A projection system and a projection method are provided. The projection system includes a projection device, a streaming device, and a control device. The projection device includes a first image input port and a second image input port. The streaming device is electrically connected to the first image input port of the projection device and is coupled to the projection device in a detachable manner. The control device is communicatively connected to the streaming device. The control device transmits a first command signal to the streaming device, so that the projection device projects image data from the streaming device. The projection method may be executed by the projection system. The projection system and the projection method of the disclosure provide a user with more convenient operation environment and operation interface.

A lighting apparatus for a vehicle may include a light output unit; an interface unit; and at least one processor. The at least one processor may be configured to control the light output unit to generate light that illuminates an exterior of the vehicle. The at least one processor may also be configured to receive first information via the interface unit; and control the light output unit to display, via the light that illuminates the exterior of the vehicle, a visual image corresponding to the received first information. The at least one processor may further be configured to receive second information via the interface unit; and control the light output unit based on the received second information to change the visual image displayed by the light that illuminates the exterior of the vehicle.

A parameter adjusting method is applied to a projector having an ambient light sensor, a database and a digital micromirror device. The parameter adjusting method includes analyzing a detection signal generated by the ambient light sensor to acquire an environmental light datum, comparing the environmental light datum with a lookup table of the database to compute at least one compensation parameter, and adjusting an amount of reflection light generated by the digital micromirror device in accordance with the at least one compensation parameter for controlling the projector to output a calibrated projection image in response to compensation of the environmental light datum.

Provided is an array light source. The array light source includes light-emitting modules, a wavelength conversion apparatus configured to convert excitation light into excited light, a control apparatus configured to transmit a light modulation signal, and a light modulation apparatus configured to modulate the excited light based on the light modulation signal, emit the modulated light, and form a modulated image. Each light-emitting module is configured to emit the excitation light. The light-emitting modules include edge light emitting modules distributed along an edge of the array light source and center light-emitting modules surrounded by the edge light-emitting modules. A maximum luminous intensity of the edge light-emitting modules is greater than that of the center light-emitting modules.

An illumination device according to the present disclosure includes: a first light source that outputs first illumination light subjected to phase modulation to have desired intensity distribution; a second light source that outputs second illumination light; an integrator optical system that uniformizes intensity distribution of the second illumination light; a polarization conversion element that aligns polarization directions of incident light in one polarization direction; and a reflection element disposed on an optical path between the integrator optical system and the polarization conversion element, the reflection element multiplexing the first illumination light and the second illumination light and causing each of the first illumination light and the second illumination light to enter the polarization conversion element.

A projection apparatus projects an image on a screen based on input data including information on absolute luminance. The projection apparatus includes: a peak luminance value acquisition unit configured to acquire a peak luminance value on the screen when the projection apparatus projects an image on the screen at a maximum output gradation value; a reference luminance value setting unit configured to set a reference luminance value to be higher than the peak luminance value; a relation information setting unit configured to set, based on the reference and peak luminance values, relation information indicating a relation between an output gradation value and a light output value for displaying an output image; an output gradation value setting unit configured to set an output gradation value based on the input data and the relation information; and an output control unit configured to output an image based on the output gradation value.

A light source apparatus includes a first light source that includes a plurality of first light emitters arranged in a row along a first direction and emits a first luminous flux, a second light source that includes a plurality of second light emitters arranged in a row along a second direction and emits a second luminous flux in a direction in which the first luminous flux is emitted, and a combiner that combines the first and second luminous fluxes with each other to produce combined light and outputs the combined light to an irradiated region. The combined light has a combined light intensity distribution in which a first region where a light intensity of the first luminous flux is maximized and a second region where a light intensity of the second luminous flux is maximized do not overlap with each other.

[Problem] An information processing apparatus, an information processing method, and a recording medium with which a user can recognize a boundary of a drivable range by feedback for a projection specification position by the user to facilitate determination of and search for a projection position are provided. [Solution] The information processing apparatus includes a controller configured to perform processing of outputting feedback indicating an effect corresponding to a boundary of a drivable region of a drive-type projector in a projection environment space in accordance with a state of a projection specification position specified by a user for the drivable region, the state being determined based on the drivable region and the projection specification position.

An image display apparatus according to an embodiment of the present technology includes an optical modulator, an optical device, and a sensor unit. The optical device splits a modulated light beam modulated by the optical modulator into a first split light beam and a second split light beam, the first split light beam and the second split light beam each travelling in a different direction, and prevents a light beam, which backwardly travels on an optical path of the first split light beam and enters the optical device, from travelling along an optical path of the second split light beam. The sensor unit is disposed on the optical path of the second split light beam and detects a state of the second split light beam.

Devices and methods for improving the flow of traffic at an intersection are disclosed, such as a traffic light assistance system comprising a light emitter, a light-directing device, a vehicle sensor, a traffic signal detector, and a control unit. The traffic light assistance system can be configured to detect a vehicle and direct projected light toward said vehicle to indicate a change of status of a traffic light. Such devices and methods can alert an operator of a vehicle to a change of status of a traffic light, such as a traffic signal turning green, and indicating that the operator should accelerate the vehicle. By providing means to alert otherwise distracted or inattentive drivers, time spent in traffic can be reduced.