# Regular Meeting (2020.6.22)

## Outline

* Difference between 1/r and log-r in HoughMapGenerator
* Problem

## Difference between 1/r and log-r

1. Formular for HoughCurveConvert
* log-r
Convert CDC-polar to HoughSpace *Indirectly*
(Through xy-space)

* 1/r
Convert CDC-polar to HoughSpace *Directly*

2. Mechanism for
* log-r
* Minus-Normal
* Minus-Infinity
* Plus-Normal
* Plus-Infinity

* 1/r
* r > 0

###### tags: `Regular Meeting` `DeWei`