Preheat oven to 350 degrees F (175 degrees C). Reserve 3/4 cup of apple pie filling and set aside.
Spoon remaining pie filling into crust. In a large bowl, combine cream cheese, sugar and vanilla. Beat until smooth then add eggs and mix well. Pour over apple filling in crust.
Bake at 350 degrees F (175 degrees C) for 35 minutes, or until center is set. Remove from oven and cool to room temperature.
Mix reserved apple filling and caramel topping in a small saucepan. Heat for about 1 minute. Arrange apple slices around outside edge of cheesecake. Spread caramel sauce evenly over. Decorate with pecan halves around edge. Sprinkle with chopped pecans. Chill until ready to serve.