Patents by Inventor Kenya Uomori
Kenya Uomori has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 6897946Abstract: A range finder device, for measuring, when a plurality of projected lights having radiation patterns whose light intensity differs three-dimensional space-wise are irradiated onto an object from a light source on a time-sharing basis to image-pick up reflected light of the projected light from the object with a camera, a distance using the light intensity of an image picked up, characterized in that, with respect to each of a plurality of surfaces including the center of the light source and the center of a lens, there is obtained, in advance, relation between an angle of each projected light from the light source and light intensity ratio in each surface, characterized in that, at the time of actual distance measurement, light intensity of each pixel of the camera is measured, and on the basis of the light intensity thus measured, and relation between the angle and the light intensity ratio on a predetermined surface corresponding to a coordinate position of the pixel measured, there is obtained the angle coType: GrantFiled: April 22, 2003Date of Patent: May 24, 2005Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Kenya Uomori, Takeo Azuma, Atsushi Morimura
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Patent number: 6876392Abstract: A rangefinder according to the present invention includes light source section, camera section, distance-measuring sensor, exposure controller and shutter. The light source section projects light onto an object for 3D imaging purposes. The camera section receives the light that was emitted from the light source section and then reflected from the object. The distance-measuring sensor estimates an approximate distance to the object. Based on the approximate distance, the exposure controller controls the optical output power of the light source section and/or the open/closed states of the shutter. The rangefinder can control the intensity of the projected light even if the object is on the move. As a result, the rangefinder can obtain highly precise information about the 3D location of the object.Type: GrantFiled: December 17, 1999Date of Patent: April 5, 2005Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Kenya Uomori, Takeo Azuma, Kunio Nobori, Atsushi Morimura
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Publication number: 20040175169Abstract: An information-added imaging method includes an imaging step, a receiving step of an imaging device (105) receiving information through a communication line (112), an adding step of adding additional information to picture data on the basis of the information, a displaying step of displaying, in the imaging device (105), picture data to which the additional information has been added while picture data is being captured, and a recording step of recording the picture data to which the additional information has been added.Type: ApplicationFiled: January 7, 2004Publication date: September 9, 2004Inventors: Takeo Azuma, Jun Ozawa, Kenya Uomori
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Publication number: 20040145722Abstract: A range finder device, for measuring, when a plurality of projected lights having radiation patterns whose light intensity differs three-dimensional space-wise are irradiated onto an object from a light source on a time-sharing basis to image-pick up reflected light of the projected light from the object with a camera, a distance using the light intensity of an image picked up, characterized in that, with respect to each of a plurality of surfaces including the center of the light source and the center of a lens, there is obtained, in advance, relation between an angle of each projected light from the light source and light intensity ratio in each surface, characterized in that, at the time of actual distance measurement, light intensity of each pixel of the camera is measured, and on the basis of the light intensity thus measured, and relation between the angle and the light intensity ratio on a predetermined surface corresponding to a coordinate position of the pixel measured, there is obtained the angle coType: ApplicationFiled: January 16, 2004Publication date: July 29, 2004Inventors: Kenya Uomori, Takeo Azuma, Atsushi Morimura
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Publication number: 20040100389Abstract: When a user wears a headset (12), a small display (107) is provided in front of an eye of the user. A main component (11) communicates with an external device to receive information, such as an electronic mail. The main component (11) extracts a portion of the received information, e.g., data about a sender, and transmits the extracted portion to a headset (12). The headset (12) displays the received information on the small display (107).Type: ApplicationFiled: September 12, 2003Publication date: May 27, 2004Inventors: Eiichi Naito, Jun Ozawa, Takeo Azuma, Kenya Uomori
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Patent number: 6734951Abstract: A range finder device, for measuring, when a plurality of projected lights having radiation patterns whose light intensity differs three-dimensional space-wise are irradiated onto an object from a light source on a time-sharing basis to image-pick up reflected light of the projected light from the object with a camera, a distance using the light intensity of an image picked up, characterized in that, with respect to each of a plurality of surfaces including the center of the light source and the center of a lens, there is obtained, in advance, relation between an angle of each projected light from the light source and light intensity ratio in each surface, characterized in that, at the time of actual distance measurement, light intensity of each pixel of the camera is measured, and on the basis of the light intensity thus measured, and relation between the angle and the light intensity ratio on a predetermined surface corresponding to a coordinate position of the pixel measured, there is obtained the angle coType: GrantFiled: April 22, 2003Date of Patent: May 11, 2004Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Kenya Uomori, Takeo Azuma, Atsushi Morimura
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Patent number: 6704099Abstract: A range finder device, for measuring, when a plurality of projected lights having radiation patterns whose light intensity differs three-dimensional space-wise are irradiated onto an object from a light source on a time-sharing basis to image-pick up reflected light of the projected light from the object with a camera, a distance using the light intensity of an image picked up, characterized in that, with respect to each of a plurality of surfaces including the center of the light source and the center of a lens, there is obtained, in advance, relation between an angle of each projected light from the light source and light intensity ratio in each surface, characterized in that, at the time of actual distance measurement, light intensity of each pixel of the camera is measured, and on the basis of the light intensity thus measured, and relation between the angle and the light intensity ratio on a predetermined surface corresponding to a coordinate position of the pixel measured, there is obtained the angle coType: GrantFiled: April 22, 2003Date of Patent: March 9, 2004Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Kenya Uomori, Takeo Azuma, Atsushi Morimura
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Publication number: 20040041997Abstract: The invention provides a range finder capable of carrying out three-dimensional measurement stably for a long period of time. A light pattern is projected on a subject by using a light source array unit in which a plurality of light sources, such as LEDs, are arranged. Even when each LED has a small light quantity, a sufficiently large quantity of light can be projected on the subject by the entire light source array unit, and hence, the three-dimensional measurement can be stably carried out. Also, a plurality of light patterns can be generated by electrically controlling a light emitting state of each LED of the light source array unit.Type: ApplicationFiled: July 10, 2003Publication date: March 4, 2004Inventors: Kenya Uomori, Atsushi Morimura, Joji Wada, Takeo Azuma
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Publication number: 20030193658Abstract: A range finder device, for measuring, when a plurality of projected lights having radiation patterns whose light intensity differs three-dimensional space-wise are irradiated onto an object from a light source on a time-sharing basis to image-pick up reflected light of the projected light from the object with a camera, a distance using the light intensity of an image picked up, characterized in that, with respect to each of a plurality of surfaces including the center of the light source and the center of a lens, there is obtained, in advance, relation between an angle of each projected light from the light source and light intensity ratio in each surface, characterized in that, at the time of actual distance measurement, light intensity of each pixel of the camera is measured, and on the basis of the light intensity thus measured, and relation between the angle and the light intensity ratio on a predetermined surface corresponding to a coordinate position of the pixel measured, there is obtained the angle coType: ApplicationFiled: April 22, 2003Publication date: October 16, 2003Inventors: Kenya Uomori, Takeo Azuma, Atsushi Morimura
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Publication number: 20030193657Abstract: A range finder device, for measuring, when a plurality of projected lights having radiation patterns whose light intensity differs three-dimensional space-wise are irradiated onto an object from a light source on a time-sharing basis to image-pick up reflected light of the projected light from the object with a camera, a distance using the light intensity of an image picked up, characterized in that, with respect to each of a plurality of surfaces including the center of the light source and the center of a lens, there is obtained, in advance, relation between an angle of each projected light from the light source and light intensity ratio in each surface, characterized in that, at the time of actual distance measurement, light intensity of each pixel of the camera is measured, and on the basis of the light intensity thus measured, and relation between the angle and the light intensity ratio on a predetermined surface corresponding to a coordinate position of the pixel measured, there is obtained the angle coType: ApplicationFiled: April 22, 2003Publication date: October 16, 2003Inventors: Kenya Uomori, Takeo Azuma, Atsushi Morimura
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Publication number: 20030193659Abstract: A range finder device, for measuring, when a plurality of projected lights having radiation patterns whose light intensity differs three-dimensional space-wise are irradiated onto an object from a light source on a time-sharing basis to image-pick up reflected light of the projected light from the object with a camera, a distance using the light intensity of an image picked up, characterized in that, with respect to each of a plurality of surfaces including the center of the light source and the center of a lens, there is obtained, in advance, relation between an angle of each projected light from the light source and light intensity ratio in each surface, characterized in that, at the time of actual distance measurement, light intensity of each pixel of the camera is measured, and on the basis of the light intensity thus measured, and relation between the angle and the light intensity ratio on a predetermined surface corresponding to a coordinate position of the pixel measured, there is obtained the angle coType: ApplicationFiled: April 22, 2003Publication date: October 16, 2003Inventors: Kenya Uomori, Takeo Azuma, Atsushi Morimura
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Patent number: 6618123Abstract: The invention provides a range finder capable of carrying out three-dimensional measurement stably for a long period of time. A light pattern is projected on a subject by using a light source array unit in which a plurality of light sources, such as LEDs, are arranged. Even when each LED has a small light quantity, a sufficiently large quantity of light can be projected on the subject by the entire light source array unit, and hence, the three-dimensional measurement can be stably carried out. Also, a plurality of light patterns can be generated by electrically controlling a light emitting state of each LED of the light source array unit.Type: GrantFiled: October 15, 2001Date of Patent: September 9, 2003Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Kenya Uomori, Atsushi Morimura, Joji Wada, Takeo Azuma
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Publication number: 20030152252Abstract: A plurality of iris images of a person to be authenticated in which the positions of extraneous light reflection are respectively different are captured by using an image capturing device. Iris codes, that is, features for authentication, are respectively extracted from the plural iris images, and the plural iris codes thus extracted are respectively compared with a registered iris code, so as to generate a plurality of comparison results. The plural comparison results are integrated to obtain an ultimate comparison score, which is used for the authentication.Type: ApplicationFiled: February 5, 2003Publication date: August 14, 2003Inventors: Kenji Kondo, Takeo Azuma, Kenya Uomori, Yoshito Aoki
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Patent number: 6587183Abstract: A range finder device, for measuring, when a plurality of projected lights having radiation patterns whose light intensity differs three-dimensional space-wise are irradiated onto an object from a light source on a time-sharing basis to image-pick up reflected light of the projected light from the object with a camera, a distance using the light intensity of an image picked up, characterized in that, with respect to each of a plurality of surfaces including the center of the light source and the center of a lens, there is obtained, in advance, relation between an angle of each projected light from the light source and light intensity ratio in each surface, characterized in that, at the time of actual distance measurement, light intensity of each pixel of the camera is measured, and on the basis of the light intensity thus measured, and relation between the angle and the light intensity ratio on a predetermined surface corresponding to a coordinate position of the pixel measured, there is obtained the angle coType: GrantFiled: March 30, 2000Date of Patent: July 1, 2003Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Kenya Uomori, Takeo Azuma, Atsushi Morimura
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Publication number: 20030118217Abstract: The position of an eye is detectable with high precision from a face image of a person taken under near infrared illumination or the like. After pre-processing, the face image is subjected to brightness correction to increase the contrast between the sclera portion and iris portion of the eye. Brightness gradient vectors are calculated for the brightness-corrected image, and matching is performed between a brightness gradient image generated using the calculated brightness gradient vectors and an eye template. Further, matching with a pupil template is performed to correct the eye center position. Final positions of both eyes are then determined.Type: ApplicationFiled: December 20, 2001Publication date: June 26, 2003Inventors: Kenji Kondo, Kenya Uomori
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Publication number: 20030012277Abstract: Provided are a depth image obtaining section that obtains a depth image from the same viewpoint as in the input image, a layer section that separates the input image into a foreground image and a background image as layered images using depth information of the depth image, a coding section that encodes the foreground image, a background sprite generating section that generates a background sprite image from the background image, and a sprite coding section that encodes the background sprite image. The depth image from the same viewpoint as in the input image is obtained in the depth image obtaining section, the input image is separated into a foreground image and a background image as layered images using the depth information, and based on the separated background image, a background sprite image is generated.Type: ApplicationFiled: June 13, 2002Publication date: January 16, 2003Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.Inventors: Takeo Azuma, Kunio Nobori, Kenya Uomori, Atsushi Morimura
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Publication number: 20020152034Abstract: A personal authentication method capable of selecting types of biological information used for authentication flexibly depending on the user and the environment is provided. During registration, a plurality of types of biological information are acquired from the user, feature information is extracted from the acquired biological information, and authentication precision is estimated for each combination of pieces of feature information. During authentication, at least one type of biological information is acquired from the user, feature information is extracted from the acquired biological information, authentication is performed by comparing the acquired feature information with the feature information extracted from the biological information during registration, and operation of the user is controlled according to the authentication precision.Type: ApplicationFiled: April 11, 2002Publication date: October 17, 2002Inventors: Kenji Kondo, Kenya Uomori
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Publication number: 20020118864Abstract: During registration, an iris image taken is frequency-analyzed using a plurality of frequencies f1 to fn to generate features for the respective frequencies f1 to fn. During authentication, frequencies f2 to fn are selected from the frequencies f1 to fn for use in frequency analysis for authentication. An iris image of a person to be authenticated taken is frequency-analyzed using the selected frequencies f2 to fn to generate features for the respective frequencies f2 to fn. The generated features are compared with the features generated for the same frequencies during the registration to perform personal authentication.Type: ApplicationFiled: February 27, 2002Publication date: August 29, 2002Inventors: Kenji Kondo, Kenya Uomori
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Patent number: 6441888Abstract: A rangefinder performs highly accurate 3D measurement without being affected by any variation in intensity of projected light. A light source for projecting light onto an object is provided with a light receiver for detecting the intensity of the projected light. The intensity of a reflected part of the projected light, which has been captured by a camera as an image, is corrected using the light intensity, which has been detected by the light receiver, as correction information. And based on this corrected image, a distance calculator produces a range image. Thus, even if the intensity of the projected light has changed, a corresponding variation in intensity of the reflected light image can be compensated for.Type: GrantFiled: March 17, 2000Date of Patent: August 27, 2002Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Takeo Azuma, Kenya Uomori
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Patent number: 6417880Abstract: The stereoscopic CG image generating apparatus and a stereoscopic TV apparatus, has a projection transformation section which, based on three-dimensional structural information describing a three-dimensional shape of an object, generates a plurality of two-dimensional projection models as viewed from a plurality of viewpoints, a distance information extraction section which generates a camera-to-object distance information used for calculations in the projection transformation section, and a camera parameter determining section which, based on the output of the distance information extraction section, the screen size of a stereoscopic image display device for displaying finally generated two-dimensional projection models, and a viewer's viewing distance, determines camera parameters so that stereoscopic CG images will be brought within the viewer's binocular fusional range.Type: GrantFiled: June 13, 2001Date of Patent: July 9, 2002Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Kenya Uomori, Masamichi Nakagawa