using my video to run speed

[althonmp]

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Question

HI ,i used my video to run speed speed_estimation code.
I didnt do anything with code,and my video had a little bit proble.could you help me ?
issue >>
AttributeError: 'NoneType' object has no attribute 'reshape'

my video https://www.youtube.com/watch?v=8Gvz_FjWy4s
my video run result https://youtu.be/0KxiJQKj-vA?si=lVrhGR3edo499JP5

def transform_points(self, points: np.ndarray) -> np.ndarray: reshaped_points = points.reshape(-1, 1, 2).astype(np.float32) transformed_points = cv2.perspectiveTransform(reshaped_points, self.m) return transformed_points.reshape(-1, 2)

Additional

No response

[SkalskiP]

Hi @althonmp 👋🏻 ! Could you tell me where you found this version of the code? I'm asking because some other users faced this issue already, and transform_points got updated.

def transform_points(self, points: np.ndarray) -> np.ndarray:
    if points.size == 0:
        return points

    reshaped_points = points.reshape(-1, 1, 2).astype(np.float32)
    transformed_points = cv2.perspectiveTransform(reshaped_points, self.m)
    return transformed_points.reshape(-1, 2)

[althonmp]

this issue already, and transform_points got updated. i got updated. i finished it

[althonmp]

Hi @althonmp 👋🏻 ! Could you tell me where you found this version of the code? I'm asking because some other users faced this issue already, and transform_points got updated.

def transform_points(self, points: np.ndarray) -> np.ndarray:
    if points.size == 0:
        return points

    reshaped_points = points.reshape(-1, 1, 2).astype(np.float32)
    transformed_points = cv2.perspectiveTransform(reshaped_points, self.m)
    return transformed_points.reshape(-1, 2)

HI@SkalskiP
the code found from https://github.com/roboflow/supervision/tree/develop/examples/speed_estimation
I will try upgrade code,

this is my video details

[SkalskiP]

It looks to me that you need to pull the latest version of the code on the develop branch.

[althonmp]

OK

[althonmp]

Hi 👋, Piotr
I pull the latest version of the code on the develop branch. the code run test ok

but speed estimation is not good .
my new vehicles result215https://www.youtube.com/watch?v=ZlSYMHs9Hpo

May i try to adjust the SOURCE and TARGET configuration?

[SkalskiP]

Let me convert this issue into a discussion and move it to the Q&A section.

[althonmp]

OK

[althonmp]

@SkalskiP Thank you for your response.
i try to adjust the SOURCE and TARGET configuration.the road is completely flat.The speed estimation hadn't a little bit good.my result215

I showed that the area surrounded by the source region of interest measures approximately 10 meters wide and 200 meters long.
223

How do i know to camera angle, altitude, or viewing point ?