vimt_gaussian_pyramid_builder_2d_general< T > Class Template Reference

#include <vimt_gaussian_pyramid_builder_2d_general.h>

Inheritance diagram for vimt_gaussian_pyramid_builder_2d_general< T >:

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List of all members.


Detailed Description

template<class T>
class vimt_gaussian_pyramid_builder_2d_general< T >

Build pyramids of vimt_image_2d_of<vxl_byte> at any scale step.

Definition at line 17 of file vimt_gaussian_pyramid_builder_2d_general.h.


Public Member Functions

virtual void build (vimt_image_pyramid &im_pyr, const vimt_image &im) const
 Build pyramid.
 vimt_gaussian_pyramid_builder_2d_general ()
 Dflt ctor.
 vimt_gaussian_pyramid_builder_2d_general (double scale_step)
 Construct with given scale_step.
 ~vimt_gaussian_pyramid_builder_2d_general ()
 Destructor.
double scale_step () const
 get the current scale step;.
void set_scale_step (double scale_step)
 Set the Scale step.
void extend (vimt_image_pyramid &image_pyr) const
 Extend pyramid.
vimt_image_pyramid_builderclone () const
 Create a copy on the heap and return base class pointer.
short version_no () const
 Version number for I/O.
virtual vcl_string is_a () const
 Name of the class.
virtual bool is_class (vcl_string const &s) const
 Does the name of the class match the argument?.
void print_summary (vcl_ostream &) const
 Print class to os.
void b_write (vsl_b_ostream &bfs) const
 Save class to binary file stream.
void b_read (vsl_b_istream &bfs)
 Load class from binary file stream.
unsigned filter_width () const
 Current filter width.
void set_filter_width (unsigned)
 Set current filter width (must be 3 or 5 at present).
virtual vimt_image_pyramidnew_image_pyramid () const
 Create new (empty) pyramid on heap.
virtual void set_max_levels (int max_l)
 Define maximum number of levels to build.
virtual int max_levels () const
 Get the current maximum number levels allowed.
void gauss_reduce (const vimt_image_2d_of< T > &src_im, vimt_image_2d_of< T > &dest_im) const
 Smooth and subsample src_im to produce dest_im.
unsigned min_y_size () const
 Get the minimum Y size of the top layer of the pyramid.
unsigned min_x_size () const
 Get the minimum X size of the top layer of the pyramid.
virtual void set_min_size (unsigned X, unsigned Y)
 Set the minimum size of the top layer of the pyramid.

Protected Member Functions

void check_pyr (vimt_image_pyramid &im_pyr, int n_levels) const
 Checks pyramid has at least n levels of correct type.
void empty_pyr (vimt_image_pyramid &im_pyr) const
 Deletes all data in im_pyr.

Private Attributes

vil_image_view< T > worka_
 image workspace.
vil_image_view< T > workb_
 image workspace.
vil_gauss_reduce_params scale_params_
 Pre-calculated scale parameters and filter taps.

Constructor & Destructor Documentation

Dflt ctor.

Definition at line 23 of file vimt_gaussian_pyramid_builder_2d_general.txx.

template<class T>
vimt_gaussian_pyramid_builder_2d_general< T >::vimt_gaussian_pyramid_builder_2d_general ( double  scale_step  )  [inline]

Construct with given scale_step.

Definition at line 29 of file vimt_gaussian_pyramid_builder_2d_general.txx.

Destructor.

Definition at line 36 of file vimt_gaussian_pyramid_builder_2d_general.txx.


Member Function Documentation

template<class T>
void vimt_gaussian_pyramid_builder_2d_general< T >::build ( vimt_image_pyramid im_pyr,
const vimt_image im 
) const [inline, virtual]

Build pyramid.

Reimplemented from vimt_gaussian_pyramid_builder_2d< T >.

Definition at line 49 of file vimt_gaussian_pyramid_builder_2d_general.txx.

template<class T>
double vimt_gaussian_pyramid_builder_2d_general< T >::scale_step (  )  const [inline, virtual]

get the current scale step;.

Reimplemented from vimt_gaussian_pyramid_builder_2d< T >.

Definition at line 42 of file vimt_gaussian_pyramid_builder_2d_general.h.

template<class T>
void vimt_gaussian_pyramid_builder_2d_general< T >::set_scale_step ( double  scale_step  )  [inline]

Set the Scale step.

Definition at line 41 of file vimt_gaussian_pyramid_builder_2d_general.txx.

template<class T>
void vimt_gaussian_pyramid_builder_2d_general< T >::extend ( vimt_image_pyramid image_pyr  )  const [inline, virtual]

Extend pyramid.

The first layer of the pyramid must already be set.

Reimplemented from vimt_gaussian_pyramid_builder_2d< T >.

Definition at line 122 of file vimt_gaussian_pyramid_builder_2d_general.txx.

template<class T>
vimt_image_pyramid_builder * vimt_gaussian_pyramid_builder_2d_general< T >::clone (  )  const [inline, virtual]

Create a copy on the heap and return base class pointer.

Reimplemented from vimt_gaussian_pyramid_builder_2d< T >.

Definition at line 202 of file vimt_gaussian_pyramid_builder_2d_general.txx.

template<class T>
short vimt_gaussian_pyramid_builder_2d_general< T >::version_no (  )  const [inline]

Version number for I/O.

Reimplemented from vimt_gaussian_pyramid_builder_2d< T >.

Definition at line 194 of file vimt_gaussian_pyramid_builder_2d_general.txx.

template<class T>
virtual vcl_string vimt_gaussian_pyramid_builder_2d_general< T >::is_a (  )  const [virtual]

Name of the class.

Reimplemented from vimt_gaussian_pyramid_builder_2d< T >.

template<class T>
bool vimt_gaussian_pyramid_builder_2d_general< T >::is_class ( vcl_string const &  s  )  const [inline, virtual]

Does the name of the class match the argument?.

Reimplemented from vimt_gaussian_pyramid_builder_2d< T >.

Definition at line 185 of file vimt_gaussian_pyramid_builder_2d_general.txx.

template<class T>
void vimt_gaussian_pyramid_builder_2d_general< T >::print_summary ( vcl_ostream &  os  )  const [inline, virtual]

Print class to os.

Reimplemented from vimt_gaussian_pyramid_builder_2d< T >.

Definition at line 210 of file vimt_gaussian_pyramid_builder_2d_general.txx.

template<class T>
void vimt_gaussian_pyramid_builder_2d_general< T >::b_write ( vsl_b_ostream bfs  )  const [inline, virtual]

Save class to binary file stream.

Reimplemented from vimt_gaussian_pyramid_builder_2d< T >.

Definition at line 218 of file vimt_gaussian_pyramid_builder_2d_general.txx.

template<class T>
void vimt_gaussian_pyramid_builder_2d_general< T >::b_read ( vsl_b_istream bfs  )  [inline, virtual]

Load class from binary file stream.

Reimplemented from vimt_gaussian_pyramid_builder_2d< T >.

Definition at line 228 of file vimt_gaussian_pyramid_builder_2d_general.txx.

template<class T>
void vimt_gaussian_pyramid_builder_2d< T >::check_pyr ( vimt_image_pyramid im_pyr,
int  n_levels 
) const [inline, protected, inherited]

Checks pyramid has at least n levels of correct type.

Checks pyramid has at least n levels.

Definition at line 124 of file vimt_gaussian_pyramid_builder_2d.txx.

template<class T>
void vimt_gaussian_pyramid_builder_2d< T >::empty_pyr ( vimt_image_pyramid im_pyr  )  const [inline, protected, inherited]

Deletes all data in im_pyr.

Definition at line 115 of file vimt_gaussian_pyramid_builder_2d.txx.

template<class T>
unsigned vimt_gaussian_pyramid_builder_2d< T >::filter_width (  )  const [inline, inherited]

Current filter width.

Definition at line 49 of file vimt_gaussian_pyramid_builder_2d.h.

template<class T>
void vimt_gaussian_pyramid_builder_2d< T >::set_filter_width ( unsigned  w  )  [inline, inherited]

Set current filter width (must be 3 or 5 at present).

Definition at line 80 of file vimt_gaussian_pyramid_builder_2d.txx.

template<class T>
vimt_image_pyramid * vimt_gaussian_pyramid_builder_2d< T >::new_image_pyramid (  )  const [inline, virtual, inherited]

Create new (empty) pyramid on heap.

Caller responsible for its deletion

Implements vimt_image_pyramid_builder.

Definition at line 65 of file vimt_gaussian_pyramid_builder_2d.txx.

template<class T>
void vimt_gaussian_pyramid_builder_2d< T >::set_max_levels ( int  max_l  )  [inline, virtual, inherited]

Define maximum number of levels to build.

Limits levels built in subsequent calls to build() Useful efficiency measure. As build() only takes a shallow copy of the original image, using max_l=1 avoids any copying or smoothing.

Limits levels built in subsequent calls to build()

Implements vimt_image_pyramid_builder.

Definition at line 43 of file vimt_gaussian_pyramid_builder_2d.txx.

template<class T>
int vimt_gaussian_pyramid_builder_2d< T >::max_levels (  )  const [inline, virtual, inherited]

Get the current maximum number levels allowed.

Implements vimt_image_pyramid_builder.

Definition at line 56 of file vimt_gaussian_pyramid_builder_2d.txx.

template<class T>
void vimt_gaussian_pyramid_builder_2d< T >::gauss_reduce ( const vimt_image_2d_of< T > &  src_im,
vimt_image_2d_of< T > &  dest_im 
) const [inline, inherited]

Smooth and subsample src_im to produce dest_im.

Applies filter in x and y, then samples every other pixel. Filter width defined by set_filter_width()

Applies filter in x and y, then samples every other pixel.

Definition at line 89 of file vimt_gaussian_pyramid_builder_2d.txx.

template<class T>
unsigned vimt_gaussian_pyramid_builder_2d< T >::min_y_size (  )  const [inline, inherited]

Get the minimum Y size of the top layer of the pyramid.

Defaults to 5.

Definition at line 87 of file vimt_gaussian_pyramid_builder_2d.h.

template<class T>
unsigned vimt_gaussian_pyramid_builder_2d< T >::min_x_size (  )  const [inline, inherited]

Get the minimum X size of the top layer of the pyramid.

Defaults to 5.

Definition at line 91 of file vimt_gaussian_pyramid_builder_2d.h.

template<class T>
virtual void vimt_gaussian_pyramid_builder_2d< T >::set_min_size ( unsigned  X,
unsigned  Y 
) [inline, virtual, inherited]

Set the minimum size of the top layer of the pyramid.

Definition at line 94 of file vimt_gaussian_pyramid_builder_2d.h.


Member Data Documentation

template<class T>
vil_image_view<T> vimt_gaussian_pyramid_builder_2d_general< T >::worka_ [mutable, private]

image workspace.

Definition at line 21 of file vimt_gaussian_pyramid_builder_2d_general.h.

template<class T>
vil_image_view<T> vimt_gaussian_pyramid_builder_2d_general< T >::workb_ [mutable, private]

image workspace.

Definition at line 23 of file vimt_gaussian_pyramid_builder_2d_general.h.

Pre-calculated scale parameters and filter taps.

Definition at line 26 of file vimt_gaussian_pyramid_builder_2d_general.h.


The documentation for this class was generated from the following files:

Generated on Sun Nov 22 06:24:36 2009 for contrib/mul/vimt by  doxygen 1.5.5