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| author | Marco Paniconi <marpan@google.com> | 2016-04-04 17:33:34 +0000 |
|---|---|---|
| committer | Gerrit Code Review <noreply-gerritcodereview@google.com> | 2016-04-04 17:33:35 +0000 |
| commit | 71cf9fac836c8be197f33be12250a432a2613b48 (patch) | |
| tree | 4fd6448c3bd5a31bf2d2cd9946dff5617f412b30 /vp9/encoder | |
| parent | a2307ff095bdb365c16c9c6ef4e2c825947b17e4 (diff) | |
| parent | 9ff73fe0926b8256306df76f528f23eb1d73b57b (diff) | |
| download | libvpx-71cf9fac836c8be197f33be12250a432a2613b48.tar libvpx-71cf9fac836c8be197f33be12250a432a2613b48.tar.gz libvpx-71cf9fac836c8be197f33be12250a432a2613b48.tar.bz2 libvpx-71cf9fac836c8be197f33be12250a432a2613b48.zip | |
Merge "vp9-noise estimation: Increase threshold for Low-level."
Diffstat (limited to 'vp9/encoder')
| -rw-r--r-- | vp9/encoder/vp9_denoiser.c | 6 | ||||
| -rw-r--r-- | vp9/encoder/vp9_noise_estimate.c | 2 |
2 files changed, 7 insertions, 1 deletions
diff --git a/vp9/encoder/vp9_denoiser.c b/vp9/encoder/vp9_denoiser.c index 73f68bde7..f40d8ab8f 100644 --- a/vp9/encoder/vp9_denoiser.c +++ b/vp9/encoder/vp9_denoiser.c @@ -212,6 +212,12 @@ static VP9_DENOISER_DECISION perform_motion_compensation(VP9_DENOISER *denoiser, if (is_skin && (motion_magnitude > 0 || consec_zeromv < 4)) return COPY_BLOCK; + // Avoid denoising for small block (unless motion is small). + // Small blocks are selected in variance partition (before encoding) and + // will typically lie on moving areas. + if (motion_magnitude > 16 && bs <= BLOCK_8X8) + return COPY_BLOCK; + // If the best reference frame uses inter-prediction and there is enough of a // difference in sum-squared-error, use it. if (frame != INTRA_FRAME && diff --git a/vp9/encoder/vp9_noise_estimate.c b/vp9/encoder/vp9_noise_estimate.c index d505629a5..abe676803 100644 --- a/vp9/encoder/vp9_noise_estimate.c +++ b/vp9/encoder/vp9_noise_estimate.c @@ -91,7 +91,7 @@ NOISE_LEVEL vp9_noise_estimate_extract_level(NOISE_ESTIMATE *const ne) { } else { if (ne->value > ne->thresh) noise_level = kMedium; - else if (ne->value > (ne->thresh >> 1)) + else if (ne->value > ((5 * ne->thresh) >> 3)) noise_level = kLow; else noise_level = kLowLow; |