diff options
author | alexander <alexander.efremov@arm.com> | 2021-03-26 21:42:19 +0000 |
---|---|---|
committer | Kshitij Sisodia <kshitij.sisodia@arm.com> | 2021-03-29 16:29:55 +0100 |
commit | 3c79893217bc632c9b0efa815091bef3c779490c (patch) | |
tree | ad06b444557eb8124652b45621d736fa1b92f65d /tests/utils | |
parent | 6ad6d55715928de72979b04194da1bdf04a4c51b (diff) | |
download | ml-embedded-evaluation-kit-3c79893217bc632c9b0efa815091bef3c779490c.tar.gz |
Opensource ML embedded evaluation kit21.03
Change-Id: I12e807f19f5cacad7cef82572b6dd48252fd61fd
Diffstat (limited to 'tests/utils')
-rw-r--r-- | tests/utils/ImageUtils.cc | 37 | ||||
-rw-r--r-- | tests/utils/ImageUtils.hpp | 26 |
2 files changed, 63 insertions, 0 deletions
diff --git a/tests/utils/ImageUtils.cc b/tests/utils/ImageUtils.cc new file mode 100644 index 0000000..f77ce1e --- /dev/null +++ b/tests/utils/ImageUtils.cc @@ -0,0 +1,37 @@ +/* + * Copyright (c) 2021 Arm Limited. All rights reserved. + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#include "ImageUtils.hpp" + +void convertImgIoInt8(void * data, const size_t sz) +{ + uint8_t * tmp_req_data = (uint8_t *)data; + int8_t * tmp_signed_req_data = (int8_t *) data; + + for (size_t i = 0; i < sz; ++i) { + tmp_signed_req_data[i] = (int8_t)( + (int32_t)(tmp_req_data[i]) - 128); + } +} + +void convertImgIoGreyscale(const uint8_t * srcPtr, uint8_t * dstPtr, const size_t sz) +{ + for (size_t i = 0; i < sz; ++i, srcPtr += 3) { + *dstPtr++ = 0.2989 * (*srcPtr) + + 0.587 * (*(srcPtr+1)) + + 0.114 * (*(srcPtr+2)); + } +}
\ No newline at end of file diff --git a/tests/utils/ImageUtils.hpp b/tests/utils/ImageUtils.hpp new file mode 100644 index 0000000..838dcef --- /dev/null +++ b/tests/utils/ImageUtils.hpp @@ -0,0 +1,26 @@ +/* + * Copyright (c) 2021 Arm Limited. All rights reserved. + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#ifndef IMAGEUTILS_HPP +#define IMAGEUTILS_HPP + +#include <catch.hpp> + +void convertImgIoInt8(void * data, const size_t sz); + +void convertImgIoGreyscale(const uint8_t * srcPtr, uint8_t * dstPtr, const size_t sz); + +#endif /* IMAGEUTILS_HPP */ |