Complex Image manipulation

• xy norm - compute the general image trend (NMR field in-homogenaety) based on the expected level of image noise IP(const). The technique is based on a re-integration of a smoothed local derivative which excludes edges (Tina memo 2000-004).
• z norm - compute the most frequent ratio between the TOS and NOS returning the ratio in IP(const).
• arg - compute phase of complex TOS image.
• conj - complex conjugate of complex TOS image.
• optf - construct optimal inverse complex filter for deconvolution from TOS image with noise level set by IP(const).