76 lines
2.7 KiB
C++
76 lines
2.7 KiB
C++
/****************************************************************************
|
|
*
|
|
* Copyright (c) 2021 Vivante Corporation
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
* DEALINGS IN THE SOFTWARE.
|
|
*
|
|
*****************************************************************************/
|
|
#ifndef TIM_VX_OPS_SPATIAL_TRANSFORMER_H_
|
|
#define TIM_VX_OPS_SPATIAL_TRANSFORMER_H_
|
|
#include "tim/vx/builtin_op.h"
|
|
|
|
namespace tim {
|
|
namespace vx {
|
|
namespace ops {
|
|
|
|
/**
|
|
* ## Spatial Transformer
|
|
*
|
|
* 'Spatial Transformer Networks', Jaderberg et. al,
|
|
* (https://arxiv.org/abs/1506.02025)
|
|
*
|
|
* - theta : Affine transform tensor of shape (B, 6). Permits cropping,
|
|
translation and isotropic scaling. Initialize to identity matrix.
|
|
It is the output of the localization network.
|
|
*/
|
|
|
|
class SpatialTransformer : public BuiltinOp {
|
|
public:
|
|
SpatialTransformer(Graph* graph, uint32_t output_h, uint32_t output_w,
|
|
bool has_theta_1_1, bool has_theta_1_2, bool has_theta_1_3,
|
|
bool has_theta_2_1, bool has_theta_2_2, bool has_theta_2_3,
|
|
float theta_1_1, float theta_1_2, float theta_1_3,
|
|
float theta_2_1, float theta_2_2, float theta_2_3, bool align_corners = false);
|
|
|
|
std::shared_ptr<Operation> Clone(std::shared_ptr<Graph>& graph) const override;
|
|
|
|
protected:
|
|
const uint32_t output_h_;
|
|
const uint32_t output_w_;
|
|
bool has_theta_1_1_;
|
|
bool has_theta_1_2_;
|
|
bool has_theta_1_3_;
|
|
bool has_theta_2_1_;
|
|
bool has_theta_2_2_;
|
|
bool has_theta_2_3_;
|
|
float theta_1_1_;
|
|
float theta_1_2_;
|
|
float theta_1_3_;
|
|
float theta_2_1_;
|
|
float theta_2_2_;
|
|
float theta_2_3_;
|
|
bool align_corners_;
|
|
};
|
|
|
|
} // namespace ops
|
|
} // namespace vx
|
|
} // namespace tim
|
|
|
|
#endif /* TIM_VX_OPS_SPATIAL_TRANSFORMER_H_ */
|