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Visualization 3D object detection results using meshlab.

Python 100.00%

kitti_viz_3d's Introduction

KITTI_VIZ_3D

Visualization 3D object detection results using meshlab.

This code is used for visualization by adding 3D bounding boxes to the LiDAR point cloud and storing it in a txt file.

Requrements

numba

opencv

matplotlib

pandas

python code

kitti_util.py

meshlab_file.py #using this to create meslab file, the detected *.txt using Camera coordinate

draw3Dbox2img.py

draw_voxel_circle.py

527_test_file_Lidar.txt is a test file

Some information need changed when you use this code.

img_id = 5147

calib = Calibration('/home1/yang_ye/data/Kitti/testing/calib/%06d.txt'%img_id)

path = '/home1/yang_ye/data/Kitti/testing/velodyne/%06d.bin'%img_id

path_img = '/home1/yang_ye/data/Kitti/testing/image_2/%06d.png'%img_id

points = np.fromfile(path, dtype=np.float32).reshape(-1, 4)

df = read_detection('/home2/yang_ye/results_kitti/%06d.txt'%img_id)

An example for '/home2/yang_ye/results_kitti/%06d.txt'%img_id
Car 0.0000 0.0000 1.3057 32.7170 174.0567 237.6250 296.2407 1.6493 1.7758 4.1813 -7.9406 1.6728 11.8281 0.7246 0.9034
Car 0.0000 0.0000 0.4979 153.2972 177.7395 352.8660 244.3964 1.5039 1.6312 4.0061 -8.5172 1.6277 17.3175 0.0466 0.7844
Car 0.0000 0.0000 1.1924 0.0000 180.3295 86.5943 254.3225 1.4746 1.6550 4.1006 -13.9844 1.6628 16.4232 0.4950 0.3663

how to use meshlab

origin image

3D Visualization

3D projected to image

Draw voxels and circles

kitti_viz_3d's People

Contributors

Stargazers

Watchers

Forkers

ychuan1115 blinjuan zhigao-wang eglrp thubiter lyy15871794839 zhaotudou daxiongpro jlqzzz willforcv jianqiang-mei wangsong960913 yeminglang sfy-1739 smith-source raspberryfruitcake

kitti_viz_3d's Issues

Couldn't find draw picture code in draw_box_lidar.py

I found you import matplotlib, but not used. Points are just saved to a txt file, how to visualize these points?

can you provide the txt file used for read_detection?

hi, can you provide the txt file used for read_detection?

meshlab visualization question

I have used meshlab to open the generated TXT file, but no point cloud appears. Which one should I choose when I open it

MeshLab visualization problem

Hi Yeyang,

Could you please tell the format of the txt file? It's a n x 7 matrix and what every column represents? I imported the txt file to MeshLab but points can't be read and displayed.

Thanks

new ValueError: Length mismatch: Expected axis has 15 elements, new values have 16 elements

when I already change the path you mention, and execute draw3Dbox2img.py and meshlab_file.py, It will meet a problem that new ValueError: Length mismatch: Expected axis has 15 elements, new values have 16 elements, I think it is about pandas version or Kitti version change, do you have any idea?

MeshLab visualization problem

I imported the txt file to MeshLab but points can't be displayed.But it seems that the points have been readed.Could you please tell me why？

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