# US 2010/0166285 A1 · System and method for acquiring image data

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- Number: US 2010/0166285 A1
- Document ID: US20100166285A1
- Status: Published application
- Kind: A1
- Application number: 12/377,145
- Filed: 2007-08-07
- Published: 2010-07-01
- Earliest claimed: 2006-08-11
- Assignees: Koninklijke Philips Electronics N.V.
- Inventors: Jens-Peter Schlomka; Axel Thran
- Web page: https://patentgrep.com/patent/US20100166285A1

## CPC

- G01V 5/222: measuring scattered radiation
- G01T 1/1644: {using an array of optically separate scintillation elements permitting direct location of scintillations (G01T1/1645 takes precedence)}
- G01V 5/226: using tomography
- G01V: GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS (means for indicating the location of accidentally buried, e.g. snow-buried, persons A63B29/02)
- G01T: MEASUREMENT OF NUCLEAR OR X-RADIATION (radiation analysis of materials, mass spectrometry G01N23/00; tubes for determining the presence, intensity, density or energy of radiation or particles H01J47/00)

## Abstract

According to an exemplary embodiment an imaging system (100) for examining an object under examination comprises a scanning unit, wherein the scanning unit comprises a radiation source (106, 108), and a detection unit (107, 109), wherein the scanning unit is adapted to emit a radiation beam (123), which radiation beam follows a linear movement of the object under examination such that a predetermined region of the object under examination is scanned while the object under examination moves.

## Claims

### Claim 1

An imaging system (100) for examining an object under examination, the system (100) comprising:
a scanning unit, the scanning unit comprising;
a radiation source (106, 108); and
a detection unit (107, 109);
wherein the scanning unit is adapted to emit a radiation beam (123), wherein the radiation beam (123) follows a linear movement of the object under examination such that a predetermined region of the object under examination is scanned while the object under examination moves.

### Claim 2 (depends on 1)

The imaging system (100) of claim 1, further comprising:
a pre-scanning unit (101), the pre-scanning unit (101) comprising:
a further radiation source (103); and
a further detection unit (104);
wherein the pre-scanning unit (101) is adapted to acquire a first data set indicative of a three-dimensional image of the object under examination.

### Claim 3 (depends on 2)

The imaging system (100) according to claim 2, further comprising:
a reconstruction unit,
wherein the reconstruction unit is adapted to reconstruct an image of the object under examination from the first data set.

### Claim 4 (depends on 1)

The imaging system (100) according to claim 1, further comprising:
a determination unit,
wherein the determination unit is adapted to determine the predetermined region of the object under examination.

### Claim 5 (depends on 1)

The imaging system (100) according to claim 1,
wherein the radiation source (106, 108) is an X-ray tube; and
wherein the detection unit (107, 109) is an X-ray detection unit,
wherein the X-ray detection unit (107, 109) is adapted to acquire a second data set by detecting radiation emitted by the X-ray tube (106, 108) and after being scattered by the object under examination.

### Claim 6 (depends on 1)

The imaging system (100) according to claim 1, further comprising:
a guideway (118, 119, 120, 121);
wherein the scanning unit is adapted to be moved linearly along the guideway (118, 119, 120, 121) at a predetermined speed.

### Claim 7 (depends on 6)

The imaging system (100) according to claim 6, further comprising:
a control unit,
wherein the control unit is adapted to control the velocity of the scanning unit.

### Claim 8 (depends on 7)

The imaging system (100) according to claim 7, further comprising:
a transport mechanism (135),
wherein the control unit is adapted to control the velocity of the transport mechanism.

### Claim 9 (depends on 6)

The imaging system (100) according to claim 6, further comprising:
a plurality of scanning units, and
a plurality of guideways (118, 119, 120, 121),
wherein each of the plurality of guideways (118, 119, 120, 121) is adapted to receive a respective one of the plurality of scanning units in a linearly moveable manner.

### Claim 10 (depends on 9)

The imaging system (100) according to claim 9,
wherein each of the plurality of scanning units are displaced relative to each other.

### Claim 11 (depends on 1)

The imaging system (301) according to claim 1,
wherein the radiation source (302) is adapted that the radiation beam (304) of the scanning unit is tiltable.

### Claim 12 (depends on 11)

The imaging system (301) according to claim 11, further comprising:
a control unit;
wherein the control unit is adapted to tilt the radiation source (302) of the scanning unit such that the radiation beam (304) of the radiation source (302) scans the predetermined region of the object under examination.

### Claim 13 (depends on 11)

The imaging system (301) according to claim 11, further comprising:
a guideway;
wherein the detection unit (310) of the scanning unit is attached in a moveable manner on the guideway.

### Claim 14 (depends on 13)

The imaging system (301) according to claim 13,
wherein the detection unit (310) of the scanning unit is moveable such that it follows the radiation of the radiation source (302) during the tilting of the radiation source (302).

### Claim 15 (depends on 14)

The imaging system (301) according to claim 14,
wherein the detection unit (310) of the scanning unit is moveable in a direction substantially perpendicular to the linear movement of the object under examination.

### Claim 16 (depends on 11)

The imaging system (302) according to claim 11,
wherein the detection unit (310) has a dimension which is sufficient so that the radiation of the radiation source (302) impinges the detection unit (310) along the whole tilting of the radiation source (302).

### Claim 17

A method for acquiring image data of an object under examination using an imaging system (100) which comprises a scanning unit and a detection unit (107, 109), and wherein the scanning unit comprises a radiation source (106, 108), the method comprising:
following a linear movement of the object under examination with the radiation of the radiation source (106, 108) such that a predetermined region of the object under examination is scanned while the object under examination moves linearly; and
acquiring image data indicative of the object under examination while the radiation of the radiation source (106, 108) follows the linear movement of the object under examination.

### Claim 18 (depends on 17)

A computer readable medium in or on which a computer program for acquiring image data of an object under examination is provided, the program performing the method of claim 17.

### Claim 19 (depends on 17)

A computer program for acquiring image data of an object under examination, the program performing the method of claim 17.
