公开(公告)号：US20070237059A1

公开(公告)日：2007-10-11

申请号：US11717633

申请日：2007-03-14

申请人： Ryosuke Kasahara

发明人： Ryosuke Kasahara

IPC分类号： G11B7/00

CPC分类号： G11B20/10009 ,  G11B7/00736 ,  G11B7/24 ,  G11B20/10046 ,  G11B20/10222 ,  G11B20/10425 ,  G11B20/1217 ,  G11B2020/1229 ,  G11B2020/1275 ,  G11B2220/2595

摘要： A data reproduction apparatus for reproducing recorded data from an optical disk by using a PRML detection method is disclosed that includes an optical head including a light source, an optical system having an objective lens for condensing light emitted from the light source to the optical disk, and a photodetector for receiving light reflected from the optical disk, a signal generation circuit for generating an RF signal from a signal output from the photodetector, a phase correction circuit for correcting phase distortion of the RF signal when the recorded data are recorded in recording marks arranged with a pitch less than a diffraction limit, a clock extraction circuit for extracting a clock from the corrected RF signal, and a decoding circuit for decoding the recorded data from the RF signal in synchronization with the clock extracted by the clock extraction circuit.

摘要翻译： 公开了一种用于通过使用PRML检测方法从光盘再现记录数据的数据再现装置，其包括：光头，包括光源;具有用于将从光源发射的光聚光到光盘的物镜的光学系统; 以及光接收器，用于接收从光盘反射的光;信号产生电路，用于根据从光电检测器输出的信号产生RF信号;相位校正电路，用于当将记录数据记录在记录标记中时，校正RF信号的相位失真 布置成具有小于衍射极限的间距，用于从校正的RF信号中提取时钟的时钟提取电路，以及与由时钟提取电路提取的时钟同步地从RF信号中解码记录数据的解码电路。

公开(公告)号：US11963760B2

公开(公告)日：2024-04-23

申请号：US18120433

申请日：2023-03-13

申请人： Yoshihiro Oba ,  Ryosuke Kasahara ,  Toshihide Sasaki ,  Nobuto Hosono

发明人： Yoshihiro Oba ,  Ryosuke Kasahara ,  Toshihide Sasaki ,  Nobuto Hosono

IPC分类号： A61B5/145 ,  A61B5/00

CPC分类号： A61B5/145 ,  A61B5/0059

摘要： A measuring device includes a total internal reflection prism having a total reflection plane that an object to be measured contacts, a light source to emit light to make the light having a wavelength equal to or greater than 7 micrometers (μm) and equal to or less than 12 μm incident on the total reflection plane, and a sensor to detect light intensity of the light reflected by the total reflection plane. In the measuring device, an equation





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公开(公告)号：US10572993B2

公开(公告)日：2020-02-25

申请号：US15873070

申请日：2018-01-17

申请人： Takuya Tanaka ,  Ryosuke Kasahara

发明人： Takuya Tanaka ,  Ryosuke Kasahara

IPC分类号： G06T7/00 ,  G06K9/66 ,  G06N3/08 ,  G06N5/04 ,  G06K9/62 ,  G06N20/00 ,  G06N3/04

摘要： An information processing apparatus and method are disclosed, each of which: using a set of normal data, learns a first model for determining the normal data; sets, out of a plurality of abnormality candidate areas, the abnormality candidate areas selected by a user as correct data and the abnormality candidate areas not selected by the user as incorrect data, to learn a second model for identifying the correct data and the incorrect data, each abnormality candidate area indicating a candidate area of an abnormality and detected based on the first model from each of a plurality of captured images; obtains the captured images; detects the abnormality candidate areas from the respective captured images, using the first model; determines whether the abnormality candidate areas detected belong to the correct data or the incorrect data, using the second model; and controls to output a determination.

公开(公告)号：US20200050933A1

公开(公告)日：2020-02-13

申请号：US16529121

申请日：2019-08-01

申请人： Takuya Tanaka ,  Ryosuke Kasahara

发明人： Takuya Tanaka ,  Ryosuke Kasahara

IPC分类号： G06N3/08 ,  G06N20/20 ,  G06K9/62

摘要： A learning device is configured to perform learning of a decision tree, and includes: a plurality of learning units each corresponding to a data memory of a plurality of data memories, and being configured to perform learning at a first node using learning data acquired by using first addresses related to a storage destination of the learning data corresponding to the first node of the decision tree in the data memory, and output a second address related to a storage destination of each piece of the learning data branched from the first node; and a plurality of managers each corresponding to a learning unit of the plurality of learning units, and being configured to calculate third addresses related to storage destinations of learning data corresponding to second nodes being next nodes of the first node using the first addresses and the second address output from the learning unit.

公开(公告)号：US10115189B2

公开(公告)日：2018-10-30

申请号：US15453430

申请日：2017-03-08

申请人： Ryosuke Kasahara

发明人： Ryosuke Kasahara

IPC分类号： G06K9/00 ,  G06T7/00 ,  G06K9/66 ,  G06K9/62

摘要： An image processing apparatus is configured to process an image. The image processing apparatus includes: a calculator configured to calculate a parameter for each of a plurality of areas and for each of a plurality of models describing a plurality of body shapes, each of the plurality of models having the plurality of areas, and probabilities indicating to which of the plurality of models input images input for learning belong; and a comparator configured to compare an input inspection image with the plurality of models whose parameters are optimized based on the probabilities.

公开(公告)号：US09994074B2

公开(公告)日：2018-06-12

申请号：US14947403

申请日：2015-11-20

申请人： Haike Guan ,  Ryosuke Kasahara ,  Tomoaki Yano ,  Naoki Kikuchi ,  Takashi Maki

发明人： Haike Guan ,  Ryosuke Kasahara ,  Tomoaki Yano ,  Naoki Kikuchi ,  Takashi Maki

IPC分类号： B60C9/00 ,  G06K9/00 ,  H04N7/18

CPC分类号： B60C9/00 ,  B60Q9/00 ,  G06K9/00825 ,  G06K9/00845 ,  H04N7/185

摘要： A detection device includes a camera, a recognition unit, and a detection unit. The camera acquires image data obtained by capturing surroundings of a vehicle. The recognition unit recognizes switching of signal indication of a traffic signal from the image data. The detection unit detects a dangerous driving degree indicating a degree of dangerous driving done by a driver of the vehicle based on acceleration data of the vehicle acquired after the signal indication is switched.

公开(公告)号：US08866960B2

公开(公告)日：2014-10-21

申请号：US13587204

申请日：2012-08-16

申请人： Tomoko Ishigaki ,  Ryosuke Kasahara ,  Xue Li

发明人： Tomoko Ishigaki ,  Ryosuke Kasahara ,  Xue Li

IPC分类号： H04N5/235 ,  G03B7/00 ,  H04N5/228 ,  B60R1/00

CPC分类号： B60R1/00 ,  H04N5/2351 ,  H04N5/2353

摘要： An imaging apparatus, including an imaging device determining an index value representing differences in sizes of plural polarization components having polarization directions different from each other included in light from each point in an imaging area, and continuously image a polarization information image having a pixel value based on the determined index value to form a moving image of the polarization information image; and a light exposure adjuster adjusting a light exposure such that the differences in sizes of the plural polarization components are maximum at a predetermined light exposure adjustment time during the continuous imaging.

摘要翻译： 一种成像装置，包括：成像装置，其确定表示来自成像区域中的每个点的光包含的具有彼此不同的偏振方向的多个偏振分量的尺寸差异的指标值，并且连续地成像具有基于像素值的偏振信息图像 对所确定的索引值进行偏振信息图像的运动图像的形成; 以及调节曝光的曝光调节器，使得在连续成像期间的预定曝光调整时间，多个偏振分量的尺寸差异最大。

公开(公告)号：US08639029B2

公开(公告)日：2014-01-28

申请号：US13414835

申请日：2012-03-08

申请人： Ryosuke Kasahara

发明人： Ryosuke Kasahara

IPC分类号： G06K9/36

CPC分类号： H04N19/48 ,  H04N19/132 ,  H04N19/136 ,  H04N19/176 ,  H04N19/63 ,  H04N19/80

摘要： An image processor having an image compression unit to generate first compressed image data by dividing input image data into blocks of M×M pixels with regard to at least luminance signals (Y) of the input image data, wavelet-converting the image data in units of blocks, and reducing the number of bits by quantization, a memory to store the first compressed image data, a coordinate calculator to calculate coordinates to deform images by coordinate conversion and output coordinate information, a compressed image deforming unit to generate compressed deformed image data by reading out the first compressed image data stored in the memory while conducting coordinate conversion based on the coordinate information from the coordinate calculator, and a first image decompression unit to decompress the compressed deformed image data to obtain decompressed image data.

摘要翻译： 一种具有图像压缩单元的图像处理器，用于通过至少关于输入图像数据的亮度信号（Y）将输入图像数据划分成M×M个像素的块来生成第一压缩图像数据，以单位小波变换图像数据 块，通过量化减少位数，存储第一压缩图像数据的存储器，通过坐标转换和输出坐标信息计算使图像变形的坐标的坐标计算器，压缩变形图像数据生成压缩图像变形单元 通过基于来自坐标计算器的坐标信息进行坐标转换，读出存储在存储器中的第一压缩图像数据，以及第一图像解压缩单元，对压缩的变形图像数据进行解压缩以获得解压缩的图像数据。

公开(公告)号：US08570334B2

公开(公告)日：2013-10-29

申请号：US12805578

申请日：2010-08-06

申请人： Hiroyoshi Sekiguchi ,  Ryosuke Kasahara ,  Xue Li

发明人： Hiroyoshi Sekiguchi ,  Ryosuke Kasahara ,  Xue Li

IPC分类号： G09G5/39

CPC分类号： H04N5/3572 ,  G06T3/40

摘要： An image processing device includes a memory interface to read out image data from a memory, and a memory access controller to control reading process of the memory interface so as to keep a number of pixels in a main scanning direction of the image data read out from the memory smaller than a number of pixels in a main scanning direction of a screen to which the image data is output.

摘要翻译： 图像处理装置包括从存储器读出图像数据的存储器接口和用于控制存储器接口的读取处理的存储器访问控制器，以便将图像数据的主扫描方向上的像素数目从 所述存储器小于输出图像数据的屏幕的主扫描方向上的像素数量。

公开(公告)号：US08421880B2

公开(公告)日：2013-04-16

申请号：US13103401

申请日：2011-05-09

申请人： Hiroyoshi Sekiguchi ,  Ryosuke Kasahara

发明人： Hiroyoshi Sekiguchi ,  Ryosuke Kasahara

IPC分类号： H04N9/73

CPC分类号： H04N5/2357

摘要： An image processing apparatus includes: a difference calculation unit that calculates a difference value of a feature amount of image data of a predetermined region between a present frame and a past frame; a first counting unit that counts number of times when an absolute value of the difference value exceeds a threshold during a predetermined period of time; a second counting unit that counts number of times when the difference value of the image data have different plus-minus signs between a present frame and a past frame during a predetermined period of time; and an identification unit that identifies a light source frequency by comparing the output of the second counting unit with a predetermined value when the output of the first counting unit exceeds a predetermined value.

摘要翻译： 一种图像处理装置，包括：差分计算单元，计算当前帧和过去帧之间的预定区域的图像数据的特征量的差值; 第一计数单元，其计算在预定时间段期间所述差值的绝对值超过阈值的次数; 第二计数单元，其计算在预定时间段期间图像数据的差值在当前帧和过去帧之间具有不同正负号的次数; 以及识别单元，当第一计数单元的输出超过预定值时，通过将第二计数单元的输出与预定值进行比较来识别光源频率。