研究目的
Investigating the possibility of utilizing an artificial fiber (AF) pattern to embed information into fabric materials, specifically focusing on a traditional Japanese katagami pattern for a kimono, and evaluating its adaptability to different photographic environments.
研究成果
The experiment verified the possibility of utilizing an AF pattern to embed information in fabric materials, not just paper. However, to enhance practicality, more detailed measurements and parameter optimizations are necessary.
研究不足
The extraction rate deteriorates significantly at large angles (up to about 80% at 45 degrees), primarily due to the camera's depth of field limitations. The frequency component varies depending on the paper pattern, affecting the optimum size for accurate extraction.
1：Experimental Design and Method Selection:
The study employs an artificial fiber (AF) pattern of indirect type for embedding information into fabric materials. The method involves generating AF patterns and evaluating their extraction from fabric materials using a low-resolution web camera.
2：Sample Selection and Data Sources:
The study uses inkjet cloth of A4 size and Ise katagami patterns (geometric pattern) as samples.
3：List of Experimental Equipment and Materials:
Printer (Canon MG3530), web camera (Logicool HD Pro Webcam c920t), inkjet cloth (NUNOPURI A-ONE), and software (MATLAB R2015a, Adobe Photoshop CC).
4：Experimental Procedures and Operational Workflow:
The procedure involves deploying AF patterns onto cloth, capturing patterns with a web camera, converting images to grayscale, applying auto-level adjustment, and calculating the intensity ratio.
5：Data Analysis Methods:
The study evaluates the extraction rate of embedded information under different angles and distances to assess the method's adaptability.
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