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00002 #include "vepl_threshold.h"
00003 #include <vcl_iostream.h>
00004 #include <vepl/accessors/vipl_accessors_vil_image_view_base.h>
00005 #include <vipl/vipl_threshold.h>
00006 #include <vil/vil_image_view.h>
00007 #include <vil/vil_pixel_format.h>
00008 #include <vil/vil_plane.h>
00009 #include <vil/vil_new.h>
00010 #include <vxl_config.h>
00011
00012 vil_image_resource_sptr vepl_threshold(vil_image_resource_sptr image, double threshold, double below, double above)
00013 {
00014 vil_image_resource_sptr img_out = vil_new_image_resource(image->ni(), image->nj(), image->nplanes(), image->pixel_format());
00015
00016
00017
00018 if (image->nplanes() > 1) {
00019 if (image->pixel_format() == VIL_PIXEL_FORMAT_BYTE) {
00020 vil_image_view<vxl_byte> out = image->get_copy_view();
00021 vil_image_view<vxl_byte> in = image->get_view();
00022 vipl_threshold<vil_image_view_base,vil_image_view_base,vxl_byte,vxl_byte>
00023 op((vxl_byte)threshold, (vxl_byte)below, (vxl_byte)above);
00024 for (unsigned int p=0; p<image->nplanes(); ++p) {
00025 vil_image_view<vxl_byte> i = vil_plane(in,p), o = vil_plane(out,p);
00026 op.put_in_data_ptr(&i); op.put_out_data_ptr(&o); op.filter();
00027 }
00028 img_out->put_view(out);
00029 }
00030 else
00031 vcl_cerr << __FILE__ ": vepl_dilate_disk() not implemented for multi-planar " << image << '\n';
00032 }
00033
00034
00035 else if (image->pixel_format() == VIL_PIXEL_FORMAT_BYTE) {
00036 vil_image_view<vxl_byte> in = image->get_view();
00037 vil_image_view<vxl_byte> out = image->get_copy_view();
00038 vipl_threshold<vil_image_view_base,vil_image_view_base,vxl_byte,vxl_byte>
00039 op((vxl_byte)threshold, (vxl_byte)below, (vxl_byte)above);
00040 op.put_in_data_ptr(&in);
00041 op.put_out_data_ptr(&out);
00042 op.filter();
00043 img_out->put_view(out);
00044 }
00045
00046
00047 else if (image->pixel_format() == VIL_PIXEL_FORMAT_RGB_BYTE) {
00048 vil_image_view<vxl_byte> in = image->get_view();
00049 vil_image_view<vxl_byte> out = image->get_copy_view();
00050 vipl_threshold<vil_image_view_base,vil_image_view_base,vxl_byte,vxl_byte>
00051 op((vxl_byte)threshold, (vxl_byte)below, (vxl_byte)above);
00052 op.put_in_data_ptr(&in);
00053 op.put_out_data_ptr(&out);
00054 op.filter();
00055 img_out->put_view(out);
00056 }
00057
00058
00059 else if (image->pixel_format() == VIL_PIXEL_FORMAT_UINT_16) {
00060 vil_image_view<vxl_uint_16> in = image->get_view();
00061 vil_image_view<vxl_uint_16> out = image->get_copy_view();
00062 vipl_threshold<vil_image_view_base,vil_image_view_base,vxl_uint_16,vxl_uint_16>
00063 op((vxl_uint_16)threshold, (vxl_uint_16)below, (vxl_uint_16)above);
00064 op.put_in_data_ptr(&in);
00065 op.put_out_data_ptr(&out);
00066 op.filter();
00067 img_out->put_view(out);
00068 }
00069
00070
00071 else if (image->pixel_format() == VIL_PIXEL_FORMAT_FLOAT) {
00072 vil_image_view<float> in = image->get_view();
00073 vil_image_view<float> out = image->get_copy_view();
00074 vipl_threshold<vil_image_view_base,vil_image_view_base,float,float>
00075 op((float)threshold, (float)below, (float)above);
00076 op.put_in_data_ptr(&in);
00077 op.put_out_data_ptr(&out);
00078 op.filter();
00079 img_out->put_view(out);
00080 }
00081
00082
00083 else if (image->pixel_format() == VIL_PIXEL_FORMAT_DOUBLE) {
00084 vil_image_view<double> in = image->get_view();
00085 vil_image_view<double> out = image->get_copy_view();
00086 vipl_threshold<vil_image_view_base,vil_image_view_base,double,double>
00087 op(threshold, below, above);
00088 op.put_in_data_ptr(&in);
00089 op.put_out_data_ptr(&out);
00090 op.filter();
00091 img_out->put_view(out);
00092 }
00093
00094
00095 else
00096 vcl_cerr << __FILE__ ": vepl_threshold() not implemented for " << image << '\n';
00097
00098 return img_out;
00099 }
00100