Abstract:
A distance image processing device, a distance image acquisition device, and a distance image processing method that enable acquisition of a distance image with high precision and high visibility in the case of short range measurement are provided. A distance image processing device includes a first discrimination unit that discriminates a pixel having a distance value exceeding a certain distance range among a plurality of pixels of a distance image as an abnormal pixel, a second discrimination unit that discriminates the abnormal pixel discriminated by the first discrimination unit as a first abnormal pixel that is continuous and a second abnormal pixel that is not continuous, and a clipping processing unit that changes a distance value of the first abnormal pixel into a certain value.
Abstract:
A distance measurement device includes an imaging unit, a measurement unit that measures a distance to a subject by emitting directional light which is light having directivity to the subject and receiving reflection light of the directional light, and a deriving unit that acquires a correspondence relation between an in-provisional-image irradiation position, which corresponds to an irradiation position of the directional light onto the subject, within a provisional image acquired by provisionally imaging the subject by the imaging unit whenever each of a plurality of distances is provisionally measured by the measurement unit and a distance which is provisionally measured by the measurement unit by using the directional light corresponding to the in-provisional-image irradiation position, and derives an in-actual-image irradiation position, within an actual image acquired by performing actual imaging by the imaging unit, based on the acquired correspondence relation.
Abstract:
A distance measurement device includes a detection unit, an optical path forming unit, a first reduction unit, based on a detection result of the detection unit, influence of variation of the optical axis of the image formation optical system, a second reduction unit that is disposed in a different part from a common optical path and reduces variation of the optical axis of the directional light with respect to the subject based on the detection result of the detection unit, and a control unit that, in the case of operating the first reduction unit and the second reduction unit at the same time, controls the first reduction unit and the second reduction unit to reduce variation of an irradiation position of the directional light in the subject image received as light by the light receiving section.
Abstract:
A distance measurement device includes an imaging unit which captures a subject image formed by an imaging optical system forming the subject image indicating a subject, an emission unit which emits directional light as light having directivity along an optical axis direction of the imaging optical system, a light receiving unit which receives reflected light of directional light from the subject, a derivation unit which derives a distance to the subject based on a timing at which directional light is emitted by the emission unit and a timing at which reflected light is received by the light receiving unit, and a control unit which performs control such that at least a part of an imaging period by the imaging unit overlaps at least a part of a distance measurement period by the emission unit, the light receiving unit, and the derivation unit.
Abstract:
A distance measurement device includes an imaging unit, an emission unit, a light receiving unit, a derivation unit which derives a distance to the subject based on a timing at which directional light is emitted and a timing at which reflected light is received, an execution unit which executes at least one of focus adjustment of an imaging optical system with respect to the subject or exposure adjustment prior to imaging by the imaging unit, and a control unit which performs control such that the timing at which at least one of focus adjustment or exposure adjustment is executed by the execution unit and the timing of a distance measurement by the emission unit, the light receiving unit, and the derivation unit are synchronized and performs control such that transition is performed to a state where actual exposure by the imaging unit is possible after the distance measurement is completed.
Abstract:
An information processing apparatus includes a processor, and a memory connected to or built in the processor, in which the processor performs first distance measurement of measuring a distance to an imaging region based on an irradiation timing at which a light irradiator emits light to the imaging region and a light-receiving timing at which a light receiver receives reflected light of the light from the imaging region, performs second distance measurement of measuring the distance to the imaging region based on a first image obtained by imaging the imaging region by an imaging apparatus, and executes a specific process in a case in which a first distance measurement result obtained by performing the first distance measurement and a second distance measurement result obtained by performing the second distance measurement are different from each other.
Abstract:
Provided is an information processing device including an acquisition unit that acquires a first captured image, a second captured image, and a distance to a subject, and a derivation unit that derives an imaging position distance which is a distance between the first imaging position and the second imaging position, on the basis of a plurality of pixel coordinates for specifying a plurality of pixels of more than three pixels which are present in the same planar region as an emission position irradiated with the directional light beam on the real space and correspond to the position on the real space in each of the first captured image and the second captured image which are acquired by the acquisition unit, emission position coordinates which are derived on the basis of the distance acquired by the acquisition unit, a focal length of an imaging lens, and dimensions of imaging pixels.
Abstract:
A processor of a detection device is configured to, in physical pixel disposition before and after movement of an image sensor having a plurality of physical pixels arranged in a first direction and a second direction intersecting the first direction, move the image sensor to a location at which a first physical pixel after movement to a location adjacent to a second physical pixel different from the first physical pixel before movement is positioned, cause the image sensor to perform imaging before and after movement, and detect a defective physical pixel from the plurality of physical pixels based on a degree of difference in pixel values between image pixels corresponding to the second physical pixel before movement and the first physical pixel after movement, respectively, among a plurality of image pixels included in each of a plurality of images obtained by being captured by the image sensor.
Abstract:
An instruction position detection device includes: a processor that acquires a movement amount of an instruction position of an indicator capable of detecting the movement amount, and performs a control of projecting, from a projection apparatus, an image including a setting image for setting an origin of the instruction position of the indicator, and the processor is configured to: acquire an input result of a setting operation of an operator in a state where an instruction for a position indicated by the setting image in a projected projection image is provided by the indicator; and perform a control of detecting the instruction position of the indicator in the image based on the position of the setting image in the image and the movement amount after the input result of the setting operation is acquired.
Abstract:
A processor measures a first distance to an object in a distance measurement target region on the basis of an irradiation timing when a light irradiator performs surface irradiation on the distance measurement target region with light and a light receiving timing when a light receiver receives reflected light of the light from distance measurement target region. In a case in which a specific pixel included in the light receiver generates a plurality of signals at different timings within a light receiving period corresponding to the surface irradiation by the light irradiator, the processor measures the first distance on the basis of a relationship between the plurality of signals.