tframe Struct Reference
[Sparse point track structures]
A frame in the tracks structure.
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#include <tracks.h>
Classes | |
| struct | factory_t |
| a frame factory, useful for deriving the class tframe. More... | |
Public Member Functions | |
| tframe (int w, int h, int bits) | |
| Construct a new frame. | |
| virtual void | append_to (tracks &track) |
| insert the frame into a "tracks" structure. | |
| virtual | ~tframe () |
| overload this function to hanlde forgotten frames | |
| bool | has_point_in (float u, float v, float r) |
| returns true if at least one point lies in the circle centered at (u,v) with radius r. | |
Public Attributes | |
| bucket2d< tkeypoint > | points |
| Collection of tkeypoints. | |
| mlist_elem< tframe > | frames |
| Pointers to next and previous frame. | |
Detailed Description
A frame in the tracks structure.A frame has a collection of tkeypoints. It also has pointers to previous and next frames. Other data must be stored in derived classes.
Definition at line 108 of file tracks.h.
Constructor & Destructor Documentation
| tframe::tframe | ( | int | w, | |
| int | h, | |||
| int | bits | |||
| ) | [inline] |
| virtual tframe::~tframe | ( | ) | [inline, virtual] |
Member Function Documentation
| void tframe::append_to | ( | tracks & | track | ) | [virtual] |
insert the frame into a "tracks" structure.
Reimplemented in pyr_frame.
Definition at line 75 of file tracks.cpp.
References tracks::frames, frames, MLIST_INSERT, mlist_elem< T >::next, and mlist_elem< T >::prev.
| bool tframe::has_point_in | ( | float | u, | |
| float | v, | |||
| float | r | |||
| ) |
returns true if at least one point lies in the circle centered at (u,v) with radius r.
Definition at line 230 of file tracks.cpp.
References points, and bucket2d< T >::search().
Referenced by kpt_tracker::detect_keypoints().
Member Data Documentation
Pointers to next and previous frame.
Definition at line 115 of file tracks.h.
Referenced by append_to(), tracks::frame_iterator::operator++(), tracks::frame_iterator::operator--(), and update_query_with_frame().
Collection of tkeypoints.
the bucked2d<> structure allows fast localized random access.
- Examples:
- simpletrack.cpp.
Definition at line 112 of file tracks.h.
Referenced by visual_object::add_frame(), vobj_frame::find_closest_match(), get_correspondences(), visual_object::get_correspondences_std(), pic_randomizer::group_ids(), has_point_in(), vobj_tracker::incremental_learning(), init_query_with_frame(), main(), query_frame(), tracks::remove_empty_frames(), tracks::remove_frame(), tracks::remove_unmatched_tracks(), vobj_tracker::remove_visible_objects_from_db(), pic_randomizer::save_keypoints(), VSView::segment_scene(), tkeypoint::set(), kpt_tracker::track_ncclk(), kpt_tracker::traverse_tree(), tkeypoint::unlink(), and update_query_with_frame().
The documentation for this struct was generated from the following files:
- polyora/tracks.h
- polyora/tracks.cpp
