78 lines
2.4 KiB
C++
78 lines
2.4 KiB
C++
/*******************************************************************************
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* Copyright (c) 2015-2018 Skymind, Inc.
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*
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* This program and the accompanying materials are made available under the
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* terms of the Apache License, Version 2.0 which is available at
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* https://www.apache.org/licenses/LICENSE-2.0.
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*
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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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* SPDX-License-Identifier: Apache-2.0
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******************************************************************************/
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//
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// @author raver119@gmail.com
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// @author Yurii Shyrma (iuriish@yahoo.com)
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//
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#include <op_boilerplate.h>
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#if NOT_EXCLUDED(OP_adjust_hue)
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#include <ops/declarable/headers/parity_ops.h>
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#include <ops/declarable/helpers/adjust_hue.h>
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namespace nd4j {
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namespace ops {
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CONFIGURABLE_OP_IMPL(adjust_hue, 1, 1, true, 0, 0) {
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auto input = INPUT_VARIABLE(0);
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auto output = OUTPUT_VARIABLE(0);
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// just skip op if input is empty
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if (input->isEmpty())
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return Status::OK();
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const int rank = input->rankOf();
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const int dimC = block.getIArguments()->size() > 0 ? (INT_ARG(0) >= 0 ? INT_ARG(0) : INT_ARG(0) + rank) : rank - 1;
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REQUIRE_TRUE(block.numT() > 0 || block.width() > 1, 0, "ADJUST_HUE: delta factor is required !");
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REQUIRE_TRUE(rank >= 3, 0, "ADJUST_HUE: op expects rank of input array to be >= 3, but got %i instead", rank);
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REQUIRE_TRUE(input->sizeAt(dimC) == 3, 0, "ADJUST_HUE: operation expects image with 3 channels (R, G, B), but got %i instead", input->sizeAt(dimC));
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NDArray* delta = nullptr;
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if(block.width() > 1)
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delta = INPUT_VARIABLE(1);
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else {
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delta = new NDArray(output->dataType(), block.launchContext());
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delta->p(0, T_ARG(0));
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}
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REQUIRE_TRUE(-1. <= delta->e<double>(0) && delta->e<double>(0) <= 1., 0, "ADJUST_HUE: parameter delta must be within [-1, 1] interval, but got %f instead", delta);
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helpers::adjustHue(block.launchContext(), input, delta, output, dimC);
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if(block.width() == 1)
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delete delta;
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return Status::OK();
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}
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DECLARE_TYPES(adjust_hue) {
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getOpDescriptor()->setAllowedInputTypes(nd4j::DataType::ANY)
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->setSameMode(true);
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}
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}
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}
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#endif |