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    • 1. 发明申请
    • A METHOD, AN APPARATUS AND A COMPUTER PROGRAM FOR DATA PROCESSING
    • 一种用于数据处理的方法,装置和计算机程序
    • WO2008065598A2
    • 2008-06-05
    • PCT/IB2007/054788
    • 2007-11-26
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBHYOUNG, StewartBYSTROV, DanielNETSCH, ThomasKAUS, MichaelPEKAR, Vladimir
    • YOUNG, StewartBYSTROV, DanielNETSCH, ThomasKAUS, MichaelPEKAR, Vladimir
    • G06T7/60
    • G06T7/149G06T7/12G06T7/70G06T2207/30016
    • The invention relates to a method for data processing. At stage 3 the position of the reference object in the reference image and its relation to a set of reference landmarks in the reference image is established at step 6. In order to enable this, the reference imaging of learning examples may be performed at step 2 and each reference image may be analyzed at step 4, the results may be stored in a suitably arranged database. In order to process the image under consideration, the image is accessed at step 11, the suitable landmark corresponding to the reference landmark in the reference image is identified at step 13 and the spatial relationship established at step 6 is applied to the landmark thereby providing the initial position of the object in the actual image. In case when for the object an imaging volume is selected, the method 1 according to the invention follows to step 7, whereby the scanning 17 is performed within the boundaries given by the thus established scanning volume. In case when for the object a model representative of the target is selected, the method 1 follows to the image segmentation step 19, whereby a suitable segmentation is performed. In case when for the model a deformable model is selected, the segmentation is performed by deforming the model thereby providing spatial boundaries of the target area. The invention further relates to an apparatus and a computer program for image processing.
    • 本发明涉及一种数据处理方法。 在阶段3,在步骤6中建立参考图像中的参考对象的位置及其与参考图像中的一组参考标记的关系。为了实现这一点,可以在步骤2执行学习示例的参考成像 并且可以在步骤4分析每个参考图像,结果可以存储在适当布置的数据库中。 为了处理所考虑的图像,在步骤11访问图像,在步骤13识别与参考图像中的参考标记相对应的合适地标,并将在步骤6建立的空间关系应用于地标,从而提供 物体在实际图像中的初始位置。 在对于物体选择成像体积的情况下,根据本发明的方法1遵循步骤7,由此在由这样建立的扫描体积给出的边界内执行扫描17。 在针对对象的情况下,选择了表示目标的模型,则对图像分割步骤19进行方法1,由此执行适当的分割。 在为模型选择可变形模型的情况下,通过使模型变形从而提供目标区域的空间边界来执行分割。 本发明还涉及一种用于图像处理的装置和计算机程序。
    • 6. 发明申请
    • A METHOD, A SYSTEM AND A COMPUTER PROGRAM FOR IMAGE SEGMENTATION
    • 一种用于图像分割的方法,系统和计算机程序
    • WO2007034346A2
    • 2007-03-29
    • PCT/IB2006/053141
    • 2006-09-07
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBHCOCOSCO, Christian, A.NETSCH, ThomasBYSTROV, DanielYOUNG, Stewart
    • COCOSCO, Christian, A.NETSCH, ThomasBYSTROV, DanielYOUNG, Stewart
    • G06T7/0012G06T7/11G06T7/149G06T2207/10072G06T2207/20081G06T2207/30004
    • The invention relates to a method 1 of image segmentation where in step 2 a prior model representative of a structure conceived to be segmented in an image is accessed. Preferably, the image comprises a medical diagnostic image. Still preferably, the medical diagnostic image is prepared in a DICOM format, whereby supplementary information is stored besides diagnostic data. In these cases the method 1 according to the invention advantageously proceeds to step 3, where the supplementary information is extracted from electronic file 5, comprising for example suitable patient-related information 5a and/or suitable structure-related information 5b. Examples of the patient-related information comprise a patient's age, sex, group, etc., whereas examples of the structure-related information may comprise an anatomic location of the structure, such as rectum, bladder, lung etc, or the suspected / diagnosed pathology of the patient. In an alternative embodiment of the method 1 according to the invention, the supplementary information is provided by a human operator in step 7, where he can enter suitable supplementary information 9a, 9b using a user interface 9. When the supplementary information is loaded, the method 1 according to the invention proceeds to step 4 in which the prior model is being changed using the supplementary information yielding a further model. In step 6 the method 1 performs the image segmentation using the thus obtained further model and in step 8 the results of the segmentation step may be visualized on a suitable viewer.
    • 本发明涉及一种图像分割的方法1,其中在步骤2中,访问代表在图像中被分割的结构的先前模型。 优选地,图像包括医学诊断图像。 更优选地,以DICOM格式准备医疗诊断图像,除了诊断数据之外还存储补充信息。 在这些情况下,根据本发明的方法1有利地进行到步骤3,其中从电子文件5中提取补充信息,包括例如合适的患者相关信息5a和/或合适的结构相关信息5b。 患者相关信息的示例包括患者的年龄,性别,组等,而结构相关信息的实例可以包括结构的解剖位置,例如直肠,膀胱,肺等或疑似/诊断的 患者病理。 在根据本发明的方法1的替代实施例中,补充信息由人类操作者在步骤7中提供,其中他可以使用用户界面9输入合适的补充信息9a,9b。当补充信息被加载时, 根据本发明的方法1进行到步骤4,其中使用产生另外的模型的补充信息来改变现有模型。 在步骤6中,方法1使用由此获得的另外的模型执行图像分割,并且在步骤8中,分割步骤的结果可以在合适的观看者上可视化。