xyflzyn issues

Results 5 issues of


                                            xyflzyn

The result of calibration matrix is very bad！！！

![image](https://user-images.githubusercontent.com/96157991/176624343-f7e6e1d7-6a8d-422a-a452-489d179b84bd.png)

user-platform

IMU-Camera Calibration RuntimeError: Optimization failed!

![image](https://user-images.githubusercontent.com/96157991/173516249-d27bbeb9-2947-40e2-ac92-b4ea4187d3ae.png) I have tried increasing the timeOffsetPadding, but it does not work. Is there any other solution？ Thank you very much！

user-platform

RuntimeError: Optimization failed!

![image](https://user-images.githubusercontent.com/96157991/173569539-84c12608-1e93-4249-83f0-616a9bc34675.png) I have tried increasing the timeOffsetPadding, but it does not work. Is there any other solution？ Thank you very much！

What are the effects of image frame rate and resolution on ORB-SLAM3

Our resolution is 640x480, the frame rate is erratic only 2-3 frames, and the tracking and positioning accuracy is poor.

运行开始出现段错误

![Uploading image.png…]() 使用的是和ORB-SLAM2一样的指令，运行开始就报错了，请求大佬指点