Comments (6)
ENeRF utilizes SMPL vertices to compute near/far bounds. ENeRF will produce poor rendering results if wrong near/far bounds are provided. You can project the bounding box to 2D, or visualize on 3D to see if near/far is correct.
from enerf.
Thank you for your reply.
I have another question about dataset. In zjumocap dataset, 21 cameras cover the 360° view of the person. Is there any material about how to decide the locations and directions of cameras? Especially when the number of cameras is limited.
from enerf.
Hi, do you mean "calibrate" by using "decide"? Here is a great document that may help you calibrate your cameras:
https://chingswy.github.io/easymocap-public-doc/quickstart/calibration.html
from enerf.
Sorry, I mean the arrangement of the 21 cameras, how to place the cameras to get better, or more proper data for enerf training.
For zjumocap, 21 cameras are used to cover 360° basically at the same height. I give a random example here, if the 21 cameras are rearranged at 3 levels of height (high, medium, low), then 7 cameras are used to cover 360° each height level. The larger space of two nearest cameras will reduce the repeatability of the images for enerf training, but more vertical information will be achieved. Will the result become better or worse?
In other words, why 21 cameras? Is 10 or 15 cameras not enough? Is there any material or your experiments that discussed this kind of problem? Thank you!
from enerf.
In practice, I found that high repeatability is very for ENeRF Training. I have not performed precise experiments on this point. Some related experiments will hint at this: for the ZJU-MoCap dataset, with 11 camras as input, there will be a certain visual gap with 21 cameras and 11 cameras used for training.
If you have a limited number of cameras, I suggest placing them along a horizontal circular arrangement, similar to the ENeRF_Outdoor setup.
https://github.com/zju3dv/ENeRF/blob/master/docs/enerf_outdoor.md
from enerf.
Thank you for your explanation!
from enerf.
Related Issues (20)
- custom outdoor dataset
- Issues on evaluation HOT 4
- Doubt with homo_warp
- How to make bounding box data? HOT 1
- Strange error while funetunning zjumocap HOT 1
- Super low GPU/CPU usage while training HOT 1
- Error in DTU Eval HOT 1
- Composition of the enerf-outdoor dataset HOT 1
- Run Enerf on a self-made zju-mocap HOT 4
- run gui_human.py on my own dataset. Problem with visualization
- About the camera? HOT 2
- Camera Color Calibration
- Properly formatted annots.npy file HOT 1
- 关于zjumocap_train.yaml文件下某些项的作用 HOT 1
- Question about config file HOT 3
- weird result after visualizing on the ENeRF-Outdoor dataset
- Problems with visualizing outdoor video HOT 1
- Two questions regarding the video rendering accuracy and the number of inference cameras for Enerf Outdoor. HOT 1
- Is camera radial distortion taken into account? HOT 1
- The Link of pretrained model from dtu_pretrain has expired HOT 1
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from enerf.