การจัดทำดัชนีค้นคืนภาพถ่ายดาวเทียมด้วยการจัดกลุ่มและค่าดัชนีพืชพรรณ
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- ปัจจุบันภาพถ่ายดาวเทียมมีปริมาณเพิ่มมากและสามารถดาวโหลดได้ การค้นคืนด้วยการระบุค่าละติดจูด และ ลองติจูดไม่เพียงพอต่อความต้องการ การค้นคืนในรูปแบบอื่นเป็นปัญหางานวิจัยในสาขานี้ เช่นต้องการทราบวัตถุที่อยู่บนภาพ ไม่ว่าจะเป็น แหล่งน้า หรือ พื้นที่เพาะปลูก เป็นต้น งานวิจัยนี้ได้นาเสนอเทคนิคการทาดัชนีคาค้นของภาพถ่ายดาวเทียมSMMS ซึ่งเป็นภาพถ่ายประเภทมัลติสเปกตรัม โดยนาเสนอเทคนิคการจัดกลุ่มแบบ K-mean และใช้ค่าดัชนีพืชพรรณในการเทียบหาค่าสเปกตรัมจากภาพถ่ายเพื่อใช้ในการจาแนกประเภทวัตถุออกเป็น 5 ประเภท จากนั้นจัดทาดัชนีคาค้นด้วยค่าดัชนีพืชพรรณเทียบกับการจัดกลุ่มผนวกกับการใช้ค่าดัชนีพืชพรรณร่วมด้วย
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