tracker_benchmark_v1.0中vivid_trackers.m文件在调试的过程中会莫名其妙的返回主函数

[三千越甲可吞吴、]

function results=vivid_trackers(seq, res_path, bSaveImage,trackerIdx)

fstart = seq.startFrame;
s_frames = seq.s_frames;

im = imread(s_frames{1});

% if size(im,3)==1
%     results.info = 'Gray! Needs color input';
%     results.res=[];
%     return;
% end

if size(im,3)==1    
    imRGB(:,:,1)=im;
    imRGB(:,:,2)=im;
    imRGB(:,:,3)=im;
    im = uint8(imRGB);
end

%get size
nrows = size(im,1);
ncols = size(im,2);

%display image
if bSaveImage
    imshow(im)
end

%get object mask;
objMask = zeros(nrows, ncols)*255;
objMask = uint8(objMask);

%get object bounding box

r=seq.init_rect;

left=r(1);
top=r(2);
right=r(1)+r(3)-1;
bottom=r(2)+r(4)-1;

objMask(top:bottom,left:right)=255;

objBox = [left,right,top,bottom];
% figure(1);
if bSaveImage
    drawboxmm(objBox(1),objBox(2),objBox(3),objBox(4),'b',3);
end
%use object mask or not
maskFlag = 0;

%tracker selection
% trackerIdx = 3;
tracker_name =[];

%initialize tracker on first frame
switch trackerIdx
    case 1
        if maskFlag == 1
            initModel = tkTemplateMatch_Init(im, objBox, objMask);
        else
            initModel = tkTemplateMatch_Init(im, objBox);
        end
    case 2
        if maskFlag == 1
            initModel = tkMeanShift_Init(im, objBox, objMask);
        else
            initModel = tkMeanShift_Init(im, objBox);
        end
    case 3
        if maskFlag == 1
            initModel = tkVarianceRatio_Init(im, objBox,objMask);
        else
            initModel = tkVarianceRatio_Init(im, objBox);
        end
    case 4
        if maskFlag == 1
            initModel = tkPeakDifference_Init(im, objBox,objMask);
        else
            initModel = tkPeakDifference_Init(im, objBox);
        end
    case 5
        if maskFlag == 1
            initModel = tkRatioShift_Init(im, objBox,objMask);
        else
            initModel = tkRatioShift_Init(im, objBox);
        end
end


% now go to next frame...
nextframe = fstart+1;

res = zeros(seq.len,4);
res(1,:)=seq.init_rect;
totalTime = 0;
for t = 2:seq.len
    % read the next frame
    
    im = imread(s_frames{t});
    
    if size(im,3)==1
        imRGB(:,:,1)=im;
        imRGB(:,:,2)=im;
        imRGB(:,:,3)=im;
        im = uint8(imRGB);
    end
%     fprintf('#%d\n', t);
    
    % display image
    %     figure(1); clf;
    %     imagesc(im)
    %     %axis equal;
    if bSaveImage
        imshow(im)
    end
    
    tic
    switch trackerIdx
        case 1
            [rstBox, objMask] = tkTemplateMatch_Next(initModel, im, objBox);
        case 2
            [rstBox, objMask] = tkMeanShift_Next(initModel, im, objBox);
        case 3
            [rstBox, objMask] = tkVarianceRatio_Next(initModel, im, objBox);
        case 4
            [rstBox, objMask] = tkPeakDifference_Next(initModel, im, objBox);
        case 5
            [rstBox, objMask] = tkRatioShift_Next(initModel, im, objBox);
    end
    totalTime=totalTime+toc;
    w = rstBox(2)-rstBox(1)+1;
%     h = rstBox(4)-rstBox(3)+1;
    
    if w < seq.init_rect(3)
        if rstBox(1) + seq.init_rect(3) - 1 <= size(im,2)
            rstBox(2) = rstBox(1) + seq.init_rect(3) - 1;
        else
            rstBox(1) = rstBox(2) - seq.init_rect(3) + 1;
        end
    end
    
    if h < seq.init_rect(4)
        if rstBox(3) + seq.init_rect(4) - 1 <= size(im,1)
            rstBox(4) = rstBox(3) + seq.init_rect(4) - 1;
        else
            rstBox(3) = rstBox(4) - seq.init_rect(4) + 1;
        end
    end
%     
%     if w < 5
%         rstBox(2) = rstBox(1) + 4;
%     end
%     
%     if h < 5
%         rstBox(4) = rstBox(3) + 4;
%     end
    
    objBox = rstBox;
    res(t,:)=[objBox(1), objBox(3), objBox(2)-objBox(1)+1, objBox(4)-objBox(3)+1];
    
    % inner bounding box (containing object)
    %     figure(1);
    if bSaveImage
        drawboxmm(objBox(1),objBox(2),objBox(3),objBox(4),'r',4);
        text(10, 15, ['#' num2str(t)], 'Color','y', 'FontWeight','bold', 'FontSize',24);
        imwrite(frame2im(getframe(gcf)),sprintf('%s/%04d.jpg',res_path,t));
    end
    % display mask
    %      figure(3); clf;
    %      imagesc(objMask)
end  % loop back and continue

results.type='rect';
results.res=res;
results.fps=(seq.len-1)/totalTime;

disp(['fps: ' num2str(results.fps)])

问题：运行到58行switch函数的时候，无论什么情况都会自动跳转回主函数。switch函数中调用的函数没有.m文件，但是有.dll文件。问题不知道出在哪里，具体文件夹和文件如图：