Author: claimsbot

1. A servo track sensing system that corrects for radial incoherence, comprising:
a radial incoherence estimator receiving equalized servo data, and providing a radial incoherence estimate;
a sequence detector receiving the equalized servo data and the radial incoherence estimate, the sequence detector providing a sequence detector output; and
a correlator receiving the sequence detector output and providing correlator output data with a reduced level of errors due to radial incoherence.
2. The servo track sensing system of claim 1, further comprising:
an FIR filter receiving unequalized servo data and providing the equalized servo data, the FIR filter including an equalizer that equalizes over a single clock cycle (1T).
3. The servo tracking system of claim 2 wherein the unequalized servo data comprises track error data.
4. The servo track sensing system of claim 2 wherein the equalizer comprises an equalizer f that equalizes according to the formula:
f={circumflex over (K)}f\u22121{circumflex over (R)}sa({circumflex over (R)}aa)\u22121\u0108g \u03bbg+{circumflex over (K)}f\u22121\u0108f \u03bbf.
5. The servo track sensing system of claim 2 wherein the sequence detector comprises a Viterbi sequence detector and interpolation filters.
6. The servo track sensing system of claim 5 wherein the sequence detector samples the equalizer at viterbi detector branches.
7. The servo track sensing system of claim 1 wherein the sequence detector comprises a maximum likelihood sequence detector.
8. The servo track sensing system of claim 7 wherein the maximum likelihood sequence detector maximizes a maximum likelihood metric:
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9. The servo track sensing system of claim 7 wherein the maximum likelihood sequence detector minimizes a likelihood metric:
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10. A method of correcting for radial incoherence in servo data, comprising:
receiving equalized servo data at a radial incoherence estimator, and providing a radial incoherence estimate;
receiving the equalized servo data and the radial incoherence estimate at a sequence detector, and providing a sequence detector output; and
receiving the sequence detector output at a correlator and providing correlator output data with a reduced level of errors due to radial incoherence.
11. The method of claim 10, further comprising:
receiving unequalized servo data at an FIR filter and providing the equalized servo data, and the FIR filter providing equalization over a single clock cycle (1T) using an equalizer in the FIR filter.
12. The method of claim 11 further comprising:
providing position error signals as the unequalized servo data.
13. The method of claim 11 wherein the equalizer equalizes according to the formula:
f={circumflex over (K)}f\u22121{circumflex over (R)}sa({circumflex over (R)}aa)\u22121\u0108g \u03bbg+{circumflex over (K)}f\u22121\u0108f \u03bbf.
14. The method of claim 11 wherein the sequence detector comprises a Viterbi sequence detector and interpolation filters.
15. The method of claim 14 further comprising:
sampling the equalizer at viterbi detector branches with the sequence detector.
16. The method of claim 10 further comprising:
performing maximum likelihood sequence detection in the sequence detector.
17. The method of claim 16 further comprising:
maximizing a maximum likelihood metric:
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18. The method of claim 16 further comprising:
minimizing a metric
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19. A servo track sensing system that corrects for radial incoherence, comprising:
radial incoherence estimator means for receiving equalized servo data, and for providing a radial incoherence estimate;
sequence detector means for receiving the equalized servo data and the radial incoherence estimate, and for providing a sequence detector output; and
correlator means for receiving the sequence detector output and providing correlator output data with a reduced level of errors due to radial incoherence.
20. The servo track sensing system of claim 19, further comprising:
an FIR filter receiving unequalized servo data and providing the equalized servo data, the FIR filter including an equalizer that equalizes over a single clock cycle (1T).

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 blood chamber for an extracorporeal circuit comprising:
a blood containment chamber having a blood inlet and a blood outlet, said blood outlet being situated at a lower height than said blood inlet, said blood inlet being vertically arranged and said blood outlet being vertically arranged, said containment chamber being delimited by a first side wall having a recess with a deepest point situated above said blood inlet and a second side wall opposite said first side wall and situated above said blood outlet, said containment chamber having a bottom wall which is inclined and arranged between said blood inlet and said blood outlet, said bottom wall joining a lower edge of said blood inlet with a lower edge of said blood outlet, said bottom wall having a section with a constant inclination from said lower edge of said blood inlet to said lower edge of said blood outlet;
a blood inlet port situated below said containment chamber;
a first conduit connecting said blood inlet port to said blood containment chamber, said first conduit being conformed and arranged in order not to extend beyond a lateral dimension of said containment chamber, said first conduit having an end tract which terminates in said blood inlet, said end tract being curved and having at least a horizontal inlet component directed internally of said containment chamber towards said second side wall, said end tract nearing said blood outlet, said first conduit comprising a pre-terminal tract which precedes said end tract and which has at least a second horizontal component directed oppositely to said horizontal inlet component, said pre-terminal tract having at least an ascending vertical component, said pre-terminal tract developing in a distancing direction from said blood outlet, said pre-terminal tract being contiguous to said end tract, said end tract and said pre-terminal tract being part of a single curved tract, said first conduit having an ascending tract which precedes said pre-terminal tract and which has at least an ascending vertical component, said first conduit comprising a curve which connects said ascending vertical tract with said pre-terminal tract, a part of said pre-terminal tract extending in a parallel direction to said constantly inclined bottom wall;
a blood outlet port situated in an upper zone of said chamber;
a second conduit for connecting said blood outlet with said blood outlet port, said second conduit extending in a prevalently vertical direction, said second conduit being in remote lateral connection with said second side wall of said containment chamber.
2. The chamber of claim 1, wherein said single curved tract extends for an angle of curvature that is more than 90\xb0.
3. The chamber of claim 1, wherein said single curved tract extends for an angle of curvature that is less than 180\xb0.
4. The chamber of claim 1, wherein said blood inlet port is oriented downwards in order to receive an ascending blood flow.
5. The chamber of claim 1, wherein said blood outlet port is predisposed for outlet of a blood flow in a transport direction having at least an ascending vertical component.
6. The chamber of claim 1, formed in a single piece.
7. The chamber of claim 1, formed from a plastic material by blow-forming.
8. The chamber of claim 1, structured to be an arterial chamber of an extracorporeal blood circuit.
9. An extracorporeal blood circuit comprising at least a blood chamber made according to claim 1.
10. The circuit of claim 9, comprising an arterial line to which said blood chamber is associated.
11. A dialysis set comprising an extracorporeal blood circuit made according to claim 9.
12. An apparatus for extracorporeal blood treatment, comprising:
a blood treatment device;
an extracorporeal blood circuit for connecting a patient to said blood treatment device, said extracorporeal blood circuit comprising at least a blood chamber made according to claim 1; and
a circulation device for transporting the blood through said extracorporeal blood circuit.
13. The apparatus of claim 12, predisposed to perform one or more of the following treatments: hemodialysis, pure ultrafiltration, hemofiltration, hemodiafiltration, plasmapheresis, hemoperfusion, therapeutic plasma exchange.

1. An article of manufacture for authorized distribution of multimedia content comprising a non-transitory machine-readable medium having stored thereon instructions adapted to be executed by a processor, the instructions which, when executed, results in the processing comprising:
receiving at least one copy of content to be imperceptibly encoded with at least one digital watermark;
encoding the digital watermark into one or more locations in the content utilizing a key associated with a plurality of functions describing how the digital watermark is to be encoded and
detecting at least one digital watermark using the key.
2. The article of manufacture of claim 1, wherein said key is selected from the group comprising: a random key; a pseudo-random key; a candidate key; a watermark key; a watermarking key; a private key; a public key; a semiprivate key; a master framework key; and, a digital watermark key.
3. The article of manufacture of claim 1, wherein the encoded at least one digital watermark is associated with title, ownership, payment, distribution parameters, or uniquely identifiable information.
4. The article of manufacture of claim 1, wherein the encoded at least one digital watermark is integral with the encoded content.
5. The article of manufacture of claim 1, wherein a plurality of digital watermarks is encoded into one or more locations in the content.
6. The article of manufacture of claim 5, wherein at least one of the plurality of digital watermarks is accessible by a separate key.
7. The article of manufacture of claim 5, wherein each of the pluarilty of digital watermarks is encoded using separate keys.
8. The article of manufacture of claim 1, wherein at least one of the plurality of functions is upgradeable.
9. The article of manufacture of claim 1, further comprising an processor to generate information to identify the key used for encoding.
10. The article of manufacture of claim 1, further comprising a processor to generate information to reduce the computational expense to identify a key in a likely set of keys corresponding to the at least one key utilized in the encoding step.
11. The article of manufacture of claim 10, wherein the processor is bound by one of either heuristics or search scoring to reduce computational expense.
12. The article of manufacture of claim 1, further comprising a detector to detect or decoder the encoded at least one digital watermark.
13. A system for authorizing content comprising:
a receiver to receive a potentially watermarked signal;
a selector to select a portion of the potentially watermarked signal to detect a digital watermark; and,
a processor to determine the contents of the detected digital watermark with a key comprising at least one access privilege to the contents of the detected digital watermark.
14. The system of claim 13, wherein the detected digital watermark is hashed, encrypted, time stamped or signed.
15. The system of claim 13, wherein the detected digital watermark is authenticated, certified or verified by a third party to authorize the corresponding encoded content.
16. The system of claim 13, wherein said key is selected from the group of keys comprising: a random key; a candidate key; a pseudo-random key; a watermark key; a watermarking key; a private key; a public key; a semiprivate key; a master framework key; and, a digital watermark key.
17. The system of claim 13, wherein a plurality of digital watermarks are encoded in the potentially watermarked signal.
18. The system of claim 17, wherein each of the plurality of the digital watermarks is accessible using separate keys.
19. The system of claim 18, wherein said separate keys are selected from the group comprising: a random key; a candidate key; a pseudo-random key; a watermark key; a watermarking key; a private key; a public key; a semiprivate key; a master framework key; and, a digital watermark key.
20. The system of claim 13, wherein the key describes how the digital watermark is encoded in the potentially watermarked signal.
21. An article of manufacture for authorizing content comprising a non-transitory having stored thereon instructions adapted to be executed by a processor, the instructions which, when executed, results in the process comprising:
receiving a potentially watermarked signal;
selecting a portion of the potentially watermarked signal to detect a digital watermark; and,
determining the contents of the detected watermark with a key comprising at least one access privilege to the contents of the detected digital watermark.
22. The system of claim 13, wherein one of the key, the digital watermark, or both the key and digital watermark comprise information to upgrade the system.
23. A device for authorizing distribution of multimedia content comprising:
a receiver for receiving at least one copy of content to be imperceptibly encoded with at least one digital watermark;
an encoder for encoding the digital watermark into one or more locations in the content utilizing a key associated with a plurality of functions describing how the digital watermark is to be encoded; and
a detector to detect or decode at least one digital watermark using a key.
24. The device of claim 23, wherein said key is selected from the group comprising: a random key; a pseudo-random key; a candidate key; a watermark key; a watermarking key; a private key; a public key; a semiprivate key; a master framework key; and, a digital watermark key.
25. The device of claim 23, wherein the encoded at least one digital watermark is associated with title, ownership, payment, distribution parameters, or uniquely identifiable information.
26. The device of claim 23, wherein the encoded at least one digital watermark is integral with the encoded content.
27. The device of claim 23, wherein a plurality of digital watermarks is encoded into one or more locations in the content.
28. The device of claim 27, wherein at least one of the plurality of digital watermarks is accessible by a separate key.
29. The device of claim 27, wherein each of the plurality of digital watermarks is encoded using separate keys.
30. The device of claim 23, wherein at least one of the plurality of functions is upgradeable.
31. The device of claim 23, further comprising a processor to generate information to identify the key used for encoding.
32. The device of claim 23, further comprising a processor to generate information to reduce the computational expense to identify a key in a likely set of keys corresponding to the at least one key utilized in the encoding step.
33. The device of claim 32, wherein the processor is bound by one of either heuristics of search scoring to reduce computational expense.

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 system for generating a reconstruction of an object of interest, comprising
a shape model generator (1) for generating a shape model representing a shape of the object in dependence on a plurality of projections of the object; and
a reconstructor (2) for reconstructing the object, based on the projections, in dependence on the shape model to obtain the reconstruction of the object.
2. The system according to claim 1, wherein the reconstructor (2) comprises a clipping subsystem (3) for clipping an outside of the object from the reconstruction, based on the shape model.
3. The system according to claim 1, wherein the reconstructor (2) is arranged for reconstructing only an inside andor boundary of the object as defined by the shape model.
4. The system according to claim 3, wherein the reconstructor (2) comprises a back-projection reconstructor arranged for back-projecting the projection images only to voxels of the reconstruction which belong to the inside andor a boundary region of the object as defined by the shape model.
5. The system according to claim 1, wherein the reconstructor comprises
a soft-tissue reconstructor (4) for generating a reconstruction favoring soft tissue, based on the plurality of projections; and
a sparse reconstructor (5) for generating a reconstruction of sparse objects, based on the plurality of projections.
6. The system according to claim 5, wherein the soft-tissue reconstructor (4) is arranged for performing a back-projection or an iterative reconstruction on the basis of a regularization favoring soft tissue, andor the sparse reconstructor (5) is arranged for performing an iterative reconstruction on the basis of a regularization which favors sparse objects.
7. The system according to claim 5, wherein the reconstructor (2) further comprises a reconstruction combiner (6) for combining the soft-tissue reconstruction and the sparse reconstruction into a combined reconstruction showing the soft tissue with enhanced visualization of the sparse objects.
8. The system according to claim 1, wherein the object comprises at least part of an organ of a subject.
9. The system according to claim 8, wherein the object further comprises skin surface.
10. A medical workstation, comprising the system according to claim 1.
11. A medical image acquisition apparatus, comprising a scanner for acquiring projections, and a system according to claim 1.
12. A method of generating a reconstruction of an object of interest, comprising
generating (202) a shape model representing a shape of the object in dependence on a plurality of projections of the object; and
reconstructing (203) the object, based on the projections, in dependence on the shape model to obtain the reconstruction of the object.
13. A computer program product comprising instructions for causing a processor system to perform the method according to claim 12.