Panasonic Intellectual Property Management Co., Ltd.

Panasonic Corporation

Panasonic Intellectual Property Corporation of America

Matsushita Electric Industrial Co., Ltd.

Omron Corporation

Matsushita Information Systems Co., Ltd.

Masao Hiramoto

Yasunori Ishii

Masaaki Suzuki

Yusuke Monobe

Yoshiaki Sugitani

Seiji Nishiwaki

Teruyuki Takizawa

Toshiya Fujii

Masayuki Misaki

Tatsuya Nakamura

Kazuya Yonemoto

Katsuhiro Kanamori

Yoshiaki Sone

Kiyotsugu Ishikawa

Susumu Hashimoto

Masa-aki Suzuki

Tomoaki Kimura

Hiromatsu Aoki

Shinichi Wakabayashi

Shin-ichi Wakabayashi

Tohru Takamura

Brahm Pal Singh

Yoshio Ohkubo

Masanori Omae

A pulse measuring device includes: an image acquisition unit that acquires plural pieces of time-series photographed image data obtained by photographing a living body; an image processor that generates plural pieces of transformed image data corresponding to the plural pieces of photographed image data by performing a multiple resolution analysis on each of the plural pieces of photographed image data a plurality of times, each of the plural pieces of photographed image data being decomposed into a high-resolution component and a low-resolution component on the multiple resolution analysis; and a pulse measuring unit that calculates a feature quantity indicating luminance of a predetermined area in each of the plural pieces of transformed image data, calculates a variation period of the feature quantity by analyzing time-series data of the feature quantity, and calculates a pulse of the living body based on the variation period of the feature quantity.

Pulse measuring device and control method thereof

A 3D image capture device according to an aspect of the present invention includes: a light-transmitting section including N different kinds of first filters (where N is an integer equal to or greater than two) which are arranged so that light rays are incident on those filters in parallel with each other and that the transmittances have mutually different wavelength dependences; an image sensor including N second filters, of which the transmittances have mutually different wavelength dependences; and an image capturing driving section driving the light-transmitting section so that image capturing sessions are carried out M times sequentially (where M is an integer equal to or greater than N), and that each of the first filters changes its positions from one of N positions that have been set in advance with respect to the image sensor after each time the image capturing session is carried out.

Three-dimensional imaging device, image processing device, image processing method, and image processing program

This image processorincludes: an input interfacethat receives first and second images, on one of which the position of the subject has shifted in a particular direction from the position on the other; a color image generating sectionthat generates a color image in which the pixel values of respective pixels of the first and second images are used as the values of first and second colors, respectively; a decision sectionthat calculates an index value indicating the degree of color shift between the first and second colors in the color image and that determines, based on the index value, whether or not the first and second images match each other; and an image moving sectionthat performs, if the decision has been made that the first and second images do not match each other, the processing of making the second image closer to the first image by replacing the pixel value of each pixel of the second image with the pixel value of a pixel that is adjacent to the former pixel in the particular direction.

Image processor, image capture device, image processing method and program

A 3D image capture device according to an embodiment includes: a light transmitting sectionwith a transmitting area, of which the spectral transmittance characteristic varies in a first direction; an image sensorwhich is arranged to receive light that has been transmitted through the light transmitting sectionand which outputs a photoelectrically converted signal representing the light received; and an image processing section which extracts an edge of a subject in the first direction, which is included in an image that has been generated based on the photoelectrically converted signal supplied from the image sensor, and which estimates information about the depth of the subject based on a lightness or hue pattern of a background in the vicinity of the edge extracted.

Three-dimensional image pickup apparatus, light-transparent unit, image processing apparatus, and program

An image sensorincludes: a photoelectric conversion layerincluding a plurality of photosensitive cells; a reflective layerthat reflects light that has been transmitted through the photoelectric conversion layer; a micro lens layerthat includes a plurality of micro lenses that are arranged between the photoelectric conversion layerand the reflective layer; and a transmitted light controlling layerthat is arranged between the photoelectric conversion layerand the reflective layerand that is able to change optical transmittance in accordance with an instruction given by a controller. The micro lens layeris arranged so that light that has been transmitted through one of the photosensitive cells and then reflected from the reflective layeris incident on the same photosensitive cell again.

Light field image capture device and image sensor

A depth estimating image capture device includes: an image sensor; an optical lens; a light-transmitting member arranged on the plane; and a signal processing section. The member includes a first mirror inside to reflect the light at least partially and a second mirror with the same reflection property as the first mirror on its upper surface. The first mirror has a reflective surface tilted with respect to the upper surface of the member. The second mirror has a reflective surface that is parallel to the upper surface. The first and second mirrors and are arranged so that a light beam coming from a point on a subject through the lens is reflected from the first mirror and from the second mirror and irradiates some area on an image capturing plane to make the irradiated area change according to the depth of the point on the subject.

Depth estimating image capture device and image sensor

An image processorincludes: an in-focus area extracting sectionthat extracts an in-focus area of two images with parallax; a color conversion matrix calculating sectionthat obtains a color conversion matrix between the two images by reference to information about the colors of pixels that are included in the in-focus area of the two images; and a color conversion sectionthat converts the color of one of the two images by using the color conversion matrix.

Image processor, 3D image capture device, image processing method, and image processing program

The 3D image capture device includes a light-transmitting section with n transmitting areas (where n is an integer and n&#x2267;2) that have different transmission wavelength ranges and each of which transmits a light ray falling within a first wavelength range, a solid-state image sensor that includes a photosensitive cell array having a number of unit blocks, and a signal processing section that processes the output signal of the image sensor. Each unit block includes n photosensitive cells including a first photosensitive cell that outputs a signal representing the quantity of the light ray falling within the first wavelength range. The signal processing section generates at least two image data with parallax by using a signal obtained by multiplying a signal supplied from the first photosensitive cell by a first coefficient, which is real number that is equal to or greater than zero but less than one.

Three dimensional imaging device and image processing device

This 3D image capture device includes an image capturing sectionand a signal processing section. The image capturing sectionincludes a light-transmitting sectionwith first, second and third transmitting areas that have mutually different transmission wavelength ranges, a solid-state image sensorthat is arranged to receive the light transmitted through the light-transmitting section, and an optical systemthat produces an image on an imaging area of the solid-state image sensor. The signal processing sectionincludes an image generating sectionthat generates three image signals, representing the quantities of light rays that have been incident on the first, second and third transmitting areas, based on the output signal of the solid-state image sensor, and a parallax estimating sectionthat estimates parallax based on the three image signals.

Three-dimensional imaging device

This solid-state image sensor includes a photosensitive cell array including first through fourth photosensitive cellsto, a dispersing element array including first and second dispersing elementsandarranged to face the first and third photosensitive cellsand, respectively, and a microlens array including first and second microlensesand. The first dispersing elementmakes parts of incoming light that have come through the first microlensand that have first and second color components incident on the first and second photosensitive cellsand, respectively. The second dispersing elementmakes parts of incoming light that have come through the second microlensand that have third and fourth color components incident on the third and fourth photosensitive cellsand, respectively. In addition, light that has not passed through the first and second microlensesandis also incident on the second and fourth photosensitive cellsand

Solid-state imaging element, imaging device, and signal processing method including a dispersing element array and microlens array

An exemplary 3D image shooting apparatus comprises: a polarized light source; an image capturing section that sequentially captures an image of the object that is being illuminated with each of plane polarized light rays, and an image processor. The image capturing section includes: a lens; an image sensor; and an incoming light transmitting section which has a transparent area and a plurality of polarization filter areas. The polarization filter areas are arranged outside of the transparent area, generally have a concentric ring shape, and include left and right filter areas so that their polarization transmission axis directions define an angle &#x3b1; (0&#x3c;&#x3b1;&#x3c;90 degrees). The image processing section generates a plurality of images from light that has been transmitted through the transparent area and light that has been transmitted through the plurality of polarization filter areas.

3D image shooting apparatus and endoscope

This image capture device includes: a light-transmitting sectionthat is made up of a plurality of portionsAB, each including diffraction regionsDDthat diffract incoming light, a transparent regionCLR that transmits the incoming light without diffracting it, and polarization regionsPParranged so as to overlap at least partially with the diffraction regionsDD; an image sensor in which a plurality of unit elements are arranged two-dimensionally on an imaging area, wherein each of the unit elements includes a first photosensitive cell, a second photosensitive cell, and a polarization filter arranged so as to face the first photosensitive cell; and an imaging section configured to obtain images produced on the imaging area by the light transmitted through the transparent region and by the light transmitted through the diffraction region.

Depth estimating image capture device

In one embodiment, an elementtransform, with a voltage, non-polarized light into plane polarized light with an arbitrary plane of polarization. A synchronizergives the plane of polarization control elementan instruction to rotate the plane of polarization, thereby getting the plane of polarization of the illumination rotated and casting that polarized light toward the object. At the same time, the synchronizersends a shooting start signal to an image sensor, thereby getting video. The synchronizerperforms these processing steps multiple times. A captured video signal is sent to an image processing processor, where LL, RR and CC images are separately generated as images of light rays that have passed through left and right polarizing areas and the central non-polarizing area and left and right parallax signals are generated and sent to a 3D display section

This solid-state image sensor includes an array of photosensitive cells and an array of dispersive elements. The photosensitive cell array is comprised of a plurality of unit blocks, each including four photosensitive cellsand. A condensing elementis further arranged to cover the photosensitive cellsandand condenses incoming light onto the photosensitive cellsand

Solid-state image sensor

This 3D image capture device includes: a light transmitting sectionwith first and second light transmitting areasL andR; an image sensorwith a plurality of unit blocks; an imaging section; and an image processing section which generates multi-viewpoint images based on photoelectrically converted signals supplied from the image sensor. If functions representing the respective spectral transmittances of the first light transmitting areaL, the second light transmitting areaR, a first type of pixel, and a second type of pixel with respect to the wavelength &#x3bb; of visible radiation are identified by TL(&#x3bb;), TR(&#x3bb;), T(&#x3bb;), and T(&#x3bb;), respectively, TL(&#x3bb;)&#x2260;TR(&#x3bb;) and T(&#x3bb;)&#x2260;T(&#x3bb;) are satisfied, and each of TL(&#x3bb;), TR(&#x3bb;), T(&#x3bb;) and T(&#x3bb;) has at least one local maximum value and at least one local minimum value within each of red, green and blue wavelength ranges.

Growing community of inventors

Osaka, Japan

Masao Hiramoto