123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118 |
- %=====================================================================
- % File: CPBD_test.m
- % Original code written by Niranjan D. Narvekar
- % IVU Lab (http://ivulab.asu.edu)
- % Last Revised: October 2009 by Niranjan D. Narvekar
- %=====================================================================
- % Copyright Notice:
- % Copyright (c) 2009-2010 Arizona Board of Regents.
- % All Rights Reserved.
- % Contact: Lina Karam (karam@asu.edu) and Niranjan D. Narvekar (nnarveka@asu.edu)
- % Image, Video, and Usabilty (IVU) Lab, ivulab.asu.edu
- % Arizona State University
- % This copyright statement may not be removed from this file or from
- % modifications to this file.
- % This copyright notice must also be included in any file or product
- % that is derived from this source file.
- %
- % Redistribution and use of this code in source and binary forms,
- % with or without modification, are permitted provided that the
- % following conditions are met:
- % - Redistribution's of source code must retain the above copyright
- % notice, this list of conditions and the following disclaimer.
- % - Redistribution's in binary form must reproduce the above copyright
- % notice, this list of conditions and the following disclaimer in the
- % documentation and/or other materials provided with the distribution.
- % - The Image, Video, and Usability Laboratory (IVU Lab,
- % http://ivulab.asu.edu) is acknowledged in any publication that
- % reports research results using this code, copies of this code, or
- % modifications of this code.
- %
- % The code and our papers are to be cited in the bibliography as:
- %
- % N.D. Narvekar and L. J. Karam, "CPBD Sharpness Metric Software",
- % http://ivulab.asu.edu/Quality/CPBD
- %
- % N.D. Narvekar and L. J. Karam, "A No-Reference Perceptual Image Sharpness
- % Metric Based on a Cumulative Probability of Blur Detection,"
- % International Workshop on Quality of Multimedia Experience (QoMEX 2009),
- % pp. 87-91, July 2009.
- %
- % N. D. Narvekar and L. J. Karam, "An Improved No-Reference Sharpness Metric Based on the
- % Probability of Blur Detection," International Workshop on Video Processing and Quality Metrics
- % for Consumer Electronics (VPQM), http://www.vpqm.org, January 2010.
- %
- % DISCLAIMER:
- % This software is provided by the copyright holders and contributors
- % "as is" and any express or implied warranties, including, but not
- % limited to, the implied warranties of merchantability and fitness for
- % a particular purpose are disclaimed. In no event shall the Arizona
- % Board of Regents, Arizona State University, IVU Lab members, or
- % contributors be liable for any direct, indirect, incidental, special,
- % exemplary, or consequential damages (including, but not limited to,
- % procurement of substitute goods or services; loss of use, data, or
- % profits; or business interruption) however caused and on any theory
- % of liability, whether in contract, strict liability, or tort
- % (including negligence or otherwise) arising in any way out of the use
- % of this software, even if advised of the possibility of such damage.
- %
- clc;
- clear all;
- % image_path = input('Enter image folder path (absolute or relative to current directory): ','s');
- image_path = '';
- is_MOS = input('Are the subjective scores Mean Opinion Scores (MOS) and not Difference MOS (DMOS)? (enter Y or N): ','s');
- if(is_MOS == 'Y')
- i_is_mos = 1;
- elseif(is_MOS == 'N')
- i_is_mos = 0;
- else
- disp('Error: Please Enter Y or N. Try again.');
- return;
- end
- % data_file = input('Enter excel data file name with extension and path (e.g., data.xls): ','s');
- data_file = 'data.xls';
- [num, txt] = xlsread(data_file);
- image_number = txt(2:end,1);
- metric_cpbd = zeros(1,numel(image_number));
- for i = 1:numel(image_number)
- A = imread([image_path,char(image_number(i))]);
- A = rgb2gray(A);
- metric_cpbd(i) = CPBD_compute(A); %%%%%%%%%%%%%%%%%%%%%%%%%%
- disp([' image number ='])
- disp(i);
- end
- xlswrite(data_file, metric_cpbd', 'D2:D175');
- num = xlsread(data_file);
- std_dev = num(:,1);
- mos_scores = num(:,2);
- metric_cpbd = num(:,3);
- [r, rnonlinear, rspear, routlier, rmse, mae] = evaluate_metric_performance(metric_cpbd, mos_scores, std_dev, i_is_mos); %%%%%%%%%%%%%%%
- disp('Pearson Linear Correlation Coefficient');
- rnonlinear
- disp('Spearman Rank-Order Correlation Coefficient');
- rspear
- disp('Root Mean Squared Error (RMSE)');
- rmse
- disp('Mean Absolute Error (MAE)');
- mae
- disp('Outlier Ratio');
- routlier
|