Radiological imaging device, method and program of control associated with the device
First Claim
Patent Images
1. A radiological imaging device, comprising:
- a. means for emission of an X-ray beam;
b. means for receiving the X-ray beam after the beam has crossed an object to be studied; and
c. means for calculation for controlling the means for emission and for processing data from the means for receiving;
d. wherein the object is placed between the means for receiving and a means for compression;
e. the means for compression being removably fixed on the device; and
f. the means for calculation including means for optimizing image quality over a particular area defined by the means for compression.
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Abstract
Radiological imaging device comprising an emitter of an X-ray beam and a receiver of the X-ray beam after it has crossed an organ, the organ being capable of being placed between the receiver and a compression element, capable of being removably fixed on the device. A calculation unit includes a means for optimizing the image quality over a particular area defined by the compression element.
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Citations
15 Claims
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1. A radiological imaging device, comprising:
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a. means for emission of an X-ray beam; b. means for receiving the X-ray beam after the beam has crossed an object to be studied; and c. means for calculation for controlling the means for emission and for processing data from the means for receiving; d. wherein the object is placed between the means for receiving and a means for compression; e. the means for compression being removably fixed on the device; and f. the means for calculation including means for optimizing image quality over a particular area defined by the means for compression. - View Dependent Claims (2, 3)
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4. A radiological imaging device comprising;
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a. means for emission of an X-ray beam; b. means for receiving the X-ray beam after the beam has crossed an object to be studied; c. an element having a given X-ray absorption removably fixed on the device; and d. means for calculation for controlling the means for emission and for processing data from the means for receiving, the means for calculation including means for optimizing image quality over a particular area defined by the element. - View Dependent Claims (5)
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6. A radiological imaging method, in which a compression element for an object is mounted on a radiological device having means for emission of an X-ray beam and means for receiving the X-ray beam after the beam has crossed the object to be studied and means for calculation for controlling the means for emission and for processing data from the means for receiving, comprising the steps for:
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a. placing the object between the means for receiving and the compression element; b. taking a first radiological image of the object; and c. processing the first radiological image in order to optimize image quality over a particular area defined by the compression element. - View Dependent Claims (7, 8, 9)
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10. A radiological imaging process, in which an element having a given X-ray absorption is placed in a path of an X-ray beam of a radiological device, the radiological device comprising means for emission of the X-ray beam and means for receiving the X-ray beam after the beam has crossed an object to be studied and means for calculation for controlling the means for emission and for processing data from the means for receiving, comprising the steps for:
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a. placing the object in the path of the X-ray beam; b. taking a first radiological image of the object and; c. processing the first radiological image in order to optimize image quality on a particular area defined by the element.
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11. An article of manufacture comprising:
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a. a computer useable medium having computer readable program code means embodied therein for taking a first radiological image by a device having means for emission of an X-ray beam and means for receiving the X-ray beam after the beam has crossed an object to the studied, wherein the object is disposed between the means for emission and a means compression, and means for calculation for controlling the means for emission and means for processing data from the means for receiving; and b. the computer readable program code means processing the first radiological image for optimizing the image quality over a particular area defined by the means for compression. - View Dependent Claims (12, 13, 14)
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15. A program storage device readable by a machine, tangibly embodying a program of instructions executable by the machine to perform method steps for taking a radiological image of an object, the method steps comprising:
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a. forming a real histogram of the image; b. establishing a mathematical model of an image chain; c. determining parameters of the object by calculation; d. determining parameters for an acquisition of the image; e. determining parameters of a means for receiving; f. determining parameters for positioning of the device; g. determining two gray levels values, min_gray and max_gray, taken in a particular area and delimiting a gray area; h. eliminating a part below min_gray and a part above max_gray in the histogram in order to obtain a limited histogram; i. applying a set of rules to the limited histogram in order to determine a WL brightness level; and h. obtaining a WW contrast from the WL brightness level and possible from one or more parameters chosen by the user or fixed a priori.
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Specification