getPeopleDetector48x96 missing in 3.0.0

Hi, I am trying to use openCV's `HOGDescriptor` to detect pedestrians in a video named 768x576 provided in data folder. I am using `getDefaultPeopleDetector()`as input to SVM but it suffers from a lot of misses maybe because it is trained for 64x128 samples. There is also a [getPeopleDetector48x96()](http://docs.opencv.org/2.4/modules/gpu/doc/object_detection.html#gpu-hogdescriptor-getpeopledetector48x96) but I [cannot seem to find it in 3.0.0](http://docs.opencv.org/3.0.0/d5/d33/structcv_1_1HOGDescriptor.html#gsc.tab=0). Anybody has any idea how to use `getPeopleDetector48x96()` in 3.0.0 ? Thanks.