【行为识别】基于差影法实现三维人体姿态行为识别附matlab代码

1 简介

2 部分代码

function pointsVisualize(vals,skel,varargin)%function pointsVisualize(vals,skel)[color,type,person,connect,missing,gt,texton,textsize,linewidth,showlines,marker]=process_options(varargin,'color','r','type',1,'person',1,'connect',[],'missing', [],'gt',0,'texton',1,'textsize',10,'linewidth',5,'showlines',1,'marker','o');​for i =1:size(vals,1)    strs{i}=num2str(i);endif isempty(connect)    connect = skelConnectionMatrix(skel);end​indices = find(connect);[I, J] = ind2sub(size(connect), indices);%handle(1)=figure;inds = ones(size(vals,1),1);inds(missing) = 0;inds = logical(inds);​handle(1) = plot3(vals(inds, 1), vals(inds, 3), vals(inds, 2), marker, 'LineWidth', linewidth, 'MarkerSize', 5);hold on;if(texton)    for i = 1: length(vals)        h1 = text( vals(i, 1), vals(i, 3), vals(i, 2),strs{i},'FontSize',textsize,'FontWeight','bold');    endendaxis ij % make sure the left is on the left.​​grid on​colors=prism(6);if(type==2)    M=[ colors(4:6,:); ...        colors(4:6,:); ...        colors(6,:); colors(6,:); colors(6,:); colors(5,:); colors(6,:); ...        colors(1,:); colors(2,:); colors(1,:); ...        colors(1,:); colors(2,:); colors(1,:); ...        ];elseif(type==1)    if person ==1        colors=prism(6);        M= [colors(4:6,:); colors(1,:); ...            colors(4:6,:); colors(1,:); ...            colors(6,:); colors(6,:); colors(6,:); colors(5,:); colors(6,:); colors(5,:);...            colors(1,:); colors(2,:); colors(1,:); colors(4,:); ...            colors(1,:); colors(2,:); colors(1,:); colors(4,:);...            ];    elseif person ==2        colors =jet(6);        M= [colors(4:6,:); colors(1,:); ...            colors(4:6,:); colors(1,:); ...            colors(6,:); colors(6,:); colors(6,:); colors(5,:); colors(6,:); colors(5,:);...            colors(1,:); colors(2,:); colors(1,:); colors(4,:); ...            colors(1,:); colors(2,:); colors(1,:); colors(4,:);...            ];            endelseif(type==3)    M=[ colors(4:6,:); ...        colors(4:6,:); ...        colors(6,:); colors(6,:);  colors(6,:); ...        colors(1,:); colors(2,:); colors(1,:); ...        colors(1,:); colors(2,:); colors(1,:); ...        ];else    M = repmat(colors(2,:),length(indices),1);endif(showlines)    if(type<4)        for i = 1:length(indices)                        handle(i+1) = line([vals(I(i), 1) vals(J(i), 1)], ...                [vals(I(i), 3) vals(J(i), 3)], ...                [vals(I(i), 2) vals(J(i), 2)]);            missI = logical(length(find(missing == I(i))));            missJ = logical(length(find(missing == J(i))));            if(missI || missJ)                set(handle(i+1), 'linewidth', linewidth,'Color',M(i,:), 'LineStyle', '--');            elseif(gt)                set(handle(i+1), 'linewidth', linewidth,'Color','k', 'LineStyle', '--');            else                set(handle(i+1), 'linewidth', linewidth,'Color',M(i,:));            end        end        axis equal    else                for i = 1:length(indices)            handle(i+1) = line([vals(I(i), 1) vals(J(i), 1)],...                [vals(I(i), 2) vals(J(i), 2)], ...                [vals(I(i), 3) vals(J(i), 3)]);            set(handle(i+1), 'linewidth', 5,'Color',M(i,:));        end        axis equal    endend​% xlabel('x','Interpreter','latex','fontsize',10);% ylabel('z','Interpreter','latex','fontsize',10);% zlabel('y','Interpreter','latex','fontsize',10);​​​hold off​

3 仿真结果

4 参考文献

[1] Ramakrishna V ,  Kanade T ,  Sheikh Y . Reconstructing 3D human pose from 2D image landmarks.[C]// Springer Berlin Heidelberg. Springer Berlin Heidelberg, 2012.​

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