import?cv2
import?numpy?as?np
from?matplotlib?import?pyplot?as?plt

img?=?cv2.imread（‘test_images/shudu.jpeg‘?0）

laplacian?=?cv2.Laplacian（img?cv2.CV_64F）
sobelx?=?cv2.Sobel（img?cv2.CV_64F?1?0?ksize=3）
sobely?=?cv2.Sobel（img?cv2.CV_64F?0?1?ksize=3）

plt.subplot（2?2?1）?plt.imshow（img?cmap=‘gray‘）
plt.title（‘Original‘）?plt.xticks（[]）?plt.yticks（[]）
plt.subplot（2?2?2）?plt.imshow（laplacian?cmap=‘gray‘）
plt.title（‘Laplacian‘）?plt.xticks（[]）?plt.yticks（[]）
plt.subplot（2?2?3）?plt.imshow（sobelx?cmap=‘gray‘）
plt.title（‘Sobel?X‘）?plt.xticks（[]）?plt.yticks（[]）
plt.subplot（2?2?4）?plt.imshow（sobely?cmap=‘gray‘）
plt.title（‘Sobel?Y‘）?plt.xticks（[]）?plt.yticks（[]）

plt.show（）

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-12-06?09:42??cv_lane_detect\
?????文件?????????666??2017-12-06?09:39??cv_lane_detect\calibration_paraeters.pkl
?????文件?????3994999??2017-12-06?09:42??cv_lane_detect\step_by_step.ipynb
?????文件?????????704??2017-12-05?08:52??cv_lane_detect\test_sobel.py
?????目錄???????????0??2017-12-06?09:41??cv_lane_detect\.ipynb_checkpoints\
?????文件?????3994999??2017-12-06?09:42??cv_lane_detect\.ipynb_checkpoints\step_by_step-checkpoint.ipynb
?????目錄???????????0??2017-12-05?09:25??cv_lane_detect\test_images\
?????文件??????174209??2017-11-25?07:22??cv_lane_detect\test_images\test2.jpg
?????文件???????10741??2017-12-05?08:51??cv_lane_detect\test_images\shudu.jpeg
?????目錄???????????0??2017-12-05?09:13??cv_lane_detect\cam_cal\
?????文件??????118392??2017-11-25?07:22??cv_lane_detect\cam_cal\calibration20.jpg
?????文件??????105839??2017-11-25?07:22??cv_lane_detect\cam_cal\calibration19.jpg
?????文件???????89092??2017-11-25?07:22??cv_lane_detect\cam_cal\calibration18.jpg
?????文件???????98250??2017-11-25?07:22??cv_lane_detect\cam_cal\calibration17.jpg
?????文件???????99639??2017-11-25?07:22??cv_lane_detect\cam_cal\calibration16.jpg
?????文件???????99011??2017-11-25?07:22??cv_lane_detect\cam_cal\calibration15.jpg
?????文件???????97814??2017-11-25?07:22??cv_lane_detect\cam_cal\calibration14.jpg
?????文件??????114472??2017-11-25?07:22??cv_lane_detect\cam_cal\calibration13.jpg
?????文件??????116836??2017-11-25?07:22??cv_lane_detect\cam_cal\calibration12.jpg
?????文件??????125873??2017-11-25?07:22??cv_lane_detect\cam_cal\calibration11.jpg
?????文件??????142679??2017-11-25?07:22??cv_lane_detect\cam_cal\calibration10.jpg
?????文件??????126375??2017-11-25?07:22??cv_lane_detect\cam_cal\calibration9.jpg
?????文件??????129283??2017-11-25?07:22??cv_lane_detect\cam_cal\calibration8.jpg
?????文件??????112920??2017-11-25?07:22??cv_lane_detect\cam_cal\calibration7.jpg
?????文件??????132484??2017-11-25?07:22??cv_lane_detect\cam_cal\calibration6.jpg
?????文件??????137529??2017-11-25?07:22??cv_lane_detect\cam_cal\calibration5.jpg
?????文件??????143388??2017-11-25?07:22??cv_lane_detect\cam_cal\calibration4.jpg
?????文件??????144154??2017-11-25?07:22??cv_lane_detect\cam_cal\calibration3.jpg
?????文件??????137965??2017-11-25?07:22??cv_lane_detect\cam_cal\calibration2.jpg
?????文件??????126464??2017-11-25?07:22??cv_lane_detect\cam_cal\calibration1.jpg
?????目錄???????????0??2017-12-06?09:42??cv_lane_detect\.idea\
............此處省略6個文件信息