diff options
Diffstat (limited to 'analyzer/pgmtexture.c')
| -rw-r--r-- | analyzer/pgmtexture.c | 101 |
1 files changed, 57 insertions, 44 deletions
diff --git a/analyzer/pgmtexture.c b/analyzer/pgmtexture.c index 4e0dd4d5..5af51bf5 100644 --- a/analyzer/pgmtexture.c +++ b/analyzer/pgmtexture.c @@ -1,49 +1,5 @@ /* pgmtexture.c - calculate textural features of a PGM image ** -** Author: James Darrell McCauley -** Texas Agricultural Experiment Station -** Department of Agricultural Engineering -** Texas A&M University -** College Station, Texas 77843-2117 USA -** -** Code written partially taken from pgmtofs.c in the PBMPLUS package -** by Jef Poskanzer. -** -** Algorithms for calculating features (and some explanatory comments) are -** taken from: -** -** Haralick, R.M., K. Shanmugam, and I. Dinstein. 1973. Textural features -** for image classification. IEEE Transactions on Systems, Man, and -** Cybertinetics, SMC-3(6):610-621. -** -** Copyright (C) 1991 Texas Agricultural Experiment Station, employer for -** hire of James Darrell McCauley -** -** Permission to use, copy, modify, and distribute this software and its -** documentation for any purpose and without fee is hereby granted, provided -** that the above copyright notice appear in all copies and that both that -** copyright notice and this permission notice appear in supporting -** documentation. This software is provided "as is" without express or -** implied warranty. -** -** THE TEXAS AGRICULTURAL EXPERIMENT STATION (TAES) AND THE TEXAS A&M -** UNIVERSITY SYSTEM (TAMUS) MAKE NO EXPRESS OR IMPLIED WARRANTIES -** (INCLUDING BY WAY OF EXAMPLE, MERCHANTABILITY) WITH RESPECT TO ANY -** ITEM, AND SHALL NOT BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL -** OR CONSEQUENTAL DAMAGES ARISING OUT OF THE POSESSION OR USE OF -** ANY SUCH ITEM. LICENSEE AND/OR USER AGREES TO INDEMNIFY AND HOLD -** TAES AND TAMUS HARMLESS FROM ANY CLAIMS ARISING OUT OF THE USE OR -** POSSESSION OF SUCH ITEMS. -** -** Modification History: -** 24 Jun 91 - J. Michael Carstensen <jmc@imsor.dth.dk> supplied fix for -** correlation function. -** -** 05 Oct 05 - Marc Breithecker <Marc.Breithecker@informatik.uni-erlangen.de> -** Fix calculation or normalizing constants for d > 1. -** 9 Jul 11 - Francois P. S. Luus <fpsluus@gmail.com> supplied fix for sum -** variance calculation (use F6:savg instead of F8:sentropy in -** F7:svar equation). */ @@ -93,7 +49,16 @@ static bool const sortit = FALSE; static float * vector(unsigned int const nl, unsigned int const nh) { +/*---------------------------------------------------------------------------- + Allocate a float vector with range [nl..nh] + + We do some seedy C here, subtracting an arbitrary integer from a pointer and + calling the result a pointer. It normally works because the only way we'll + use that pointer is by adding that same integer or something greater to it. + The point of this is not to allocate memory for vector elements that will + never be referenced (component < nl). +-----------------------------------------------------------------------------*/ float * v; unsigned int i; @@ -1175,3 +1140,51 @@ main (int argc, const char ** argv) { return 0; } + + +/* +** Author: James Darrell McCauley +** Texas Agricultural Experiment Station +** Department of Agricultural Engineering +** Texas A&M University +** College Station, Texas 77843-2117 USA +** +** Code written partially taken from pgmtofs.c in the PBMPLUS package +** by Jef Poskanzer. +** +** Algorithms for calculating features (and some explanatory comments) are +** taken from: +** +** Haralick, R.M., K. Shanmugam, and I. Dinstein. 1973. Textural features +** for image classification. IEEE Transactions on Systems, Man, and +** Cybertinetics, SMC-3(6):610-621. +** +** Copyright (C) 1991 Texas Agricultural Experiment Station, employer for +** hire of James Darrell McCauley +** +** Permission to use, copy, modify, and distribute this software and its +** documentation for any purpose and without fee is hereby granted, provided +** that the above copyright notice appear in all copies and that both that +** copyright notice and this permission notice appear in supporting +** documentation. This software is provided "as is" without express or +** implied warranty. +** +** THE TEXAS AGRICULTURAL EXPERIMENT STATION (TAES) AND THE TEXAS A&M +** UNIVERSITY SYSTEM (TAMUS) MAKE NO EXPRESS OR IMPLIED WARRANTIES +** (INCLUDING BY WAY OF EXAMPLE, MERCHANTABILITY) WITH RESPECT TO ANY +** ITEM, AND SHALL NOT BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL +** OR CONSEQUENTAL DAMAGES ARISING OUT OF THE POSSESSION OR USE OF +** ANY SUCH ITEM. LICENSEE AND/OR USER AGREES TO INDEMNIFY AND HOLD +** TAES AND TAMUS HARMLESS FROM ANY CLAIMS ARISING OUT OF THE USE OR +** POSSESSION OF SUCH ITEMS. +** +** Modification History: +** 24 Jun 91 - J. Michael Carstensen <jmc@imsor.dth.dk> supplied fix for +** correlation function. +** +** 05 Oct 05 - Marc Breithecker <Marc.Breithecker@informatik.uni-erlangen.de> +** Fix calculation or normalizing constants for d > 1. +** 9 Jul 11 - Francois P. S. Luus <fpsluus@gmail.com> supplied fix for sum +** variance calculation (use F6:savg instead of F8:sentropy in +** F7:svar equation). +*/ |