tiny-yolo-v3-coco

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Published: Jun 2, 2023 License: Apache-2.0 Imports: 18 Imported by: 0

README

Tiny YOLO v3

Table of Contents

About

This is an example of Tiny YOLO v3 neural network.

Note: do not try to use common yolov3, because shortcut layer is not implemented here

Folder model contains yolov3-tiny.cfg on which file yolov3_tiny.go based.

Folder data contains image file dog_416x416.jpg - this is scaled to 416x416 image for make it better understanding of how net works.

Theory

You can read about this network here.

Architecture of network:

0 Convolutional 16 3 × 3/1 416 × 416 × 3 416 × 416 × 16
1 Maxpool    2 × 2/2 416 × 416 × 16 208 × 208 × 16
2 Convolutional 32 3 × 3/1 208 × 208 × 16 208 × 208 × 32
3 Maxpool    2 × 2/2 208 × 208 × 32 104 × 104 × 32
4 Convolutional 64 3 × 3/1 104 × 104 × 32 104 × 104 × 64
5 Maxpool    2 × 2/2 104 × 104 × 64 52 × 52 × 64
6 Convolutional 128 3 × 3/1 52 × 52 × 64 52 × 52 × 128
7 Maxpool    2 × 2/2 52 × 52 × 128 26 × 26 × 128
8 Convolutional 256 3 × 3/1 26 × 26 × 128 26 × 26 × 256
9 Maxpool    2 × 2/2 26 × 26 × 256 13 × 13 × 256
10 Convolutional 512 3 × 3/1 13 × 13 × 256 13 × 13 × 512
11 Maxpool    2 × 2/1 13 × 13 × 512 13 × 13 × 512
12 Convolutional 1024 3 × 3/1 13 × 13 × 512 13 × 13 × 1024
13 Convolutional 256 1 × 1/1 13 × 13 × 1024 13 × 13 × 256
14 Convolutional 512 3 × 3/1 13 × 13 × 256 13 × 13 × 512
15 Convolutional 255 1 × 1/1 13 × 13 × 512 13 × 13 × 255
16 YOLO        
17 Route 13       
18 Convolutional 128 1 × 1/1 13 × 13 × 256 13 × 13 × 128
19 Up‐sampling    2 × 2/1 13 × 13 × 128 26 × 26 × 128
20 Route 19 8       
21 Convolutional 256 3 × 3/1 13 × 13 × 384 13 × 13 × 256
22 Convolutional 255 1 × 1/1 13 × 13 × 256 13 × 13 × 256
23 YOLO 

You can see source code for each layer's implementation in corresponding files:

Convolution - https://github.com/gorgonia/gorgonia/blob/master/nn.go#L237

Maxpool - https://github.com/gorgonia/gorgonia/blob/master/nn.go#L332

Up-sampling - https://github.com/gorgonia/gorgonia/blob/master/op_upsample.go

Route - route

YOLO - op_yolo

Run example

How to run:

go run .

What you can expect to see:

std out

Benchmark

Benchmark for network's feedforward function provided here

Documentation

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There is no documentation for this package.

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