By Michael Halliwell, Peter N.T. Wells
The overseas Symposium of Acoustical Imaging has been well known because the ideal discussion board for displays of complicated examine bring about either theoretical and experimental improvement. Held on a regular basis on account that 1968, the symposium brings jointly foreign top researchers within the sector of acoustical imaging. The complaints from the twenty fifth assembly includes articles at the following issues: arithmetic and Physics of Acoustical Imaging, Transducers and Arrays, Nondestructive assessment, Geophysical and Underwater Ultrasonics, Microscopy and Microscanning, Scattering via Blood and Tissue, scientific and organic snapshot Formation, Tissue Characterization, Tissue and movement and Blood stream, Elasticity Imaging, difficult Tissues, and Novel and rising tools.
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Additional info for Acoustical Imaging (Volume 25)
Acoust. Soc. Am. 99: 3817-25. , 1986, Diagnostic spectrum analysis in ophthalmology, Ultrasound Med. Biol. 12: 623–31. , 1972, Considerations of sample and feature size. IEEE Trans. Inform. Theory IT-18: 618-26. , 1984, Ultrasonic characterization of tissue structure in the in vivo human liver and spleen, IEEE Trans. Son. Ultrason. SU-31: 418-28. , 1983, Ultrasonic signalprocessing for invitro attenuation measurement: short time Fourcer analysis, Ultrasonic Imag. 5: 117-35. , 1984, Diffraction effects in pulse- echo measurements, IEEE Trans.
1965, Probability, Random Variables and Stochastic Processes, McGrawHill New York. 6: 293-303. , 1989 In nivo ultrasound backscattering estimation for tumor diagnosis: an animal study, Ultrasound Med. Biol. 15: 471-9. , 1991, Ultrasonic differentiation of intracular melanoma: parameters and estimation methods, Ultrasonic Imag. 13:27-55. , 1999, Tissue characterization of the prostate using radiofreuency ultrasonic signals, IEEE Trans. Ultrasonics Feroel. Freq. Control 46: 126-38. , 1988, Tissue characterization based on scatterer number density estimation, IEEE Trans.
The number of estimated parameters used for the classification can be relatively high, but the number of independently proven cases of a disease is however very often relatively low. e. the algorithm to decide, is based on a limited set of clinical cases. g. , 1996). In any case, it has been shown by Foley (1972) that the number of parameters that can be taken into account in a linear classification algorithm should not exceed the smallest number of cases, in any of the classes, divided by three (or more, in case of nonlinear classifiers).