the addition operator is called a residual connection (or shortcut connection). With residual blocks, inputs can forward propagate faster through the residual connections across layers. Activation function Activation function f(x) Rx) -x Weight layer Weight layer Activation function Activation function Waight layer Weight layer Fig. 7.6.2: A regular block (left) and a residual block (right). ResNet follows VGG's full 3 x 3 convolutional layer design. The residual block has two 3 x 3 con- volutional layers with the same number of output channels. Each convolutional layer is followed by a batch normalization layer and a ReLU activation function. Then, we skip these two convolu- tion operations and add the input directly before the final ReLU activation function. This kind of design requires that the output of the two convolutional layers has to be of the same shape as the input, so that they can be added together. If we want to change the number of channels, we need to introduce an additional 1 x 1 convolutional layer to transform the input into the desired shape for the addition operation. Let us have a look at the code below.
the addition operator is called a residual connection (or shortcut connection). With residual blocks, inputs can forward propagate faster through the residual connections across layers. Activation function Activation function f(x) Rx) -x Weight layer Weight layer Activation function Activation function Waight layer Weight layer Fig. 7.6.2: A regular block (left) and a residual block (right). ResNet follows VGG's full 3 x 3 convolutional layer design. The residual block has two 3 x 3 con- volutional layers with the same number of output channels. Each convolutional layer is followed by a batch normalization layer and a ReLU activation function. Then, we skip these two convolu- tion operations and add the input directly before the final ReLU activation function. This kind of design requires that the output of the two convolutional layers has to be of the same shape as the input, so that they can be added together. If we want to change the number of channels, we need to introduce an additional 1 x 1 convolutional layer to transform the input into the desired shape for the addition operation. Let us have a look at the code below.
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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