การอำพรางข้อมูลลับด้วย Steganography บน QRCode
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- ปัจจุบัน QRCode เป็นที่นิยมและถูกนำไปใช้งานในทางธุรกิจต่างๆ โดยเฉพาะบนสินค้าต่างๆ อย่างไรก็ตามในการที่จะทำให้ QRCode สามารถทำงานได้หลากหลายมากขึ้น เราจึงได้นำเสนอเทคนิคใหม่ ในการฝังข้อมูลความลับลงบน QRCode เพื่อที่ทำให้สามารถติดต่อสื่อสารข้อมูลความลับโดยใช้ QRCode ได้ เช่น การทำ Transaction ทางการค้า เป็นต้น ดังนั้นข้อมูลที่ฝังตัวจะต้องถูกปกปิด และกระบวนการทำงานต้องไม่สร้างภาระให้กับระบบมากเกินไป เทคนิคนี้ทำงานบนหลักการวิทยาการอำพรางข้อมูล (Steganography) และได้ทำการทดสอบโดยการฝังข้อมูลลับลงไปยัง RGB Channel และ 3x3 RGB Channel จากผลการทดลองพบว่าการใช้ 3x3 RGB Channel ให้ประสิทธิภาพที่ดีกว่า RGB Channel
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