Questions tagged [downsampling]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0
votes
0answers
12 views

How to select dimensions of kernel and stride for pooling?

Consider a tensor of size $512 \times 512$. I need to reduce it to $32 \times 32$. There are several ways to do it. There are a lot of possibilities. Each possibility has its own kernel dimensions and ...
0
votes
1answer
19 views

What is the role of the word sampling in upsampling and downsampling?

Upsampling and downsampling are highly used in deep learning algorithms that involve convolutional neural networks. Upsampling increases the size downsampling decreases the size of tensors. What is ...
0
votes
0answers
13 views

Why do the authors of this paper down-sample by $ds_1 / 2$ (in the context of coarse-to-fine segmentation)?

This question is a follow-up of this post and based on this paper. In section 2.2, the authors write: In the first level, the 3D FCN is trained on images of the lowest resolution in order to capture ...
1
vote
1answer
49 views

What does 'downsampling' and 'upsampling' mean in coarse-to-fine segmentation?

The paper here in section 2.1 Coarse-to-fine prediction: To increase the field of view presented to the CNN and reduce the redundancy among neighboring voxels, each image is downsampled by a factor ...