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Homework 4 Line Detection Advisor ：葉家宏 Presenter ：林承洋 1.

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Presentation on theme: "Homework 4 Line Detection Advisor ：葉家宏 Presenter ：林承洋 1."— Presentation transcript:

1 Homework 4 Line Detection Advisor ：葉家宏 Presenter ：林承洋 1

2 Outline Sobel edge detection Brute force line detect 2

3 Environment 3 Type CPUQ6600 @2.4G RAM3GB OSWindows 7 32bits

4 Sobel Edge Detection 4 Th=150 Th=200Th=250

5 Result 5 Value Threshold150 Points1311 Distance0.8 Votes>60 Lines159853 Time193sec

6 Sobel Edge Detection 6 Th=150 Th=200Th=250

7 Result 7 Value Threshold150 Points3383 Distance<0.8 Votes>100 Lines310795 Time2625sec

8 Result 8 Value Threshold150 Points3383 Distance<2 Votes>90 Lines916371 Time3122sec

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