Fix Documentation Errors

Several examples visibly note errors in migration, running, or output data. It would be good to address these on a case-by-case basis.

- [ ] [https://examples.itk.org/src/segmentation/connectedcomponents/labelconnectcomponentsinbinaryimage/documentation](https://examples.itk.org/src/segmentation/connectedcomponents/labelconnectcomponentsinbinaryimage/documentation)
- [ ] [https://examples.itk.org/src/filtering/imagestatistics/computeminmaxvariancemeanofimage/documentation](https://examples.itk.org/src/filtering/imagestatistics/computeminmaxvariancemeanofimage/documentation)
- [ ] [https://examples.itk.org/src/filtering/imagefeature/sharpenimage/documentation](https://examples.itk.org/src/filtering/imagefeature/sharpenimage/documentation)
- [ ] [https://examples.itk.org/src/filtering/imagefeature/findzerocrossingsinsignedimage/documentation](https://examples.itk.org/src/filtering/imagefeature/findzerocrossingsinsignedimage/documentation)
- [ ] [https://examples.itk.org/src/filtering/imagefeature/findzerocrossingsinsignedimage/documentation](https://examples.itk.org/src/filtering/imagefeature/findzerocrossingsinsignedimage/documentation)
- [ ] [https://examples.itk.org/src/filtering/convolution/normalizedcorrelation/documentation](https://examples.itk.org/src/filtering/convolution/normalizedcorrelation/documentation)
- [ ] [https://examples.itk.org/src/filtering/convolution/colornormalizedcorrelation/documentation](https://examples.itk.org/src/filtering/convolution/colornormalizedcorrelation/documentation)
- [ ] [https://examples.itk.org/src/core/common/neighborhooditeratoronvectorimage/documentation](https://examples.itk.org/src/core/common/neighborhooditeratoronvectorimage/documentation)