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    • 1. 发明申请
    • IMAGE PROCESSING METHODS AND APPARATUS
    • 图像处理方法和装置
    • US20090169096A1
    • 2009-07-02
    • US12089140
    • 2006-10-12
    • Roberto CipollaGeorge VogiatzisPaolo FavaroRyuji FunayamaHiromichi Yanagihara
    • Roberto CipollaGeorge VogiatzisPaolo FavaroRyuji FunayamaHiromichi Yanagihara
    • G06K9/00H04N15/00H04N7/18G08G1/14
    • G06T7/579G06T7/557G06T7/586G06T2207/10021G06T2207/30264
    • We describe methods of characterising a set of images to determine their respective illumination, for example for recovering the 3D shape of an illuminated object. The method comprises: inputting a first set of images of the object captured from different positions; determining frontier point data from the images, this defining a plurality of frontier points on the object and for each said frontier point a direction of a normal to the surface of the object at the frontier point, and determining data defining the image capture positions; inputting a second set of images of said object, having substantially the same viewpoint and different illumination conditions; and characterising the second set of images said frontier point data to determine data comprising object reflectance parameter data (β) and, for each image of said second set, illumination data (L) comprising data defining an illumination direction and illumination intensity for the image.
    • 我们描述表征一组图像的方法以确定它们各自的照明,例如用于恢复被照亮物体的3D形状。 该方法包括:输入从不同位置捕获的对象的第一组图像; 确定来自图像的边界点数据,其定义对象上的多个边界点,并为每个所述前沿点定义在边界点处的对象的表面的法线方向,以及确定定义图像捕获位置的数据; 输入所述对象的第二组图像,具有基本上相同的视点和不同的照明条件; 并且表征第二组图像,所述边界点数据以确定包括对象反射参数数据(β)的数据,并且对于所述第二组的每个图像,包括限定图像的照明方向和照明强度的数据的照明数据(L)。
    • 2. 发明授权
    • Image processing methods and apparatus
    • 图像处理方法和装置
    • US08417021B2
    • 2013-04-09
    • US12089140
    • 2006-10-12
    • Roberto CipollaGeorge VogiatzisPaolo FavaroRyuji FunayamaHiromichi Yanagihara
    • Roberto CipollaGeorge VogiatzisPaolo FavaroRyuji FunayamaHiromichi Yanagihara
    • G06K9/00
    • G06T7/579G06T7/557G06T7/586G06T2207/10021G06T2207/30264
    • We describe methods of characterizing a set of images to determine their respective illumination, for example for recovering the 3D shape of an illuminated object. The method comprises: inputting a first set of images of the object captured from different positions; determining frontier point data from the images, this defining a plurality of frontier points on the object and for each said frontier point a direction of a normal to the surface of the object at the frontier point, and determining data defining the image capture positions; inputting a second set of images of said object, having substantially the same viewpoint and different illumination conditions; and characterizing the second set of images said frontier point data to determine data comprising object reflectance parameter data (β) and, for each image of said second set, illumination data (L) comprising data defining an illumination direction and illumination intensity for the image.
    • 我们描述表征一组图像的方法以确定它们各自的照明,例如用于恢复被照亮物体的3D形状。 该方法包括:输入从不同位置捕获的对象的第一组图像; 确定来自图像的边界点数据,其定义对象上的多个边界点,并为每个所述前沿点定义在边界点处的对象的表面的法线方向,以及确定定义图像捕获位置的数据; 输入所述对象的第二组图像,具有基本上相同的视点和不同的照明条件; 并且表征所述第二组图像,所述边界点数据以确定包括对象反射参数数据(&bgr)的数据,并且对于所述第二组的每个图像,包括限定图像的照明方向和照明强度的数据的照明数据(L) 。
    • 7. 发明授权
    • Robust interest point detector and descriptor
    • 鲁棒的兴趣点检测器和描述符
    • US08165401B2
    • 2012-04-24
    • US12298879
    • 2007-04-30
    • Ryuji FunayamaHiromichi YanagiharaLuc Van GoolTinne TuytelaarsHerbert Bay
    • Ryuji FunayamaHiromichi YanagiharaLuc Van GoolTinne TuytelaarsHerbert Bay
    • G06K9/46
    • G06K9/4671G06K9/4614G06K9/56
    • Methods and apparatus for operating on images are described, in particular methods and apparatus for interest point detection and/or description working under different scales and with different rotations, e.g. for scale-invariant and rotation-invariant interest point detection and/or description. The present invention can provide improved or alternative apparatus and methods for matching interest points either in the same image or in a different image. The present invention can provide alternative or improved software for implementing any of the methods of the invention. The present invention can provide alternative or improved data structures created by multiple filtering operations to generate a plurality of filtered images as well as data structures for storing the filtered images themselves, e.g. as stored in memory or transmitted through a network. The present invention can provide alternative or improved data structures including descriptors of interest points in images, e.g. as stored in memory or transmitted through a network as well as data structures associating such descriptors with an original copy of the image or an image derived therefrom, e.g. a thumbnail image.
    • 描述了用于在图像上操作的方法和装置,特别是用于在不同尺度和不同旋转下进行兴趣点检测和/或描述的方法和装置,例如, 用于尺度不变和旋转不变的兴趣点检测和/或描述。 本发明可以提供用于在相同图像或不同图像中匹配兴趣点的改进的或替代的装置和方法。 本发明可以提供用于实现本发明的任何方法的替代或改进的软件。 本发明可以提供通过多次滤波操作产生的替代或改进的数据结构,以产生多个滤波图像,以及用于存储滤波图像本身的数据结构,例如, 存储在存储器中或通过网络传输。 本发明可以提供替代或改进的数据结构,包括图像中的兴趣点的描述符,例如。 如存储在存储器中或通过网络传输的数据结构,以及将这样的描述符与图像的原始副本或从其导出的图像相关联的数据结构。 缩略图。
    • 8. 发明申请
    • ROBUST INTEREST POINT DETECTOR AND DESCRIPTOR
    • 可靠的兴趣点检测器和描述符
    • US20090238460A1
    • 2009-09-24
    • US12298879
    • 2007-04-30
    • Ryuji FunayamaHiromichi YanagiharaLuc Van GoolTinne TuytelaarsHerbert Bay
    • Ryuji FunayamaHiromichi YanagiharaLuc Van GoolTinne TuytelaarsHerbert Bay
    • G06K9/00
    • G06K9/4671G06K9/4614G06K9/56
    • Methods and apparatus for operating on images are described, in particular methods and apparatus for interest point detection and/or description working under different scales and with different rotations, e.g. for scale-invariant and rotation-invariant interest point detection and/or description. The present invention can provide improved or alternative apparatus and methods for matching interest points either in the same image or in a different image. The present invention can provide alternative or improved software for implementing any of the methods of the invention. The present invention can provide alternative or improved data structures created by multiple filtering operations to generate a plurality of filtered images as well as data structures for storing the filtered images themselves, e.g. as stored in memory or transmitted through a network. The present invention can provide alternative or improved data structures including descriptors of interest points in images, e.g. as stored in memory or transmitted through a network as well as datastructures associating such descriptors with an original copy of the image or an image derived therefrom, e.g. a thumbnail image.
    • 描述了用于在图像上操作的方法和装置,特别是用于在不同尺度和不同旋转下进行兴趣点检测和/或描述的方法和装置,例如, 用于尺度不变和旋转不变的兴趣点检测和/或描述。 本发明可以提供用于在相同图像或不同图像中匹配兴趣点的改进的或替代的装置和方法。 本发明可以提供用于实现本发明的任何方法的替代或改进的软件。 本发明可以提供通过多次滤波操作产生的替代或改进的数据结构,以产生多个滤波图像,以及用于存储滤波图像本身的数据结构,例如, 存储在存储器中或通过网络传输。 本发明可以提供替代或改进的数据结构,包括图像中的兴趣点的描述符,例如。 如存储在存储器中或通过网络传输的数据结构以及将这样的描述符与图像的原始副本或从其导出的图像相关联的数据结构。 缩略图。
    • 10. 发明申请
    • PULSED LIGHT OPTICAL RANGEFINDER
    • 脉冲光学光栅
    • US20120075615A1
    • 2012-03-29
    • US13376336
    • 2010-06-18
    • Cristiano NiclassEdoardo CharbonMineki SogaHiromichi Yanagihara
    • Cristiano NiclassEdoardo CharbonMineki SogaHiromichi Yanagihara
    • G01S7/487
    • G01S17/89G01S7/4814G01S7/4816G01S7/4818G01S7/4863G01S7/487G01S7/489G01S7/497G01S17/10
    • An optical rangefinder based on time-of-flight measurement, radiates pulsed light toward an object (70), and receives reflected light from the object, the receiver operating in a photon counting mode, so as to generate a pulse for a detected photon. There is a variable probability of a photon detection on the receiver, and a controller (370, 380, 390; 365, 470, 475, 380, 390; 570, 580, 590, 390) controls the photon detection probability of the receiver, based on a light level. By controlling the detection probability according to a light level, the receiver can have an increased dynamic range, and without the expense of using optical components. This can apply even while detecting very weak signals since the receiver can still be in a photon counting mode while the detection probability is controlled. The light level can be indicated by an output of the receiver itself, or by another detector external to the receiver.
    • 基于飞行时间测量的光学测距器将朝向物体(70)的脉冲光辐射,并且接收来自物体的反射光,接收器以光子计数模式工作,以产生检测到的光子的脉冲。 在接收机上存在光子检测的可能概率,并且控制器(370,380,390; 365,470,475,380,390; 570,580,590,390)控制接收机的光子检测概率, 基于光照水平。 通过根据光级控制检测概率,接收机可以具有增加的动态范围,并且不需要使用光学部件的费用。 即使在检测到非常弱的信号的同时也可以应用,因为接收机仍然可以处于光子计数模式,同时控制检测概率。 光电平可以由接收器本身的输出或由接收器外部的另一个检测器指示。