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    • 113. 发明授权
    • Obstacle detection device
    • 障碍物检测装置
    • US08705796B2
    • 2014-04-22
    • US13391929
    • 2010-07-22
    • Takehito OgataKazutoshi TsuchiyaHiroshi Sakamoto
    • Takehito OgataKazutoshi TsuchiyaHiroshi Sakamoto
    • G06K9/00
    • B60R21/0134G01B11/002G01S17/936G06K9/00369G06K9/00798G06K9/00805G06K9/4642G08G1/166
    • The present invention provides an obstacle detection device that enables stable obstacle detection with less misdetections even when a bright section and a dark section are present in an obstacle and a continuous contour of the obstacle is present across the bright section and the dark section. The obstacle detection device includes a processed image generating unit that generates a processed image for detecting an obstacle from a picked-up image, a small region dividing unit that divides the processed image into plural small regions, an edge threshold setting unit that sets an edge threshold for each of the small regions from pixel values of the plural small regions and the processed image, an edge extracting unit that calculates a gray gradient value of each of the small regions from the plural small regions and the processed image and generates, using the edge threshold for the small region corresponding to the calculated gray gradient value, an edge image and a gradient direction image, and an obstacle recognizing unit that determines presence or absence of an obstacle from the edge image in a matching determination region set in the edge image and the gradient direction image corresponding to the edge image. The small region dividing unit divides the processed image into the plural small regions on the basis of an illumination state on the outside of the own vehicle.
    • 本发明提供一种障碍物检测装置,即使在障碍物中存在明亮部分和暗部分的情况下,即使在明亮部分和暗部分存在障碍物的连续轮廓,也能够以较少的误差进行稳定的障碍物检测。 障碍物检测装置包括:处理图像生成单元,其从拾取图像生成用于检测障碍物的处理图像;小区域分割单元,其将处理后的图像分割成多个小区域;边缘阈值设定单元, 阈值,所述边缘提取单元从所述多个小区域和所述处理图像计算每个所述小区域的灰度梯度值,并且使用所述边缘提取单元, 对应于所计算的灰度梯度值的小区域的边缘阈值,边缘图像和梯度方向图像,以及在边缘图像中设置的匹配确定区域中从边缘图像确定障碍物的存在或不存在的障碍物识别单元 以及与边缘图像对应的梯度方向图像。 小区域分割单元根据本车辆的外部的照明状态将处理后的图像分割为多个小区域。
    • 115. 发明授权
    • Lead route guidance system, portable route lead guidance device, and program
    • 导线导航系统,便携式导航导向装置和程序
    • US08135536B2
    • 2012-03-13
    • US11793825
    • 2004-12-24
    • Takayuki MatsunagaHiroshi Sakamoto
    • Takayuki MatsunagaHiroshi Sakamoto
    • G01C21/00G06F17/30G06T11/20
    • G08G1/096883G01C21/3647G08G1/005G08G1/096811G08G1/096861
    • A lead route guidance system capable of displaying route guidance not causing the user to be confused by the difference between the line of vision and the route guidance image, a portable route lead guidance device, and program are provided. The lead route guidance system comprises route storage means storing a route from a start point to a destination, route guidance image creating means for creating a route guidance image (24) containing a route image (22) for specifying the route and a lead image (23) for leading the route by displaying a lead position on the route ahead of the current position of the user, a display screen (11) for displaying thereon the route guidance image (24), walk detecting means for detecting walk of the user, and lead position updating means for updating the lead position depending on the walk of the user when the walk of the user is detected.
    • 提供了能够显示不导致用户被视线与路线引导图像之间的差异的路线引导的引导路线引导系统,便携式路线引导装置和程序。 引导路线引导系统包括存储从起点到目的地的路线的路线存储装置,路线引导图像创建装置,用于创建包含用于指定路线的路线图像(22)和引导图像(22)的路线引导图像(24) 23),用于通过在用户的当前位置之前的路线上显示引导位置来引导路线,用于在其上显示路线引导图像(24)的显示屏幕(11),用于检测用户步行的步行检测装置, 以及引导位置更新装置,用于当检测到用户的步行时根据用户的步行来更新引导位置。
    • 120. 发明申请
    • Photocurable composition, process for producing fine patterned product and optical element
    • 可光固化组合物,精细图案产品和光学元件的制造方法
    • US20100259821A1
    • 2010-10-14
    • US12659934
    • 2010-03-25
    • Yuriko KaidaHiroshi SakamotoHirotsugu Yamamoto
    • Yuriko KaidaHiroshi SakamotoHirotsugu Yamamoto
    • G02B5/30C08F2/46G02B1/12B32B3/30
    • C08F2/44C08F2/48C08F290/06C08F292/00C09D4/00G02B5/3058Y10S977/887Y10T428/24479
    • To provide a photocurable composition with which a fine pattern molded product on which a fine pattern of a mold is highly precisely transferred can efficiently be produced.A photocurable composition comprising 100 parts by mass of a photocurable monomer (A), from 5 to 60 parts by mass of a colloidal silica (B) (solid content) having an average particle size of at most 200 nm, and from 0.1 to 10 parts by mass of a photopolymerization initiator (C), wherein the photocurable monomer (A) comprises a multifunctional monomer (A1) having at least 3 (meth)acryloyloxy groups in one molecule and a bifunctional monomer (A2) having two (meth)acryloyloxy groups in one molecule, at least one compound belonging to the multifunctional monomer (A1) or the bifunctional monomer (A2) has a hydroxy group, and the ratio of the total amount (mol) of hydroxy groups to the total amount (mol) of the multifunctional monomer (A1) and the bifunctional monomer (A2) is at least 10%.
    • 为了提供一种光固化性组合物,可有效地制造精细图案模制品,精细图案模具高度精确地转印到其上。 一种光固化性组合物,其包含100质量份的光固化性单体(A),5〜60质量份的平均粒径为200nm以下的胶态二氧化硅(B)(固体成分)和0.1〜10 质量份的光聚合引发剂(C),其中,光固化性单体(A)含有1分子中具有3个以上(甲基)丙烯酰氧基的多官能单体(A1)和具有两个(甲基)丙烯酰氧基的双官能单体 一个分子中的至少一种化合物,至少一种属于多官能单体(A1)或双官能单体(A2)的化合物具有羟基,羟基的总量(mol)与总量(mol)的比例 多官能单体(A1)和双官能单体(A2)为至少10%以上。