ncnn-android-{nanodet、yolovx}

[zhanglaplace]

detail | 详细描述 | 詳細な説明

你好，这边尝试了提供的安卓的demo代码(https://github.com/nihui/ncnn-android-nanodet与https://github.com/nihui/ncnn-android-yolox），发现摄像头数据不做处理(on_image_render)，手机端的FPS也只有25fps。正常吗？

[nihui]

some notes

    Android ndk camera is used for best efficiency
    Crash may happen on very old devices for lacking HAL3 camera interface
    All models are manually modified to accept dynamic input shape
    Most small models run slower on GPU than on CPU, this is common
    FPS may be lower in dark environment because of longer camera exposure time

[nihui]

If the problem persists, feel free to reopen the issue