Advances in Electromagnetic Fields in Living Systems: Volume by James C. Lin

By James C. Lin

This accomplished and topical quantity provides a couple of major advances on many fronts during this sector of analysis, fairly emphasizing present and destiny biomedical functions of electromagnetic fields.

Show description

Read or Download Advances in Electromagnetic Fields in Living Systems: Volume 4 (Advances in Electromagnetic Fields in Living Systems) PDF

Best diagnostic imaging books

Combat Radiology: Diagnostic Imaging of Blast and Ballistic Injuries

Wrestle Radiology offers exact insights right into a army radiologist’s position within the smooth battlefield atmosphere. Drawing on his contemporary reports in Iraq, Col. Les Folio, a retired air strength radiologist and flight physician with over 20 years of provider, offers a finished advent to diagnostic imaging expertise for the deployed army medical professional.

PET-CT: A Case Based Approach

The puppy Imaging technological know-how middle on the college of Southern California is well-known as one of many greatest puppy facilities. The director, Dr. Peter Conti, is a special chief within the box. He and one in all his most sensible nuclear medication fellows, Dr. Daniel Cham, have released one of many first PET-CT case dependent books.

FDG PET/CT in Clinical Oncology: Case Based Approach with Teaching Points

FDG PET/CT has quickly emerged as a useful mixed imaging modality that offers either anatomic and useful details. This e-book, comprising a suite of pictures from oncology instances, is equipped based on the position of FDG PET/CT within the assessment and administration of oncology sufferers, and in simple terms secondarily by way of organ or tumor entity.

Imaging Trauma and Polytrauma in Pediatric Patients

This e-book presents an in depth and complete evaluation of the function of diagnostic imaging within the review and administration of trauma and polytrauma in kids. The insurance contains imaging of accidents to the pinnacle, thorax, stomach, bone and musculoskeletal method, with cautious realization to the latest imaging recommendations, imaging through the process restoration and imaging of issues.

Additional info for Advances in Electromagnetic Fields in Living Systems: Volume 4 (Advances in Electromagnetic Fields in Living Systems)

Example text

This filter does not affect the amplitudes and intracardiac-time intervals. , 2001]. An adaptive filter has two input channels, a primary channel and a reference channel. The input to the primary channel is the fetal MCG signal corrupted with noise and the input to the reference channel is the maternal ECG signal. The filter has a set of modifiable weights and the weights are updated using an adaptive filtering algorithm. The reference signal v(k) is processed by the adaptive filter to produce the output signal y(k) = K −1 wi (k)v(k − i) (2) i=0 where the wi(k) are the adjustable (real) weights of the adaptive filter.

In the next step, the cardiac complexes are extracted from the filtered signal. These complexes are used to construct a template of the cardiac complex. Using this template the signal is filtered again and the template serves here as a matched filter. Using the algorithm described above, the events are again detected and a threshold of 65% of the median value is used again. The last step in the detection process is checking the minimum time interval between two detected R-peaks. Whenever the interval is shorter than 200 ms, the R-peak with the lowest correlation in the matched filter is rejected.

The R-peak locations in time obtained from the maternal ECG indicate when a maternal R-peak is present in the fetal signal. A template of the maternal cardiac complex can be constructed by averaging the maternal complexes in the fetal signal. This template can be subsequently subtracted at all the time instants where a maternal complex is found in the fetal signal. 24 Maria J. Peters et al. A) 0 1000 2000 3000 4000 5000 Time [ms] B) 0 1000 2000 3000 4000 5000 Time [ms] Figure 14. An example of application of ICA.

Download PDF sample

Rated 5.00 of 5 – based on 3 votes