Once extracted, local extrema are quadratically detected this is very important especially at the lower resolution scales in order to have accurate keypoint localization at the full sx. Finally, they are filtered to eliminate low-contrast responses or responses close to edges and the orientation s are assigned, as sealed next. Peaks which are too short may have been generated by clicking and are discarded..
Even though the basic usage of TypeDescriptor is to get metadata of an object, yet it also exposes features to extend cw object on the fly. Let us now discuss few capabilities of Descriptors with a little information about its usage. TypeDescriptor is used to get information of a Type. To use it, you need to pass a component to its static methods. In the above code, I have just created an object of Button class you can use any class for this and got the information name in this example from it.