code: def logit_px(self)->LogitTensorImage:
          "Get logit(image.px)."
          if self._logit_px is None: self._logit_px = logit_(self.px)
          return self._logit_pf logit_px(self)->LogitTensorImage:
          "Get logit(image.px)."
          if self._logit_px is None: self._logit_px = logit_(self.px)
          return self._logit_px
docs: Get logit(image.px).