The most significant factor is the maximum prediction angle, the second-rate one is the current pixel location, and the least one is the context vector dimension.

(b) In the minimum sector radii, the maximum prediction angle having the largest weight is nearly 0.60 and the context vector dimension having the least weight is about 0.17.

(c) In the middle sector radii, the most weighted factor is the maximum prediction angle, the second-rate one is the current pixel location measurement and the least weighted one is the context dimension.

As far as varying range, the maximum prediction angle plays the most obvious function, the current pixel location takes the second place, and the context vector dimension shows the weakest one.

Big to small, factor weights are in the order of the maximum prediction angle, the context vector dimension, and the current pixel location.

Differently from the scales of aforementioned factor scales for EC, the maximum prediction angle still acts the most significant part, but the sequent order becomes from the context vector dimension to the current pixel location.

In detail, three factors are analyzed, including the context vector dimension, the prediction angle, and the current pixel location.