BÀI GIẢNG ĐỒ HỌA MÁY TÍNH
CÁC PHÉP BIẾN ĐỔI HAI CHIỀU
NGÔ QUỐC VIỆT
2009
2
Nội dung
• Giới thiệu.
•Các phép biến đổi cơ bản
• Biểu diễn ma trận
•Bài tập
• Giải đáp thắc mắc
Giới thiệu
• Định nghĩa:biến đổi là ánh xạ các điểm (x,y) từ
một hệ tọa độ thành (x’, y’) trong hệ tọa độ khác.
3
Một số thuật ngữ
4
Các biến đổi cơ bản
5
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