text, thus avoiding the need to change all fonts.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If users download and set a second font library as the default system font library, then the system font can be modified, but all text fonts on the user interface will be changed and the operation is cumbersome

Engineering Contradiction:
Improvefont customizationVSAvoidfont modification process
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The patent extracts the font modification process from the traditional approach of replacing the entire font library. Instead of requiring users to download and set a complete second font library, the system now allows users to select and add only specific individual fonts or single characters from images to the system font library. This extraction of the essential function (adding fonts) from the cumbersome process (replacing entire library) resolves the contradiction by maintaining font customization capability while dramatically simplifying the operation.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent segments the font library into individual selectable fonts and even individual characters. Rather than treating the font library as an indivisible unit that must be replaced entirely, the system now allows users to work with discrete font elements. Users can capture text from images, recognize individual characters, and add them separately to the system font library, enabling fine-grained font customization without the need to manage complete font libraries.

Inventive Principle:
Principle #1Segmentation

2Adaptability or versatility

If a second font library is set as default, then font customization is achieved, but the default fonts are lost and cannot be easily restored

Engineering Contradiction:
Improvefont varietyVSAvoidfont restoration
Core Design Contradiction:
Adaptability or versatilityVSEase of repair

Solution Approach 1:

The patent implements preliminary action by automatically preserving the original default font library before any modifications are made. The system maintains a record of the original fonts, enabling users to restore them at any time with a single operation. This preliminary preservation of the default state eliminates the risk of losing original fonts and simplifies the restoration process, resolving the contradiction between font variety and font restoration.

Inventive Principle:
Principle #10Preliminary action

3Adaptability or versatility

If users manually download font libraries, then system fonts can be modified, but the process is time-consuming and complex

Engineering Contradiction:
Improvefont modification capabilityVSAvoidfont addition time
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The patent employs copying by allowing users to capture text directly from images using the device's camera or photo library. Instead of requiring users to manually download font files from external sources, the system copies text content directly from visual sources. The image recognition technology then extracts individual characters from the captured image, which are automatically added to the system font library. This copying approach eliminates the time-consuming manual download and installation process while maintaining font modification capability.

Inventive Principle:
Principle #26Copying

Data Source

PatentUS9959487B2Method and device for adding font
Publication Date: 2018.05.01 XIAOMI INC
  • US9959487B2 patent drawing
  • US9959487B2 patent drawing
  • US9959487B2 patent drawing

AI summary

The present disclosure provides a method and a device for adding a font. The method includes: acquiring an image; recognizing text in the image as at least one character, each character being a font file corresponding to a single word or a single symbol; and adding a recognized character to a system font library, the system font library including characters used for displaying text on a user interface.