提供血糖仪图片，识别计算图片中血糖曲线的血糖值，以及开始时间
v1.0
- 接口交互： url：119.29.248.56/ai/image/v1.0/bg_img_detect 输入： image：（图片文件） input_time: 11位时间戳（用于确认当前日期）（optional，如果没有，则默认为当前时间）
输出： data：血糖曲线值，是个dict，从第一个点到第N个点的值 time_start: 血糖仪上初始显示时间（每张图片都默认是持续8小时）
- 前端交互： url：https://119.29.248.56/ai/image/v1.0/bg_img 直接登陆后，按提示操作即可。结果会用折线图形式画出。
接口调用：
输入：
输出：
输出示例：
{
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