Abstract: A method for image acquisition includes selectively concealing and exposing an X-ray source to a target object while the X-ray source travels along a first path and moving an X-ray detector along a second path in a first direction while the X-ray source is exposed to the target object. The method further includes moving the X-ray detector along the second path in a second direction generally opposite the first direction while the X-ray source is concealed from the target object.

Abstract: A process for deploying an anti-scattering grid in a mammograph is provided. The mammograph comprises a radiation source configured to emit radiation for taking mammographic images of a patient, a radiation detector comprising a network of sensors arranged periodically with a first pitch, and an anti-scattering grid arranged between the source and the detector, the anti-scattering grid comprising radiation adsorbing strips arranged parallel to each other and distributed periodically with a second pitch.

Abstract: A method for image acquisition includes selectively concealing and exposing an x-ray source to a target object while the x-ray source travels along a first path and moving an x-ray detector along a second path in a first direction while the x-ray source is exposed to the target object. The method further includes moving the x-ray detector along the second path in a second direction generally opposite the first direction while the x-ray source is concealed from the target object.

Abstract: A method for image acquisition includes selectively concealing and exposing an x-ray source to a target object while the x-ray source travels along a first path, virtually moving an x-ray detector along a second path in a first direction while the x-ray source is exposed to the target object, and virtually moving the x-ray detector along the second path in a second direction generally opposite the first direction while the x-ray source is concealed from the target object.

Abstract: A method of continuous motion digital tomosynthesis includes exposing an object to a programed intensity x-ray beam as an x-ray source travels a pre-determined path, accumulating a signal charge from the x-ray beam, recording the accumulated signal charge into a digital frame image representing raw baseline data, acquiring information on the source's and the detector's position when the recording occurs, compressing the raw baseline data into compressed views, where each respective compressed view is formed by combining the raw data readouts of the respective compressed view, and reconstructing a volumetric breast image by processing each respective compressed view with a reconstruction process function that incorporates the acquired position information and a spatial sampling corresponding to the compressed views. A system configured to implement the method and a computer-readable medium are also disclosed.

Abstract: A method for obtaining tomosynthesis images of an object of interest using an imaging system, wherein the imaging system comprises an X-ray source arranged to facing a detector on which the object of interest is positioned. The method comprises acquiring a plurality of projected 2D images of the object of interest in a plurality of orientations identified relative to a perpendicular to the detector, wherein a zero orientation is closest to the perpendicular and applying at least one filter to the acquired projected 2D images to obtain filtered, projection images of the object of interest. The method further comprises determining a reconstruction slice of the object of interest from the backprojection of at least two of the filtered projections, the set of reconstruction slices being the filtered, reconstructed volume of the object of interest, wherein a filter used on the 2D projection images is an adaptive filter.

Abstract: A method for imaging an organ with a medical imaging system comprising a radiation source, a detector facing the radiation source, an organ support and a compression paddle, wherein the compression paddle is smaller than the detector, the method comprising offsetting the compression paddle to a position towards a side edge of the detector, moving the radiation source along a trajectory, wherein the trajectory is above the compression paddle and dependent upon the position of the compression paddle, and acquiring images of the organ at several positions along the trajectory.

Abstract: A method for processing tomosynthesis images of an object of interest, using an imaging system, the imaging system comprising an X-ray source positioned facing a detector on which the object of interest is positioned. With the method of an embodiment of the invention, it is possible to display a three-dimensional (3D) reconstruction slice, as well as a two-dimensional (2D) image of the object of interest.

Abstract: A process for deploying an anti-scattering grid in a mammograph is provided. The mammograph comprises a radiation source configured to emit radiation for taking mammographic images of a patient, a radiation detector comprising a network of sensors arranged periodically with a first pitch, and an anti-scattering grid arranged between the source and the detector, the anti-scattering grid comprising absorption laminates of radiations arranged parallel to each other and distributed periodically with a second pitch. The process comprises: displacing the anti-scattering grid relative to the detector or displacing the detector relative to the anti-scattering grid during emission of radiation; and adapting the second pitch to the first pitch, wherein displacement is perpendicular to the direction of the laminates of the anti-scattering grid, the laminates being arranged parallel to a side of the anti-scattering grid positioned against the patient.

Abstract: A method for image acquisition includes selectively concealing and exposing an x-ray source to a target object while the x-ray source travels along a first path, virtually moving an x-ray detector along a second path in a first direction while the x-ray source is exposed to the target object, and virtually moving the x-ray detector along the second path in a second direction generally opposite the first direction while the x-ray source is concealed from the target object.

Abstract: A process for deploying an anti-scattering grid in a mammograph is provided. The mammograph comprises a radiation source configured to emit radiation for taking mammographic images of a patient, a radiation detector comprising a network of sensors arranged periodically with a first pitch, and an anti-scattering grid arranged between the source and the detector, the anti-scattering grid comprising radiation adsorbing strips arranged parallel to each other and distributed periodically with a second pitch.

Abstract: A method for assisted positioning of an organ is provided. An acquisition system comprises a platform underneath which a detector is placed for the acquisition of radiographic medical images, during which a radiation source is moved over different successive positions with respect to the detector, wherein at least one medical image is acquired at each position of the radiation source. The method comprises illuminating the platform with a light source of the acquisition system to assist the positioning of the organ on the platform; and determining, with a drive unit of the acquisition system, a positioning limit on the platform based on the distance separating the platform and a compression paddle used to compress the organ and based on the position of the light source relative to the detector, wherein the positioning limit on the platform is a limit beyond which the organ must not lie.

Abstract: A method for image acquisition includes selectively concealing and exposing an x-ray source to a target object while the x-ray source travels along a first path and moving an x-ray detector along a second path in a first direction while the x-ray source is exposed to the target object. The method further includes moving the x-ray detector along the second path in a second direction generally opposite the first direction while the x-ray source is concealed from the target object.

Abstract: A method for imaging an organ with a medical imaging system comprising a radiation source, a detector facing the radiation source, an organ support and a compression paddle, wherein the compression paddle is smaller than the detector, the method comprising offsetting the compression paddle to a position towards a side edge of the detector, moving the radiation source along a trajectory, wherein the trajectory is above the compression paddle and dependent upon the position of the compression paddle, and acquiring images of the organ at several positions along the trajectory.

Abstract: A method of continuous motion digital tomosynthesis includes exposing an object to a programed intensity x-ray beam as an x-ray source travels a pre-determined path, accumulating a signal charge from the x-ray beam, recording the accumulated signal charge into a digital frame image representing raw baseline data, acquiring information on the source's and the detector's position when the recording occurs, compressing the raw baseline data into compressed views, where each respective compressed view is formed by combining the raw data readouts of the respective compressed view, and reconstructing a volumetric breast image by processing each respective compressed view with a reconstruction process function that incorporates the acquired position information and a spatial sampling corresponding to the compressed views. A system configured to implement the method and a computer-readable medium are also disclosed.

Abstract: A method for assisted positioning of an organ is provided. An acquisition system comprises a platform underneath which a detector is placed for the acquisition of radiographic medical images, during which a radiation source is moved over different successive positions with respect to the detector, wherein at least one medical image is acquired at each position of the radiation source. The method comprises illuminating the platform with a light source of the acquisition system to assist the positioning of the organ on the platform; and determining, with a drive unit of the acquisition system, a positioning limit on the platform based on the distance separating the platform and a compression paddle used to compress the organ and based on the position of the light source relative to the detector, wherein the positioning limit on the platform is a limit beyond which the organ must not lie.

Abstract: A method for assisted positioning of an organ is provided. An acquisition system comprises a platform underneath which a detector is placed for the acquisition of radiographic medical images, during which a radiation source is moved over different successive positions with respect to the detector, wherein at least one medical image is acquired at each position of the radiation source. The method comprises illuminating the platform with a light source of the acquisition system to assist the positioning of the organ on the platform; and determining, with a drive unit of the acquisition system, a positioning limit on the platform based on the distance separating the platform and a compression paddle used to compress the organ and based on the position of the light source relative to the detector, wherein the positioning limit on the platform is a limit beyond which the organ must not lie.

Abstract: Method to process a set of tomosynthesis slices, comprising; acquiring images of an object of interest using a detector of a machine also comprising an X-ray emitter; reconstructing a set of tomosynthesis slices of the object using a calculator, in relation to the acquired images; displaying slices on a display monitor with a first display increment; selecting a region of interest in a slice of interest; and using a second display increment that is finer than the first display increment to display on the display monitor regions of interest belonging to slices in the set, the regions of interest corresponding to the selected region of interest.

Abstract: A method for obtaining tomosynthesis images of an object of interest using an imaging system, wherein the imaging system comprises an X-ray source arranged to facing a detector on which the object of interest is positioned. The method comprises acquiring a plurality of projected 2D images of the object of interest in a plurality of orientations identified relative to a perpendicular to the detector, wherein a zero orientation is closest to the perpendicular and applying at least one filter to the acquired projected 2D images to obtain filtered, projection images of the object of interest. The method further comprises determining a reconstruction slice of the object of interest from the backprojection of at least two of the filtered projections, the set of reconstruction slices being the filtered, reconstructed volume of the object of interest, wherein a filter used on the 2D projection images is an adaptive filter.

Abstract: A method for imaging an organ with a medical imaging system comprising a radiation source, a detector facing the radiation source, an organ support and a compression paddle, wherein the compression paddle is smaller than the detector, the method comprising offsetting the compression paddle to a position towards a side edge of the detector, moving the radiation source along a trajectory, wherein the trajectory is above the compression paddle and dependent upon the position of the compression paddle, and acquiring images of the organ at several positions along the trajectory.