1. A connection device for connecting electronics of a head coil arranged on a patient support to a connector location provided on the patient support, the head coil being insertable into a PET detector arranged in a magnetic resonance instrument to enable simultaneous magnetic resonance and PET recording, the connection device comprising:
a cable connection including releasable means for attachment to the electronics and the connector location, the cable connection being fed from the electronics through the annular PET detector and externally on the PET detector back to the connector location.
2. The connection device as claimed in claim 1, wherein at least one guide device, establishing the route of the cable connection, is provided.
3. The connection device as claimed in claim 1, wherein a tubular, geometrically stable guide device, at least partially enclosing the cable connection, is provided.
4. The connection device as claimed in claim 2, further comprising at least one telescopable carrier element for holding at least one of the guide device and the cable connection.
5. The connection device as claimed in claim 2, wherein the cable connection is fed over a return roll, in the turnaround region.
6. The connection device as claimed in claim 2, wherein the cable connection is fed in at least two subsections parallel to the longitudinal axis of the PET detector so that the subsections are fed along the PET detector when the patient support is moved.
7. The connection device as claimed in claim 6, wherein a length of the subsections is determined as a function of a maximum movement range of the patient support.
8. The connection device as claimed in claim 2, wherein at least one return roll is provided for receiving and feeding the cable connection moved with the patient support in a direction essentially perpendicular to the longitudinal axis of the PET detector.
9. The connection device as claimed in claim 1, wherein at least one stationary cable drum is provided for at least one of receiving and releasing the cable connection when the patient support is moved.
10. An annular PET detector comprising at least one connection device as claimed in claim 1.
11. The PET detector as claimed in claim 10, wherein at least one of the cable connection and at least one guide means is fed in at least one of a static and sliding fashion in at least one guide fastened on at least one of an outer and inner surface of the detector.
12. The PET detector as claimed in claim 10, wherein at least one stationary cable drum is provided on the end side of the PET detector for at least one of receiving and releasing the cable connection when the patient support is moved.
13. A magnetic resonance system comprising:
a magnet;
a patient support, movable into a patient compartment; and
a PET detector as claimed in claim 10, fastened in the patient compartment.
14. The magnetic resonance system as claimed in claim 13, wherein at least one stationary cable drum is provided on a cladding of the magnet for receiving or releasing the cable connection when the patient support is moved.
15. The magnetic resonance system as claimed in claim 13, wherein the patient support includes a patient table, movable relative to a table carriage, a local coil being fastenable on the patient table and a connector location being provided on the table carriage, the cable connection including a loop in the region of the connector location to compensate for movements of the patient table relative to the carriage.
16. The connection device as claimed in claim 3, further comprising at least one telescopable carrier element for holding at least one of the guide device and the cable connection.
17. A connection device for connecting electronics of a head coil arranged on a patient support to a connector location provided on the patient support, the head coil being insertable into a PET detector arranged in a magnetic resonance instrument to enable simultaneous magnetic resonance and PET recording, the connection device comprising:
a cable connection including at least one releasable device to attach the electronics and the connector location, the cable connection being feedible from the electronics through the annular PET detector and externally on the PET detector back to the connector location.
18. The connection device as claimed in claim 17, wherein at least one guide device, establishing the route of the cable connection, is provided.
19. The connection device as claimed in claim 17, wherein a tubular, geometrically stable guide device, at least partially enclosing the cable connection, is provided.
20. The connection device as claimed in claim 18, further comprising at least one telescopable carrier element for holding at least one of the guide device and the cable connection.
21. An annular PET detector comprising at least one connection device as claimed in claim 17.
22. A magnetic resonance system comprising:
a magnet;
a patient support, movable into a patient compartment; and
a PET detector as claimed in claim 21, fastened in the patient compartment.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A computer-mediated method for supplying image records from a collection, the method comprising:
receiving an output request from a user;
locating a set of image records in said collection corresponding to said request;
determining one or more constraints on said output;
ascertaining a respective value index of each of said image records in said set;
calculating a statistical measure of said value indexes of said set;
reducing in number the image records in said set responsive to said one or more constraints to provide a reduced set of image records;
optimizing said statistical measure during said reducing; and
providing the output using said reduced set of image records.
2. The method of claim 1 wherein said determining further comprises identifying an output device associated with said output request and said constraints include limitations of said output device.
3. The method of claim 2 wherein said constraints include a plurality of user preferences.
4. The method of claim 3 wherein said output includes one or both of hard copy output and soft copy output of said set of image records and said limitations of said output device include one or more of: limitations in hardware capabilities, limitations in user input capabilities, limitations in display capabilities, and network and communication bandwidth limitations; and said user preferences are predetermined and include one or more of: a preferred playback device, a preferred maximum output delay, and preferred characteristics of said image records in said output.
5. The method of claim 4 wherein said user preferences include a plurality of different sets of user preferences, each said set being applicable to a different one of a plurality of output devices inclusive of said identified output device.
6. The method of claim 4 wherein said user preferences are transferable in a user profile independent of said image records.
7. The method of claim 1 wherein said statistical measure is a pattern classification.
8. The method of claim 7 wherein said pattern classification is a Bayesian net.
9. The method of claim 1 further comprising partitioning said reduced set of image records into a plurality of clusters prior to providing said output.
10. The method of claim 9 further comprising:
partitioning said collection of image records into a set of clusters;
identifying in said output a subset of said clusters inclusive of said reduced set of image records;
accepting user input designating one of said identified clusters; and
identifying all of the respective records of said designated cluster in said collection, responsive to said user input.
11. The method of claim 1 further comprising:
partitioning said collection of image records into a first plurality of clusters prior to said receiving; and
partitioning said set of image records into a second plurality of clusters prior to said providing, said partitionings being algorithmically alike, said first plurality of clusters being different than said second plurality of clusters.
12. The method of claim 1 wherein said ascertaining further comprises:
reading value index metadata indicating respective value indexes of ones of said set of image records having said value index metadata; and
calculating the respective value indexes of other ones of said set of image records lacking said value index metadata.
13. The method of claim 1 wherein said ascertaining further comprises:
determining value index metadata indicating respective value indexes of said image records of said set;
computing one or more saliency features of respective said image records of said set;
modifying respective said value indexes responsive to respective said saliency features to provide modified value indexes; and
using said modified value indexes in said calculating and optimizing.
14. The method of claim 13 wherein said one or more saliency features include structural saliency features and semantic saliency features.
15. The method of claim 14 wherein said structural saliency features include more one or more of: color, brightness, texture, centrality, borderness, adjacency, surroundedness, occlusion, size, shape, and symmetry, image sharpness, image noise, contrast, presence or absence of dark background, scene balance, skin tone color, saturation, clipping, aliasing, and compression state; and said semantic saliency features include one or more of: presenceabsence of people or skin or faces, number of people, gender of people, age of people, redeye, eye blink, smile expression, head size, translation problem, subject centrality, scene type (such as indoor, city, and landscape), scene uniqueness relative to other image records, presence or absence of sky, presence or absence of grass or green vegetation, presence or absence of sports equipment, presence or absence of buildings, presence or absence of animals.
16. The method of claim 13 further comprising reading metadata associated with the image records of said set and wherein said modifying respective said value indexes is responsive to respective said saliency features and to said metadata.
17. The method of claim 16 wherein said metadata is one of capture related metadata and usage metadata.
18. An apparatus for supplying image records from a collection, the method comprising:
memory holding the collection of image records;
a user interface having one or more input controls and one or more output devices;
a control unit operatively connected to said memory and said user interface, said control unit including:
a component locating a set of image records in said collection corresponding to an output request received from a user via said user interface;
a component determining one or more constraints on said output;
a component ascertaining a respective value index of each of said image records in said set;
a component calculating a statistical measure of said value indexes of said set;
a component reducing in number the image records in said set responsive to said one or more constraints to provide a reduced set of image records;
a component optimizing said statistical measure during said reducing; and
a component providing the output to one of said output devices using said reduced set of image records.