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astrovideoguide_v3/main.c
Edward Emelianov ae3f52db70 initial commit
2021-03-29 18:27:24 +03:00

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/*
* This file is part of the loccorr project.
* Copyright 2021 Edward V. Emelianov <edward.emelianoff@gmail.com>.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <math.h>
#include <signal.h> // signal
#include <stb/stb_image_write.h>
#include <stdio.h> // printf
#include <stdlib.h> // exit, free
#include <string.h> // strdup
#include <time.h>
#include <unistd.h> // sleep
#include <usefull_macros.h>
#include "binmorph.h"
#include "cmdlnopts.h"
#include "draw.h"
#include "inotify.h"
#include "fits.h"
#include "imagefile.h"
#include "median.h"
/**
* We REDEFINE the default WEAK function of signal processing
*/
void signals(int sig){
if(sig){
signal(sig, SIG_IGN);
DBG("Get signal %d, quit.\n", sig);
}
LOGERR("Exit with status %d", sig);
if(GP && GP->pidfile) // remove unnesessary PID file
unlink(GP->pidfile);
exit(sig);
}
void iffound_default(pid_t pid){
ERRX("Another copy of this process found, pid=%d. Exit.", pid);
}
static InputType chk_inp(const char *name){
if(!name) ERRX("Point file or directory name to monitor");
InputType tp = chkinput(GP->inputname);
if(T_WRONG == tp) return T_WRONG;
green("\n%s is a ", name);
switch(tp){
case T_DIRECTORY:
printf("directory");
break;
case T_JPEG:
printf("jpeg");
break;
case T_PNG:
printf("png");
break;
case T_GIF:
printf("gif");
break;
case T_FITS:
printf("fits");
break;
case T_BMP:
printf("bmp");
break;
case T_GZIP:
printf("maybe fits.gz?");
break;
default:
printf("Unsupported type\n");
return T_WRONG;
}
printf("\n");
return tp;
}
static bool save_fits(Image *I, const char *name){
unlink(name);
return FITS_write(name, I);
}
static void savebin(uint8_t *b, int W, int H, const char *name){
Image *I = bin2Im(b, W, H);
if(I){
save_fits(I, name);
Image_free(&I);
}
}
//++npoints, b->area, Isum, wh, xc, yc, x2c, y2c
typedef struct{
uint32_t area; // object area in pixels
double Isum; // total object's intensity over background
double WdivH; // width of object's box divided by height
double xc; double yc;// centroid coordinates
double xsigma; // STD by horizontal and vertical axes
double ysigma;
} object;
// function for Qsort
int compObjs(const void *a, const void *b){
const object *oa = (const object*)a;
const object *ob = (const object*)b;
double idiff = (oa->Isum - ob->Isum)/(oa->Isum + ob->Isum);
if(fabs(idiff) > GP->intensthres) return (idiff > 0) ? -1:1;
double r2a = oa->xc * oa->xc + oa->yc * oa->yc;
double r2b = ob->xc * ob->xc + ob->yc * ob->yc;
return (r2a < r2b) ? -1 : 1;
}
static void process_file(const char *name){
#ifdef EBUG
double t0 = dtime(), tlast = t0;
#define DELTA(p) do{double t = dtime(); DBG("---> %s @ %gms (delta: %gms)", p, (t-t0)*1e3, (t-tlast)*1e3); tlast = t;}while(0)
#else
#define DELTA(x)
#endif
// I - original image
// M - median filtering
// mean - local mean
// std - local STD
/**** read original image ****/
Image *I = Image_read(name);
DELTA("Imread");
if(!I){
WARNX("Can't read");
return;
}
int W = I->width, H = I->height;
I->dtype = FLOAT_IMG;
save_fits(I, "fitsout.fits");
DELTA("Save original");
/*
uint8_t *outp = NULL;
if(GP->equalize)
outp = equalize(I, 3, GP->throwpart);
else
outp = linear(I, 3);
// draw test crosses
Pattern *cross = Pattern_cross(301, 301);
Img3 i3 = {.data = outp, .w = I->width, .h = I->height};
Pattern_draw3(&i3, cross, I->width-100, I->height-100, C_R);
Pattern_draw3(&i3, cross, I->width/2, I->height/2, C_G);
Pattern_draw3(&i3, cross, 100, 100, C_W);
Pattern_free(&cross);
DBG("Try to write %s", name);
stbi_write_jpg("jpegout.jpg", I->width, I->height, 3, outp, 95);
FREE(outp);*/
#ifdef GETMEDIAN
/**** get median image ****/
Image *M = get_median(I, GP->medradius);
if(M){
DELTA("Got median");
/*outp = linear(M, 3);
stbi_write_jpg("median.jpg", I->width, I->height, 3, outp, 95);
FREE(outp);*/
save_fits(M, "median.fits");
DELTA("Save median");
#endif
/*
Image *mean = NULL, *std = NULL;
if(get_stat(I, GP->medradius, &mean, &std)){
DBG("Save std & mean");
save_fits(mean, "mean.fits");
save_fits(std, "std.fits");
int wh = I->width*I->height;
Image *diff = Image_sim(I);
OMP_FOR()
for(int i = 0; i < wh; ++i){
Imtype pixval = fabs(I->data[i] - M->data[i]);
//register Imtype mode = fabs(2.5*M->data[i] - 1.5*mean->data[i]);
//register Imtype pixval = fabs(mode - I->data[i]);
if(pixval > std->data[i]) diff->data[i] = 100.;
}
save_fits(diff, "val_med.fits");
Image_free(&diff);
}else WARNX("Can't calculate statistics");
Image_free(&mean);
Image_free(&std);
*/
Imtype bk;
if(calc_background(I, &bk)){
DBG("backgr = %g", bk);
DELTA("Got background");
//uint8_t *ibin = Im2bin(I, 1960.);
uint8_t *ibin = Im2bin(I, bk);
DELTA("Made binary");
if(ibin){
savebin(ibin, W, H, "binary.fits");
DELTA("save binary.fits");
;
uint8_t *er = erosionN(ibin, W, H, GP->nerosions);
DELTA("Erosion");
savebin(er, W, H, "erosion.fits");
DELTA("Save erosion");
uint8_t *opn = dilationN(er, W, H, GP->ndilations);
FREE(er);
DELTA("Opening");
savebin(opn, W, H, "opening.fits");
DELTA("Save opening");
ConnComps *cc;
size_t *S = cclabel4(opn, W, H, &cc);
//double averW = 0., averH = 0.;
//green("Found %zd objects\n", cc->Nobj-1);
//printf("%6s\t%6s\t%6s\t%6s\t%6s\t%6s\t%6s\n", "N", "area", "w/h", "Xc", "Yc", "Xw", "Yw");
object *Objects = MALLOC(object, cc->Nobj-1);
int objctr = 0;
for(size_t i = 1; i < cc->Nobj; ++i){
Box *b = &cc->boxes[i];
//DBG("BOX %zd: area=%d, x:(%d-%d), y:(%d:%d)", i, b->area, b->xmin, b->xmax, b->ymin, b->ymax);
double wh = ((double)b->xmax - b->xmin)/(b->ymax - b->ymin);
if(wh < 0.77 || wh > 1.3) continue;
if((int)b->area < GP->minarea) continue;
double xc = 0., yc = 0.;
double x2c = 0., y2c = 0., Isum = 0.;
for(size_t y = b->ymin; y <= b->ymax; ++y){
size_t idx = y*W + b->xmin;
size_t *maskptr = &S[idx];
Imtype *Iptr = &I->data[idx];
for(size_t x = b->xmin; x <= b->xmax; ++x, ++maskptr, ++Iptr){
//DBG("(%zd, %zd): %zd / %g", x, y, *maskptr, *Iptr);
if(*maskptr != i) continue;
double intens = (double) (*Iptr - bk);
if(intens < 0.) continue;
double xw = x * intens, yw = y * intens;
xc += xw;
yc += yw;
x2c += xw * x;
y2c += yw * y;
Isum += intens;
}
}
xc /= Isum; yc /= Isum;
x2c = x2c/Isum - xc*xc;
y2c = y2c/Isum - yc*yc;
Objects[objctr++] = (object){
.area = b->area, .Isum = Isum,
.WdivH = wh, .xc = xc, .yc = yc,
.xsigma = sqrt(x2c), .ysigma = sqrt(y2c)
};
///object *o = &Objects[objctr-1];
///printf("%6d\t%6d\t%14.1f\t%6.1f\t%6.1f\t%6.1f\t%6.1f\t%6.1f\n", i, o->area, 40.-2.5*log(o->Isum), o->WdivH, o->xc, o->yc, o->xsigma, o->ysigma);
//averH += y2c; averW += x2c;
}
DELTA("Labeling");
printf("%zd %d\n", time(NULL), objctr);
qsort(Objects, objctr, sizeof(object), compObjs);
object *o = Objects;
for(int i = 0; i < objctr; ++i, ++o){
// 1.0857 = 2.5/ln(10)
printf("%6d\t%6d\t%6.1f\t%6.1f\t%6.1f\t%6.1f\t%6.1f\t%6.1f\n", i, o->area, 20.-1.0857*log(o->Isum), o->WdivH, o->xc, o->yc, o->xsigma, o->ysigma);
}
FREE(cc);
FREE(Objects);
Image *c = ST2Im(S, W, H);
FREE(S);
DELTA("conv size_t -> Ima");
save_fits(c, "size_t.fits");
Image_free(&c);
DELTA("Save size_t");
#if 0
uint8_t *f4 = filter8(ibin, W, H);
DELTA("calc f8");
savebin(f4, W, H, "f8.fits");
DELTA("save f8.fits");
uint8_t *e1 = erosion(ibin, W, H);
DELTA("Get e");
savebin(e1, W, H, "er.fits");
DELTA("Save er.fits");
uint8_t *e2 = dilation(ibin, W, H);
DELTA("Get di");
savebin(e2, W, H, "dil.fits");
DELTA("Save dil.fits");
FREE(e1);
FREE(e2);
#endif
#if 0
e1 = openingN(ibin, W, H, 1);
savebin(e1, W, H, "op.fits");
e2 = closingN(ibin, W, H, 1);
savebin(e2, W, H, "cl.fits");
FREE(e1);
FREE(e2);
#endif
FREE(ibin);
FREE(opn);
}
}
#ifdef GETMEDIAN
Image_free(&M);
}
#endif
DELTA("End");
Image_free(&I);
}
static int process_input(InputType tp, char *name){
if(tp == T_DIRECTORY) return watch_directory(name, process_file);
return watch_file(name, process_file);
}
int main(int argc, char *argv[]){
initial_setup();
char *self = strdup(argv[0]);
GP = parse_args(argc, argv);
if(GP->throwpart < 0. || GP->throwpart > 0.99){
ERRX("Fraction of black pixels should be in [0., 0.99]");
}
InputType tp = chk_inp(GP->inputname);
if(tp == T_WRONG) ERRX("Enter correct image file or directory name");
check4running(self, GP->pidfile);
DBG("%s started, snippets library version is %s\n", self, sl_libversion());
free(self);
signal(SIGTERM, signals); // kill (-15) - quit
signal(SIGHUP, SIG_IGN); // hup - ignore
signal(SIGINT, signals); // ctrl+C - quit
signal(SIGQUIT, signals); // ctrl+\ - quit
signal(SIGTSTP, SIG_IGN); // ignore ctrl+Z
if(GP->logfile){
sl_loglevel lvl = LOGLEVEL_ERR; // default log level - errors
int v = GP->verb;
while(v--){ // increase loglevel for each "-v"
if(++lvl == LOGLEVEL_ANY) break;
}
OPENLOG(GP->logfile, lvl, 1);
DBG("Opened log file @ level %d", lvl);
}
LOGMSG("Start application...");
int p = process_input(tp, GP->inputname);
// never reached
signals(p); // clean everything
return p;
}
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