公开(公告)号：EP3131292A1

公开(公告)日：2017-02-15

申请号：EP15306297.1

申请日：2015-08-14

申请人： Thomson Licensing

发明人： VANDAME, BENOIT ,  BROSSARD, MATHILDE ,  DRAZIC, VALTER

IPC分类号： H04N13/02 ,  G06T3/40

CPC分类号： H04N13/232 ,  G02B3/0056 ,  G02B5/201 ,  G06T3/4015 ,  G06T7/557 ,  H04N13/207 ,  H04N13/257

摘要： In one embodiment, it is proposed a plenoptic camera comprising a color filter array positioned on a pixel sensor, said color filter array comprising a set of unit elements, each unit element covering M × M pixels of said pixel sensor, with M an integer such that M ≥ 2, said plenoptic camera further comprising a set of micro-lens, each micro-lens delivering a micro-lens image on said pixel sensor with a diameter equal to p = k.M, with k an integer greater than or equal to one. The color filter array is remarkable in that said set comprises an initialization unit element being associated with a matrix c m , n 0 ≤ m M 0 ≤ n M indicating a filter repartition, where each coefficient c m,n is associated with a filter value, and in that the other unit elements are associated with matrixes with coefficients set to c ( x + i )mod M ,( y + j )mod M , for corresponding pixel ( x, y, i, j ) on said sensor, where indexes x, y relate to indexation of a pixel in said sensor, and indexes i, j relate to indexation of a micro-lens in micro-lens array.

摘要翻译： 在一个实施例中，提出了一种全息摄像机，其包括位于像素传感器上的滤色器阵列，所述滤色器阵列包括一组单元元件，每个单位元件覆盖所述像素传感器的M×M个像素，M为整数 所述全光摄像机还包括一组微透镜，每个微透镜在所述像素传感器上传送具有等于p = kM的直径的微透镜图像，其中k大于或等于 一。 滤色器阵列是显着的，其中所述组包括与矩阵cm相关联的初始化单元元素，其中每个系数cm，n与a相关联，其中每个系数cm，n与 滤波器值，并且其他单元元素与对于所述传感器上的对应像素（x，y，i，j）的系数设置为c（x + i）mod M，（y + j）mod M的矩阵相关联 其中索引x，y涉及所述传感器中像素的索引，索引i，j涉及微透镜阵列中微透镜的索引。

公开(公告)号：EP3112920A1

公开(公告)日：2017-01-04

申请号：EP15306059.5

申请日：2015-06-30

申请人： Thomson Licensing

发明人： BOREL, THIERRY ,  DRAZIC, VALTER

IPC分类号： G02B26/02 ,  G02B26/08 ,  H04N5/217 ,  H04N5/225 ,  H04N5/357

CPC分类号： H04N5/2254 ,  G02B26/02 ,  G02B26/0833 ,  H04N5/3572

摘要： An optical assembly of a plenoptic camera (1) comprises an optical filter (14) arranged in the aperture stop plane of the camera lens (10), also called main lens or primary lens, of the optical assembly that may be used in the plenoptic camera. The optical filter (14) has advantageously a transmittance that varies spatially according to information representative of transmittance associated with the camera lens (10).

摘要翻译： 全光照相机（1）的光学组件包括布置在可被用于全光照射的光学组件的相机镜头（10）的也称为主透镜或主透镜的孔径光阑平面中的滤光器（14） 相机。 滤光器（14）有利地是根据表示与相机透镜（10）相关的透射率的信息在空间上变化的透射率。

公开(公告)号：EP3264755A1

公开(公告)日：2018-01-03

申请号：EP16305822.5

申请日：2016-06-30

申请人： Thomson Licensing

发明人： DRAZIC, VALTER ,  SCHUBERT, Arno ,  LE SCOUARNEC, Nicolas

IPC分类号： H04N9/04 ,  H04N5/225 ,  H04N5/232 ,  H04N9/07 ,  H04N13/02

CPC分类号： H04N9/045 ,  H04N5/2254 ,  H04N5/23232 ,  H04N9/07 ,  H04N13/232 ,  H04N13/257 ,  H04N13/296

摘要： A system and method for generating multiple images with rich color acquisition using a plenoptic camera having a main lens disposed in front of a micro array of lenses, a mosaic color filter array and an image sensor, characterized in that it comprises: capturing a first set of images using an ordinary state of an electrically controllable birefringent medium being disposed between said main lens and said micro array of lenses, said ordinary state providing an ordinary ray to each pixel; capturing a second set of images using an extraordinary state of said electrically controllable birefringent medium, said extraordinary state splitting the light from said main lens into an ordinary ray and a extraordinary ray respectively impinging on two adjacent pixels of different colors, said extraordinary ray being shifted by distance of one pixel on said image sensor; performing a weighted subtraction of information about said second set of images from information about said first set of images; and generating a final set of images with rich color information from said weighted subtraction and said first set of images.

摘要翻译： 一种系统和方法，用于使用具有布置在微透镜阵列前面的主透镜，马赛克滤色器阵列和图像传感器的全光照相机来生成具有丰富色彩采集的多个图像，其特征在于，所述系统和方法包括：捕获第一组 使用电可控双折射介质的普通状态的图像设置在所述主透镜和所述透镜微阵列之间，所述普通状态为每个像素提供寻常光线; 使用所述电可控双折射介质的非常态来捕获第二组图像，所述非常态将来自所述主透镜的光分成普通光线和非常光线，分别照射在不同颜色的两个相邻像素上，所述非常光线被移动 通过所述图像传感器上的一个像素的距离; 从关于所述第一组图像的信息中执行关于所述第二组图像的信息的加权减法; 以及从所述加权减法和所述第一组图像中生成具有丰富色彩信息的最终图像组。

公开(公告)号：EP3110130A1

公开(公告)日：2016-12-28

申请号：EP15305988.6

申请日：2015-06-25

申请人： Thomson Licensing

发明人： DRAZIC, VALTER ,  SEIFI, MOZHDEH ,  SABATER, NEUS

IPC分类号： H04N5/225 ,  G02B3/14 ,  G02B27/22

CPC分类号： H04N5/2254 ,  G02B3/14 ,  G02B27/0075 ,  G03B35/10

摘要： A plenoptic camera (2) comprises a camera lens (20), also called main lens, a microlens array (22) and a photosensor array (24). An additional lens (21) is arranged between the camera lens and the microlens array. The focal length of the additional lens is set to be equal to a value corresponding to the distance between the camera lens and the additional lens.

摘要翻译： 全息照相机（2）包括也称为主透镜的相机镜头（20），微透镜阵列（22）和光电传感器阵列（24）。 在相机透镜和微透镜阵列之间设置附加透镜（21）。 附加透镜的焦距被设定为等于相机透镜和附加透镜之间的距离的值。

公开(公告)号：EP3026887A1

公开(公告)日：2016-06-01

申请号：EP15195465.8

申请日：2015-11-19

申请人： Thomson Licensing

发明人： DRAZIC, VALTER ,  SEIFI, MOZHDEH ,  SABATER, NEUS

IPC分类号： H04N5/225 ,  H04N17/00 ,  H04N5/232 ,  G06T7/00

摘要： A plenoptic camera (2) comprising a camera lens (10), a lenslet array (11) comprising a plurality of microlenses (111, 112, 11n) and a photosensor array (13). In order to determine reference pixels of sub-images, the camera lens (10) comprises a light emitting device (20) arranged in the aperture stop plane of the camera lens (10), the light emitting device (20) lighting the photosensor array (13).

摘要翻译： 包括相机镜头（10），包括多个微透镜（111,112,11n）和光电传感器阵列（13））的小透镜阵列（11）的全光摄像机（2）。 为了确定子图像的参考像素，相机镜头（10）包括布置在照相机镜头（10）的孔径光阑平面中的发光器件（20），发光器件（20）照亮光电传感器阵列 （13）

公开(公告)号：EP3327481A1

公开(公告)日：2018-05-30

申请号：EP16306565.9

申请日：2016-11-28

申请人： Thomson Licensing

发明人： DRAZIC, VALTER ,  BLONDE, LAURENT ,  KERBIRIOU, PAUL ,  BURELLER, OLIVIER ,  BOISSON, GUILLAUME

IPC分类号： G02B17/00 ,  G06T7/80

CPC分类号： G06T7/80 ,  G02B27/0012 ,  G06F17/5009 ,  G06T7/50 ,  G06T2207/10028

摘要： The disclosure relates to a method for modelling an imaging device comprising an image sensor and an optical system, the optical system comprising an aperture iris diaphragm defining an entrance pupil of the optical system, the method comprising the following steps, for a given configuration of the imaging device:
- estimating (21) a set of characteristic intrinsic parameters of the imaging device, comprising: a first intrinsic parameter representative of a distance between said image plane and a sensor conjugated plane conjugated to the image sensor with respect to the optical system; a second intrinsic parameter representative of a distance between the sensor conjugated plane and the entrance pupil; a third intrinsic parameter representative of a magnification of the optical system;
- determining (22) first and second modelling data respectively as a function of the first and third intrinsic parameters and second and third intrinsic parameters;
- establishing (23) a model of the imaging device as a function of the second and third modelling data.

公开(公告)号：EP3177011A1

公开(公告)日：2017-06-07

申请号：EP15306914.1

申请日：2015-12-02

申请人： Thomson Licensing

发明人： DRAZIC, VALTER ,  SABATER, NEUS ,  SCHLOSSER, Markus ,  STAUDER, JURGEN

IPC分类号： H04N9/04 ,  H04N13/02

CPC分类号： H04N13/257 ,  H04N13/229

摘要： An acquisition device (302) for a plenoptic camera (3), the acquisition device (302) comprising a microlens array (31) that comprises a plurality of microlenses, a photosensor array (33) that comprises a plurality of photosensors and a color filter array (32) that comprises a plurality of color filters, characterized in that the color filter array (32) is arranged with regard to the photosensor array (33) so that each color filter covers a group of a plurality of adjacent photosensors, the plurality of color filters being optically associated with the plurality of microlenses so that at least two different color filters are optically associated with one microlens.

摘要翻译： 包括微透镜阵列（31）做了一个获取装置（302），用于全光照相机（3），所述采集装置（302）包括微透镜的复数，一个光敏元件阵列（33），确实包含光传感器的多元性和滤色器 阵列（32）并包括滤色器的多元化，其特征在于在没有滤色器阵列（32）被布置成相对于光敏元件阵列（33）象每个滤色器覆盖了一组相邻的光传感器的复数，所述多个 颜色的滤色器被光学地与微透镜所以也至少两个不同的彩色滤光器被光学地与一个微透镜相关联的所述多个相关联。

公开(公告)号：EP3128751A1

公开(公告)日：2017-02-08

申请号：EP16181678.0

申请日：2016-07-28

申请人： Thomson Licensing

发明人： DRAZIC, VALTER ,  GALPIN, FRANCK ,  SEIFI, MOZHDEH

IPC分类号： H04N13/02 ,  H04N17/00

摘要： A plenoptic camera (1) comprising a camera lens (10), a microlens array (11) and a photosensors array (13). An optical device (14) is arranged before the camera lens (10) according to a light-traveling direction of a light flux entering the plenoptic camera, the optical device (14) comprising a first layer that is controllable between a transmissive mode and a scattering mode and at least one light source arranged at a border of said optical device (14).
Method of controlling the plenoptic camera.

公开(公告)号：EP3128750A1

公开(公告)日：2017-02-08

申请号：EP15306265.8

申请日：2015-08-04

申请人： Thomson Licensing

发明人： DRAZIC, VALTER ,  GALPIN, FRANCK ,  SEIFI, MOZHDEH

IPC分类号： H04N13/02 ,  H04N17/00

CPC分类号： H04N5/2254 ,  G02B3/0056 ,  G02B6/0011 ,  H04N5/2253 ,  H04N5/3572 ,  H04N13/232 ,  H04N17/002

摘要： A plenoptic camera (1) comprising a camera lens (10), a microlens array (11) and a photosensors array (13). An optical device (14) is arranged before the camera lens (10) according to a light-traveling direction of a light flux entering the plenoptic camera, the optical device (14) comprising a first layer that is controllable between a transmissive mode and a scattering mode and at least one light source arranged at a border of said optical device (14).
Method of controlling the plenoptic camera.

摘要翻译： 包括照相机镜头（10），微透镜阵列（11）和光传感器阵列（13）的全光照相机（1）。 光学装置（14）根据进入全光照相机的光通量的光传播方向布置在照相机透镜（10）之前，光学装置（14）包括可在透射模式和透射模式之间控制的第一层 散射模式以及布置在所述光学装置（14）的边界处的至少一个光源。 控制全光照相机的方法。