Sony Corporation

Yusaku Nakashima

Seiji Wada

Takuro Yamamoto

Haruhiko Soma

Mitsuhiro Nakamura

Takashi Tomita

Noriyuki Kishii

Isamu Nakao

Tetsuro Kuwayama

Natsuki Kimura

Shiko Yamashita

Hiroshi Ichiki

Takeshi Matsui

Tomohiro Hayakawa

Fan Wang

Eiichi Tanaka

Takuya Kishimoto

Seija Wada

Masaki Nishida

To provide an image analyzing technology capable of obtaining an image with less shading and with enough speckle contrast. An imaging apparatus includes: a light source that irradiates an imaging object with coherent light with a first irradiation condition and a second irradiation condition; a speckle imaging unit that captures a first speckle image obtained from scattered light of the imaging object irradiate at the first irradiation condition, and a second speckle image obtained from scattered light of the imaging object irradiate at the second irradiation condition; and an information processing unit that separates speckle images at boundaries of average luminance difference formed in the first speckle image and the second speckle image, connecting the separaged speckle images at the boundaries, and analyzes the combined speckle combined image.

Imaging apparatus, imaging method, and imaging system

Provided is an imaging technique capable of detecting a focus even in an imaging apparatus of a speckle image. The imaging apparatus includes a coherent light source that irradiates an imaging object with coherent light, an incoherent light source that irradiates the imaging object with incoherent light, a speckle imaging unit that captures a speckle image obtained from scattered light of the imaging object irradiated with the coherent light, a non-speckle imaging unit that captures a non-speckle image obtained from reflected light of the imaging object irradiated with the incoherent light, and a focus detection unit that detects a focus of the speckle imaging unit on the basis of a focal position of the non-speckle imaging unit.

There is provided an imaging technology using a speckle, which is capable of eliminating cross-talk. In the present technology, there is provided an imaging system including: a first light source that irradiates an imaging target with coherent light of a first wavelength band; a second light source that irradiates the imaging target with incoherent light of a second wavelength band; an image capturing unit that captures a speckle image and a non-speckle image, the speckle image being obtained from scattered light of the imaging target irradiated with the coherent light, the non-speckle image being obtained from reflected light of the imaging target irradiated with the incoherent light; and a cross-talk elimination unit that eliminates cross-talk that occurs between the captured speckle image and the captured non-speckle image.

Imaging system, imaging apparatus, and imaging method

An electroencephalogram analysis apparatus includes an electroencephalogram acquisition part and a comparison part. The electroencephalogram acquisition part is configured to acquire a first electroencephalogram measured at a first region on a head of a test subject and a second electroencephalogram measured at a second region positioned behind the first region on the head of the test subject. The comparison part is configured to compare a power of the first electroencephalogram in a specific frequency band with a power of the second encephalogram in the specific frequency band.

Electroencephalogram analysis apparatus and electroencephalogram analysis method

To provide a headband capable of correctly placing an electrode on a head of a user, a headband apparatus includes a plurality of headband portions integrally connected and configured to be positioned about a head of a user, wherein at least two headband portions are each configured to be positioned behind an ear.

Headband, headgear, and electroencephalographic apparatus

Provided is a highly accurate imaging technology that utilizes the speckle interference. The present technology provides a speckle imaging device including: an irradiation condition setting unit that sets an irradiation condition for coherent light with which an imaging object is irradiated; an imaging unit that captures scattered light obtained from the imaging object irradiated with the coherent light; an image generation unit that generates a speckle-enhanced image from a captured image captured by the imaging unit; and a leveling processing unit that generates a leveled speckle image from speckle-enhanced images corresponding to two or more different irradiation conditions.

Speckle imaging device, speckle imaging system, and speckle imaging method

A biological signal measuring equipment used in a measurement of a biological signal in a head portion, has a jaw contact portion that comes into contact with a forehead; an occiput contact portion that comes into contact with an occiput; and a supporter that is interposed in a front and rear direction of the head portion and is supported by the head portion by using the jaw contact portion and the occiput contact portion as ends. The biological signal measuring equipment performs the measurement in the same manner as the case of measuring a wave motion of a short period, even in the case of measuring the wave motion of a long period generated in a head portion.

Biological signal measuring equipment

A biosignal measurement device is proposed which can improve measurement accuracy without forcing an excessive burden on subjects. A biosignal measurement device used for measurement of a biosignal in a head includes a support that can support the head, and an electrode provided to the support. The electrode has a plurality of teeth each including an annular portion in which a pair of linear members having conductivity are formed in an annular shape, and a rod-like portion in which the pair of linear members are wound in opposite directions and formed in a rod-like shape. The rod-like portion in each of the plurality of teeth is directly or indirectly fixed at one end to the support.

Biosignal measurement device

A biosignal measurement electrode includes a liquid retaining member, an electric plate, and a cover member. The liquid retaining member is configured to be elastically deformed and impregnated with conductive liquid, the liquid retaining member including a contact surface configured to be brought into contact with a living body surface. The electric plate is configured to be brought into contact with the conductive liquid. The cover member is configured to be elastically deformed and cover the liquid retaining member except for the contact surface.

Biosignal measurement electrode and biosignal measurement apparatus

Provided is an electroencephalogram activation apparatus, including: an electroencephalogram acquisition unit configured to acquire brain waves of a user; an electrical stimulation unit configured to apply transcranial electrical stimulation to the scalp of the user; and a control unit configured to control the electrical stimulation unit based on the brain waves acquired by the electroencephalogram acquisition unit.

Electroencephalogram activation apparatus

Disclosed herein is an auricle-installed device including, a reference electrode to be placed on the ear lobe, a detection electrode to be placed on a surface exposed to bones surrounding the auricle of the ear, and a support body for supporting the reference and detection electrodes.

Auricle-installed device and bio-signal measurement apparatus

A biological signal processing apparatus includes an obtaining unit that obtains a spectrum of a biological signal that has been obtained, a generation unit that generates a three-dimensional waveform by plotting elements of the spectrum obtained by the obtaining unit in a space defined by a time axis, a frequency axis, and an intensity axis, and a detection unit that detects a specified waveform component using a position along the intensity axis at which a cross-section of the three-dimensional waveform in a time-frequency domain generated by the generation unit is to be observed and a state of the cross-section at the position as criteria for recognition.

Growing community of inventors

Tokyo, Japan

Yusaku Nakashima