Abstract: The present invention provides an image restoration apparatus, a camera and a program which are capable of performing image restoration with simple const ruction. A specific area within a captured image is specified, and a calculation of a point spread function and the image restoration calculation are carried out using an image in the specific area.

Abstract: A signal-processing device includes a determination section that compares a frequency spectrum and a floor spectrum of an input audio signal to each other for each frequency bin and determines whether the input audio signal should be subjected to noise reduction processing or not for each of the frequency bins; and a noise reduction-processing section that subtracts a noise frequency spectrum from the frequency spectrum of the input audio signal for each of the frequency bins on the basis of the result determined by the determination section for each of the frequency bins.

Abstract: Provided are an imaging device, program, memory medium, and noise reduction method capable of appropriately reducing noise without causing degradation in a target sound such as voice. The imaging device of the present invention has: a video imaging unit for capturing video; a signal converter for converting a sound generated during video capture to a sound signal; subject determination units that predict or recognize a specific subject; a noise detector for detecting noise included in the sound generated during video capture; a noise reduction unit for reducing the noise signal from the sound signal; a voice detector for detecting non-noise signals in the sound signal; and a noise reduction performance change unit that lowers the noise signal reduction performance of the noise reduction unit when the subject determination units predict or recognize the specific subject.

Abstract: The timing when the operation state of an operation unit is changed is detected by a timing detection unit. A difference between a sound signal on which operation sound is superimposed or is highly likely to be superimposed and a sound signal on which operation sound is not superimposed is calculated based on the timing signal to obtain the operation sound information of the operation unit.

Abstract: A sound recording device includes an input unit, a timing detection unit, a section setting unit that sets a first section including a section in which an operation unit operates in a sound signal, a reference signal determination unit that determines, as a first reference signal, the sound signal corresponding to a second section following the first section, a signal detection unit that detects, as a second reference signal, a sound signal with the highest correlation with the first reference signal, an interpolation signal detection unit that detects, as an interpolation signal, a sound signal that follows the second reference signal detected by the signal detection unit in the sound signal and has the same time length as the first section, a signal replacement unit that replaces the sound signal in the first section with the interpolation signal, and a recording unit that records the sound signal replaced by the signal replacement unit.

Abstract: An image pickup apparatus includes: a first sound-collection unit that detects an ambient sound and outputs first sound information; a second sound-collection unit other than the first sound-collection unit that detects the sound and outputs second sound information; and a signal processing unit that generates a sound signal corresponding to the sound by eliminating a common noise signal included in the first sound information and the second sound information based on the first sound information and the second sound information.

Abstract: A signal processing apparatus includes a signal transforming unit transforming a first sound signal obtained by dividing a sound signal represented by a time function and by the predetermined time width into a second sound signal represented by a frequency function; a calculating unit determining a third sound signal which has a reduced influence of the operation sound by using the second sound signal and a sound signal representing the operation sound; a correcting unit performing a correction, by setting a sound signal representing the target sound as a reference signal, on the third sound signal based on the reference signal; and a signal inverse transforming unit inverse-transforming a sound signal on which the correction is performed from the sound signal represented by the frequency function into the sound signal represented by the time function.

Abstract: Provided are an imaging device, program, memory medium, and noise reduction method capable of appropriately reducing noise without causing degradation in a target sound such as voice. The imaging device of the present invention has: a video imaging unit for capturing video; a signal converter for converting a sound generated during video capture to a sound signal; subject determination units that predict or recognize a specific subject; a noise detector for detecting noise included in the sound generated during video capture; a noise reduction unit for reducing the noise signal from the sound signal; a voice detector for detecting non-noise signals in the sound signal; and a noise reduction performance change unit that lowers the noise signal reduction performance of the noise reduction unit when the subject determination units predict or recognize the specific subject.

Abstract: An optical device comprises a substrate provided with an insulation portion transmitting light, a first electrode and a second electrode transmitting light provided at said substrate sandwiching said insulation portion, and an output circuit to output voltage to said first electrode and second electrode so as to change an electric field of a surface of said substrate, wherein said first and second electrodes comprise main component which is identical with said insulation portion, and an electric resistivity is lower with respect to said insulation portion.

Abstract: An imaging device comprises a quartz crystal plate including a quartz crystal of crystal structure having a first axis and a second axis vertical to the first axis, said quartz crystal plate being provided as facing to an image pickup element taking an image from an optical system, and a vibration member provided on a surface of said quartz crystal plate crossing an optical axis of said optical system so as to vibrate said quartz crystal plate, wherein; an angle of the face of said quartz crystal plate crossing the optical axis of said optical system is substantially +45° rotated counter-clockwise around said second axis from said first axis viewing from said second axis.

Abstract: A noise reduction processing apparatus includes a timing signal detection unit that detects an operation timing signal indicating a timing when an operation unit is operated, an audio signal acquisition unit that acquires an audio signal, and on the basis of the operation timing signal, a noise reduction processing unit that calculates first frequency spectra of an audio signal acquired during a time period which has high possibility that noise caused by an operation of the operation unit is generated and second frequency spectra of an audio signal acquired during a time period which has high possibility that the noise is not generated, and calculates a noise reduction audio signal obtained by performing noise reduction to the audio signal on the basis of frequency spectra in which at least a part of the calculated first frequency spectra are replaced with corresponding portions of the calculated second frequency spectra.

Abstract: A signal-processing device includes a determination section that compares a frequency spectrum and a floor spectrum of an input audio signal to each other for each frequency bin and determines whether the input audio signal should be subjected to noise reduction processing or not for each of the frequency bins; and a noise reduction-processing section that subtracts a noise frequency spectrum from the frequency spectrum of the input audio signal for each of the frequency bins on the basis of the result determined by the determination section for each of the frequency bins.

Abstract: A vibration device comprising; a vibrator which generates bending vibration on a predetermined member, a controller which controls a driver to drive the vibrator, wherein; the vibrator comprises a plurality of driving electrodes electrically insulated respectively, the controller controls the driver to make phases of driving signals respectively output to the plurality of driving electrodes changeable relatively and adjust an order of the bending vibration.

Abstract: An imaging apparatus includes a microphone that converts a sound signal into an electrical signal, a detector that detects at least one of a sensor signal output from an operation sensor detecting an operation of an imaging unit that takes an optical image obtained by an optical unit and a control signal output from an operation unit that controls the operation of the imaging unit, a determination unit that determines a state of operation of the imaging unit based on at least one of the sensor signal and the control signal, a memory unit that stores a first electrical signal output from the microphone as a noise signal when a signal ratio of the first electrical signal and a second electrical signal is equal to or greater than a predetermined threshold value, and a noise reduction unit that reduces a noise of the electrical signal.

Abstract: The timing when the operation state of an operation unit is changed is detected by a timing detection unit. A difference between a sound signal on which operation sound is superimposed or is highly likely to be superimposed and a sound signal on which operation sound is not superimposed is calculated based on the timing signal to obtain the operation sound information of the operation unit.

Abstract: A sound recording device includes an input unit, a timing detection unit, a section setting unit that sets a first section including a section in which an operation unit operates in a sound signal, a reference signal determination unit that determines, as a first reference signal, the sound signal corresponding to a second section following the first section, a signal detection unit that detects, as a second reference signal, a sound signal with the highest correlation with the first reference signal, an interpolation signal detection unit that detects, as an interpolation signal, a sound signal that follows the second reference signal detected by the signal detection unit in the sound signal and has the same time length as the first section, a signal replacement unit that replaces the sound signal in the first section with the interpolation signal, and a recording unit that records the sound signal replaced by the signal replacement unit.

Abstract: A signal processing apparatus includes a signal transforming unit transforming a first sound signal obtained by dividing a sound signal represented by a time function and by the predetermined time width into a second sound signal represented by a frequency function; a calculating unit determining a third sound signal which has a reduced influence of the operation sound by using the second sound signal and a sound signal representing the operation sound; a correcting unit performing a correction, by setting a sound signal representing the target sound as a reference signal, on the third sound signal based on the reference signal; and a signal inverse transforming unit inverse-transforming a sound signal on which the correction is performed from the sound signal represented by the frequency function into the sound signal represented by the time function.

Abstract: An image pickup apparatus includes: a first sound-collection unit that detects an ambient sound and outputs first sound information; a second sound-collection unit other than the first sound-collection unit that detects the sound and outputs second sound information; and a signal processing unit that generates a sound signal corresponding to the sound by eliminating a common noise signal included in the first sound information and the second sound information based on the first sound information and the second sound information.

Abstract: An optical device comprises a substrate provided with an insulation portion transmitting light, a first electrode and a second electrode transmitting light provided at said substrate sandwiching said insulation portion, and an output circuit to output voltage to said first electrode and second electrode so as to change an electric field of a surface of said substrate, wherein said first and second electrodes comprise main component which is identical with said insulation portion, and an electric resistivity is lower with respect to said insulation portion.

Abstract: An imaging device comprises a quartz crystal plate including a quartz crystal of crystal structure having a first axis and a second axis vertical to the first axis, said quartz crystal plate being provided as facing to an image pickup element taking an image from an optical system, and a vibration member provided on a surface of said quartz crystal plate crossing an optical axis of said optical system so as to vibrate said quartz crystal plate, wherein; an angle of the face of said quartz crystal plate crossing the optical axis of said optical system is substantially +45° rotated counter-clockwise around said second axis from said first axis viewing from said second axis.