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Diffstat (limited to 'macros/TemplateMatcher.sci')
| -rw-r--r-- | macros/TemplateMatcher.sci | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/macros/TemplateMatcher.sci b/macros/TemplateMatcher.sci new file mode 100644 index 0000000..d5e60d8 --- /dev/null +++ b/macros/TemplateMatcher.sci @@ -0,0 +1,60 @@ +function new_image = TemplateMatcher(image, template_image, varargin) +// Compares a template in overlapped image regions +// +// Calling Sequence +// newimage = TemplateMatcher(image, template_image) +// +// Parameters +// image : 8-bit or 32-bit floating image +// template_image : Searched template. It must not be greater than the source image and have the same data type of input image. +// newimage : Map of comparison results. It must be single channel 32-bit floating-point. Its size is (W-w+1) * (H-h+1) if image is W * H and template_image is w * h +// +// Description +// The function compares the w * h sized images of the original image against the template image and stores the result in the new_image. +// +// Examples +// I = imread('cameraman.tif'); +// Igray = rgb2gray(I); +// T = Igray(20:75, 90:135); +// J = TemplateImage(I, T); +// imshow(J); +// +// Authors +// Suraj Prakash + + + [ lhs rhs ] = argn(0) + if lhs > 1 then + error(msprintf("Too many output argument")) + end + + if rhs > 2 then + error(msprintf("Too many input arguments")) + end + + [imagerows imagecols imagechannel] = size(image) + [t_rows t_cols t_channel] = size(template_image) + if t_rows > imagerows | t_cols > imagecols then + error(msprintf("Template image is greater than image\n")) + end + + image_list = mattolist(image) + template_image_list = mattolist(template_image) + + if rhs == 2 then + + temp = opencv_TemplateMatcher(image_list, template_image_list) + + elseif rhs == 3 then + + temp = opencv_TemplateMatcher(image_list, template_image_list, varargin(1)) + + end + + sz = size(temp) + + for i=1 : sz + new_image(:, :, i) = temp(i) + end + +endfunction |