run error

[zwqaoy]

cv2.error: /home/ckt/work/tools/opencv/modules/core/src/arithm.cpp:1987: error: (-209) The operation is neither 'array op array' (where arrays have the same size and the same number of channels), nor 'array op scalar', nor 'scalar op array' in function arithm_op

[seewoo79]

I get similar error msg...

Traceback (most recent call last):
File "main.py", line 19, in
img_aug = process_frame(img)
File "/home/seewoo79/Workspace/test/driving-lane-departure-warning/lane.py", line 598, in process_frame
detector(binary_sub, ploty, visualization)
File "/home/seewoo79/Workspace/test/driving-lane-departure-warning/lane.py", line 550, in detector
left_fit, right_fit = full_search(binary_sub, visualization=visualization)
File "/home/seewoo79/Workspace/test/driving-lane-departure-warning/lane.py", line 226, in full_search
histogram = np.sum(binary_warped[binary_warped.shape[0]/2:,:], axis=0)
TypeError: slice indices must be integers or None or have an index method

[JunshengFu]

Are you able to run my demo, e.g. the test image and video I provided?

[seewoo79]

I run demo after modifing error like this.

• before
  histogram = np.sum(binary_warped[binary_warped.shape[0]/2:,:], axis=0)
  *after
  histogram = np.sum(binary_warped[ int(binary_warped.shape[0]/2):,:], axis=0)

there are many same error from indexing with float. so I need to cast all this indexes as int, then it works...

[trohit920]

@seewoo79 @JunshengFu
I am also getting the similar error.

Traceback (most recent call last):
File "C:\Users\rohit\Desktop\Python\driving-lane-departure-warning-master\main.py", line 19, in
img_aug = process_frame(img)
File "C:\Users\rohit\Desktop\Python\driving-lane-departure-warning-master\lane.py", line 615, in process_frame
output = create_output_frame(offcenter, pts, img_undist_, fps, curvature, curve_direction, binary_sub)
File "C:\Users\rohit\Desktop\Python\driving-lane-departure-warning-master\lane.py", line 467, in create_output_frame
whole_frame = np.zeros((h2.5,w2.34, 3), dtype=np.uint8)
TypeError: 'float' object cannot be interpreted as an integer

Can you share the updated code of lane.py which you get after changing the indexes as int ?

[Ayysh]

I am getting this error..can you please tell me how to fix it.
/usr/bin/python3.4 /home/ramakrishna/PycharmProjects/Lanedect/driving-lane-departure-warning-master/main.py
Traceback (most recent call last):
File "/home/ramakrishna/PycharmProjects/Lanedect/driving-lane-departure-warning-master/main.py", line 19, in
img_aug = process_frame(img)
File "/home/ramakrishna/PycharmProjects/Lanedect/driving-lane-departure-warning-master/lane.py", line 616, in process_frame
output = create_output_frame(offcenter, pts, img_undist_, fps, curvature, curve_direction, binary_sub)
File "/home/ramakrishna/PycharmProjects/Lanedect/driving-lane-departure-warning-master/lane.py", line 468, in create_output_frame
whole_frame = np.zeros((h2.5,w2.34, 3), dtype=np.uint8)
TypeError: 'float' object cannot be interpreted as an integer

Process finished with exit code 1

[Ayysh]

@ trohit920.
Change the line to
whole_frame = np.zeros((h3,w3, 3), dtype=np.uint8).It works!!

[lyxlty]

@JunshengFu whole_frame[220+h:220+2*h, 20:20+w, :] = undist_birdview
ValueError: could not broadcast input array from shape (90,160,3) into shape (140,320,3)
could you tell me how to solve it ?thanks!

[pengwei1024]

@lyxlty h/2 or w/2 is float type, need to be converted to int

h2 = int(h/2)
    w2 = int(w/2)
    whole_frame[220 + h2:220 + 2 * h2, 20:20 + w2, :] = undist_birdview
    whole_frame[220 + h2:220 + 2 * h2, 40 + w2:40 + w, 0] = cv2.resize((binary_sub * 255).astype(np.uint8),(0, 0), fx=1 / 2, fy=1 / 2)
    whole_frame[220 + h2:220 + 2 * h2, 40 + w2:40 + w, 1] = cv2.resize((binary_sub * 255).astype(np.uint8),(0, 0), fx=1 / 2, fy=1 / 2)
    whole_frame[220 + h2:220 + 2 * h2, 40 + w2:40 + w, 2] = cv2.resize((binary_sub * 255).astype(np.uint8),(0, 0), fx=1 / 2, fy=1 / 2)

[nkh2235]

@Ayysh why h3... It's not defined... Thanks.

[madhu-korada]

for video??

[SpBhavana]

I'm getting this error.....can you please tell me how to fix it

Traceback (most recent call last):
File "main.py", line 19, in
img_aug = process_frame(img)
File "C:\Users\Administrator\Desktop\driving-lane-departure-warning-master\lane.py", line 598, in process_frame
detector(binary_sub, ploty, visualization)
File "C:\Users\Administrator\Desktop\driving-lane-departure-warning-master\lane.py", line 550, in detector
left_fit, right_fit = full_search(binary_sub, visualization=visualization)
File "C:\Users\Administrator\Desktop\driving-lane-departure-warning-master\lane.py", line 226, in full_search
histogram = np.sum(binary_warped[binary_warped.shape[0]/2:,:], axis=0)
TypeError: slice indices must be integers or None or have an index method

[chocolate-byte]

but I doubt that the data may not precise any more after int them , can u plz modify it?

[joker-wutong]

I get this error, what should I do to solve it? thanks,

Traceback (most recent call last):
  File "main.py", line 8, in <module>
    from lane import *
  File "/home/nvidia/lane_departure_warn/driving-lane-departure-warning/lane.py", line 85, in <module>
    mtx, dist = load_calibration(calib_file)
  File "/home/nvidia/lane_departure_warn/driving-lane-departure-warning/calibration.py", line 78, in load_calibration
    data= pickle.load(file)
  File "/usr/lib/python2.7/pickle.py", line 1384, in load
    return Unpickler(file).load()
  File "/usr/lib/python2.7/pickle.py", line 864, in load
    dispatch[key](self)
  File "/usr/lib/python2.7/pickle.py", line 892, in load_proto
    raise ValueError, "unsupported pickle protocol: %d" % proto
ValueError: unsupported pickle protocol: 3

[DickyNJ]

我收到类似的错误消息...

回溯（最近一次调用）：文件 “main.py”，第 19 行，img_aug = process_frame（img） 文件“/home/seewoo79/Workspace/test/Driving-Lane-Off-warning/lane.py”，第 598 行，在process_frame检测器中（binary_sub，绘图，可视化） 文件“/home/seewoo79/工作区/测试/行车道偏离警告/车道.py”，第 550 行，在检测器left_fit中，right_fit = full_search（binary_sub，可视化=可视化）文件 “/home/seewoo79/Workspace/test/driving-lane-off-warning/lane.py”，第 226 行，full_search直方图 = np.sum（binary_warped[binary_warped.shape[0]/2：，：]， axis=0） 类型错误：切片索引必须是整数或 None 或具有索引方法