function [im_grey]=read_files(varargin)
nargs = length(varargin);
if nargs==1
nframes=varargin{1};
vid_name='ant_maze';
elseif nargs==2
nframes=varargin{1};
vid_name=varargin{2};
end
%%%%%%%%%%%%%%%%%%%%%%%%%%%读取图像%%%%%%%%%%%%%%%%%%%%%%%%
for i=1:nframes
%推断文件名
j=i-1;
suffix='.png';
file=[vid_name,'/',num2str(j),suffix];
a(:,:,:,i)=imread(file); %读取图像
YUV=rgb2yuv(a(:,:,:,i),0); %转换为YUV格式
im_grey(:,:,i)=YUV(:,:,1);
end
end
nargs = length(varargin);
if nargs==1
nframes=varargin{1};
vid_name='ant_maze';
elseif nargs==2
nframes=varargin{1};
vid_name=varargin{2};
end
%%%%%%%%%%%%%%%%%%%%%%%%%%%读取图像%%%%%%%%%%%%%%%%%%%%%%%%
for i=1:nframes
%推断文件名
j=i-1;
suffix='.png';
file=[vid_name,'/',num2str(j),suffix];
a(:,:,:,i)=imread(file); %读取图像
YUV=rgb2yuv(a(:,:,:,i),0); %转换为YUV格式
im_grey(:,:,i)=YUV(:,:,1);
end
end