Update README.md

Author: Milchreis

README.md

@@ -79,6 +79,13 @@ PImage processedImage = SobelEdgeDetector.apply(image, false);
 
 ## Optimisation
 
+#### Brightness
+![alt autobalance](https://github.com/Milchreis/processing-imageprocessing/blob/master/img/brightness.png?raw=true)
+```java
+PImage processedImage = Brightness.apply(image, value); 
+// value isa positive number for brighting up or a negative for darken down
+```
+ 
 #### AutoBalance image
 ![alt autobalance](https://github.com/Milchreis/processing-imageprocessing/blob/master/img/autobalance.png?raw=true)
 ```java
@@ -117,6 +124,12 @@ LUT style = LUT.loadLut(LUT.STYLE.CONTRAST);
 PImage processedImage = LUT.apply(image, style); 
 ```
 
+#### Glitch image
+![alt lookup-table](https://github.com/Milchreis/processing-imageprocessing/blob/master/img/glitch.png?raw=true)
+```java
+PImage processedImage = Glitch.apply(image, intensity, scanlineheight);
+```
+
 #### Dithering
 ![alt dithering](https://github.com/Milchreis/processing-imageprocessing/blob/master/img/dithering_d1.png?raw=true)
 ```java