基於ultra96的DJI戰車主控——3. xfOpenCV to jfOpenCV
基於ultra96的DJI戰車主控——3. xfOpenCV to jfOpenCV
上一節我們將xfOpenCV替換掉OpenCV的部分函式,但是發現加速效果並不理想,主要是xf::Mat跟cv::Mat互相轉換佔據了大量的時間。本篇文章將分析xf::Mat跟cv::Mat互相轉換的瓶頸所在,並且給出解決方案,在這個解決方案的框架內,給出bgr2gray以及threshold的高效能HLS實現。這套解決方案的框架稱為jfOpenCV,意為Jiang優化過的xfOpenCV。
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