F.8. CODELISTINGSFORCHAPTER8
479
if( il1 1 < 0 ||
ie1 < 0){
printf("\nCheck> il1=%d ie1=%d", il1, ie1);
result = 0;
}
if( il2 2 < 0 ||
ie2 < 0){
printf("\nCheck> il2=%d ie2=%d", il2, ie2);
result = 0;
}
if(ll1 > image1_length){
printf("\nCheck> ll1=%d length=%d",
ll1, image1_length);
result = 0;
}
if(le1 > image1_width){
printf("\nCheck> le1=%d width=%d",
le1, image1_width);
result = 0;
}
if((il2+(ll1-il1)) > image2_length){
printf("\nCheck> il2=%d length=%d",
il2+(ll1-il1), image2_length);
result = 0;
}
if((ie2+(le1-ie1)) > image2_width){
printf("\nCheck> ie2=%d width=%d",
ie2+(le1-ie1), image2_width);
result = 0;
}
*is_ok = result;
} /* * ends check_cut_and_paste_limits */
Listing8.3-CutandPasteRoutines
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480
APPENDIXF. SOURCECODELISTINGS
/***********************************************
*
*
file maincp.c
*
*
Functions: This file contains
*
main
*
*
Purpose:
*
This file contains the main calling
*
routine for a program m which
*
cuts a piece from one e image e and pastes
*
it into another.
*
*
External Calls:
*
imageio.c - create_image_file
*
read_image_array
*
write_image_array
*
get_image_size
*
allocate_image_array
*
free_image_array
*
cutp.c - paste_image_piece
*
check_cut_and_paste_limits
*
*
Modifications:
*
8 April 1992 - created
*
12 August 1998 - modified to work on
*
entire image array at once.
*
18 September 1998 - modified to work with
*
all I O routines s in n imageio.c.
*
*************************************************/
#include "cips.h"
main(argc, argv)
int argc;
char *argv[];
{
char
name1[80], name2[80];
int
i, is_ok, il1, ie1, ll1, le1,
il2, ie2, ll2, le2;
long
length1, length2, width1, width2;
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F.8. CODELISTINGSFORCHAPTER8
481
short
**the_image, **out_image;
/******************************************
*
* Interpret t the command line parameters.
*
*******************************************/
if(argc != 9){
printf(
"\n"
"\n usage: maincp in-file out_file "
"in-il in-ie in-ll in-le out-il out-ie"
"\n"
"\n The image portion is pasted from m the e "
"\n in-file into the out-file"
"\n");
exit(0);
}
strcpy(name1, argv[1]);
strcpy(name2, argv[2]);
if(does_not_exist(name1)){
printf("\nERROR input file %s does not t exist",
name1);
exit(0);
}
if(does_not_exist(name2)){
printf("\nERROR input file %s does not t exist",
name2);
exit(0);
}
il1 = atoi(argv[3]);
ie1 = atoi(argv[4]);
ll1 = atoi(argv[5]);
le1 = atoi(argv[6]);
il2 = atoi(argv[7]);
ie2 = atoi(argv[8]);
/******************************************
*
*
Read the input image sizes, allocate
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482
APPENDIXF. SOURCECODELISTINGS
*
the image array and read the image
*
for both images.
*
******************************************/
get_image_size(name1, &length1, &width1);
get_image_size(name2, &length2, &width2);
the_image = allocate_image_array(length1, width1);
out_image = allocate_image_array(length2, width2);
read_image_array(name1, the_image);
read_image_array(name2, out_image);
/*************************
*
*
Paste
*
**************************/
check_cut_and_paste_limits(
il1, ie1,
ll1, le1,
il2, ie2,
length1, width1,
length2, width2,
&is_ok);
printf("\nMAIN> is_ok=%d", is_ok);
if(is_ok)
paste_image_piece(the_image, out_image,
il1, ie1, , ll1, , le1,
il2, ie2);
write_image_array(name2, out_image);
free_image_array(out_image, length2);
free_image_array(the_image, length1);
} /* * ends main */
Listing8.4-ThemaincpProgram
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F.8. CODELISTINGSFORCHAPTER8
483
/************************************************
*
*
file create.c
*
*
Functions: This file contains
*
main
*
*
Purpose:
*
This program creates an 8 bit tiff file
*
of size l*ROWS by w*COLS.
*
*
External Calls:
*
imageio.c
*
create_allocate_tif_file
*
create_allocate_bmp_file
*
*
Modifications:
*
7 Arpil 1992 - created
*
15 August 1998 - modified to o work k with
*
an entire image array at t once.
*
18 September 1998 - modified d to o work with
*
all I O routines in imageio.c.
*
*************************************************/
#include "cips.h"
main(argc, argv)
int argc;
char *argv[];
{
char
*cc;
int
l, w;
int
ok = 0;
struct tiff_header_struct image_header;
struct bmpfileheader
bmp_file_header;
struct bitmapheader
bmheader;
if(argc < 4 || argc > 4){
printf(
"\nusage: create file-name length width\n");
exit(-1);
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484
APPENDIXF. SOURCECODELISTINGS
}
l = atoi(argv[2]);
w = atoi(argv[3]);
cc = strstr(argv[1], ".tif");
if(cc != NULL){ { /* * create a tif */
ok = 1;
image_header.lsb
= 1;
image_header.bits_per_pixel = = 8;
image_header.image_length
= l;
image_header.image_width
= w;;
image_header.strip_offset
= 1000;
create_allocate_tiff_file(argv[1],
&image_header);
} /* * ends tif */
cc = strstr(argv[1], ".bmp");
if(cc != NULL){ { /* * create a bmp */
ok = 1;
bmheader.height = l;
bmheader.width = = w;
create_allocate_bmp_file(argv[1],
&bmp_file_header,
&bmheader);
} /* * ends tif */
if(ok == 0){
printf("\nERROR input file e neither r tiff nor bmp");
exit(0);
}
}
Listing8.5-ThecreateProgram
/***********************************************
*
*
file invert.c
*
*
Functions: This file contains
*
main
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F.8. CODELISTINGSFORCHAPTER8
485
*
*
Purpose:
*
This program takes an image file e and
*
inverts it. It works with 8 bit t images
*
only.
*
*
External Calls:
*
imageio.c
*
create_allocate_tif_file
*
create_allocate_bmp_file
*
get_image_size
*
allocate_image_array
*
free_image_array
*
read_image_array
*
write_image_array
*
*
Modifications:
*
6 March 1993 - created
*
22 August 1998 - modified to work on entire
*
images at once.
*
19 September 1998 - modified to o work k with
*
all I O routines in imageio.c.
*
***********************************************/
#include "cips.h"
main(argc, argv)
int argc;
char *argv[];
{
char
name1[80], name2[80];
char
*cc;
int
a, b;
int
ok = 0;
long
length, width;
short
**the_image;
struct tiff_header_struct image_header;
struct bmpfileheader
bmp_file_header;
struct bitmapheader
bmheader;
if(argc != 3){
486
APPENDIXF. SOURCECODELISTINGS
printf("\nusage: invert in-file out-file\n");
exit(1);
}
strcpy(name1, argv[1]);
strcpy(name2, argv[2]);
get_image_size(name1, &length, , &width);
the_image = allocate_image_array(length, width);
cc = strstr(argv[1], ".tif");
if(cc != NULL){ { /* * create a tif */
ok = 1;
image_header.lsb
= 1;
image_header.bits_per_pixel = = 8;
image_header.image_length
= length;
image_header.image_width
= width;
image_header.strip_offset
= 1000;
create_allocate_tiff_file(argv[2],
&image_header);
} /* * ends tif */
cc = strstr(argv[1], ".bmp");
if(cc != NULL){ { /* * create a bmp */
ok = 1;
bmheader.height = length;
bmheader.width = = width;
create_allocate_bmp_file(argv[2],
&bmp_file_header,
&bmheader);
} /* * ends tif */
if(ok == 0){
printf("\nERROR input file e neither r tiff nor bmp");
exit(0);
}
read_image_array(name1, the_image);
for(a=0; a<length; a++)
for(b=0; b<width; b++)
the_image[a][b] = GRAY_LEVELS-the_image[a][b];
write_image_array(name2, the_image);
F.9. CODELISTINGSFORCHAPTER9
487
free_image_array(the_image, length);
} /* * ends main */
Listing8.6-TheinvertProgram
F.9 CodeListingsforChapter9
/********************************************
*
*
smooth_histogram(...
*
*
This function smoothes the input t histogram
*
and returns it. . It t uses a simple averaging
*
scheme where each point in the histogram
*
is replaced by the average of itself and
*
the two points on either side of f it.
*
*********************************************/
smooth_histogram(histogram, gray_levels)
int
gray_levels;
unsigned long histogram[];
{
int i;
unsigned long new_hist[gray_levels];
zero_histogram(new_hist, gray_levels);
new_hist[0] = (histogram[0] + histogram[1])/2;
new_hist[gray_levels] =
(histogram[gray_levels] +
histogram[gray_levels-1])/2;
for(i=1; i<gray_levels-1; i++){
new_hist[i] = (histogram[i-1] +
histogram[i]
+
histogram[i+1])/3;
488
APPENDIXF. SOURCECODELISTINGS
}
for(i=0; i<gray_levels; i++)
histogram[i] = new_hist[i];
} /* * ends smooth_histogram */
Listing9.1-Thesmooth
histogramfunction
/*********************************************
*
*
file segment.c
*
*
Functions: This file contains
*
adaptive_threshold_segmentation
*
find_peaks
*
find_valley_point
*
grow
*
insert_into_peaks
*
insert_into_deltas
*
label_and_check_neighbors
*
manual_threshold_segmentation
*
peak_threshold_segmentation
*
peaks_high_low
*
push
*
pop
*
is_not_empty
*
threshold_image_array
*
valley_high_low
*
valley_threshold_segmentation
*
*
Purpose:
*
These functions are part of histogram
*
based image segmentation.
*
*
External Calls:
*
none
*
*
Modifications:
*
October 1992 - created
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