Disclosed are a distance image acquisition apparatus and a distance image acquisition method capable of achieving high distance measurement accuracy and omitting wasteful imaging or calculation. The distance image acquisition apparatus (10) includes a distance image sensor (14), a drive mode setting unit (20A), a distance image generation unit (20B), a pulse light emission unit (22), and an exposure control unit (24). The exposure control unit (24) controls emission and non-emission of pulse light emitted from the pulse light emission unit (22) according to a drive mode set by the drive mode setting unit (20A), and controls exposure in the distance image sensor (14). The distance image generation unit (20B) performs calculation processing of a sensor output acquired from the distance image sensor (14) according to the drive mode set by the drive mode setting unit (20A) to generate a distance image corresponding to a distance of a subject.

The present invention includes an imager 1 having an automatic exposure stopping function, which are implemented therein, and includes an exposure time measuring unit 24 to measure the exposure time from the start of exposure to the stopping of exposure in the imager 1, a measurement distance calculating unit 21 to calculate the measurement distance to an object M on the basis of a displacement of the light receiving position in the imager 1, and a data output/storage unit 25 to output and/or store, as data related with acquisition of a distance actual value, which is an actual distance to the object, in a condition in which the measured exposure time and the measurement distance calculated with this exposure time are associated with each other.

A sensing device is provided herein, which operates in a reset period, an exposure period, and a readout period. The sensing device includes a first transistor, a second transistor, a detection device, and a third transistor. The first transistor includes a control terminal and a first terminal. The second transistor is coupled to the first transistor and configured to set the voltage of the control terminal during the exposure period. The sensing device is coupled to the first transistor and configured to change the voltage of the control terminal during the exposure period. The third transistor is coupled to the first transistor and includes an output terminal outputting a sense signal from the first terminal during the readout period. The first transistor is an N-type transistor and the third transistor is a P-type transistor.

A sensing device is provided herein, which operates in a reset period, an exposure period, and a readout period. The sensing device includes a first transistor, a second transistor, a detection device, and a third transistor. The first transistor includes a control terminal and a first terminal. The second transistor is coupled to the first transistor and configured to set the voltage of the control terminal during the exposure period. The sensing device is coupled to the first transistor and configured to change the voltage of the control terminal during the exposure period. The third transistor is coupled to the first transistor and includes an output terminal outputting a sense signal from the first terminal during the readout period. The first transistor is an N-type transistor and the third transistor is a P-type transistor.

The present disclosure provides an optical compensation method for a display screen, a storage medium and an electronic device, and the method includes: determining a refresh time of a to-be-compensated screen; determining an exposure time as N times the refresh time, wherein N is a positive integer; controlling a camera to shoot the to-be-compensated screen based on the exposure time; acquiring an original image of the to-be-compensated screen captured by the camera; and performing optical compensation on the display effect of the to-be-compensated screen based on the original image. The present disclosure can avoid a split-screen phenomenon of the display effect of the screen after performing optical compensation on the display screen based on the original image.

The present disclosure provides an optical compensation method for a display screen, a storage medium and an electronic device, and the method includes: determining a refresh time of a to-be-compensated screen; determining an exposure time as N times the refresh time, wherein N is a positive integer; controlling a camera to shoot the to-be-compensated screen based on the exposure time; acquiring an original image of the to-be-compensated screen captured by the camera; and performing optical compensation on the display effect of the to-be-compensated screen based on the original image. The present disclosure can avoid a split-screen phenomenon of the display effect of the screen after performing optical compensation on the display screen based on the original image.

The present disclosure provides an optical compensation method for a display screen, a storage medium and an electronic device, and the method includes: determining a refresh time of a to-be-compensated screen; determining an exposure time as N times the refresh time, wherein N is a positive integer; controlling a camera to shoot the to-be-compensated screen based on the exposure time; acquiring an original image of the to-be-compensated screen captured by the camera; and performing optical compensation on the display effect of the to-be-compensated screen based on the original image. The present disclosure can avoid a split-screen phenomenon of the display effect of the screen after performing optical compensation on the display screen based on the original image.

The present disclosure provides an optical compensation method for a display screen, a storage medium and an electronic device, and the method includes: determining a refresh time of a to-be-compensated screen; determining an exposure time as N times the refresh time, wherein N is a positive integer; controlling a camera to shoot the to-be-compensated screen based on the exposure time; acquiring an original image of the to-be-compensated screen captured by the camera; and performing optical compensation on the display effect of the to-be-compensated screen based on the original image. The present disclosure can avoid a split-screen phenomenon of the display effect of the screen after performing optical compensation on the display screen based on the original image.

Disclosed are a distance image acquisition apparatus and a distance image acquisition method capable of achieving high distance measurement accuracy and omitting wasteful imaging or calculation. The distance image acquisition apparatus (10) includes a distance image sensor (14), a drive mode setting unit (20A), a distance image generation unit (20B), a pulse light emission unit (22), and an exposure control unit (24). The exposure control unit (24) controls emission and non-emission of pulse light emitted from the pulse light emission unit (22) according to a drive mode set by the drive mode setting unit (20A), and controls exposure in the distance image sensor (14). The distance image generation unit (20B) performs calculation processing of a sensor output acquired from the distance image sensor (14) according to the drive mode set by the drive mode setting unit (20A) to generate a distance image corresponding to a distance of a subject.

Disclosed are a distance image acquisition apparatus and a distance image acquisition method capable of achieving high distance measurement accuracy and omitting wasteful imaging or calculation. The distance image acquisition apparatus (10) includes a distance image sensor (14), a drive mode setting unit (20A), a distance image generation unit (20B), a pulse light emission unit (22), and an exposure control unit (24). The exposure control unit (24) controls emission and non-emission of pulse light emitted from the pulse light emission unit (22) according to a drive mode set by the drive mode setting unit (20A), and controls exposure in the distance image sensor (14). The distance image generation unit (20B) performs calculation processing of a sensor output acquired from the distance image sensor (14) according to the drive mode set by the drive mode setting unit (20A) to generate a distance image corresponding to a distance of a subject.