Error using imread The file name or URL argument must be a string. Error in imread Error in image_block (line 29) currentfilename = imread(imagefiles);

[video, audio]= mmread('PH1p30p12to15.avi');
ww=video.frames;
kk=video.nrFramesTotal;
NFR=71;
for i=1:NFR
    www=ww(i);
    ss=www.cdata;
    bbr1=ss;
    bbr2=double(bbr1);
    data(:,:,:,i)=uint8(bbr2);
end

for i=1:NFR
vid=data(:,:,:,i);
strtemp=strcat('E:\mtech project\video dataset\PH1p30p12to15image',int2str(i),'.png');
imwrite(vid,strtemp);
end


imagefiles= dir('*.png');
for i=1:NFR
currentname = imagefiles(i);
currentfilename = imread(imagefiles);
image(i)= currentfilename;
SplitImage = mat2cell(images(i), 16 * ones(1, size(images(i),1) / 16), 16 * ones(1, size(images(i),2) / 16), size(images(i),3));
end

%%how to add loop to get all the video frames from a folder??
%%error file doesn't exist??

Answer 1

[KSSV]

imagefiles= dir('*.png');
for i=1:NFR
currentfilename = imagefiles(i).name;
I = imread(currentfilename);
% Do what you want
end

[shriya patil]

i want to apply loop to get video frames for example 1:71 frames, and then split each frame into block

[KSSV]

To read video frame by frame refer here :

https://in.mathworks.com/matlabcentral/answers/458135-how-to-change-color-space-of-any-video