Add octconv layers and obj coord preprocessing ops.

Add octconv layers and obj coord preprocessing ops.

Author: Windaway

docs/modules/cost.rst

@@ -96,5 +96,5 @@ Special
 .. autofunction:: maxnorm_i_regularizer
 
 Huber Loss
-^^^^^^^^^^
+--------------------------
 .. autofunction:: huber_loss

docs/modules/layers.rst

@@ -39,6 +39,12 @@ Layer list
    SeparableConv2d
    DeformableConv2d
    GroupConv2d
+   OctConv2dIn
+   OctConv2d
+   OctConv2dOut
+   OctConv2dHighOut
+   OctConv2dLowOut
+   OctConv2dConcat
 
    PadLayer
    PoolLayer
@@ -241,6 +247,34 @@ GroupConv2d
 """""""""""""""""""""
 .. autoclass:: GroupConv2d
 
+OctConv2d
+--------------------------
+
+For OctConv2d, see `Drop an Octave: Reducing Spatial Redundancy in Convolutional Neural Networks with Octave Convolution <https://arxiv.org/abs/1904.05049>`__.
+
+OctConv2dIn
+"""""""""""""""""""""
+.. autoclass:: OctConv2dIn
+
+OctConv2d
+"""""""""""""""""""""
+.. autoclass:: OctConv2d
+
+OctConv2dOut
+"""""""""""""""""""""
+.. autoclass:: OctConv2dOut
+
+OctConv2dHighOut
+"""""""""""""""""""""
+.. autoclass:: OctConv2dHighOut
+
+OctConv2dConcat
+"""""""""""""""""""""
+.. autoclass:: OctConv2dConcat
+
+OctConv2dLowOut
+"""""""""""""""""""""
+.. autoclass:: OctConv2dLowOut
 
 Separable Convolutions
 ^^^^^^^^^^^^^^^^^^^^^^^^^^

docs/modules/prepro.rst

@@ -79,6 +79,8 @@ API - Data Pre-Processing
    obj_box_coord_upleft_butright_to_centroid
    obj_box_coord_centroid_to_upleft
    obj_box_coord_upleft_to_centroid
+   obj_box_coord_affine
+   rotated_obj_box_coord_affine
 
    parse_darknet_ann_str_to_list
    parse_darknet_ann_list_to_cls_box
@@ -577,6 +579,14 @@ Image Aug - Zoom
 ^^^^^^^^^^^^^^^^^^^^^^^^^
 .. autofunction:: obj_box_zoom
 
+Image Aug - Affine
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+.. autofunction:: obj_box_coord_affine
+
+Image Aug - Rotated-Affine
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+.. autofunction:: rotated_obj_box_coord_affine
+
 Keypoints
 ------------
 

tensorlayer/layers/convolution/__init__.py

@@ -80,4 +80,12 @@
     #quan_conv
     'QuanConv2d',
     'QuanConv2dWithBN',
+
+    # octave_conv
+    'OctConv2dIn',
+    'OctConv2d',
+    'OctConv2dOut',
+    'OctConv2dHighOut',
+    'OctConv2dLowOut',
+    'OctConv2dConcat',
 ]