DSST算法MATLAB代码中，load_video_info.m文件修改，使其适合数据集

全选load_video_info.m代码，直接替换为下面代码即可

function [img_files, pos, target_sz, ground_truth, video_path] = load_video_info(video_path)

% [img_files, pos, target_sz, ground_truth, video_path] = load_video_info(video_path)

% text_files = dir([video_path '*_frames.txt']);
% f = fopen([video_path text_files(1).name]);
% frames = textscan(f, '%f,%f');
% fclose(f);

text_files = dir([video_path 'groundtruth_rect.txt']);
assert(~isempty(text_files), 'No initial position and ground truth (*_gt.txt) to load.')

f = fopen([video_path text_files(1).name]);
ground_truth = textscan(f, '%f,%f,%f,%f');  %[x, y, width, height]
ground_truth = cat(2, ground_truth{:});
fclose(f);

frames{1} = 1;
frames{2} = size(ground_truth,1);

%set initial position and size
target_sz = [ground_truth(1,4), ground_truth(1,3)];
pos = [ground_truth(1,2), ground_truth(1,1)];

ground_truth = [ground_truth(:,[2,1]) + (ground_truth(:,[4,3]) - 1) / 2 , ground_truth(:,[4,3])];

%see if they are in the 'imgs' subfolder or not
if exist([video_path num2str(frames{1}, 'img/%04i.png')], 'file'),
    video_path = [video_path 'img/'];
    img_files = num2str((frames{1} : frames{2})', '%04i.png');
elseif exist([video_path num2str(frames{1}, 'img/%04i.jpg')], 'file'),
    video_path = [video_path 'img/'];
    img_files = num2str((frames{1} : frames{2})', '%04i.jpg');
elseif exist([video_path num2str(frames{1}, 'img/%04i.bmp')], 'file'),
    video_path = [video_path 'img/'];
    img_files = num2str((frames{1} : frames{2})', '%04i.bmp');
else
    error('No image files to load.')
end

%list the files
img_files = cellstr(img_files);

end

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