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Caffe. Deep learning framework by BAIR. Created by Yangqing Jia Lead Developer Evan Shelhamer. View On GitHub; Hinge (L1, L2) Loss Layer
It’s conceptually identical to a softmax layer followed by a multinomial logistic loss layer, but provides a more numerically stable gradient. Sum-of-Squares / Euclidean - computes the sum of squares of differences of its two inputs, . Hinge / Margin - The hinge loss layer computes a one-vs-all hinge (L1) or squared hinge loss (L2).
Dtype* loss = top[0]-> mutable_cpu_data (); switch (this-> layer_param_. hinge_loss_param (). norm ()) {case HingeLossParameter_Norm_L1: loss[0] = caffe_cpu_asum (count, bottom_diff) / …
However, any layer able to backpropagate may be given a non-zero loss_weight, allowing one to, for example, regularize the activations produced by some intermediate layer(s) of the network …
To create a Caffe model you need to define the model architecture in a protocol buffer definition file (prototxt). Caffe layers and their parameters are defined in the protocol buffer definitions …
I have seen one can define a custom loss layer for example EuclideanLoss in caffe like this: import caffe import numpy as np class EuclideanLossLayer(caffe.Layer): """ Compute...
1 Answer. For loss layers, there is no next layer, and so the top diff blob is technically undefined and unused - but Caffe is using this preallocated space to store unrelated …
The hinge loss is a convex function, so many of the usual convex optimizers used in machine learning can work with it. It is not differentiable, but has a subgradient with respect to model parameters w of a linear SVM with score function that is …
hinge_loss_layer.hpp. hinge_loss_layer.hpp 4.2 KB. History Raw
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