The yolov8 object detection and segmentation
1.Android yolov8 detection demo
2.yolov8s-seg.cpp
1.change c2f split to slice
2.for Detection model change class Detect output
3.for Segmentation model change class Detect output and Segment output
https://github.com/nihui/ncnn-android-nanodet
https://github.com/Tencent/ncnn
https://github.com/ultralytics/assets/releases/tag/v0.0.0