Patient motion impacts single photon emission computed tomography (SPECT), positron
emission tomography (PET) and x-ray computed tomography (CT) by giving rise to …

This paper reviews recent advances in 4D medical imaging (4DMI) and 4D radiation therapy
(4DRT), which study, characterize, and minimize patient motion during the processes of …

A method and system for physiological gating is disclosed. A method and system for
detecting and predictably estimating regular cycles of physiological activity or movements is …

(57) ABSTRACT A method for generating one or more images includes col lecting data
samples representative of a motion of an object, acquiring image data of at least apart of the …

A method is described to monitor the motion of the head during neurological positron
emission tomography (PET) acquisitions and to correct the data post acquisition for the …

The present application is a continuation-in-part of US application Ser. No. 09/893,122, filed
Jun. 26, 2001, which is continuation-in-part of US application Ser. Nos. 09/178, 383 filed Oct …

An apparatus (10) for irradiating a target includes a radiation source (12) for generating a
radiation beam and a multiple leaf beam adjuster (16) for collimating and adjusting the …

US7227925B1 - Gantry mounted stereoscopic imaging system - Google Patents US7227925B1
- Gantry mounted stereoscopic imaging system - Google Patents Gantry mounted stereoscopic …

Methods capable of correcting for head motion in all six degrees of freedom have been
proposed for positron emission tomography (PET) brain imaging but not yet demonstrated in …

3,861,807 A 1/1975 Lescrenier 3,871,360 A 3, 1975 Van Hornet al. 3,952.201 A 4, 1976
Hounsfield 3,974,386 A 8, 1976 Mistretta et al. 4,031,884 A 6, 1977 Henzel 4,262,306 A 4 …