env_mt_channel.h File Reference

#include "Envision/env_channel.h"
#include "Envision/env_motion_channel.h"
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Functions

void env_mt_chan_orientation (const char *tagName, const struct env_params *envp, const struct env_math *imath, const struct env_image *img, env_chan_status_func *status_func, void *status_userdata, struct env_image *result)
 A composite channel with a set of steerable-filter subchannels.
void env_mt_motion_channel_input_and_consume_pyr (struct env_motion_channel *chan, const char *tagName, const struct env_params *envp, const struct env_math *imath, const struct env_dims inputdims, struct env_pyr *lowpass5, env_chan_status_func *status_func, void *status_userdata, struct env_image *result)
 env_motion_channel only requires luminosity input

Detailed Description

Definition in file env_mt_channel.h.


Function Documentation

void env_mt_chan_orientation ( const char *  tagName,
const struct env_params envp,
const struct env_math imath,
const struct env_image img,
env_chan_status_func *  status_func,
void *  status_userdata,
struct env_image result 
)

A composite channel with a set of steerable-filter subchannels.

Definition at line 77 of file env_mt_channel.c.

References env_allocate(), env_c_image_div_scalar(), env_c_image_div_scalar_accum(), env_deallocate(), env_img_initialized(), env_img_size(), env_pyr_init(), and env_params::num_orientations.

void env_mt_motion_channel_input_and_consume_pyr ( struct env_motion_channel chan,
const char *  tagName,
const struct env_params envp,
const struct env_math imath,
const struct env_dims  inputdims,
struct env_pyr lowpass5,
env_chan_status_func *  status_func,
void *  status_userdata,
struct env_image result 
)

env_motion_channel only requires luminosity input

for efficiency, the motion channel takes ownership of the lowpass5 pyramid (rather than needing to make a copy of it), so that after this function the lowpass5 argument will point to an empty pyramid

Definition at line 249 of file env_mt_channel.c.

References env_allocate(), env_c_image_div_scalar(), env_c_image_div_scalar_accum(), env_deallocate(), env_img_initialized(), env_img_size(), and env_pyr_swap().

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