#include <processor.h>
Inheritance diagram for EMAN::CCDNormProcessor:


Public Member Functions | |
| virtual void | process_inplace (EMData *image) |
| To process an image in-place. | |
| virtual string | get_name () const |
| Get the processor's name. | |
| virtual string | get_desc () const |
| Get the descrition of this specific processor. | |
| virtual TypeDict | get_param_types () const |
| Get processor parameter information in a dictionary. | |
Static Public Member Functions | |
| Processor * | NEW () |
Static Public Attributes | |
| const string | NAME = "filter.ccdnorm" |
| width | number of pixels on either side of the seam to sample |
Definition at line 6527 of file processor.h.
|
|
Get the descrition of this specific processor. This function must be overwritten by a subclass.
Implements EMAN::Processor. Definition at line 6542 of file processor.h. 06543 {
06544 return "normalize the 4 quadrants of a CCD image";
06545 }
|
|
|
Get the processor's name. Each processor is identified by a unique name.
Implements EMAN::Processor. Definition at line 6532 of file processor.h. 06533 {
06534 return NAME;
06535 }
|
|
|
Get processor parameter information in a dictionary. Each parameter has one record in the dictionary. Each record contains its name, data-type, and description.
Reimplemented from EMAN::Processor. Definition at line 6547 of file processor.h. References EMAN::TypeDict::put(). 06548 {
06549 TypeDict d;
06550 d.put("width", EMObject::INT, "number of pixels on either side of the seam to sample");
06551 return d;
06552 }
|
|
|
Definition at line 6537 of file processor.h. 06538 {
06539 return new CCDNormProcessor();
06540 }
|
|
|
To process an image in-place. For those processors which can only be processed out-of-place, override this function to just print out some error message to remind user call the out-of-place version.
Implements EMAN::Processor. Definition at line 7898 of file processor.cpp. References EMAN::Log::error(), EMAN::EMData::get_col(), EMAN::EMData::get_data(), EMAN::EMData::get_row(), EMAN::EMData::get_value_at(), EMAN::EMData::get_xsize(), EMAN::EMData::get_ysize(), EMAN::EMData::get_zsize(), EMAN::Log::logger(), EMAN::Log::set_level(), EMAN::EMData::set_value_at_fast(), x, and y. 07899 {
07900 if (!image) {
07901 Log::logger()->set_level(Log::ERROR_LOG);
07902 Log::logger()->error("Null image during call to CCDNorm\n");
07903 return;
07904 }
07905 if (image->get_zsize() > 1) {
07906 Log::logger()->set_level(Log::ERROR_LOG);
07907 Log::logger()->error("CCDNorm does not support 3d images\n");
07908 return;
07909 }
07910
07911 int xs = image->get_xsize();
07912 int ys = image->get_ysize();
07913
07914 // width of sample area on either side of the seams
07915 int width = params["width"];
07916
07917 width%=(xs > ys ? xs/2 : ys/2); // make sure width is a valid value
07918 if (width==0) {
07919 width=1;
07920 }
07921
07922 // get the 4 "seams" of the image
07923 float *left, *right, *top, *bottom;
07924
07925 double *temp;
07926 temp= (double*)malloc((xs > ys ? xs*width : ys*width)*sizeof(double));
07927 if (temp==NULL) {
07928 Log::logger()->set_level(Log::ERROR_LOG);
07929 Log::logger()->error("Could not allocate enough memory during call to CCDNorm\n");
07930 return;
07931 }
07932
07933 int x, y, z;
07934
07935 // the mean values of each seam and the average
07936 double mL,mR,mT,mB;
07937
07938 // how much to shift each seam
07939 double nl,nr,nt,nb;
07940
07941 // quad. shifting amount
07942 double q1,q2,q3,q4;
07943
07944 // calc. the mean for each quadrant
07945 for (z=0; z<width; z++) {
07946 left = image->get_col(xs/2 -1-z)->get_data();
07947 for (y=0; y<ys; y++)
07948 temp[z*ys+y]=left[y];
07949 }
07950 mL=gsl_stats_mean(temp,1,ys*width);
07951
07952 for (z=0; z<width; z++) {
07953 right = image->get_col(xs/2 +z)->get_data();
07954 for (y=0; y<ys; y++)
07955 temp[z*ys+y]=right[y];
07956 }
07957 mR=gsl_stats_mean(temp,1,ys*width);
07958
07959 for (z=0; z<width; z++) {
07960 top = image->get_row(ys/2 -1-z)->get_data();
07961 for (x=0; x<xs; x++)
07962 temp[z*xs+x]=top[x];
07963 }
07964 mT=gsl_stats_mean(temp,1,xs*width);
07965
07966 for (z=0; z<width; z++) {
07967 bottom = image->get_row(ys/2 +z)->get_data();
07968 for (x=0; x<xs; x++)
07969 temp[z*xs+x]=bottom[x];
07970 }
07971 mB=gsl_stats_mean(temp,1,xs*width);
07972
07973 free(temp);
07974
07975 nl=(mL+mR)/2-mL;
07976 nr=(mL+mR)/2-mR;
07977 nt=(mT+mB)/2-mT;
07978 nb=(mT+mB)/2-mB;
07979
07980 q1=nl+nt;
07981 q2=nr+nt;
07982 q3=nr+nb;
07983 q4=nl+nb;
07984
07985 // change the pixel values
07986 for (x = 0; x < xs / 2; x++)
07987 for (y = 0; y < ys / 2; y++) {
07988 image->set_value_at_fast(x, y, image->get_value_at(x, y) + static_cast<float>(q1));
07989 }
07990 for (x = xs / 2; x < xs; x++)
07991 for (y = 0; y < ys / 2; y++) {
07992 image->set_value_at_fast(x, y, image->get_value_at(x, y) + static_cast<float>(q2));
07993 }
07994 for (x = xs / 2; x < xs; x++)
07995 for (y = ys / 2; y < ys; y++) {
07996 image->set_value_at_fast(x, y, image->get_value_at(x, y) + static_cast<float>(q3));
07997 }
07998 for (x = 0; x < xs / 2; x++)
07999 for (y = ys / 2; y < ys; y++) {
08000 image->set_value_at_fast(x, y, image->get_value_at(x, y) + static_cast<float>(q4));
08001 }
08002
08003 }
|
|
|
Definition at line 210 of file processor.cpp. |
1.3.9.1