Capsim Block Documentation
This star inputs an image and performes an histogram equalization on it.
Port | Type | Name | |
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0 | image_t | x |
Port | Type | Name | |
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0 | image_t | y |
Num | Description | Type | Name | Default Value | |
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0 | Levels (Power of two) | int | levels | 256 |
Num | Type | Name | Initial Value | Description |
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0 | float** | mat_PP | ||
1 | float** | matTrans_PP | ||
2 | int | pwidth | ||
3 | int | pheight | ||
4 | image_t | img |
int no_samples; int i,j,k; float norm; dsp_floatMatrix_t matrix; |
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SET_CELL_SIZE_IN(0,sizeof(image_t)); SET_CELL_SIZE_OUT(0,sizeof(image_t)); |
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/* * collect the image */ for (no_samples = MIN_AVAIL(); no_samples > 0; --no_samples) { /* * input amn image */ IT_IN(0); img=x(0); matrix.height=img.height; matrix.width=img.width; matrix.matrix_PP=img.image_PP; if(Dsp_MatrixHistogramEq(&matrix,levels)) { fprintf(stderr,"Problem in imghisteq\n"); return(1); } /* * Send image out */ img.width=matrix.width; img.height=matrix.height; img.image_PP=matrix.matrix_PP; if(IT_OUT(0)) { KrnOverflow("imghisteq",0); return(99); } y(0) = img; } return(0); |
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/* Capsim (r) Text Mode Kernel (TMK) Star Library (Blocks) Copyright (C) 1989-2017 Silicon DSP Corporation This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA http://www.silicondsp.com Silicon DSP Corporation Las Vegas, Nevada */ |
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/* imghisteq.s */ /*********************************************************************** imghisteq() ************************************************************************ This star inputs an image and performes an histogram equalization on it. The original image is overwritten. Programmer: Sasan Ardalan Date: September 10, 1993 |
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