Method for acquisition of radiological data in multiple orthogonal orientations using a 2D detector relating to a body irradiated with x-rays and for reconstruction of structures corresponding to said body using an algebraic algorithm

Claim 1

A method for acquisition of radiological data relating to a body irradiated with x-rays and for reconstruction of images of structures corresponding to said body in order to display said images of said structures, wherein, for the purpose of acquisition, said method comprises the steps of: a) directing a flux of x-rays to the body by means of a transmitter, said flux having a principal direction of irradiation with regard to said body, b) detecting a first view relating to a first given orientation of the principal direction with respect to the body by means of a two dimensional detector which is maintained opposite to the transmitter, said first view being constituted by a collection of data which are a function of the coordinates of loci on said detector and a function of the attenuation within the body of that portion of the x-rays which terminates at said loci, c) reiterating, prior to reconstruction, the preceding steps a) and b) for second and third principal directions, for producing second and third collections of data, said first, second, and third directions oriented so that a plane formed by any two of said directions, intersects the remaining principal direction, d) and wherein, for the purpose of reconstruction, an algebraic reconstuction algorithm is employed utilizing said first, second, and third collections of data to reconstruct one image.

Claim 2

A method for acquisition of radiological data relating to a body irradiated with x-rays and for reconstruction of images of structures corresponding to said body in order to display said images of said structures, wherein, for the purpose of acquisition, said method comprises the steps of: a) directing a flux of x-rays to the body by means of a transmitter, said flux having a principal direction of irradiation with regard to said body, b) detecting a first view relating to a first given orientation of the principal direction with respect to the body by means of a two dimensional detector which is maintained opposite to the transmitter, said first view being constituted by a collection of data which are a function of the coordinates of loci on said detector and a function of the attenuation within the body of that portion of the x-rays which terminates at said loci, c) reiterating, prior to reconstruction, the preceding steps a) and b) for second and third principal directions, for producing second and third collections of data, said first, second, and third directions oriented so that a plane formed by any two of said directions, intersects the remaining principal direction, d) and wherein, for the purpose of reconstruction, an algebraic reconstuction algorithm is employed utilizing said first, second, and third collections of data to reconstruct one image.

Claim 6

A method for acquisition of radiological data relating to a body irradiated with x-rays and for reconstruction of images of structures corresponding to said body in order to display said images of said structures, wherein, for the purpose of acquisition, said method comprises the steps of: a) directing a flux of x-rays to the body by means of a transmitter, said flux having a principal direction of irradiation with regard to said body, b) detecting a first view relating to a first given orientation of the principal direction with respect to the body by means of a two dimensional detector which is maintained opposite to the transmitter, said first view being constituted by a collection of data which are a function of the coordinates of loci on said detector and a function of the attenuation within the body of that portion of the x-rays which terminates at said loci, c) reiterating, prior to reconstruction, the preceding steps a) and b) for second and third principal directions, for producing second and third collections of data, said first, second, and third directions oriented so that a plane formed by any two of said directions intersects the remaining principal direction, said plane formed by any two of said principal directions being substantially at right angles to said remaining principal direction, d) and wherein, for the purpose of reconstruction, an algebraic reconstruction algorithm is employed utilizing said first, second, and third collections of data.

Claim 7

A method for acquisition of radiological data relating to a body irradiated with x-rays and for reconstruction of images of structures corresponding to said body in order to display said images of said structures, wherein, for the purpose of acquisition, said method comprises the steps of: a) directing a flux of x-rays to the body by means of a transmitter, said flux having a principal direction of irradiation with regard to said body, b) detecting a first view relating to a first given orientation of the principal direction with respect to the body by means of a two dimensional detector which is maintained opposite to the transmitter, said first view being constituted by a collection of data which are a function of the coordinates of loci on said detector and a function of the attenuation within the body of that portion of the x-rays which terminates at said loci, c) reiterating, prior to reconstruction, the preceding steps a) and b) for second and third principal directions, for producing second and third collections of data, said first, second, and third directions oriented so that a plane formed by any two of said directions intersects the remaining principal direction, said plane formed by any two of said principal directions being substantially at right angles to said remaining principal direction, d) and wherein, for the purpose of reconstruction, an algebraic reconstruction algorithm is employed utilizing said first, second, and third collections of data.

Claim 8

A method for acquisition of radiological data relating to a body irradiated with x-rays and for reconstruction of images of structures corresponding to said body in order to display said images of said structures, wherein, for the purpose of acquisition, said method comprises the steps of: a) directing a flux of x-rays to the body by means of a transmitter, said flux having a principal direction of irradiation with regard to said body, b) detecting a first view relating to a first given orientation of the principal direction with respect to the body by means of a two dimensional detector which is maintained opposite to the transmitter, said first view being constituted by a collection of data which are a function of the coordinates of loci on said detector and a function of the attenuation within the body of that portion of the x-rays which terminates at said loci, c) reiterating, prior to reconstruction, the preceding steps a) and b) for the second and third principal directions, said second and third principal directions having different relative orientations with respect to said body, and for producing second and third collection of data, said first, second, and third principal directions oriented so that they are orthogonal to each other, d) reconstructing at least one image from said first, second, and third collections of data using an algebraic reconstruction algorithm.

Claim 9

A method for acquisition of radiological data relating to a body irradiated with x-rays and for reconstruction of images of structures corresponding to said body in order to display said images of said structures, wherein, for the purpose of acquisition, said method comprises the steps of: a) directing a flux of x-rays to the body by means of a transmitter, said flux having a principal direction of irradiation with regard to said body, b) detecting a first view relating to a first given orientation of the principal direction with respect to the body by means of a two dimensional detector which is maintained opposite to the transmitter, said first view being constituted by a collection of data which are a function of the coordinates of loci on said detector and a function of the attenuation within the body of that portion of the x-rays which terminates at said loci, c) reiterating, prior to reconstruction, the preceding steps a) and b) for the second and third principal directions, said second and third principal directions having different relative orientations with respect to said body, and for producing second and third collection of data, said first, second, and third principal directions oriented so that they are orthogonal to each other, d) reconstructing at least one image from said first, second, and third collections of data using an algebraic reconstruction algorithm.

Claim 13

A method for acquisition of radiological data relating to a body irradiated with x-rays and for reconstruction of images of structures corresponding to said body in order to display said images of said structures, wherein, for the purpose of acquisition, said method comprises the steps of: a) directing a flux of x-rays to the body by means of a transmitter, said flux having a principal direction of irradiation with regard to said body, b) detecting a first view relating to a first given orientation of the principal direction with respect to the body by means of a two dimensional detector which is maintained opposite to the transmitter, said first view being constituted by a collection of data which are a function of the coordinates of loci on said detector and a function of the attenuation within the body of that portion of the x-rays which terminates at said loci, c) reiterating, prior to reconstruction, the preceding steps a) and b) for second and third principal directions, said second and third principal directions lying in a plane which is perpendicular to said first principal direction, and for producing second and third collections of data; d) reconstructing at least one image from said first, second, and third collections of data using an algebraic reconstruction algorithm.

Claim 14

A method for acquisition of radiological data relating to a body irradiated with x-rays and for reconstruction of images of structures corresponding to said body in order to display said images of said structures, wherein, for the purpose of acquisition, said method comprises the steps of: a) directing a flux of x-rays to the body by means of a transmitter, said flux having a principal direction of irradiation with regard to said body, b) detecting a first view relating to a first given orientation of the principal direction with respect to the body by means of a two dimensional detector which is maintained opposite to the transmitter, said first view being constituted by a collection of data which are a function of the coordinates of loci on said detector and a function of the attenuation within the body of that portion of the x-rays which terminates at said loci, c) reiterating, prior to reconstruction, the preceding steps a) and b) for second and third principal directions, said second and third principal directions lying in a plane which is perpendicular to said first principal direction, and for producing second and third collections of data; d) reconstructing at least one image from said first, second, and third collections of data using an algebraic reconstruction algorithm.