==============================================================
CONSTRUCT_MODEL_EXAMPLE: Constructs a model example
Code written by Katherine Smith, 2003
GENERAL
[example, example_shape] =
construct_model_example(params, model, ref_points_vec);
INPUT/S
-params:
Input parameters. meaning of each parameter is
yet to be resolved.
-model:
X
-ref_points_vec:
X
OUTPUT/S
-example
X
-example_shape
X
PENDING WORK
-Find out what each parameters does (see INPUT/S)
KNOWN BUG/S
-
COMMENT/S
-
RELATED FUNCTION/S
ABOUT
-Created: November 23rd, 2003
-Last update: Novermber 24th, 2003
-Revision: 0.0.2
-Author: R. S. Schestowitz, University of Manchester
==============================================================0001 function [example, example_shape] = construct_model_example(params, model, ref_points_vec); 0002 % ============================================================== 0003 % CONSTRUCT_MODEL_EXAMPLE: Constructs a model example 0004 % 0005 % Code written by Katherine Smith, 2003 0006 % 0007 % GENERAL 0008 % 0009 % [example, example_shape] = 0010 % construct_model_example(params, model, ref_points_vec); 0011 % 0012 % 0013 % INPUT/S 0014 % 0015 % -params: 0016 % Input parameters. meaning of each parameter is 0017 % yet to be resolved. 0018 % 0019 % -model: 0020 % X 0021 % 0022 % -ref_points_vec: 0023 % X 0024 % 0025 % OUTPUT/S 0026 % 0027 % -example 0028 % X 0029 % 0030 % -example_shape 0031 % X 0032 % 0033 % PENDING WORK 0034 % 0035 % -Find out what each parameters does (see INPUT/S) 0036 % 0037 % KNOWN BUG/S 0038 % 0039 % - 0040 % 0041 % COMMENT/S 0042 % 0043 % - 0044 % 0045 % RELATED FUNCTION/S 0046 % 0047 % 0048 % 0049 % ABOUT 0050 % 0051 % -Created: November 23rd, 2003 0052 % -Last update: Novermber 24th, 2003 0053 % -Revision: 0.0.2 0054 % -Author: R. S. Schestowitz, University of Manchester 0055 % ============================================================== 0056 0057 combined_shape_pcs = model.pcs(1:model.n_shape_modes,:); 0058 combined_intensity_pcs = model.pcs(model.n_shape_modes+1:size(model.pcs),:); 0059 0060 % get shape-free grey-level image 0061 example_sample = model.intensity_model.mean' + ... 0062 sum(model.intensity_model.pcs * (combined_intensity_pcs .* ... 0063 repmat(params,size(combined_intensity_pcs,1),1)),2); 0064 0065 % get reparameterisation 0066 where = find(model.shape_weight==0); 0067 model.shape_weight(where) = realmax; 0068 example_shape = model.shape_model.mean' + ... 0069 sum((model.shape_model.pcs ./ repmat(model.shape_weight,size(model.shape_model.pcs,1),1)) * (combined_shape_pcs .* ... 0070 repmat(params,size(combined_shape_pcs,1),1)),2); 0071 0072 % warp the shape-free image from above! 0073 example = interp1(ref_points_vec, example_sample, example_shape, 'linear',0); 0074