CanCanZeng

Hi, @interactivetech , do you know how to get the lensDistortionLookupTable? I searched for a long time but did not find any example. I also want to undistort the image...

@chaiyujin Thank you for your advice. I find this API but I do not know how to use it. Actually I do not know much about swift or object-c, so...

I'm trying to build an application on top of ARKit, but I suspect that the image returned by ARKit is distorted, so I want to undistort the image and see...

Acutally I segment a small part of this big point cloud, the effect I mentioned above still exists, but not very obviously. I upload my file to dropbox, hope it...

Hi @alemuntoni , is this bug fixed? I tried the newest release 2022.2, AppImage format, it still has the same issue.

The current problem shown in the image below, some of the trajectory of feature are all white. 

Thank you for your help! I will look into these code.

Hi, I'm trying to calibrate a velodyne HDL32 lidar with a camera, as you said, the fast-lio can be used to get denser point cloud, but I find that the...

我也是只改了bag包的路径，然后运行程序，标定的结果也不好。我的环境是ubuntu16.04, eigen3.3.4, pcl-1.7, ceres-1.14.0。你找到问题的原因了吗? @nkliuhui

我测试了indoor1.bag 和outdoor1.bag，都是类似的情况Rough calibration刚开始几次是朝着正确的方向在优化，后来就突然朝着错误的方向一直走了。 试过了把add_error去掉，也不对。最后去掉了roughCalib得到的结果看起来才是正确的，不过也还是存在一些明显的匹配错误，例如outdoor1.bag柱子上面颜色贴错了，可能是rgb图内参有点误差造成的。  请问这是正常现象吗，我感觉使用的是提供的demo数据，应该是不做任何修改就能得到正确的结果才对。 @ChongjianYUAN