Online Cartoon Generation via Color Structure Coding and Edge Detection
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Solution Overview
Problem
Existing methods for creating cartoons from photographs are inefficient and lack a robust, accessible solution for producing high-quality cartoon outputs, especially when executed as software on client devices, which often fail to deliver a cartoon-like effect effectively.
Innovation Solution
A system and method for generating cartoons that utilize color structure coding and edge detection algorithms, such as Difference of Gaussians, combined with coherence enhancing diffusion filters, to produce a cartoon output, where the processing is distributed between a client terminal and a server, allowing for more intensive processing and user-friendly interface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If cartoonization software is executed on client devices, then accessibility and ease of operation are improved, but processing power and manufacturing precision deteriorate
Solution Approach 1:
The system divides the cartoonization process into distinct modules: edge detection, color quantization, and sketch generation. These modules can be executed separately on client or server, allowing flexible distribution of processing tasks to balance accessibility and quality.
Solution Approach 2:
The patent introduces an intermediary server that receives images from clients, performs intensive cartoonization processing, and returns results. This intermediary handles the computationally demanding tasks while clients provide only simple upload/download functionality, resolving the contradiction between client accessibility and processing quality.
2Manufacturing precision
If intensive processing is performed on server, then manufacturing precision and productivity are improved, but device complexity and ease of operation worsen
Solution Approach 1:
The server is designed as a universal cartoonization engine that can handle multiple image processing tasks (edge detection, color quantization, sketch generation) through a single multi-functional platform, reducing the need for separate specialized systems.
Solution Approach 2:
The system implements automated parameter selection and processing optimization where the server automatically adjusts processing parameters based on input image characteristics, eliminating the need for users to manually configure complex settings while maintaining high output quality.
3Manufacturing precision
If color quantization and edge detection are applied, then cartoon-like appearance is improved, but processing time and productivity worsen
Solution Approach 1:
The system implements multi-level processing where a quick preliminary cartoonization is performed first, followed by optional enhancement passes. Users can choose to stop after the partial processing if speed is prioritized, or continue with full processing for maximum quality, allowing flexible trade-off between productivity and appearance quality.
Solution Approach 2:
The cartoonization process is divided into periodic stages: initial edge detection, color quantization, sketch generation, and optional refinement passes. Each stage can be executed independently and sequentially, allowing progressive improvement of cartoon-like appearance while providing intermediate results at each stage to maintain productivity.
Data Source
AI summary
A method and system for generating a cartoon are provided. The method includes receiving a digital image for processing at a server. The method includes executing a color structure coding procedure to produce a color-reduced interim image. The method includes generating a sketch from the digital image with a Difference of Gaussian procedure. The method includes combining the color-reduced interim image and the sketch into a processed cartoon.