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65 lines
2.0 KiB
C
65 lines
2.0 KiB
C
/*
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* This file is part of the loccorr project.
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* Copyright 2021 Edward V. Emelianov <edward.emelianoff@gmail.com>.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#ifndef BINMORPH_H__
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#define BINMORPH_H__
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#include <stdbool.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include "fits.h"
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// minimal image size for morph operations
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#define MINWIDTH (9)
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#define MINHEIGHT (3)
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// simple box with given borders
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typedef struct{
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uint16_t xmin;
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uint16_t xmax;
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uint16_t ymin;
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uint16_t ymax;
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uint32_t area; // total amount of object pixels inside the box
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} il_Box;
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typedef struct{
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size_t Nobj;
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il_Box *boxes;
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} il_ConnComps;
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// morphological operations:
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uint8_t *il_dilation(uint8_t *image, int W, int H);
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uint8_t *il_dilationN(uint8_t *image, int W, int H, int N);
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uint8_t *il_erosion(uint8_t *image, int W, int H);
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uint8_t *il_erosionN(uint8_t *image, int W, int H, int N);
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uint8_t *il_openingN(uint8_t *image, int W, int H, int N);
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uint8_t *il_closingN(uint8_t *image, int W, int H, int N);
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uint8_t *il_topHat(uint8_t *image, int W, int H, int N);
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uint8_t *il_botHat(uint8_t *image, int W, int H, int N);
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// clear non 4-connected pixels
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uint8_t *il_filter4(uint8_t *image, int W, int H);
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// clear single pixels
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uint8_t *il_filter8(uint8_t *image, int W, int H);
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size_t *il_cclabel4(uint8_t *Img, int W, int H, il_ConnComps **CC);
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#endif // BINMORPH_H__
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