Erratum to “On Feature Motion Decorrelation in Ultrasound Speckle Tracking”

In the above paper (ibid., IEEE Trans. Med. Imag., vol. 32, no. 2, pp. 435-448, Feb. 2013), Section VII, the second sentence in the last paragraph should be corrected as "The program takes about 5 hours for 2-D ultrasound images and is more than 9 times faster than the CPU-based program in a standard PC."