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Diffstat (limited to 'samples/ObjectDetection/include/ImageUtils.hpp')
| -rw-r--r-- | samples/ObjectDetection/include/ImageUtils.hpp | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/samples/ObjectDetection/include/ImageUtils.hpp b/samples/ObjectDetection/include/ImageUtils.hpp new file mode 100644 index 0000000000..07e2b839f9 --- /dev/null +++ b/samples/ObjectDetection/include/ImageUtils.hpp @@ -0,0 +1,58 @@ +// +// Copyright © 2020 Arm Ltd and Contributors. All rights reserved. +// SPDX-License-Identifier: MIT +// +#pragma once + +#include "DetectedObject.hpp" +#include "Types.hpp" + +#include <opencv2/opencv.hpp> + +#include <vector> + +const cv::InterpolationFlags DefaultResizeFlag = cv::INTER_NEAREST; + +/** +* @brief Function to process the decoded results from the inference, and overlay the detail onto the provided frame +* @param[in] decodedResults the decoded results from the inference output. +* @param[in] inputFrame the frame to overlay the inference output details onto. +* @param[in] labels the label set associated with the trained model used. +*/ +void AddInferenceOutputToFrame(od::DetectedObjects& decodedResults, + cv::Mat& inputFrame, + std::vector<std::tuple<std::string, od::BBoxColor>>& labels); + +/** +* @brief Function to resize a frame while keeping aspect ratio. +* +* @param[in] frame the frame we want to resize from. +* @param[out] dest the frame we want to resize into. +* @param[in] aspectRatio aspect ratio to use when resizing. +*/ +void ResizeFrame(const cv::Mat& frame, cv::Mat& dest, const od::Size& aspectRatio); + +/** +* @brief Function to pad a frame. +* @param[in] src the frame we want to pad. +* @param[out] dest the frame we want to store the result. +* @param[in] bottom padding to use on bottom of the frame. +* @param[in] right padding to use on the right of the frame. +*/ +void PadFrame(const cv::Mat& src, cv::Mat& dest, int bottom, int right); + +/** + * Resize frame to the destination size and pad if necessary to preserve initial frame aspect ratio. + * + * @param frame input frame to resize + * @param dest output frame to place resized and padded result + * @param cache operation requires intermediate data container. + * @param destSize size of the destination frame + */ +void ResizeWithPad(const cv::Mat& frame, cv::Mat& dest, cv::Mat& cache, const od::Size& destSize); + +/** +* @brief Function to retrieve the cv::scalar color from a RGB tuple. +* @param[in] color the tuple form of the RGB color +*/ +static cv::Scalar GetScalarColorCode(std::tuple<int, int, int> color);
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