Abstract: A water vapor observation device includes a water vapor index acquisition module which acquires a water vapor index calculated based on radio wave intensities of at least two frequencies out of radio waves received by a microwave radiometer, a global navigation satellite system (GNSS) precipitable water vapor acquisition module which acquires a GNSS precipitable water amount calculated based on an atmospheric delay of a GNSS signal received by a GNSS receiver, a correlation data generation module which generates correlation data between the water vapor index and the GNSS precipitable water amount based on the water vapor index and the GNSS precipitable water amount at a plurality of time points during a predetermined period, and a precipitable water vapor calculation module which calculates a precipitable water amount based on the correlation data from the water vapor index obtained based on the microwave radiometer.

Abstract: A vital information acquisition apparatus includes an ultra-wideband millimeter-wave radar system which includes at least one transmitting antenna and at least one receiving antenna and is configured to transmit ultra-wideband millimeter-waves to a subject and receive ultra-wideband millimeter-waves reflected by the subject, and a controller includes circuitry that converts a plurality of received ultra-wideband millimeter-waves to radar signals reflected by the subject, stores the radar signals, calculates the differential signals among the radar signals at each position, calculates the intensity of the differential signals at each position, and estimates respiratory intervals, heartbeat intervals and position of the subject.

Abstract: A snoring sound detection apparatus includes one or plural microphones that receive sounds produced by a subject, and a controller including circuitry which converts the sounds produced by the subject to received signals, converts the received signals to sound intensity signals, measures the periodicity of sound intensity signal using one or plural sound intensity signals, evaluates the validity of the periodicity of sound intensity signal in terms of respiratory rate, and detects snoring sound using the sound intensity and the validity of the periodicity of sound intensity signal in terms of respiratory rate.

Abstract: An imaging processing device includes an image acquisition module configured to acquire an image obtained by photographing the sky with a camera having a known orientation or slant; a time stamp acquisition module configured to acquire a photographing date and time of the image; a photographing position acquisition module configured to acquire position information of a photographing position of the image; a sun position determination module configured to determine a photographed sun position in the image; a reference sun position acquisition module configured to calculate a reference sun position indicating a sun position determined based on the photographing date and time and the position information; and a camera information identification module configured to determine any one of unknown orientation and slant of the camera based on any one of the known orientation and slant of the camera, the photographed sun position, and the reference sun position.

Abstract: A sleep apnea treatment apparatus including a stimulation device that applies a stimulation to a subject, and a controller including circuitry which receives sounds produced by the subject, converts the sounds to received sound signals, obtains snoring sound information from the received sound signals, calculates an impact of snoring sound produced by the subject based on the snoring sound information, and causes the stimulation device to apply the stimulation to the subject when the impact is higher than a threshold.

Abstract: A water vapor observation device includes a water vapor index acquisition module which acquires a water vapor index calculated based on radio wave intensities of at least two frequencies out of radio waves received by a microwave radiometer, a global navigation satellite system (GNSS) precipitable water vapor acquisition module which acquires a GNSS precipitable water amount calculated based on an atmospheric delay of a GNSS signal received by a GNSS receiver, a correlation data generation module which generates correlation data between the water vapor index and the GNSS precipitable water amount based on the water vapor index and the GNSS precipitable water amount at a plurality of time points during a predetermined period, and a precipitable water vapor calculation module which calculates a precipitable water amount based on the correlation data from the water vapor index obtained based on the microwave radiometer.

Abstract: To provide a cloud observation device capable of reducing calculation cost and predicting sunshine probability by a simple method. A cloud observation device includes an image acquisition module which acquires an image in which a camera photographs the sky, a cloud extraction module which extracts clouds in the image, a sun position determination module which determines a sun position in the image, a sunshine probability calculation area setting module which sets a sunshine probability calculation area having the sun position as a base point in the image, and a sunshine probability calculation module which calculates a sunshine probability after a predetermined time has elapsed based on the sunshine probability calculation area and the extracted clouds.

Abstract: A subject information acquiring device includes a plurality of conversion element and a processing unit. Each of the plurality of conversion elements transmits acoustic waves as to a subject, receives reflected waves which have reflected within the subject, and converts the received reflected waves into time-sequence reception signals. The processing unit acquires information of within the subject by performing adaptive beam forming processing using a plurality of the reception signals. To output a plurality of times worth of reception signals based on each of a plurality of times of acoustic wave transmission, at least a part of the plurality of conversion elements perform acoustic wave transmission as to a predetermined region within the subject the plurality of times. In the adaptive beam forming processing, the processing unit performs integration processing of a plurality of correlation matrices obtained using the plurality of times worth of reception signals.

Abstract: With unwanted reflected waves, an error might be produced in a movement velocity detection of a measurement object. There is provided a subject information acquisition apparatus including a plurality of transducers configured to transmit an acoustic wave pulse to a subject, receive reflected waves reflected from a plurality of positions in the subject, and convert the reflected waves respectively into time series received signals and a processing unit configured to acquire movement information of the object by using a plurality of the received signals output from the plurality of transducers are provided. The processing unit extracts a plurality of signals each representing a movement component by using the plurality of received signals, performs adaptive signal processing by using the plurality of signals each representing a movement component, and acquires the movement information of the object by using a plurality of output signals obtained by the adaptive signal processing.