Voxelnet | 3D objects detections in LIDAR point clouds | Image Editing library
kandi X-RAY | Voxelnet Summary
kandi X-RAY | Voxelnet Summary
Implementation of VoxelNet: End-to-End Learning for Point Cloud Based 3D Object Detection in tensorflow 2.0.0. This project is based on the work of Qiangui Huang, (project) and Xiaojian Ma. Thanks to them for their tremendous job that allowed me to rebuild this architecture and understand the non explicit parts of the paper.
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Top functions reviewed by kandi - BETA
- Calculate training epoch
- Color a value
- Convert boxes center to a rectangular box
- R Convert boxes_center to a 3d box
- Create a batch dataset
- Augment image data
- Fill the examples queue
- Transform boxes to center coordinates
- Helper function to align the velocity of the image
- Load calibration curves
- Prepare velo points
- Load velocity points from file
- Call the deconvolution function
- Block convolution op
- Convolution operator
- Calculate the iou angle of boxes in boxes3
- Calculate the cal_z intersection of two meshes
- Performs a training step
- Calls VFFM
- Validate a single step
- Convert a corner box to a 3d box
- Predict a single step
Voxelnet Key Features
Voxelnet Examples and Code Snippets
Community Discussions
Trending Discussions on Voxelnet
QUESTION
I want to align the feature map using ego motion, as mentioned in the paper An LSTM Approach to Temporal 3D Object Detection in LiDAR Point Clouds
I use VoxelNet as backbone, which will shrink the image for 8 times. The size of my voxel is 0.1m x 0.1m x 0.2m(height)
So given an input bird-eye-view image size of 1408 x 1024
,
the extracted feature map size would be 176 x 128
, shrunk for 8 times.
The ego translation of the car between the "images"(point clouds actually) is 1 meter in both x and y direction. Am I right to adjust the feature map for 1.25 pixels?
...ANSWER
Answered 2021-Apr-12 at 12:17It's caused by the function torch.nn.functional.affine_grid
I used.
I didn't fully understand this function before I use it.
These vivid images would be very helpful on showing what this function actually do(with comparison to the affine transformations in Numpy.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install Voxelnet
Compile the Cython module
Compile the evaluation code (Optional) This will compile the Kitti_eval project which I decided not to run during the training (during the dump tests). But at the end, of the training, you may run this evaluation code with the model of your choice. In the training script, it is commented. You may un-comment to run the kitti_eval during the training.
grant the execution permission to evaluation script
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