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open source pkg v1

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This commit is contained in:
Vijay Yadev
2020-08-04 19:12:31 -04:00
parent bef213dba9
commit c389fc2c47
3708 changed files with 1624220 additions and 1 deletions
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26
pkg/OpenFace/matlab_version/face_detection/mtcnn/PReLU.m Normal file
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function [ out_map ] = PReLU( input_maps, PReLU_params )
%PRELU Summary of this function goes here
% Detailed explanation goes here
out_map = zeros(size(input_maps));
if(numel(size(input_maps)) > 2)
for i=1:size(input_maps,3)
% A more readable but slower version
% in_map = input_maps(:,:,i,:);
% in_map(in_map < 0) = in_map(in_map<0) * PReLU_params(i);
% alternative
% out_map(:,:,i,:) = max(input_maps(:,:,i,:),0) + min(input_maps(:,:,i,:),0)*PReLU_params(i);
out_map(:,:,i,:) = input_maps(:,:,i,:) .* (PReLU_params(i) + (1 - PReLU_params(i)) * (input_maps(:,:,i,:) > 0)) ;
end
else
for i=1:size(input_maps,2)
in_map = input_maps(:,i);
in_map(in_map < 0) = in_map(in_map<0) * PReLU_params(i);
out_map(:,i) = in_map;
end
end
end