Comments (2)
short answer, because the original author did so
Long answer, we don't want the relative pose between two, but between target frame and each reference frame. We could indeed do a network that takes two frames into input the target frame and one reference, and do that for every reference frame, but that means the pose network only have temporal context of two frames. The fact that all the frames in the sample are temporally close to each other would not be leveraged.
The take away point is that computing pose of a whole sequence of frames is deemed easier than pose of simple pair.
Now you can probably argue that "2frames" pose networks are not that and some papers tend to agree with this http://openaccess.thecvf.com/content_cvpr_2018/html/Mahjourian_Unsupervised_Learning_of_CVPR_2018_paper.html but the point of this repo is to provide a consistent baseline reproducing with fidelity the original tensorflow code from the author https://github.com/tinghuiz/SfMLearner
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@ClementPinard Thanks for your kind answer.
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Related Issues (20)
- What happens if I use 3 or more frames? HOT 1
- train with my own video HOT 1
- what's the minimal files required to train depth only model HOT 1
- Query regarding depth map. HOT 2
- Large Errors on Pose Prediction Network HOT 3
- why the gpu memory cost of tensorflow version is larger than pytorch version HOT 2
- Weird results from pretrained model on KITTI images HOT 4
- Question about using oxts data HOT 1
- Cannot run `train.py` with nohup HOT 2
- imread during inference load the image as uint8 HOT 4
- How About the Flops, fps and parameter of this model? HOT 1
- regarding the predicted depth map during inverse warp HOT 2
- How to visualize the warped image (ref_img_wapred) HOT 2
- regarding inverse_warping HOT 10
- Is the image input of depth network fixed? HOT 2
- Question about diff
- How to load training dataset
- Regarding the depth used for generating target image HOT 5
- Question about the poses predicted by the posenet HOT 2
- about the pose scale HOT 2
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