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vp9 denoiser: Add another noise level to denoising.

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Change-Id: Idc755ab54e4f78bb7d75bc97634c451804edad99
This commit is contained in:
Marco 2015-11-11 10:09:40 -08:00
parent 79a194692f
commit ff32369804
4 changed files with 8 additions and 3 deletions
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5
vp9/encoder/vp9_denoiser.c
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@ -323,7 +323,7 @@ void vp9_denoiser_denoise(VP9_DENOISER *denoiser, MACROBLOCK *mb,
struct buf_2d src = mb->plane[0].src;
int is_skin = 0;
if (bs <= BLOCK_16X16 && denoiser->denoising_level >= kDenMedium) {
if (bs <= BLOCK_16X16 && denoiser->denoising_level >= kDenLow) {
// Take center pixel in block to determine is_skin.
const int y_width_shift = (4 << b_width_log2_lookup[bs]) >> 1;
const int y_height_shift = (4 << b_height_log2_lookup[bs]) >> 1;
@ -349,7 +349,7 @@ void vp9_denoiser_denoise(VP9_DENOISER *denoiser, MACROBLOCK *mb,
denoiser->increase_denoising = 0;
}
if (denoiser->denoising_level >= kDenMedium)
if (denoiser->denoising_level >= kDenLow)
decision = perform_motion_compensation(denoiser, mb, bs,
denoiser->increase_denoising,
mi_row, mi_col, ctx,
@ -524,6 +524,7 @@ int vp9_denoiser_alloc(VP9_DENOISER *denoiser, int width, int height,
#endif
denoiser->increase_denoising = 0;
denoiser->frame_buffer_initialized = 1;
denoiser->denoising_level = kDenLow;
return 0;
}

1
vp9/encoder/vp9_denoiser.h
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@ -27,6 +27,7 @@ typedef enum vp9_denoiser_decision {
} VP9_DENOISER_DECISION;
typedef enum vp9_denoiser_level {
kDenLowLow,
kDenLow,
kDenMedium,
kDenHigh

4
vp9/encoder/vp9_noise_estimate.c
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@ -212,8 +212,10 @@ void vp9_update_noise_estimate(VP9_COMP *const cpi) {
else
if (ne->value > ne->thresh)
ne->level = kMedium;
else
else if (ne->value > (ne->thresh >> 1))
ne->level = kLow;
else
ne->level = kLowLow;
}
}
}

1
vp9/encoder/vp9_noise_estimate.h
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@ -24,6 +24,7 @@ extern "C" {
#endif
typedef enum noise_level {
kLowLow,
kLow,
kMedium,
kHigh