Abstract: To provide a technology capable of grouping users who have high compatibility with each other. An information processing device includes: one or more processors; and one or more memories storing instructions that, when executed by the one or more processors, cause the information processing device to execute operations, wherein the operations include grouping a plurality of users based on biological information of the plurality of users.

Abstract: A biological information processing device, a biological information processing system, and a biological information processing method which are capable of obtaining features of signals detected from a living body in real time are provided. The present technology provides a biological information processing device including an extraction unit that extracts a component signal corresponding to a physiological index from signals detected from a living body, and a variation emphasizing unit that changes the value of the component signal, based on a time constant when the value of the component signal varies, in which the variation emphasizing unit changes a value of a first component signal in accordance with a value of a second component signal having a time constant shorter than that of the first component signal of which the value is changed. The present technology also provides a biological information processing system and a biological information processing method.

Abstract: [Object] To provide a technology capable of accurately inferring emotions of a living body. [Solving Means] An information processing apparatus according to the present technology includes: a control unit. The control unit separates a perspiration signal into a first fluctuation component and a second fluctuation component and corrects the second fluctuation component on the basis of the first fluctuation component.

Abstract: A biological information measurement device according to an embodiment of the present disclosure includes a control section that controls a first connection and disconnection and a second connection and disconnection, thereby inputting, to an AD conversion section, a plurality of first analog signals for changes in impedance or conductance between electrodes of individual electrode pairs and a second analog signal for a change in impedance or conductance between the electrodes of a plurality of the electrode pairs.

Abstract: A biological information processing apparatus according to an embodiment of the present technology is provided with a sphygmographic sensor unit, a plurality of calculation units, and an output unit. The sphygmographic sensor unit outputs a pulse wave signal. The plurality of calculation units respectively calculate heart rate candidate information with a reliability on a basis of the output pulse wave signal. The output unit outputs heart rate information on a basis of the heart rate candidate information and the reliability thereof calculated by each of the plurality of calculation units.

Abstract: A vital sign processing device according to an embodiment of the present technology includes a pulse-wave sensor unit, an output unit, and a first filter unit. The pulse-wave sensor unit outputs a pulse-wave signal. The output unit outputs a heart-rate information item on the basis of the output pulse-wave signal. The first filter unit sets a first frequency band on the basis of the output heart-rate information item, and allows the set first frequency band of the pulse-wave signal to pass through the first filter unit.

Abstract: A vital sign processing device according to an embodiment of the present technology includes a pulse-wave sensor unit, an output unit, and a first filter unit. The pulse-wave sensor unit outputs a pulse-wave signal. The output unit outputs a heart-rate information item on the basis of the output pulse-wave signal. The first filter unit sets a first frequency band on the basis of the output heart-rate information item, and allows the set first frequency band of the pulse-wave signal to pass through the first filter unit.

Abstract: To provide a biometric information processing apparatus capable of reducing noise caused by body motion in measuring blood flow velocity. To provide a biometric information processing apparatus including: a first filter unit that selects a first frequency band on the basis of a beat interval, causes a signal of the first frequency band from a blood flow velocity signal to pass through, and extracts a beat component signal.

Abstract: A biological information processing apparatus according to an embodiment of the present technology is provided with a sphygmographic sensor unit, a plurality of calculation units, and an output unit. The sphygmographic sensor unit outputs a pulse wave signal. The plurality of calculation units respectively calculate heart rate candidate information with a reliability on a basis of the output pulse wave signal. The output unit outputs heart rate information on a basis of the heart rate candidate information and the reliability thereof calculated by each of the plurality of calculation units.

Abstract: A biological information measurement device according to an embodiment of the present disclosure includes a control section that controls a first connection and disconnection and a second connection and disconnection, thereby inputting, to an AD conversion section, a plurality of first analog signals for changes in impedance or conductance between electrodes of individual electrode pairs and a second analog signal for a change in impedance or conductance between the electrodes of a plurality of the electrode pairs.

Abstract: The present technology relates to an information processing apparatus, an information processing method, and a program that can improve the estimation accuracy of a motion amount of an object. A cross-correlation analysis unit performs a cross-correlation analysis between a first image and a second image obtained by capturing the same object as an object of the first image before the first image, a first motion estimation unit estimates a first motion amount corresponding to a motion blur in the first image, and a second motion estimation unit estimates a second motion amount different from the first motion amount between the first image and the second image on the basis of a result of the cross-correlation analysis and an estimation result of the first motion amount. The present technology can be applied to, for example, an apparatus for measuring a pulse.

Abstract: The present technology relates to an information processing apparatus, an information processing method, and a program that can improve the estimation accuracy of a motion amount of an object. A cross-correlation analysis unit performs a cross-correlation analysis between a first image and a second image obtained by capturing the same object as an object of the first image before the first image, a first motion estimation unit estimates a first motion amount corresponding to a motion blur in the first image, and a second motion estimation unit estimates a second motion amount different from the first motion amount between the first image and the second image on the basis of a result of the cross-correlation analysis and an estimation result of the first motion amount. The present technology can be applied to, for example, an apparatus for measuring a pulse.

Abstract: Provided is an image processing method including acquiring an original image and position information indicating a position of a viewer in a depth direction with respect to a display unit, acquiring crosstalk information indicating a crosstalk characteristic of the display unit, causing a processor to generate an index map that includes control information indicating a correspondence between respective pixels and a respective viewpoints based on the position information on the basis of the acquired position information and crosstalk information in a manner that, among first viewpoint images different from each other based on the original image corresponding to the respective viewpoints set in advance, one of the first viewpoint images is observed while crosstalk is negated at a position indicated by the position information, and outputting second viewpoint images corresponding to respective pieces of the control information in the index map based on the original image and the index map.

Abstract: There is provided an image processing device including an analysis unit configured to analyze contrast according to a spatial frequency of an input image, a parallax transition information acquisition unit configured to acquire a relation of a crosstalk aggravation amount and a parallax transition corresponding to the contrast according to the spatial frequency of the input image with reference to a database in which the relation of the crosstalk aggravation amount and the parallax transition is stored in association with contrast according to spatial frequencies of various images, and a parallax computation unit configured to compute parallax corresponding to a predetermined threshold value set for the crosstalk aggravation amount in the acquired relation of the crosstalk aggravation amount and the parallax transition.

Abstract: There is provided an image processing method including acquiring an original image and a disparity map, the disparity map indicating distribution of disparity values associated with respective pixels in the original image, causing a processor to decide a dynamic range of disparity on the basis of the acquired original image and the acquired disparity map, and converting the disparity map in a manner that each disparity in the disparity map is distributed within the decided dynamic range of the disparity.

Abstract: There is provided an image processing method including acquiring a degree of attention of a viewer to a stereoscopic input image, acquiring a relation between the degree of attention and a disparity value for stereovision from each pixel of the input image, and weighting a disparity value of a pixel having the high degree of attention on the basis of the relation between the degree of attention and the disparity value, and increasing the disparity value of the pixel having the high degree of attention.

Abstract: There is provided an image processing method including analyzing contrast according to a spatial frequency of an input image for each RGB pixel, referencing a database in which a relationship between a crosstalk degradation amount and a disparity transition for each RGB pixel is stored in association with contrast according to spatial frequencies of various images, and acquiring a relationship between a crosstalk degradation amount and a disparity transition for each RGB pixel, the relationship corresponding to the contrast according to the spatial frequency of the input image, integrating the relationship between the crosstalk degradation amount and the disparity transition, the relationship having been acquired for each RGB pixel, and calculating disparity corresponding to a predetermined threshold set to the crosstalk degradation amount in the integrated relationship between the crosstalk degradation amount and the disparity transition.

Abstract: There is provided a display processing apparatus including a largest phase viewpoint determining part configured to determine a largest phase viewpoint having the largest phase among viewpoint images at a plurality of viewpoint positions in a normal vision region for presenting a stereoscopic image, and a phase determining part configured to determine phases for the viewpoint images at the respective viewpoint positions so that the phase differences between the viewpoint images at the neighboring viewpoint positions are half or less of the phase at the largest phase viewpoint.

Abstract: There is provided an image processing apparatus that includes a depth-adjustment-amount determination section configured to determine a depth adjustment amount of an input image, an evaluation function storage section configured to store an evaluation function, the evaluation function representing a relationship of a subjective depth amount of the image to a color-saturation component thereof, the subjective depth amount being a depth amount subjectively felt by a user, an input-value-adjustment-amount determination section configured to determine an input-value adjustment amount based on the evaluation function, the input-value adjustment amount representing a retina's response to the color-saturation component corresponding to the determined depth adjustment amount, an adjustment gain calculation section configured to calculate each spatial-frequency-component adjustment gain based on the determined input-value adjustment amount, and a gain superimposition section configured to superimpose each of the calcu

Abstract: There is provided an image processing method including acquiring an original image and a disparity map, the disparity map indicating distribution of disparity values associated with respective pixels in the original image, causing a processor to decide a dynamic range of disparity on the basis of the acquired original image and the acquired disparity map, and converting the disparity map in a manner that each disparity in the disparity map is distributed within the decided dynamic range of the disparity.