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75 lines
2.6 KiB
75 lines
2.6 KiB
7 years ago
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/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserve.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License. */
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#include "paddle/operators/iou_similarity_op.h"
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namespace paddle {
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namespace operators {
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class IOUSimilarityOp : public framework::OperatorWithKernel {
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public:
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using framework::OperatorWithKernel::OperatorWithKernel;
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protected:
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void InferShape(framework::InferShapeContext *ctx) const override {
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auto x_dims = ctx->GetInputDim("X");
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auto y_dims = ctx->GetInputDim("Y");
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PADDLE_ENFORCE_EQ(x_dims.size(), 2UL, "The shape of X is [N, 4]");
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PADDLE_ENFORCE_EQ(x_dims[1], 4UL, "The shape of X is [N, 4]");
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PADDLE_ENFORCE_EQ(y_dims.size(), 2UL, "The shape of Y is [M, 4]");
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PADDLE_ENFORCE_EQ(y_dims[1], 4UL, "The shape of Y is [M, 4]");
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ctx->SetOutputDim("Out", framework::make_ddim({x_dims[0], y_dims[0]}));
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}
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};
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class IOUSimilarityOpMaker : public framework::OpProtoAndCheckerMaker {
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public:
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IOUSimilarityOpMaker(OpProto *proto, OpAttrChecker *op_checker)
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: OpProtoAndCheckerMaker(proto, op_checker) {
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AddInput(
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"X",
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"(Tensor, default Tensor<float>) "
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"BoxList X holding N boxes, each box is "
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"represented as [xmin, ymin, xmax, ymax], the shape of X is [N, 4].");
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AddInput(
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"Y",
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"(Tensor, default Tensor<float>) "
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"BoxList Y holding M boxes, each box is "
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"represented as [xmin, ymin, xmax, ymax], the shape of X is [N, 4].");
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AddOutput(
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"Out",
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"(Tensor) The output of iou_similarity op, a tensor with shape [N, M] "
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"representing pairwise iou scores.");
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AddComment(R"DOC(
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IOU Similarity Operator.
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Computes pairwise intersection-over-union between box collections.
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)DOC");
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}
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};
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} // namespace operators
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} // namespace paddle
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namespace ops = paddle::operators;
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REGISTER_OP_WITHOUT_GRADIENT(iou_similarity, ops::IOUSimilarityOp,
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ops::IOUSimilarityOpMaker);
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REGISTER_OP_CPU_KERNEL(
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iou_similarity,
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ops::IOUSimilarityKernel<paddle::platform::CPUDeviceContext, float>,
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ops::IOUSimilarityKernel<paddle::platform::CPUDeviceContext, double>);
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