Patent application number | Description | Published |
20100135544 | Method of registering images, algorithm for carrying out the method of registering images, a program for registering images using the said algorithm and a method of treating biomedical images to reduce imaging artefacts caused by object movement - In a method for registering biomedical images such as at least a first and a second digital or digitalized image or set of cross-sectional images of the same object, within the first image or set of images a certain number of landmarks, so called features are individuated by selecting a certain number of pixels or voxels. The position of each pixel or voxel selected as a feature is tracked from the first to the second image or set of images by determining the optical flow vector from the first to the second image or set of images for each pixel or voxel selected as a feature. Registration of the first and second images or set of images is carried out by applying the inverse optical flow to the pixels or voxels of the second image or set of images. The invention provides for an automatic trackable landmark selection step consisting in defining a pixel or voxel neighbourhood around each pixel or voxel of the first image or first set of cross-sectional images; for each target pixel or voxel determining one or more characteristic parameters which are calculated as a function of the parameters describing the appearance of the said target pixel or voxel and of each or a part of the pixels or voxels of the window and as a function of one or more characteristic parameters of either the numerical matrix or of a transformation of the said numerical matrix representing the pixels or voxels of the said window. The pixels or voxels coinciding with validly trackable landmarks are determined as a function of the said characteristic parameters of the target pixels or voxels. | 06-03-2010 |
20100138422 | Image processing system, particularly for use with diagnostic images - An image processing system particularly for use with diagnostic images, comprises at least one processing unit, which receives digital images acquired by one or more imaging apparatus and provides output images, processed by means of an image processing program loaded in the memory of the processing unit and executed thereby, characterized in that it consists of a central service unit, comprising an interface to be accessed by remote users, which connect to said central unit by remote communication means. | 06-03-2010 |
20110100880 | Method and Apparatus for Producing Stationary Intense Wave Fields of Arbitrary Shape - Method for producing a stationary wave field of arbitrary shape comprising the steps of defining at least one volume being limited in the direction of the axis of propagation of a beam, of the type 0≦z≦L; defining an intensity pattern within the said region 0≦z≦L by a function F(z), describing the said localized and stationary intensity pattern, which is approximated by means of a Fourier expansion or by a similar expansion in terms of (trigonometric) orthogonal functions; providing a generic superposition of Bessel or other beams highly transversally confined; calculating the maximum number of superimposed Bessel beams the amplitudes, the phase velocities and the relative phases of each Bessel beam of the superposition, and the transverse and longitudinal wavenumbers of each Bessel beam of the superposition. | 05-05-2011 |
Patent application number | Description | Published |
20100234834 | Device for localized thermal ablation of biological tissues, particularly tumoral tissues or the like - Device for localized thermal ablation of lesion tissues, particularly tumoral tissues or the like, which device comprises: a probe or needle intended to be positioned with the end tip at the lesion tissue or tumoral tissue area to be removed; which probe or needle support at least a light guide as an elongated member like a thin wire or thread, one of the ends thereof is an end emitting heating electromagnetic energy and which light guide ends at said end of the probe or needle by a tip irradiating said electromagnetic energy, particularly as a laser light and the other end thereof is connected to a source generating the electromagnetic energy; means for controlling the activation/deactivation of the source generating the electromagnetic energy. Characterized in that in combination it comprises means for the controlled distribution of the heating action on the lesion tissue area generated by the electromagnetic energy emitted by the irradiating tip inside a volume having a predetermined size. The invention relates also to a method for localized thermal ablation. | 09-16-2010 |
20100241111 | Device for localized thermal ablation of biological tissues, particularly tumoral tissues or the like - Device for localized thermal ablation of lesion tissues, particularly tumoral tissues or the like, which device comprises: a probe or needle intended to be positioned with the end tip at the lesion tissue or tumoral tissue area to be removed; which probe or needle support at least a light guide as an elongated member like a thin wire or thread, one of the ends thereof is an end emitting heating electromagnetic energy and which light guide ends at said end of the probe or needle by a tip irradiating said electromagnetic energy, particularly as a laser light and the other end thereof is connected to a source generating the electromagnetic energy; means for controlling the activation/deactivation of the source generating the electromagnetic energy. Characterized in that in combination it comprises means for monitoring the heating action on the lesion tissue area generated by the electromagnetic energy emitted by the irradiating tip inside a volume having a predetermined size and operating on the basis of a transferring function of generated heat on a measuring sensor provided at a predetermined distance and position with respect to the source emitting the electromagnetic irradiation. | 09-23-2010 |
20100280505 | Device for Localized Thermal Ablation of Biological Tissue, Particularly Tumoral Tissues or the Like - Device for localized thermal ablation of lesion tissues, particularly tumoral tissues or the like, which device comprises: a probe or needle intended to be positioned with the end tip at the lesion tissue or tumoral tissue area to be removed; which probe or needle support at least a light guide as an elongated member like a thin wire or thread, one of the ends thereof is an end emitting heating electromagnetic energy and which light guide ends at said end of the probe or needle by a tip irradiating said electromagnetic energy, particularly as a laser light and the other end thereof is connected to a source generating the electromagnetic energy; means for controlling the activation/deactivation of the source generating the electromagnetic energy. Characterized in that it comprises in combination means for controlled distribution of the heating action on the lesion tissue area generated by the electromagnetic energy emitted by the irradiating tip inside a volume having a predetermined size, which means are composed of a fluid or a mixture or a combination of heat storing and/or conveying fluids or substances there being provided means for distributing, conveying and/or containing said fluid or fluids or said substance or substances inside the area to be treated or for conveying or containing said fluid or fluids or said substance or substances outside the area to be treated. | 11-04-2010 |