I would like to explain the supported modes in the guided filter,
(1) Basic mode shows better denoising performance compared to bilateral
filter and can be applied in many applications such as detail enhancement,
dehazing, and so on, which is illustrated in paper
http://kaiminghe.com/eccv10/.
(2)
From: Xuewei Meng
Check block algin
Signed-off-by: Xuewei Meng
---
libavfilter/vf_guided.c | 19 +--
1 file changed, 9 insertions(+), 10 deletions(-)
diff --git a/libavfilter/vf_guided.c b/libavfilter/vf_guided.c
index c030080..94318c0 100644
--- a/libavfilter/vf_guided.c
From: Xuewei Meng
Enhanced guided filter and fast enhanced guided filter are supported.
The enhanced guided filter can better preserve edges for denoising tasks.
And the box filter operation is optimized.
Signed-off-by: Xuewei Meng
---
doc/filters.texi| 14 +-
libavfilter/vf_guided.c
From: Xuewei Meng
Enhanced guided filter and fast enhanced guided filter are supported.
The enhanced guided filter can better preserve edges for denoising tasks.
And the box filter operation is optimized.
Signed-off-by: Xuewei Meng
---
doc/filters.texi| 6 +-
libavfilter/vf_guided.c
From: Xuewei Meng
Support single input for guided filter by adding guidance mode.
If the guidance mode is off, single input is required. And
edge-preserving smoothing is conducted. If the mode is on, two
inputs are needed. The second input serves as the guidance. For
this mode, more tasks
From: Xuewei Meng
Two modes are supported in guided filter, basic mode and fast mode.
Basic mode is the initial pushed guided filter without optimization.
Fast mode is implemented based on the basic one by sub-sampling method.
The sub-sampling ratio which can be defined by users controls
V3: Add examples on how to use this filter, and improve the code style.
V2: Implement the slice-level parallelism for guided filter.
V1: Add the basic version of guided filter.
Signed-off-by: Xuewei Meng
---
doc/filters.texi | 38 +
libavfilter/Makefile | 1 +
libavfilter
This version can be executed by thread in slice level.
To-Do-List:
1. Fast guided filter
2. Improve the derain/dehaze/denoise performance of guided filter
Signed-off-by: Xuewei Meng <928826...@qq.com>
---
doc/filters.texi | 21 +++
libavfilter/Makefile | 1 +
libav
Signed-off-by: Xuewei Meng
---
doc/filters.texi| 12
libavfilter/vf_derain.c | 5 +
2 files changed, 17 insertions(+)
diff --git a/doc/filters.texi b/doc/filters.texi
index 323c02970e..5d63b337f8 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -8449,6 +8449,18
.
Signed-off-by: Xuewei Meng
---
doc/filters.texi| 14 +-
libavfilter/vf_derain.c | 13 +
2 files changed, 22 insertions(+), 5 deletions(-)
diff --git a/doc/filters.texi b/doc/filters.texi
index 323c02970e..49fc030489 100644
--- a/doc/filters.texi
+++ b/doc
Add the usage of tensorflow model in derain filter. Training scripts
as well as scripts for tf/native model generation are provided in the
repository at https://github.com/XueweiMeng/derain_filter.git.
Signed-off-by: Xuewei Meng
---
doc/filters.texi | 16
1 file changed, 12
Add the usage of tensorflow model in derain filter. Training scripts
as well as scripts for tf/native model generation are provided in the
repository at https://github.com/XueweiMeng/derain_filter.git.
Signed-off-by: Xuewei Meng
---
doc/filters.texi | 16
1 file changed, 12
Add the usage of tensorflow model in derain filter. Training scripts
as well as scripts for tf/native model generation are provided in the
repository at https://github.com/XueweiMeng/derain_filter.git.
Signed-off-by: Xuewei Meng
---
doc/filters.texi | 18 +++---
1 file changed, 11
Signed-off-by: Xuewei Meng
---
Changelog | 1 +
1 file changed, 1 insertion(+)
diff --git a/Changelog b/Changelog
index 0e4e9eb7b9..086f36b966 100644
--- a/Changelog
+++ b/Changelog
@@ -32,6 +32,7 @@ version :
- asr filter
- showspatial multimedia filter
- VP4 video decoder
+- derain filter
Signed-off-by: Xuewei Meng
---
Changelog | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Changelog b/Changelog
index 1facc1fc46..b60aa5dd0b 100644
--- a/Changelog
+++ b/Changelog
@@ -31,7 +31,7 @@ version :
- xmedian filter
- asr filter
- showspatial multimedia filter
Remove the rain in the input image/video by applying the derain
methods based on convolutional neural networks. Training scripts
as well as scripts for model generation are provided in the
repository at https://github.com/XueweiMeng/derain_filter.git.
Signed-off-by: Xuewei Meng
---
doc
Remove the rain in the input image/video by applying the derain
methods based on convolutional neural networks. Training scripts
as well as scripts for model generation are provided in the
repository at https://github.com/XueweiMeng/derain_filter.git.
Signed-off-by: Xuewei Meng
---
doc
Remove the rain in the input image/video by applying the derain
methods based on convolutional neural networks. Training scripts
as well as scripts for model generation are provided in the
repository at https://github.com/XueweiMeng/derain_filter.git.
Signed-off-by: Xuewei Meng
---
doc
Add dilation parameter in dnn native to support dilated convolution.
Signed-off-by: Xuewei Meng
---
libavfilter/dnn_backend_native.c | 17 +
libavfilter/dnn_backend_native.h | 1 +
2 files changed, 10 insertions(+), 8 deletions(-)
diff --git a/libavfilter/dnn_backend_native.c
Add "Leaky_relu" and "None" option in activation function.
Signed-off-by: Xuewei Meng
---
libavfilter/dnn_backend_native.c | 5 +
libavfilter/dnn_backend_native.h | 2 +-
2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/libavfilter/dnn_backend_na
t as mentioned by sr filter.
Signed-off-by: Xuewei Meng
---
libavfilter/dnn_backend_native.c | 52
libavfilter/dnn_backend_native.h | 3 ++
2 files changed, 43 insertions(+), 12 deletions(-)
diff --git a/libavfilter/dnn_backend_native.c b/libavfilter/dnn_backe
Guo, Yejun 于2019年5月15日周三 下午2:21写道：
>
>
> > -Original Message-
> > From: ffmpeg-devel [mailto:ffmpeg-devel-boun...@ffmpeg.org] On Behalf Of
> > Steven Liu
> > Sent: Wednesday, May 15, 2019 10:38 AM
> > To: FFmpeg development discussions and patches
---
libavfilter/dnn_backend_native.c | 52
libavfilter/dnn_backend_native.h | 3 ++
2 files changed, 43 insertions(+), 12 deletions(-)
diff --git a/libavfilter/dnn_backend_native.c b/libavfilter/dnn_backend_native.c
index 06fbdf368b..171a756385 100644
---
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