MLECO-3076: Add use case API for object detection
* Removed unused prototype for box drawing
Signed-off-by: Richard Burton <richard.burton@arm.com>
Change-Id: I1b03b88e710a5efb1ff8e107859d2245b1fead26
diff --git a/source/use_case/object_detection/src/DetectorPreProcessing.cc b/source/use_case/object_detection/src/DetectorPreProcessing.cc
new file mode 100644
index 0000000..7212046
--- /dev/null
+++ b/source/use_case/object_detection/src/DetectorPreProcessing.cc
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2022 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 "DetectorPreProcessing.hpp"
+#include "ImageUtils.hpp"
+#include "log_macros.h"
+
+namespace arm {
+namespace app {
+
+ DetectorPreProcess::DetectorPreProcess(TfLiteTensor* inputTensor, bool rgb2Gray, bool convertToInt8)
+ : m_inputTensor{inputTensor},
+ m_rgb2Gray{rgb2Gray},
+ m_convertToInt8{convertToInt8}
+ {}
+
+ bool DetectorPreProcess::DoPreProcess(const void* data, size_t inputSize) {
+ if (data == nullptr) {
+ printf_err("Data pointer is null");
+ }
+
+ auto input = static_cast<const uint8_t*>(data);
+
+ if (this->m_rgb2Gray) {
+ image::RgbToGrayscale(input, this->m_inputTensor->data.uint8, this->m_inputTensor->bytes);
+ } else {
+ std::memcpy(this->m_inputTensor->data.data, input, inputSize);
+ }
+ debug("Input tensor populated \n");
+
+ if (this->m_convertToInt8) {
+ image::ConvertImgToInt8(this->m_inputTensor->data.data, this->m_inputTensor->bytes);
+ }
+
+ return true;
+ }
+
+} /* namespace app */
+} /* namespace arm */
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