Abstract: The present disclosure relates to a vibrating mirror adjustment apparatus, system and method, and a projector. The vibrating mirror adjustment apparatus includes: an image feature acquiring module, an image identifying module, a resolution extracting module, and a vibrating mirror control module. The vibrating mirror adjustment apparatus identifies the category of the projected image and the resolution information corresponding to the projected image based on the acquired information feature of the projected image, then identifies whether vibration of the vibrating mirror is used to improve a resolution of an image, and further automatically controls the on or off state of the vibrating mirror, such that an optimal projection display effect is achieved, and visual enjoyment of a user is greatly improved.

Abstract: Embodiments of the present disclosure relate to a smart tracking-based projection method and system. The method includes: acquiring information of a real space of a spatial information capturing unit, constructing a 3D model of the real space, and acquiring first position information of a projection picture; acquiring target image information of a target tracking unit, and acquiring second position information of a tracking target based on the target image information; acquiring a target projection region based on the 3D model and the second position information; acquiring, based on the target projection region, rotation information desired by the projection unit; and controlling, based on the rotation information, a drive unit to operate such that the projection picture reaches the target projection region.

Abstract: Embodiments of the present application provide a method, apparatus, device, and system for customizing motion-based projection. The method executed by an electronic device includes: acquiring a three-dimensional spatial model corresponding to an actual projection environment; acquiring a mounting position of a projection device and positions of at least two target projection regions configured by a user in the three-dimensional spatial model; and sending the mounting position of the projection device and the positions of the at least two target projection regions in the three-dimensional spatial model to the projection device. According to the present application, the movement path for motion-based projection may be customized, the target projection regions traveled by the movement path can be accurately positioned with no need of on-site adjustment, modified and reused at will.

Abstract: An environment experiencing method and apparatus in augmented reality, and an electronic device are provided. The environment experiencing method in augmented reality includes: an item select instruction is received; a simulated environment of a specified item is generated based on the item select instruction; a simulated image is generated and applied to the simulated environment; and an interaction action is received from a user and the interaction action is responded to.

Abstract: Embodiments of the present application relate to the technical field of projection, and in particular, relate to a projection method and a projection device. The projection method includes: acquiring a projection image and an environmental image when a screen picture is projected to a projection region, wherein the environmental image includes an image when a predetermined projection screen picture is projected to the projection region or an image when no screen picture is projected to the projection region; regulating an aperture based on the projection image and the environmental image, wherein the aperture is configured to control a light flux projected to the projection region. Therefore, by adjusting the light flux, impacts caused by the stray light may be mitigated, and a relationship between projection contrast and luminance may be better coordinated, such that the projection contrast and luminance are effectively balanced and hence projection quality is improved.

Abstract: Embodiments of the present disclosure, provide a projection image anti jitter method and apparatus, and a projector. With the projection image anti jitter method, jitter data of a projection lens is captured; jitter characteristic information and offset data are acquired by calculation; and the projection image is adjusted based on the offset data.

Abstract: Embodiments of the present disclosure provide a projector and a projection system. In the projector, a projection light source, a polarizing beam splitting prism, and a projection lens are disposed in a first direction, and the polarizing beam splitting prism is disposed between the projection light source and the projection lens; a polarized light converting component, the polarizing beam splitting prism, and an LCOS imaging chip are disposed in a second direction, and the polarizing beam splitting prism is disposed between the polarized light converting component and the LCOS imaging chip, wherein the second direction is perpendicular to the first direction.

Abstract: Embodiments of the present disclosure relate to the technical field of digital projection and display, and in particular, relate to an automatic focusing projection method and system. The embodiments provide an automatic focusing projection method, which is applicable to an automatic focusing projection system. The automatic focusing projection system includes a ranging unit, a projection unit, and a reflection unit. The method includes: acquiring a depth image from the ranging unit, and acquiring a vertical projection distance from the ranging unit to a projection plane based on the depth image; acquiring position information of a center point of a projection picture in the depth image based on an elevation angle of the reflection unit and the vertical projection distance; acquiring a projection distance between the projection unit and the projection picture based on the position information; and performing focus adjustment on the projection unit based on the projection distance.

Abstract: An unmanned store is provided. The unmanned store includes a projection device, a rotation device, a functional keypad, and a control system. The projection device may project a virtual image to a real space of the unmanned store; the rotation device is connected to the projection device, and is configured to drive the projection device to rotate such that the virtual image moves in the real space; the functional keypad includes a functional key, and may send a key signal to a control system in response to the functional key being pressed; upon receiving the key signal, the control system switches the commodity information displayed by the projection device based on the key signal.

Abstract: Embodiments of the present disclosure relate to a zooming projection method and a projector. The projector includes a focusing device and a lens movable along an optical axis. The method includes: acquiring a projection distance between the projector and a projection position; adjusting the lens to a target position for projection by the focusing device in response to the projection distance being within an optical zooming range; and scaling a projection image and projecting the scaled projection image in response to the projection distance being not within the optical zooming range.

Abstract: Embodiments of the present disclosure propose a method for controlling projection of a projection module, a projection system and a storage medium. The method for controlling projection of the projection module includes: obtaining a projection environment where the projection module is located, and determining a position of a target person according to the projection environment; and planning the best projection position in the projection environment according to the projection environment and the position of the target person. The best projection position in the projection environment is planned according to the position of the target person, so that the projection picture projected by the projection module can be adaptively changed along the position of the target person to fit with the current status of the target person to improve the perception experience of the user.

Abstract: The present disclosure provides a fly-eye lens module, a lighting device, and a DLP optical engine. The fly-eye lens module includes a first plastic fly-eye lens, a second plastic fly-eye lens, and a glass triangular prism structure. The first plastic fly-eye lens is provided on a surface thereof with a first circular region, and the second plastic fly-eye lens is provided on a surface thereof with a second circular region. The first and the second circular regions are both configured as a fly-eye structure having a concave-convex structure, and are respectively fixed to two sides of the cuboid glass structure by a bonding agent. The second and the first plastic fly-eye lenses are disposed such that the light spot emitted from the point light source is incident to the fly-eye lens module via the first plastic fly-eye lens, and is emitted from the second plastic fly-eye lens.

Abstract: The present application provides a method, a device, and an apparatus for assembling a prism. The method includes: acquiring scanned data by scanning a space where the prism and the fitting body are disposed in response to the prism being placed at a first predetermined station and the fitting body being placed at a second predetermined station; generating a physical 3D model by three-dimensional reconstruction on the prism, the fitting body, and the space based on the scanned data; acquiring comparison data by comparing the physical 3D model with a theoretic 3D model, wherein the theoretic 3D model is a theoretic model for fitting the prism to the fitting body; and controlling, based on the comparison data, a manipulator to fit the prism at the first predetermined station to the fitting body at the second predetermined station.

Abstract: The present application relates to the technical field of digital projection and discloses a method and a system for adjusting projection dithering. The method includes follow steps: respectively setting a dithering parameter to at least two values within a preset value range, respectively acquiring projection images when the dithering parameter takes different values, calculating definition values of the projection images and obtaining a target dithering value according to the definition values of the projection images; and saving the target dithering value to an optical machine. In this way, the projection dither can be automatically adjusted to the optimal position according to the target dithering value, and the projection picture is more stable and clearer.

Abstract: Embodiments of the present application relate to a projection apparatus. The projection apparatus includes: a projection apparatus body; a projection unit, disposed on the projection apparatus body, and configured to project a projection picture; and an adjustment unit, disposed on the projection apparatus body and being movable relative to the projection apparatus body, wherein in response to moving to a first position relative to the projection apparatus body, the adjustment unit is configured to bear exit light from the projection unit, and adjust a projection direction of the exit light. The adjustment unit bears exit light from the projection unit and adjusts the projection direction of the exit light, such that a projection direction of the projection picture is adjusted.

Abstract: The present disclosure provides a projection apparatus. The projection apparatus includes: a projection body, a rotation platform, wherein the projection body is rotatably connected to the rotation platform; a first drive device, arranged on the projection apparatus and configured to drive the projection body to rotate relative to the rotation platform; a base, wherein the rotation platform is rotatably connected to the base; a second drive device, arranged on the base and configured to drive the rotation platform to rotate relative to the base; and a controller, arranged on the projection apparatus and configured to control the first drive device and the second drive device.

Abstract: The present disclosure provides a projection apparatus. The projection apparatus includes: a light supply device, including an LED lamp and a collimator fly-eye lens, wherein lamp bodies of the LED lamp are arrayed and the LED lamp is capable of simultaneously emitting red, green, and blue light rays, and the collimator fly-eye lens is capable of collimating the light ray emitted by each of the lamp bodies; an optical path conversion device, configured to convert a direction of the light rays emitted by the light supply device; a DMD device, configured to process the light rays from the optical path conversion device and feed the processed light rays to the optical path conversion device; and a projection lens device; wherein the light rays transmitted by the optical path conversion device to the projection lens device to achieve image projection.

Abstract: Embodiments of the present disclosure, relating to the technical field of projection, provides a projection device. The projection device includes: an imaging module, configured to project images; a position adjustment module, connected to the projection module, and configured to adjust a position of the projection module; a controller, connected to the projection module and the position adjustment module, and configured to control the projection module to project images, and control the position adjustment module to adjust the position of the projection module.

Abstract: The present disclosure provides a projection lens and a projector. The projection lens includes: a first lens, a second lens, a third lens, a triple-cemented lens, a fourth lens, a prism, and a DMD chip that are successively disposed along an optical axis from an image side to an object side; wherein the first lens has a negative focal power, the second lens has a negative focal power, the third lens has a positive focal power, the triple-cemented lens has a positive focal power, and the fourth lens has a positive focal power.

Abstract: The present disclosure provides a dual reflective micro projection optical engine. The dual reflective micro projection optical engine includes a light source and a DMD chip, and a collimating light-combining module, a fly-eye lens, a diopter prism, a reflective mirror, a relay lens, a prism assembly, and a projection lens that are successively disposed in a light exit direction of the light source, wherein a light incident surface and a light exit surface of the diopter prism are planar surfaces.