JeVoisBase
1.21
JeVois Smart Embedded Machine Vision Toolkit Base Modules
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#include <jevoisbase/Components/Saliency/env_c_math_ops.h>
#include <jevoisbase/Components/Saliency/env_log.h>
#include <jevoisbase/Components/Saliency/env_types.h>
Go to the source code of this file.
Functions | |
void | env_c_lowpass_5_x_dec_x_fewbits_optim (const intg32 *src, const env_size_t w, const env_size_t h, intg32 *dst, const env_size_t w2) |
void | env_c_lowpass_5_y_dec_y_fewbits_optim (const intg32 *src, const env_size_t w, const env_size_t h, intg32 *dst, const env_size_t h2) |
void | env_c_lowpass_9_x_fewbits_optim (const intg32 *src, const env_size_t w, const env_size_t h, intg32 *dst) |
Like env_c_lowpass_9_x_fewbits() but uses optimized filter coefficients. | |
void | env_c_lowpass_9_y_fewbits_optim (const intg32 *src, const env_size_t w, const env_size_t h, intg32 *dst) |
Like env_c_lowpass_9_y_fewbits() but uses optimized filter coefficients. | |
void | env_c_get_min_max (const intg32 *src, const env_size_t sz, intg32 *xmini, intg32 *xmaxi) |
Get min and max values. | |
void | env_c_inplace_rectify (intg32 *dst, const env_size_t sz) |
Saturate values < 0. | |
void | env_c_inplace_normalize (intg32 *const dst, const env_size_t sz, const intg32 nmin, const intg32 nmax, intg32 *const actualmin_p, intg32 *const actualmax_p, const intg32 rangeThresh) |
void | env_c_luminance_from_byte (const struct env_rgb_pixel *const src, const env_size_t sz, const env_size_t nbits, intg32 *const dst) |
get the luminance with nbits of precision of the input image | |
void | env_c_image_div_scalar (const intg32 *const a, const env_size_t sz, intg32 val, intg32 *const dst) |
result = a / val | |
void | env_c_image_div_scalar_accum (const intg32 *const a, const env_size_t sz, intg32 val, intg32 *const dst) |
result += a / val | |
void | env_c_image_minus_image (const intg32 *const a, const intg32 *const b, const env_size_t sz, intg32 *const dst) |
result = a - b | |
Fixed-point integer math versions of some of our floating-point image functions
Definition in file env_c_math_ops.c.
void env_c_get_min_max | ( | const intg32 * | src, |
const env_size_t | sz, | ||
intg32 * | xmini, | ||
intg32 * | xmaxi | ||
) |
Get min and max values.
Definition at line 277 of file env_c_math_ops.c.
References ENV_ASSERT.
Referenced by env_c_inplace_normalize().
void env_c_image_div_scalar | ( | const intg32 *const | a, |
const env_size_t | sz, | ||
intg32 | val, | ||
intg32 *const | dst | ||
) |
result = a / val
Definition at line 390 of file env_c_math_ops.c.
Referenced by env_chan_orientation(), and env_motion_channel_input_and_consume_pyr().
void env_c_image_div_scalar_accum | ( | const intg32 *const | a, |
const env_size_t | sz, | ||
intg32 | val, | ||
intg32 *const | dst | ||
) |
result += a / val
Definition at line 396 of file env_c_math_ops.c.
Referenced by env_chan_orientation(), env_chan_process_pyr(), and env_motion_channel_input_and_consume_pyr().
void env_c_image_minus_image | ( | const intg32 *const | a, |
const intg32 *const | b, | ||
const env_size_t | sz, | ||
intg32 *const | dst | ||
) |
result = a - b
Definition at line 402 of file env_c_math_ops.c.
Referenced by env_pyr_build_hipass_9().
void env_c_inplace_normalize | ( | intg32 *const | dst, |
const env_size_t | sz, | ||
const intg32 | nmin, | ||
const intg32 | nmax, | ||
intg32 *const | actualmin_p, | ||
intg32 *const | actualmax_p, | ||
const intg32 | rangeThresh | ||
) |
Definition at line 295 of file env_c_math_ops.c.
References ENV_ASSERT, env_c_get_min_max(), and INTG32_MAX.
Referenced by env_max_normalize_none_inplace(), and env_max_normalize_std_inplace().
void env_c_inplace_rectify | ( | intg32 * | dst, |
const env_size_t | sz | ||
) |
Saturate values < 0.
Definition at line 289 of file env_c_math_ops.c.
Referenced by env_max_normalize_none_inplace(), and env_max_normalize_std_inplace().
void env_c_lowpass_5_x_dec_x_fewbits_optim | ( | const intg32 * | src, |
const env_size_t | w, | ||
const env_size_t | h, | ||
intg32 * | dst, | ||
const env_size_t | w2 | ||
) |
Definition at line 44 of file env_c_math_ops.c.
References ENV_ASSERT, and h.
Referenced by env_lowpass_5_x_dec_x().
void env_c_lowpass_5_y_dec_y_fewbits_optim | ( | const intg32 * | src, |
const env_size_t | w, | ||
const env_size_t | h, | ||
intg32 * | dst, | ||
const env_size_t | h2 | ||
) |
Definition at line 81 of file env_c_math_ops.c.
References ENV_ASSERT, and h.
Referenced by env_lowpass_5_y_dec_y().
void env_c_lowpass_9_x_fewbits_optim | ( | const intg32 * | src, |
const env_size_t | w, | ||
const env_size_t | h, | ||
intg32 * | dst | ||
) |
Like env_c_lowpass_9_x_fewbits() but uses optimized filter coefficients.
Definition at line 125 of file env_c_math_ops.c.
References ENV_ASSERT, and h.
Referenced by env_lowpass_9_x().
void env_c_lowpass_9_y_fewbits_optim | ( | const intg32 * | src, |
const env_size_t | w, | ||
const env_size_t | h, | ||
intg32 * | dst | ||
) |
Like env_c_lowpass_9_y_fewbits() but uses optimized filter coefficients.
Definition at line 190 of file env_c_math_ops.c.
References ENV_ASSERT, and h.
Referenced by env_lowpass_9_y().
void env_c_luminance_from_byte | ( | const struct env_rgb_pixel *const | src, |
const env_size_t | sz, | ||
const env_size_t | nbits, | ||
intg32 *const | dst | ||
) |
get the luminance with nbits of precision of the input image
Definition at line 375 of file env_c_math_ops.c.
Referenced by Saliency::process().