moved implementations table to top of README

Author: andreped

README.md

@@ -8,9 +8,11 @@
 GPU-accelerated stain normalization tools for histopathological images. Compatible with PyTorch, TensorFlow, and Numpy.
 Normalization algorithms currently implemented:
 
-- Macenko [\[1\]](#reference) (ported from [numpy implementation](https://github.com/schaugf/HEnorm_python))
-- Reinhard [\[2\]](#reference)
-- Modified Reinhard [\[3\]](#reference)
+| Algorithm | numpy | torch | tensorflow |
+|-|-|-|-|
+| Macenko [\[1\]](#reference) | ✓ | ✓ | ✓ |
+| Reinhard [\[2\]](#reference) | ✓ | ✓ | ✓ |
+| Modified Reinhard [\[3\]](#reference) | ✓ | ✓ | ✓ |
 
 ## Installation
 
@@ -45,14 +47,6 @@ norm, H, E = normalizer.normalize(I=t_to_transform, stains=True)
 
 ![alt text](data/result.png)
 
-## Implemented algorithms
-
-| Algorithm | numpy | torch | tensorflow |
-|-|-|-|-|
-| Macenko | ✓ | ✓ | ✓ |
-| Reinhard | ✓ | ✓ | ✓ |
-| Modified Reinhard | ✓ | ✓ | ✓ |
-
 ## Backend comparison
 
 Results with 10 runs per size on a Intel(R) Core(TM) i5-8365U CPU @ 1.60GHz