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% Script to preprocess the data
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% World coordinate data: FrameID PedID y x(world_coordinate.csv)
% World coordinate normalized data(by min and max):FrameID PedID y x(world_coordinate_normalized.csv)
% World interpolated coordinate data(by min and max):FrameID PedID y x(world_coordinate_inter.csv)
% World interpolated coordinate normalized data(by min and max):FrameID PedID y x(world_coordinate_inter_normalized.csv)
%
% Velocity data(m/s):FrameID PedID v_y v_x(velocity.csv)
% Pixel coordinate data:FrameID PedID v u(pixel.csv)
% Pixel coordinate normalized data(by width and height):FrameID PedID v u(pixel_normalized.csv)
% other:ymax ymin vmax vmin
% xmax xmin umax umin(other.csv)
%
% by He Wei, Oct 31, 2017
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