Sony Corporation

Sony Group Corporation

Sony Semiconductor Solutions Corporation

Shun Kaizu

Tomoo Mitsunaga

Teppei Kurita

Yasutaka Hirasawa

Yuhi Kondo

Kensei Jo

Ying Lu

Masanori Kasai

Toru Nishi

Tuo Zhuang

Hajime Mihara

Yasushi Saito

Yoshikuni Nomura

Eiji Hirata

Shin Yoshimura

Satoru Takeuchi

Akihisa Yamazaki

Junya Suzuki

Yusuke Ikeda

Hideki Oyaizu

Shigeki Nakamura

Go Igarashi

Yusuke Otani

Shinichirou Etou

Motonari Honda

Takuro Kamiya

Hiroshi Yuasa

Hirotaka Shinozaki

Yuto Ishizu

Yasutaka Kimura

Takahiro Akahane

Takahiro Miyazaki

Naoto Nagaki

Shuntaro Aotake

Takeshi Oyakawa

There is provided a signal processing device, a signal processing method, and a distance-measuring module that allow improvement in distance measurement accuracy. The signal processing device includes an estimation unit that estimates, in a pixel including a first tap that detects a charge photoelectrically converted by a photoelectric conversion unit and a second tap that detects the charge photoelectrically converted by the photoelectric conversion unit, a sensitivity difference between taps of the first tap and the second tap by using first to fourth detection signals obtained by detecting reflected light generated by emission light reflected by an object in first to fourth phases with respect to the emission light. The present technology can be applied to, for example, a distance-measuring module that performs distance measurement by the indirect ToF method, and the like.

Signal processing device, signal processing method, and distance-measuring module

The range-finding apparatus includes a light source, an optical receiver, a setting unit, a detector, and a calculation unit. The light source projects light with a first irradiation pattern in a first period and projects light with a second irradiation pattern in a second period. The optical receiver receives light to output a pixel signal. The setting unit sets a reference signal based on the pixel signal in the first period. The detector detects whether or not the pixel signal varies from the reference signal by a first value or more in the second period and outputs a first detection signal indicative of a result obtained by the detection. The calculation unit calculates a distance to a to-be-measured object using the first detection signal.

Range-finding apparatus and range-finding method

There is provided a signal processing device, a signal processing method, and a detection sensor that enable detection of flicker information from an output indicating a luminance change. The signal processing device includes: a count unit that counts a first count number, which is a count number of pixels in which a first luminance change in a positive direction is detected, and a second count number, which is a count number of pixels in which a second luminance change in a negative direction is detected, in an image output from alight receiving unit at a predetermined frame rate and indicating a luminance change; a coefficient generation unit that generates a coefficient corresponding to a time at which the luminance change is detected; and an integrating unit that integrates a multiplication result of the count number of the pixels and the coefficient. The present technology can be applied to, for example, an event detection sensor or the like.

Signal processing device, signal processing method, and detection sensor

An information generation unitacquires, from a polarization imaging unit, observation values in which polarization directions are at least three or more directions (m≥3). A noise amount calculation unit-calculates an amount of noise on the basis of an observation value in a first polarization direction. Similarly, noise amount calculation units-to-calculate amounts of noise on the basis of observation values in second to m-th polarization directions. A polarization model estimation unitestimates a polarization model by using the observation values for the respective polarization directions and the amounts of noise calculated by the noise amount calculation units-to-. Thus, it is possible to calculate a polarization model that is robust against noise.

Information generation device, information generation method and program

There is provided a signal processing device, a signal processing method, and a detection sensor that makes it possible to detect flicker information from an output indicating a luminance change. The signal processing device includes: a change detection unit that detects a first luminance change in a positive direction and a second luminance change in a negative direction among luminance changes detected by a light receiving unit; a coefficient generation unit that generates a coefficient depending on a time at which the luminance change is detected; and an integration unit that integrates a result of multiplication of the first luminance change and the coefficient and integrates a result of multiplication of the second luminance change and the coefficient. The present technology can be applied to, for example, an event detection sensor and the like.

An image processing apparatus according to an embodiment of the present technology includes a first generator and a second generator. The first generator generates projection images correspondingly to respective monochromatic projectors of a plurality of monochromatic projectors using respective correction parameters, each projection image including a first pixel region that includes a content image, and a second pixel region that is a region other than the first pixel region, the second pixel region including a feature-point image in at least a portion of the second pixel region. The second generator detects the feature-point image in a captured image obtained by capturing the projection image projected by each of the plurality of monochromatic projectors, and generates the correction parameter on the basis of a result of the detection of the feature-point image.

Image processing apparatus, image processing method, and program

A polarization imaging unit generates, as polarization information, a polarization image including pixels in a plurality of polarization directions. An interpolation processing unit of an information processor performs interpolation processing using the polarization image obtained from the polarization imaging unit, and generates a polarization image for each polarization method. A polarization degree calculation unit calculates, for example, a polarization degree for each pixel as object surface information on the basis of the polarization image for each polarization method. A noise amount calculation unit calculates a noise amount for each pixel on the basis of the polarization image for each polarization method and the like. A polarization degree correction unit serves as an information correction unit, and corrects, according to the noise amount calculated by the noise amount calculation unit, the polarization degree that is object surface information calculated by the polarization degree calculation unit.

Information processing apparatus and method for processing information

The present technology relates to image data processing devices, image data processing methods, and programs. A frame data generation unit generates first frame data based on event data indicating a variation in an electrical signal of a pixel generating the electrical signal by performing photoelectric conversion during a first accumulation time from a first frame generation start time to a first frame generation end time, and second frame data based on event data occurring during a second accumulation time from a second frame generation start time to a second frame generation end time. A first frame period from the first frame generation start time to the second frame generation start time is set and supplied to the frame data generation unit. The present technology can be applied to, for example, a case where a frame data is generated from an event data output from a dynamic vision sensor (DVS).

Data processing device, data processing method, and program

A polarized image acquisition sectionacquires a polarized image of a target object having one or more polarization directions. A polarization parameter acquisition section-calculates the average brightness &#x3b1; of a polarization model on the basis of a non-polarized image subjected to sensitivity correction. Further, the polarization parameter acquisition section-calculates the amplitude &#x3b2; of the polarization model on the basis of the calculated average brightness &#x3b1;, pre-stored information regarding the zenith angle &#x3b8; of the normal line of the target object, a refractive index r, and reflectance property information indicative of whether a subject is diffuse reflection or specular reflection. A polarization model detection section-is able to detect the polarization properties of the target object through the use of an image polarized in one or more polarization directions, by calculating the phase &#x3d5; of the polarization model on the basis of a polarized image of the target object having one or more polarization directions, the average brightness &#x3b1;, and the amplitude &#x3b2; of the polarization model.

Image processing device and image processing method

Provided is an information processing apparatus that is worn on a user's body for use. The information processing apparatus includes a sensor, a communication section, a control section, a power supply section, a housing section, a sticking section, and a sticking sensor. The control section controls the sensor and the communication section. The housing section accommodates the sensor, the communication section, the control section, and the power supply section. The sticking section fastens the housing section to the user. The sticking sensor detects a state of sticking between the user and the housing on the sticking section. The control section wirelessly sends a given signal to external equipment via the communication section in response to detection, by the sticking sensor, of the fact that the sticking section has peeled off from the user or is just about to peel off from the user.

Information processing apparatus, control method of the same, and recording medium

A polarization imaging sectionincludes polarized pixels in each of a plurality of polarization directions. The polarization imaging sectionincludes a polarizer. The polarization imaging sectionoutputs image signals of a polarized image to a defect detecting sectionof an image processing section. In a case where a difference between a pixel value of a target polarized pixel generated by the polarization imaging section and a pixel value of the target polarized pixel estimated from polarization characteristics corresponding to pixel values of peripheral pixels in a polarization direction different from a polarization direction of the target polarized pixel is greater than a predetermined allowable range, the defect detecting sectiondetermines that the target polarized pixel is a defective pixel. Therefore, it is possible to detect a defect of a pixel in the polarization imaging section that generates the polarized image.

Image processing apparatus and image processing method

A signal processing apparatus and a signal processing method that process a signal to control exposure timing of an image sensor, and an imaging device are provided. The signal processing apparatus includes a first adjustment unit that adjusts exposure density in an exposure period, and a second adjustment unit that adjusts a start time and an end time of exposure in a frame period, and provides a control signal to control exposure timing by the exposure density between the start time and the end time, to an image sensor including a mechanism to accumulate photoelectrically converted charge a plurality of times separately and then AD-convert and read out total charge, to allow acquisition of a flicker-free high dynamic range image.

Signal processing apparatus and signal processing method, and imaging device

In an image capturing unit, an imaging element has a 4&#xd7;4-pixel area in which: pixels including at least one pixel of every color component of a plurality of color components are polarization pixels of the same polarization direction; and pixels which are not the polarization pixels constitute a majority of the 4&#xd7;4-pixel area, and are non-polarization pixels. The unpolarized component calculating unitof the image processing unitcalculates unpolarized components for each pixel and for each color component by using pixel signals of polarization pixels, and pixel signals of non-polarization pixels that are generated at the image capturing unit. The diffuse reflection component calculating unitcalculates diffuse reflection components for each pixel and for each color component by using pixel signals of polarization pixels, and pixel signals of non-polarization pixels that are generated at the image capturing unit

Image capturing device and imaging element, and image processing method

A correction information generation sectionemits measurement light having uniform intensity onto a polarized image acquisition sectionacquiring a polarized image. Further, on the basis of a measured polarized image acquired from the polarized image acquisition section, the correction information generation sectiongenerates variation correction information for correcting sensitivity variations caused in the measured polarized image due to difference in polarization direction, and causes a correction information storage sectionto store the generated variation correction information. A correction processing sectionthen corrects the sensitivity variations caused in the polarized image acquired by the polarized image acquisition sectiondue to the difference in polarization direction by using the pre-generated variation correction information stored in the correction information storage section. Therefore, the polarized image outputted from the correction processing sectionbecomes a high-quality polarized image with, for example, its sensitivity variations corrected.

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Tokyo, Japan

Shun Kaizu