hello chiemwhuama,
it’s a known issue with JP-6.0 GA/l4t-r36.3.0, which images captured through VI-mode results in abnormal lines.
please refer to Topic 299834 for the fixes for raw image corruption (line artifacts) through VI-mode
or… you may moving to the latest Jetpack-6 public release version (JP-6.2/r36.4.3) to include the fixes.