초록 ▼

An image management system (10), such as a PACS system is disclosed. The PACS system includes a PACS server (20) coupled to a communications network (22) and a plurality of PACS workstations (40) also coupled to a communications network (22). Each PACS workstation (40) is configured to receive two d

An image management system (10), such as a PACS system is disclosed. The PACS system includes a PACS server (20) coupled to a communications network (22) and a plurality of PACS workstations (40) also coupled to a communications network (22). Each PACS workstation (40) is configured to receive two dimensional image information and provide incremental volume rendering on the PACS workstation (40) while the two dimensional image information is being received.

대표청구항 ▼

An image management system (10), such as a PACS system is disclosed. The PACS system includes a PACS server (20) coupled to a communications network (22) and a plurality of PACS workstations (40) also coupled to a communications network (22). Each PACS workstation (40) is configured to receive two d

An image management system (10), such as a PACS system is disclosed. The PACS system includes a PACS server (20) coupled to a communications network (22) and a plurality of PACS workstations (40) also coupled to a communications network (22). Each PACS workstation (40) is configured to receive two dimensional image information and provide incremental volume rendering on the PACS workstation (40) while the two dimensional image information is being received. nsisting of optical interferometer and optical resonators. 8. The optical filtering device according to claim 1, wherein said means for separately obtaining the reference filter and periodic filter signals comprise: a beam splitting device splitting the primary light beam into said portions of the primary light beam being respectively and parallely filtered by the absolute reference filter and the periodic filter, thereby separately generating the reference filter and periodic filter beams; and a first and a second detector respectively detecting the reference filter and periodic filter beams to obtain therefrom the reference filter and periodic filter signals. 9. The optical filtering device according to claim 8, wherein the beam splitting device is selected from the group consisting of a beam splitter, a fiber coupler, a Y-shaped waveguide and a semi-transparent mirror. 10. The optical filtering device according to claim 1, wherein: the absolute reference filter is disposed in series with the periodic filter, said reference filter and periodic filter beams being thereby generated into a combined beam; and the means for separately obtaining the reference filter and periodic filter signals comprise: a detector positioned to detect the combined beam and obtaining therefrom a combined signal; and electronic separating means for electronically separating the combined signal into said reference filter and periodic filter signals. 11. The optical filtering device according to claim 1, wherein the laser locking means comprise: a laser tuning mechanism for tuning the frequency of the tunable laser source; and first controlling means for receiving the reference laser signal, analyzing said laser stabilizing signal and controlling the laser tuning mechanism based on said analyzing. 12. The optical filtering device according to claim 11, wherein the filter stabilizing means comprise: a filter tuning mechanism for tuning the frequency response of the periodic filter; and second controlling means for receiving the periodic filter signal, analyzing said periodic filter signal and controlling the filter tuning mechanism based on said analyzing. 13. The optical filtering device according to claim 12, wherein the filter tuning mechanism is selected form the group consisting of a piezo-electric element, a thermal element, an electro-optic element, a magneto-optic element, a MEMS device and combinations thereof. 14. The optical filtering device according to claim 12, wherein the first controlling means causes a dithering of the frequency of the tunable laser source. 15. The optical filtering device according to claim 12, comprising a controller including said first and second controlling means. 16. A method for filtering of a light beam, comprising the steps of: A- providing a periodic filter having a frequency response including a plurality of substantially regularly-spaced spectral features; B- stabilizing the frequency response of said periodic filter at an absolutely calibrated value, said stabilizing comprising the steps of: a) generating a primary light beam at a tunable frequency with a tunable laser source; b) filtering at least a portion of the primary light beam through an absolute reference filter having a transmission spectrum which includes at least one absolutely known absorption feature to generate a reference beam; c) filtering at least a portion of the primary light beam through the periodic filter to generate a periodic filter beam; d) separately obtaining a reference filter signal and a periodic filter signal from the reference filter and periodic filter beams, respectively; e) locking the frequency of the tunable laser source relative to a selected one of the absorption features of the absolute reference filter using said reference filter signal; and f) stabilizing the frequency response of said periodic filter using said periodic filter signal by locking a selected spectral feature of