[1] M.R. Banham, N.P. Galatsanos and H.L. Gonzalez, “Multichannel restoration of single channel images using
wavelet-based sub band decomposition”. IEEE Trans. Image Process. 3(6) (2016) 821–833.
[2] G. Boopathi and S. Arockiasamy “Image Compression: An approach using Wavelet Transform and Modified
FCM”, Int. J. Computer Appl. 28(2) (2011).
[3] E. Ferrazzi, et al. Miscarriage diagnosis and gestational age estimation in the early first trimester of pregnancy:
transabdominal versus transvaginal sonography, Ultra Sound Obstet Gynecol 3 (1993) 36–41.
[4] J. Gardosi and R.T. Geirsson, “Routine ultra sound has been the method of choice for dating pregnancy, Br. J.
Obstet Gynaecol 105 (1998) 933–36.
[5] R.T. Geirsson and G. Have, Comparison of actual and ultra sound estimated second trimester gestational length
in in-vitro fertilized pregnancies, Acta Obstet Gynecol Scand. 72 (1993) 344–46.
[6] F.P. Hadlock, R.L. Deter, R.J. Carpenter and S.K. Park, Estimating Fatal age: effect of head shape on BPD,
AJR Am. J. Roentgenol 137 (1981) 83–85.[7] F.P. Hadlock, R.L. Deter, R.B. Harrist and S.K. Park. Fatal biparietal diameter: a critical re-evaluation of the
relation to menstrual age through means of real-time ultra sound, J. Ultra Sound Med. 1 (1982) 97–104.
[8] A.H.M. Jaffar Iqbal Barbhuiya and K. Hemachandran, Wavelet tranformations and its major applications in
digital image processing, Int. J. Engin. Res. Tech. 2(3) (2013).
[9] A. Kaur, Transvaginal ultrasonography in first trimester of pregnancy and its comparison along transabdominal
ultrasonography, J pharm Bioallied Sci. 3 (2011) 329-38.
[10] A. Pesters, Dignostic implications of intra and interobserver reproducibility of transvaginal sonographic measurement of gestational sac and crown rump length at 6-9 weeks gestation, In: Ultra sound Obstet Gynecol 38 (2011)
510–15.
[11] K. Sui and H.G. Kim, Research on application of multimedia image processing technology based on wavelet transform, EURASIP J. Image Video Processing 2019 (2019).
[12] D.Z. Tian and M.H. Ha, Applications of wavelet transform in medical image processing, Machine Learning and
Cybernetics, Proceedings of 2004 Int. Conf. 3 (2004).
[13] H. Yun, B. Li and S. Zhang, Pixel-through-pixel absolute three-dimensional shape measurement along modified
Fourier transform profilometry, Appl. Optics 56(5) (2017) 1472.