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1. 发明专利

JP2012254243A Image collator, patient positioner and image verification method 有权
标题翻译：图像收缩器，患者定位器和图像验证方法
公开(公告)号：JP2012254243A
公开(公告)日：2012-12-27
申请号：JP2011130074
申请日：2011-06-10
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： HIRASAWA HIROSUKE
IPC分类号： A61B6/03 , A61N5/10 , G06T1/00
摘要： PROBLEM TO BE SOLVED: To achieve a high-precision double-stage pattern matching (double-stage collation) even if the tomographic images of a present three-dimensional image are less in number than the three-dimensional reference image when positioning a patient under radiation therapy.SOLUTION: The image collator has a collating part 22 to collate the three-dimensional reference image with a present three-dimensional image, and calculate the body position or posture correction quantities necessary for an affected bodily part on the present image to match that on the reference image. The collating part 22 includes a primary collating part 16 for making the primary collation of the reference image with the present image, and a secondary collator 17 for making the secondary collation of a predetermined template area produced as a result of primary collation of one of the reference or present image with a specified search area produced as a result of primary collation of the other of reference or present image area not producing the specified template area as a result of primary collation.
摘要翻译：要解决的问题：为了实现高精度双级模式匹配（双级对照），即使当定位时三维图像的断层图像数量少于三维参考图像放射治疗患者。解决方案：图像对准器具有对照部分22，以将三维参考图像与当前的三维图像进行核对，并且计算当前图像上的受影响的身体部分所需的身体位置或姿势校正量以匹配在参考图像上。对照部分22包括用于使参考图像与当前图像进行一次核对的主对照部分16和用于对作为第一对照的一个对象产生的预定模板区域进行二次核对的二次整理器17。作为原始核对的结果，作为不产生指定模板区域的另一个参考或当前图像区域的一次排序而产生的具有指定搜索区域的参考或呈现图像。版权所有（C）2013，JPO＆INPIT

2. 发明专利

JP2010068908A Particle therapy apparatus 有权
标题翻译：颗粒治疗装置
公开(公告)号：JP2010068908A
公开(公告)日：2010-04-02
申请号：JP2008237791
申请日：2008-09-17
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： PU YUEHU , HARADA HISASHI , OTANI TOSHIHIRO , HIRASAWA HIROSUKE , IKUTA KOICHI , HONDA YASUZO , TAKAHASHI OSAMU , HAGINO GO , OTANI KOJI
IPC分类号： A61N5/10 , G21K1/04 , G21K5/04
摘要： PROBLEM TO BE SOLVED: To provide a particle therapy apparatus using a multileaf collimator capable of confirming the leaf opening shape of the multileaf collimator easily and accurately.
SOLUTION: A first lighting means 5, a second lighting means 6, and a photographing means 7 are mounted on an upstream side of a multileaf collimator 3 to a particle beam irradiation direction, and the switching of two lighting means are controlled by a lighting control means 9 from the rotation angle information of the multileaf collimator 3 detected by a rotation angle detecting means 10 in order to prevent a strong diffused reflection of the light from a leaf 3a. Additionally, a patient compensator interrupting means 11 is mounted between a patient compensator 4 and the multileaf collimator 3, and the patient compensator 4 is prevented from imaging on the photographed image of the multileaf collimator 3, and the light invasion is prevented from the outside of an irradiation nozzle 100, and the reflection of the light from the lighting means 5 and 6 is prevented, so that a clear photographed image of the multileaf collimator 3 can be obtained to confirm the leaf opening shape easily and accurately.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种使用能够容易且准确地确认多叶准直器的叶开口形状的多叶准直器的粒子治疗装置。解决方案：第一照明装置5，第二照明装置6和拍摄装置7安装在多叶准直器3的上游侧到粒子束照射方向，两个照明装置的切换由根据由旋转角度检测装置10检测到的多叶准直器3的旋转角度信息的发光控制装置9，以防止来自叶片3a的光的强烈的漫反射。此外，患者补偿器中断装置11安装在患者补偿器4和多叶准直器3之间，并且防止患者补偿器4对多叶准直器3的拍摄图像进行成像，并且防止光入射到照射喷嘴100，并且防止来自照明装置5和6的光的反射，从而可以获得多叶准直器3的清晰的拍摄图像，以便容易且准确地确认叶片打开形状。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2008026974A Person tracking device 审中-公开
标题翻译：人员跟踪设备
公开(公告)号：JP2008026974A
公开(公告)日：2008-02-07
申请号：JP2006195877
申请日：2006-07-18
申请人： Mitsubishi Electric Corp , Univ Of Tokyo , 三菱電機株式会社 , 国立大学法人東京大学
发明人： HIRASAWA HIROSUKE , KAGE YASUSHI , SUZUKI NAOHIKO , SATO YOICHI , KOBAYASHI TAKAKUNI , SUGIMURA DAISUKE
IPC分类号： G06T7/20 , G06T1/00 , G06T7/00 , H04N7/18
摘要： PROBLEM TO BE SOLVED: To provide a person tracking device which can track a person at increased tracking accuracy without deteriorating the tracking speed of the person. SOLUTION: The person tracking device includes a head position initialization part 11, a head hypothetic position generation part 12 and a head hypothetic position evaluation part 14. When the head position initialization part 11 detects a person who has framed-in a monitored image, the head hypothetic position generation part 12 uses a particle filter to estimate the state transition of the person detected by the head position initialization part 11 and generates the N pieces of hypotheses showing the state of the person at a time t. The head hypothetic position evaluation part 14 selects an identifier which is applied to the hypothesis generated by the head hypothetic position generation part 12 from among the plurality of identifiers, and integrates the N pieces of hypotheses based on the identification result of the identifier, and tracks the person by using the integrated hypotheses. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够以更高跟踪精度跟踪人的人追踪装置，而不会降低人的跟踪速度。人物跟踪装置包括头部位置初始化部分11，头部假想位置产生部分12和头部假想位置评估部分14.当头部位置初始化部分11检测到已被框架的人被监视时头假想位置产生部分12使用粒子滤波器来估计由头部位置初始化部分11检测到的人的状态转变，并产生显示在时间t的人的状态的N个假设。头假想位置评估部14从多个标识符中选择应用于由头假设位置生成部12生成的假设的标识符，并且基于标识符的识别结果对N个假设进行积分，并且追踪该人使用综合假设。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2007025935A Image-detecting device 审中-公开
标题翻译：图像检测装置
公开(公告)号：JP2007025935A
公开(公告)日：2007-02-01
申请号：JP2005205226
申请日：2005-07-14
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： HIRASAWA HIROSUKE , KAGE YASUSHI , HASHIMOTO MANABU , SHINBOU KENICHI , MATSUOKA NOBUYUKI , TANAKA KENJI
IPC分类号： G06T1/00 , G06T5/00 , G06T7/00 , H04N1/407
摘要： PROBLEM TO BE SOLVED: To provide an image-detecting device which very precisely detects a part in which a face is painted from an image. SOLUTION: The image-detecting device 10 is provided with; an original image acquisition part 12 which acquires an original image from which a face part is detected; an original image tone curve correction part 22 which makes a correction to the original image by using a first tone curve line to generate a corrected original image; a face image generation part 24 which detects a face part in the corrected original image and generates a face image; a face image tone curve correction part 26 which makes a correction to the face image by using one of a plurality of second tone curve lines and generates a plurality of corrected face images to which different corrections are made; a face image evaluation part 28 which evaluates the certainty of a face image for each of the plurality of corrected face images; and a tone curve line computation part 30 which computes the first tone curve line based on the second tone curve line which the face image tone curve correction part applies to a corrected face image to which the face image evaluation part gives the highest evaluation. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种图像检测装置，其非常精确地检测从图像中涂上脸部的部分。
解决方案：图像检测装置10设置有：原始图像获取部12，其获取检测到脸部的原始图像; 原始图像色调曲线校正部分22，通过使用第一色调曲线对原始图像进行校正以产生校正的原始图像; 面部图像生成部24，其检测修正后的原图像中的脸部，生成面部图像; 面部图像色调曲线校正部26，其通过使用多个第二色调曲线中的一个对面部图像进行校正，并生成对其进行不同的校正的多个校正脸部图像; 面部图像评价部28，评价多个校正面部图像中的每一个的面部图像的确定性; 以及基于面部图像色调曲线校正部分应用于面部图像评价部分给出最高评价的校正脸部图像的第二色调曲线计算第一色调曲线的色调曲线计算部分30。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2010246883A Patient positioning system 审中-公开
标题翻译：患者定位系统
公开(公告)号：JP2010246883A
公开(公告)日：2010-11-04
申请号：JP2009185607
申请日：2009-08-10
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： YAMAKOSHI RYOICHI , HIRASAWA HIROSUKE , OKUDA HARUHISA , KAGE YASUSHI , WASHIMI KAZUHIKO , SAKAMOTO TAKENOBU
IPC分类号： A61N5/10 , A61B6/00 , A61B6/03
CPC分类号： A61N5/1049 , A61B6/032 , A61B6/5235 , A61N2005/1062
摘要： PROBLEM TO BE SOLVED: To provide a patient positioning system attaining highly accurate positioning in a short time by accurately estimating the amount of positional deviation not only within an imaging plane but also outside the imaging plane. SOLUTION: The patient positioning system includes a CT data acquiring device 1 for acquiring three-dimensional CT data of a patient; an X-ray TV image acquiring device 2 for acquiring an X-ray TV image of the patient; and an image processor 3 forming a two-dimensional DRR image based on the acquired CT data and computing the amount of positional deviation between a first patient position when acquiring the CT data and a second patient position when acquiring the X-ray TV image, based on the formed DRR image and the acquired X-ray TV image. The image processor 3 carries out three-dimensional analysis processing for extracting a three-dimensional feature amount on the three-dimensional CT data; two-dimensional analysis processing for extracting a two-dimensional feature amount on the DRR image and X-ray TV image; feature evaluation processing for evaluating the extracted feature amount; region limitation processing for selecting a region in which the evaluated feature amount exists; and moving amount estimation processing for estimating the amount of positional deviation between the first patient position and the second patient position regarding the selected region. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：通过精确地估计不仅在成像平面内而且在成像平面之外的位置偏移量，来提供在短时间内实现高精度定位的患者定位系统。解决方案：患者定位系统包括用于获取患者的三维CT数据的CT数据获取装置1; 用于获取患者的X射线电视图像的X射线电视图像获取装置2; 以及图像处理器3，其基于所获取的CT数据形成二维DRR图像，并计算在获取CT数据时的第一患者位置与获取X射线电视图像时的第二患者位置之间的位置偏差量在形成的DRR图像和所获取的X射线电视图像上。图像处理器3进行用于提取三维CT数据的三维特征量的三维分析处理; 用于提取DRR图像和X射线电视图像上的二维特征量的二维分析处理; 用于评估所提取的特征量的特征评估处理; 区域限制处理，用于选择存在评估特征量的区域; 以及用于估计关于所选择的区域的第一患者位置和第二患者位置之间的位置偏差量的移动量估计处理。版权所有（C）2011，JPO＆INPIT

6. 发明专利

JP2008043567A Positioning system 有权
标题翻译：定位系统
公开(公告)号：JP2008043567A
公开(公告)日：2008-02-28
申请号：JP2006222656
申请日：2006-08-17
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： HARADA HISASHI , OKUDA HARUHISA , HIRASAWA HIROSUKE
IPC分类号： A61N5/10 , A61B6/03 , G01B11/00 , G01B11/25
摘要： PROBLEM TO BE SOLVED: To provide a positioning system which shortens positioning time and enables a highly precise positioning.
SOLUTION: The positioning system for positioning a patient 2 on a patient supporting base 3 has a body surface shape measuring means obtaining 2D image data and 3D position data which become position data by two-dimensionally and three-dimensionally measuring a patient body surface shape using measuring light 11 and a camera 14, a data collating means comparing and collator surface standard position data obtained by the body surface shape measuring means in advance and body surface measuring position data obtained by the body surface shape measuring means when measuring and calculating the difference, and a position adjusting means inputting output information of the data collating means and positioning the patient by moving the patient supporting base in the direction in which the difference becomes in the allowable range, and is constituted so as to be able to position the patient.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种缩短定位时间并实现高精度定位的定位系统。解决方案：用于将患者2定位在患者支撑座3上的定位系统具有体表形状测量装置，其通过二维和三维地测量患者身体获得2D图像数据和3D位置数据，其成为位置数据使用测量光11和照相机14的表面形状，在测量和计算时预先通过体表形状测量装置获得的数据对照装置和由身体表面形状测量装置获得的身体表面测量位置数据进行比较和对照表面标准位置数据以及位置调整装置，其输入数据整理装置的输出信息，并通过使患者支撑基座沿差异变成允许范围的方向移动来定位患者，并且构成为能够患者。版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2004271805A Focusing guidance method 审中-公开
公开(公告)号：JP2004271805A
公开(公告)日：2004-09-30
申请号：JP2003061186
申请日：2003-03-07
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： HIRASAWA HIROSUKE , SHIRAMATSU NAOKI
IPC分类号： G02B27/02 , A61F9/00
摘要： PROBLEM TO BE SOLVED: To make the perception size of a video large by preventing mechanical shortsightedness. SOLUTION: By receiving a video signal V from a video reproducing part 2, the video is displayed on a video display part 1 on the basis of the video signal V. A display having the large depth of focus is adopted for the display part 1. It is possible to use a video display device applying the principle of Maxwellian view, for example. Two kinds of videos are stored in a video storage part 3. The 1st kind of video is the video ordinarily displayed on the video display device 101, and the 2nd kind of video is the video where a far point and a near point are emphasized. The storage part 3 sends video information D where the two kinds of videos coexist time sequentially to the reproducing part 2. The reproducing part 2 generates and outputs the video signal V on the basis of the video information D. COPYRIGHT: (C)2004,JPO&NCIPI

8. 发明专利

JP2009226015A Patient positioning apparatus 有权
标题翻译：患者定位装置
公开(公告)号：JP2009226015A
公开(公告)日：2009-10-08
申请号：JP2008075494
申请日：2008-03-24
申请人： Mitsubishi Electric Corp , Shizuoka Prefecture , 三菱電機株式会社 , 静岡県
发明人： SAKAMOTO TAKENOBU , HIRASAWA HIROSUKE , OKUDA HARUHISA , KAWATO SHINJIRO , MITAMEI YASUO , FUJI HIROSHI , YAMASHITA HARUO
IPC分类号： A61N5/10
摘要： PROBLEM TO BE SOLVED: To provide a patient positioning apparatus highly accurately correcting displacement of a patient in a treatment room in a short period of time by acquiring wide and highly dense data. SOLUTION: This patient positioning apparatus is attached with a non-contact three-dimensional measurement means for capturing an image of a patient on a treatment table, to a freely movable manual arm, processes the measurement data captured by the non-contact three-dimensional measurement means, compares them with reference data acquired previously to calculate a position correction amount, controls the treatment table based on the position correction amount, and has a brake function section for fixing the manual arm at an optional position. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：通过获取宽而高密度的数据，在短时间内提供患者定位装置高度准确地校正治疗室中患者的位移。解决方案：该患者定位装置附有用于将治疗台上的患者的图像捕获到可自由移动的手臂的非接触三维测量装置，处理由非接触的捕获的测量数据三维测量装置将它们与先前获取的参考数据进行比较以计算位置校正量，基于位置校正量控制处理台，并具有用于将手动臂固定在任选位置的制动功能部。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2009189461A Patient positioning apparatus and its method 有权
标题翻译：患者定位装置及其方法
公开(公告)号：JP2009189461A
公开(公告)日：2009-08-27
申请号：JP2008031392
申请日：2008-02-13
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： HIRASAWA HIROSUKE , OKUDA HARUHISA , YAMAKOSHI RYOICHI , SAKAMOTO TAKENOBU , KAGE YASUSHI , WASHIMI KAZUHIKO
IPC分类号： A61N5/10 , A61B6/03 , G06T1/00
摘要： PROBLEM TO BE SOLVED: To provide a patient positioning apparatus capable of accurately positioning a patient in a short time in radiation therapy. SOLUTION: The patient positioning apparatus comprises: a second image generation part 39 for generating two-dimensional conversion image information when seeing through a patient in a fixed direction from a fixed place on the basis of three-dimensional CT images for making a treatment plan; a reference image information acquisition part 43 for acquiring two-dimensional reference see-through image information for which the patient is imaged during treatment; a second comparison part 45 for calculating the similarity degree of converted images and reference see-through images; a determination part 49 for determining whether or not the similarity degree is a threshold or the less; and a shift amount calculation part 50 for calculating the position of the patient at which a predetermined irradiation part can be irradiated with radiation for the treatment from a predetermined irradiation direction on the basis of the place and direction of generating the converted images when the similarity degree is equal to or less than the threshold. When the similarity degree is larger than the threshold, the second image generation part 39 repeatedly generates the converted image changing at least one of the place and the direction until it is determined that the similarity degree is equal to or less than the threshold. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供能够在放射线治疗中短时间内准确地定位患者的患者定位装置。解决方案：患者定位设备包括：第二图像生成部分39，用于在基于三维CT图像从固定位置观察患者固定方向时产生二维转换图像信息，用于制作治疗计划; 参考图像信息获取部43，用于获取在治疗期间对患者进行成像的二维参考透视图像信息; 用于计算转换图像和参考透视图像的相似度的第二比较部分45; 确定部分49，用于确定相似度是否为阈值等; 以及偏移量计算部50，用于根据生成转换图像的位置和方向，计算从规定的照射方向照射预定照射部的照射部的患者的位置，当相似度等于或小于阈值。当相似度大于阈值时，第二图像生成部39重复地生成改变位置和方向中的至少一个的转换图像，直到确定相似度等于或小于阈值。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2008022896A Positioning system 审中-公开
标题翻译：定位系统
公开(公告)号：JP2008022896A
公开(公告)日：2008-02-07
申请号：JP2006195535
申请日：2006-07-18
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： HARADA HISASHI , OKUDA HARUHISA , HIRASAWA HIROSUKE
IPC分类号： A61N5/10
摘要： PROBLEM TO BE SOLVED: To provide a positioning system by which a positioning time is shorten and highly precise positioning can be done.
SOLUTION: The positioning system has 3D light measuring means measuring the body surface of a patient by 3D measurement using measuring light 13 and a camera 17 a data collating means 28 comparing and collating body surface standard position data acquired by the 3D light measuring means in advance and the body surface measuring position data acquired by the 3D light measuring means when treating or diagnosing and obtaining position and posture converting parameters, and a position adjusting means adjusting the position and angle of a patient supporting table such that the difference of the body surface standard position data and the body surface measuring position data becomes an allowable range by the position and posture converting parameters of the data collating means, and executes the positioning of the patient.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种缩短定位时间并且可以进行高精度定位的定位系统。解决方案：定位系统具有3D测光装置，通过使用测量光13和照相机17的三维测量来测量患者的身体表面，数据对照装置28比较并整理通过3D光测量获取的体表标准位置数据意味着在处理或诊断并获得位置和姿势转换参数时由3D光测量装置获取的身体表面测量位置数据，以及调整患者支撑台的位置和角度的位置调整装置，体表标准位置数据和体表测量位置数据通过数据整理装置的位置和姿势转换参数成为允许范围，并执行患者的定位。版权所有（C）2008，JPO＆INPIT

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