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SemanticSequenceLibrary.m
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% This file is part of SemanticFastForward_EPIC@ECCVW.
%
% SemanticFastForward_EPIC@ECCVW is free software: you can redistribute it and/or modify
% it under the terms of the GNU General Public License as published by
% the Free Software Foundation, either version 3 of the License, or
% (at your option) any later version.
%
% SemanticFastForward_EPIC@ECCVW is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
% GNU General Public License for more details.
%
% You should have received a copy of the GNU General Public License
% along with SemanticFastForward_EPIC@ECCVW. If not, see <http://www.gnu.org/licenses/>.
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Class Name: SemanticSequenceLibrary
%
% This class is an adaptation of the SequenceLibrary class present
% in the EgoSampling code. It contains configuration details to run
% the Semantic Fast-Forward code.
%
% $Date: July 26, 2017
% ________________________________________
classdef SemanticSequenceLibrary
methods(Static)
function [videoFile, startInd, endInd, filename, fps] = GetVideoDetails(video_dir,exp_name)
switch exp_name
%% Semantic_Dataset
case 'Biking_0p'
filename = 'Biking_0p.MP4';
startInd=1;
endInd=17949;
fps = 60;
case 'Biking_25p'
filename = 'Biking_25p.MP4';
startInd=1;
endInd=17071;
fps = 30;
case 'Biking_50p'
filename = 'Biking_50p.MP4';
startInd=1;
endInd=26954;
fps = 60;
case 'Biking_50p_2'
filename = 'Biking_50p_2.MP4';
startInd=1;
endInd=14939;
fps = 60;
case 'Driving_0p'
filename = 'Driving_0p.MP4';
startInd=1;
endInd=9463;
fps = 30;
case 'Driving_25p'
filename = 'Driving_25p.MP4';
startInd=1;
endInd=7989;
fps = 30;
case 'Driving_50p'
filename = 'Driving_50p.MP4';
startInd=1;
endInd=10379;
fps = 30;
case 'Walking_0p'
filename = 'Walking_0p.MP4';
startInd=1;
endInd=8219;
fps = 30;
case 'Walking_25p'
filename = 'Walking_25p.MP4';
startInd=1;
endInd=10982;
fps = 30;
case 'Walking_50p'
filename = 'Walking_50p.MP4';
startInd=1;
endInd=11570;
fps = 30;
case 'Walking_75p'
filename = 'Walking_75p.MP4';
startInd=1;
endInd=15481;
fps = 30;
case 'Walking_75p_2'
filename = 'Walking_75p_2.MP4';
startInd=1;
endInd=7474;
fps = 30;
%% An Example for usage
case 'Example'
filename = 'example.mp4';
startInd = 1;
endInd = 884;
fps = 30;
otherwise
error(['ERROR: You have specified a non-existent experiment (' exp_name ')']);
end
videoFile = fullfile(video_dir,filename);
end
function [cfg] = GetFFExperimentDetails(video_dir, exp_name, algorithm, required_speedup, skip_video_output)
[videoFile, startInd, endInd, filename, fps] = SemanticSequenceLibrary.GetVideoDetails(video_dir,exp_name);
[~, fname ,~] = fileparts(filename);
framesDumpDir = strrep(fullfile(video_dir,['/dump/' fname]),'\','/');
framesDumpFormat = strrep(fullfile(framesDumpDir,'/frame_%06d.png'),'\','/');
if ~exist(sprintf(framesDumpFormat,startInd),'file')
framesDumpFormat = strrep(fullfile(framesDumpDir,'/frame_%05d.png'),'\','/');
end
if ~exist(sprintf(framesDumpFormat,startInd),'file')
framesDumpDir = strrep(fullfile(video_dir,[fname '_frames_undist']),'\','/');
framesDumpFormat = [framesDumpDir '/frame_%05d.png'];
end
if ~exist(sprintf(framesDumpFormat,startInd),'file')
framesDumpFormat = [framesDumpDir '/frame_%06d.png'];
end
% Generally, this is the config. For certain types of experiments,
% we have a switch statement below to adjust stuff.
cfg = ConfigWrapper({'inputVideoFileName',videoFile;...
'FileName', fname;...
'ExpName', exp_name;...
'VelocityTarget','CumulativeMean';...
'FastForwardSkipRatio', required_speedup;...
'terminalConnectionDegree', 1;...
'baseDumpFrameFileName',framesDumpFormat;
'ShakinessCostFunction','FOE';
'ShakinessTermWeight',10;...
'ShakinessTermInvalidValue',100000;...
'VelocityTermWeight',10;...
'AppearanceCostFunction','ColorHistogram';
'AppearanceTermWeight',2;...
'SemanticCostFunction','Semantic';
'SemanticTermWeight',1;...
'SemanticEpsilon', 1;...
'ForwardnessTermWeight',4;...
'ForwardnessMergeWithShakinessCoef', 0;...
'ForwardnessCostFunction','None';...
'FrameSelector', 'ShortestPath';
'UseHigherOrder',false;
'maxTemporalDist',100;
'FOE_Reference','Absolute';...
'startInd',startInd;
'endInd',endInd;
'SkipVideoOutput',skip_video_output;
'CostWeightMethod','Sum';
'SaveFramesWhileDumping', 0;
'ShowOutputWhileDumping', 0;
'OutputFOEMovements', 0;
'OutputFOEPoints', 0;
'OutputSemanticBoxes', 0;
'OutputSemanticWeight', 0;
'OutputInstabilityValues', 0;
'OutputOriginalTimestamp', 0;
'OutputOriginalFrameNum', 0;
'OutputTheoreticalSpeedup', 0;
% Weights from semantic ranges
'ShakinessTermWeight', [];
'VelocityTermWeight', [];
'AppearanceTermWeight', [];
'SemanticTermWeight', [];
'ForwardnessTermWeight', [];
'HighOrderTermWeight', [];
% Semantic ranges
'SemanticRanges', [];
'FPS', fps;
%SemanticFunction
'SemanticFunction', 'NormScore';
%Charts
'PlotCharts', 0;
'SaveCharts', 0;
});
switch algorithm
case 'Naive'
cfg.set('FrameSelector', 'Naive');
case 'NaiveSemantic'
cfg.set('FrameSelector', 'NaiveSemantic');
case 'EgoSampling'
cfg.set('SemanticCostFunction','None');
case 'FFSE'
cfg.set('FrameSelector', 'ShortestPath');
otherwise
end
end
end
end