Add LUT for cv_8u cv_8s cv_16u and cv_16s

[rainyl]

Releated:

• 44

• 55

Currently only implemented for CV_8U, CV_8S, CV_16U and CV_16S, as for CV_32S, $2^{32}=4294967296$, it seems opencv can't create a Mat with such a large amount of columns, so need more efforts.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 88.65%. Comparing base (8deb960) to head (9c7d78a).

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #57 +/- ## ======================================= Coverage 88.64% 88.65% ======================================= Files 34 34 Lines 4774 4777 +3 ======================================= + Hits 4232 4235 +3 Misses 542 542 ```

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