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support align_corners for Resize operator #418

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support align_corners for Resize operator #418

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08fb355
support align_corners for Resize operator
Bohrhh Mar 21, 2020
0d9f485
test
Bohrhh Mar 28, 2020
ed30ed1
support align_corners in resize operator
Bohrhh Mar 28, 2020
c1faba0
support align_corners in resize operator
Bohrhh Apr 20, 2020
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7 changes: 5 additions & 2 deletions builtin_op_importers.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2445,11 +2445,11 @@ DEFINE_BUILTIN_OP_IMPORTER(Resize)

auto mode = attrs.get<std::string>("mode", "nearest");
auto resizeMode = mode == "nearest" ? nvinfer1::ResizeMode::kNEAREST : nvinfer1::ResizeMode::kLINEAR;
auto transformationMode = attrs.get<std::string>("coordinate_transformation_mode", "half_pixel");

if (ctx->getOpsetVersion() >= 11)
{
auto transformationMode = attrs.get<std::string>("coordinate_transformation_mode", "half_pixel");
ASSERT((transformationMode == "asymmetric") && "This version of TensorRT only supports asymmetric resize!",
ASSERT(((transformationMode == "asymmetric") || (transformationMode == "align_corners")) && "This version of TensorRT only supports asymmetric and align_corners resize!",
ErrorCode::kUNSUPPORTED_NODE);
ASSERT(mode != "cubic" && "This version of TensorRT does not support cubic interpolation!",
ErrorCode::kUNSUPPORTED_NODE);
Expand All @@ -2464,11 +2464,14 @@ DEFINE_BUILTIN_OP_IMPORTER(Resize)
auto* resizeShape = &convertToTensor(inputs.at(3), ctx);
layer->setInput(1, *resizeShape);
layer->setResizeMode(resizeMode);
if (transformationMode=="align_corners")
layer->setAlignCorners(true);
RETURN_FIRST_OUTPUT(layer);
}
}

// Resizes that use scale factors have the same import logic between opsets
ASSERT(transformationMode != "align_corners" && "Align_corners should use size information not scale factors!", ErrorCode::kUNSUPPORTED_NODE);
auto scales = ctx->getOpsetVersion() >= 11 ? inputs.at(2) : inputs.at(1);
ASSERT(scales.is_weights() && "Resize scales must be an initializer!", ErrorCode::kUNSUPPORTED_NODE);
ShapedWeights scales_weights = scales.weights();
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