1175 results about "Projection screen" patented technology

The invention discloses projection equipment and a projection picture processing method. The projection equipment comprises a light emitting assembly, a camera and a controller. The light emitting assembly is configured to project the projection content to the projection surface, the camera is configured to shoot the sampling image, the controller responds to different instructions to realize obstacle avoidance, correction, movement and other processing of the projection image, and the user experience is improved.

The invention relates to the technical field of projection display, and discloses a multi-projection picture splicing method and system based on geometric correction. The method comprises the following steps: acquiring initial parameters and original picture data of the multi-projection equipment, wherein the original data contains an overlapped region image and is acquired according to a preset direction; geometric correction is carried out on the original image, geometric distortion feature points are extracted, and a mapping relation matrix is generated; dividing projection boundaries based on the matrix, and adjusting parameters to form a correction parameter set; performing spatial registration on the picture data according to the parameter set to generate multi-channel data; and carrying out fusion processing on the multi-channel data overlapping region, eliminating light intensity difference and color deviation, and generating a continuous splicing picture. The system comprises a data acquisition module, a geometric correction module, a parameter adjustment module, a space registration module and a fusion processing module. Through high-precision geometric correction, adaptive fusion and dynamic adjustment, the precision and visual effect of multi-projection image splicing are improved, and the method is suitable for large-size display scenes and has the advantages of being high in environmental adaptability, high in automation degree and the like.

The utility model discloses a projection screen support with small storage volume, which comprises a connecting disc, a plurality of first supporting rods and two supporting legs, the first supporting rods are rotatably connected with the connecting disc, the plurality of first supporting rods are arranged around the outer side of the connecting disc, first elastic hanging pieces are arranged on the first supporting rods, and the two supporting legs are arranged on the first supporting rods. First clamping grooves are formed in the connecting disc, first elastic hanging pieces are arranged in the first clamping grooves, first buckles extend on the first elastic hanging pieces, the first buckles are clamped into the first clamping grooves, the supporting legs are rotationally connected with the connecting disc, the two supporting legs are arranged around the outer side of the connecting disc, second elastic hanging pieces are arranged in the middles of the supporting legs, second buckles extend on the second elastic hanging pieces, and the second buckles are clamped into the second clamping grooves. And the second buckle is clamped into the second clamping groove. The projection screen support provided by the utility model is small in storage volume, can be folded to reduce the volume, and is convenient for a user to store and carry.

Sport simulation system. The present disclosure includes disclosure of a sport simulation system, including a box truck comprising a box, a driver-side fold-out configured to extend laterally from the box on a first side, and a passenger-side fold-out configured to extend laterally from the box on a second side opposite the first side, wherein an interior of the box is configured as a sport simulator with a projection screen.

The embodiments of the present application provide a screen projection reverse control method, a screen projection system, and a screen projection device, and relate to the field of screen projection technology. The method is applied to a target screen projection device directly connected to a terminal device in at least one screen projection device included in the screen projection system, the screen projection system also includes a projection screen, and at least one screen projection device is communicatively connected to the projection screen. The method includes: receiving reverse control information sent by the projection screen; encapsulating the reverse control information into an operation message supported by the kernel according to the target type of the control operation; passing the operation message to an event node corresponding to the type of the control operation, and converting the operation message into a control signal about the terminal device through the event node; sending the control signal to the terminal device, so that the terminal device receives the control signal and performs a reverse control operation of the target type based on the position information. In this way, through at least one screen projection device, multi-level transmission of the reverse control signal is realized, and reverse control of the terminal device by the projection device is realized.

The present application relates to a kind of vehicle body paint defects detection device and its detection method, including servo controller, industrial computer, vehicle body conveying mechanism, several area array cameras, several projectors and several projection screens, the industrial computer is connected with the servo controller, the servo controller is connected with the vehicle body conveying mechanism, the vehicle body conveying mechanism can be driven under the action of the servo controller and industrial computer and be moved in length direction and height direction for vehicle to be detected, the area array camera is distributed around vehicle to be detected, the industrial computer is connected with the projector, the projection screen is set in the periphery of the projector and corresponds with the projector, the vehicle body paint defects detection device and its detection method, collection efficiency is high, imaging quality is high, system structure is compact, and cost is low.

The present invention relates to a projector optical-mechanical module optimization method, system and computer equipment, and the method includes: obtaining light source system parameters and projection environment data of the projector optical-mechanical module, performing adaptive adjustment, and obtaining initialization light source output parameters; obtaining real-time operation data of the projector optical-mechanical module, and performing correlation processing with the initialization light source output parameters to obtain corresponding real-time projection state information; obtaining projection picture data of the projector optical-mechanical module, performing quality assessment on the real-time projection state information, and obtaining corresponding picture optimization trends; performing solution analysis on the real-time projection state information and the picture optimization trends, and obtaining corresponding initial module adjustment solutions; performing effect prediction on the enhanced picture based on the picture optimization trends, and performing comprehensive analysis with the initial module adjustment solutions, and obtaining corresponding global optimization strategies. The present invention can adaptively adjust light source output parameters and effectively cope with challenges under different projection environments.

A head-up display system and a vehicle system are provided. The head-up display system includes a display and a projection screen. The display is configured to display a first image. The projection screen is disposed adjacent to the display and is configured to let the first image to be projected thereon to form a second image. The display includes a first region adjacent to the projection screen and a second region away from the projection screen. The projection screen includes a third region adjacent to the display and a fourth region away from the display. When the display displays the first image, a brightness difference between the first region and the second region is greater than a brightness difference between the third region and the fourth region.

Systems and methods described herein relate to using silver-coated twisted-coil polymer fibers to adjust the shape of inflatable structures, such as to provide an adjustable curved projection screen. In one embodiment, a method includes providing an adjustable inflation system capable of providing an electrical stimulus to a set of fibers within an inflatable structure where the set of fibers can adjust a surface of the inflatable structure from a first state to a second state based on the electrical stimulus.

The invention discloses a peep-proof method and device for a vehicle-mounted projection screen, electronic equipment and a storage medium. The method comprises the steps that a peep-proof instruction is received; based on the peep-proof instruction, determining a target peep-proof area on the vehicle-mounted projection screen; performing first roughening treatment on the target peep-proof area to enable the target peep-proof area to enter a peep-proof mode; the roughness of the target peep-proof area after the first roughening treatment is greater than the wavelength of a projection light source. According to the scheme, dynamic peep prevention is achieved by adjusting the roughness of the target peep-proof area of the vehicle-mounted projection screen, privacy can be effectively protected, safety can be effectively improved, the intelligent level of the vehicle can be further improved, the driving experience of a user can be improved, and diversified application requirements are met.

The utility model discloses a projection screen, a sky screen and a vehicle, the projection screen is used for the vehicle, the vehicle comprises a top frame, the projection screen comprises a screen and a driving mechanism, and the screen is rotatably connected with the top frame through a rotating shaft; the driving mechanism comprises a first driving motor, a driving sliding block and a driving rod, the first driving motor is in transmission connection with the driving sliding block, the driving rod is hinged between the screen and the driving sliding block, and the first driving motor drives the screen to rotate around the rotating shaft through the driving sliding block and the driving rod. According to the projection screen, the first driving motor drives the screen body to rotate around the rotating shaft through the driving sliding block and the driving rod so that the screen body can move between the containing position and the unfolding position, the screen body does not occupy the space in a vehicle when located at the containing position, the screen body is used by passengers in the vehicle when located at the unfolding position, and the screen body is driven to rotate through the first driving motor. Practicality and convenience of storage and unfolding of the screen can be improved.

The invention discloses an unmanned aerial vehicle highway inspection and warning device, which can quickly warn drivers of vehicles behind when an unmanned aerial vehicle recognizes abnormal road conditions and abnormal traffic conditions, so as to avoid or reduce traffic accidents. The system comprises an inspection unmanned aerial vehicle which mounts a visual detection module and a projection module; the auxiliary unmanned aerial vehicle is used for mounting the projection screen; the inspection unmanned aerial vehicle and the auxiliary unmanned aerial vehicle are matched one by one to construct an inspection system, and the inspection system has an inspection working mode and a warning mode; in the inspection working mode, the inspection unmanned aerial vehicle inspects along a highway, the visual inspection module shoots video image data of a front road surface, automatically identifies the road surface condition and assists the unmanned aerial vehicle to follow behind the inspection unmanned aerial vehicle; in the inspection working mode, when the inspection unmanned aerial vehicle detects that abnormal conditions such as dangerous road conditions or traffic accidents exist on the road surface, the system is switched into the warning mode.

The invention discloses a collaborative projection method and device for double intelligent vehicle lamps. The method comprises the following steps: establishing a world coordinate system, a left vehicle lamp coordinate system, a projection picture coordinate system, a right vehicle lamp coordinate system and a projection picture coordinate system; establishing an equivalent vehicle lamp coordinate system of the left vehicle lamp coordinate system and the right vehicle lamp coordinate system; when the world coordinate of the car lamp projection is known, the conversion relation between the pixel coordinate in the equivalent car lamp coordinate system and the world coordinate system, the conversion relation between the pixel coordinate on the projection image of the left car lamp and the world coordinate system and the conversion relation between the pixel coordinate on the projection image of the right car lamp and the world coordinate system are combined; pixel coordinates on the projection image of the left vehicle lamp and pixel coordinates on the projection image of the right vehicle lamp are obtained through calculation. According to the method, the conversion relation between the pixel coordinates on the projection images of the equivalent vehicle lamp, the left vehicle lamp and the right vehicle lamp and the world coordinate system is simultaneously established, so that the intelligent vehicle lamps on the left side and the right side can align the pixels and cooperatively project the target pattern.

The invention discloses a projector and optical motion capture joint calibration system and method, and relates to the technical field of projection, and the method comprises the steps: erecting an optical motion capture camera, obtaining a calibration tool, moving the calibration tool, carrying out the information collection based on the optical motion capture camera, and determining the internal and external parameters of the optical motion capture camera. Outputting a motion capture system calibration completion result; when a calibration completion result of the motion capture system is received, obtaining an RGB camera, and installing a calibration rigid body on the RGB camera; performing hand-eye calibration on the RGB camera and the calibration rigid body to obtain camera internal reference information and hand-eye calibration external reference information, and outputting a hand-eye calibration completion result; and after a hand-eye calibration completion result is received, creating a pattern sequence image, projecting the pattern sequence image on the projection screen, adjusting the pattern sequence image, and outputting a pattern projection completion result. The method has the effect of improving the joint calibration precision of the projector and optical motion capture.

The invention relates to a projection device for a vehicle, the projection device being arranged on a B-pillar of the vehicle, the projection device being pivotally mounted on the B-pillar at least with respect to the transverse direction of the vehicle, the projection device can take a plurality of interior trim parts in a vehicle as a projection screen and project an image onto one of the interior trim parts. According to the projection device, comfortable and excellent viewing experience can be flexibly provided for vehicle passengers at low cost. The invention further relates to a projection system for a vehicle, to a vehicle, and to a method for projecting in a vehicle.

The invention discloses an interaction method for a projection picture, a projector and a storage medium, and the method comprises the steps: obtaining a first space relation between a remote controller and a positioner, and obtaining a remote control-positioning space conversion relation between a remote controller coordinate system and a positioner coordinate system; obtaining a second spatial relationship of the projector relative to the positioner, and obtaining a projection-positioning spatial conversion relationship between the projector coordinate system and the positioner coordinate system; obtaining a projection distance and a light path angle, and determining a projection area of a projection picture on the target projection surface in a projector coordinate system; according to the remote control pointing and remote control-positioning space conversion relation in the remote controller coordinate system and the projection area and projection-positioning space conversion relation, intersection point coordinates of the remote control pointing and the projection area are obtained; and displaying an indication cursor at a position corresponding to the intersection point coordinate on the projection picture. The directional remote control of the remote controller on the projection picture is realized, so that the convenience of interactive operation is improved.

Some embodiments of the invention provide a screen projection data-based picture display method, which can receive screen projection data sent by a terminal device, and detect feature information of the screen projection data in a preset time period. If the feature information is changed in the preset time period, maintaining display parameters of the projection screen; otherwise, calculating a target display parameter of the screen projection picture according to the invalid picture area of the current picture frame, and controlling the display to display the screen projection picture according to the target display parameter. Wherein the target display parameter is used for setting the center point of the effective picture area in the current picture frame at the reference center point of the user interface, and meanwhile, the display proportion of the effective picture area in the user interface is made to be maximum. According to the method, when the projection screen data is in the stable state, the invalid picture area displayed by the display equipment can be removed to the greatest extent, and the picture centering display effect of the valid picture area is kept, so that the display effect of the projection screen picture is improved while the system resource consumption is reduced.

The utility model discloses a vehicle-mounted projection screen, which comprises an outer cover, a curtain, two symmetrical folding rods and a transverse plate, a winding drum is rotatably connected in the outer cover, a motor is arranged in the outer cover, an output shaft of the motor is connected with one end of the winding drum, one end of the curtain is wound on the outer side of the winding drum, the other end of the curtain extends out of the outer cover, and the transverse plate is arranged in the outer cover. One end of the folding rod is rotatably connected with the outer cover, an elastic assembly is arranged on the folding rod, the two ends of the elastic assembly are connected with the two ends of the folding rod respectively, the middle of the elastic assembly abuts against the bent position of the folding rod, the other end of the folding rod is rotatably connected with the transverse plate, and the other end of the curtain is fixedly connected with the transverse plate. According to the vehicle-mounted projection screen provided by the utility model, the film watching display area of film and television equipment in a carriage is increased, and the discomfort of eyes of a user during watching can be reduced by adopting the screen displayed by reflected light.

The invention relates to a one-to-many screen projection dynamic coding control method and device and a storage medium, the dynamic coding control method is applied to a sending end during one-to-many screen projection, the sending end is in communication connection with a plurality of receiving ends, and the dynamic coding control method comprises the following steps: connecting a data source device, and obtaining screen projection data; acquiring a communication quality parameter once every other preset monitoring period; the communication quality parameters are communication quality parameters of communication connection between the sending end and each receiving end; encoding the screen projection data according to the communication quality parameters to obtain encoded data; and sending the coded data to the receiving end for screen projection display. According to the invention, the data display effects of different receiving ends can be dynamically adjusted according to the quality of wireless communication in the monitoring period, so that the user experience of one-to-many screen projection is improved.

The invention provides a multi-window different display screen projection method based on a container execution mechanism, and relates to the technical field of intelligent terminal display, and the method comprises the steps: constructing a plurality of target containers based on an active component, and arranging the target containers according to a preset layout template to generate a virtual main window, acquiring a user touch screen event through the virtual main window, converting an original coordinate of the user touch screen event into a target coordinate, sending the target coordinate to a target application window in a target container, driving the target application window to execute logic operation, generating a real-time picture frame, storing the real-time picture frame in a frame buffer area of the target container, reading all the real-time picture frames through the virtual main window, and displaying the real-time picture frame. According to the method, the virtual windows are selected, the virtual windows are spliced according to a preset layout template to obtain a synthesized projection screen picture, and the synthesized projection screen picture is coded and transmitted to an external screen projection end through a projection screen protocol, so that the development efficiency can be improved, multi-window different-display projection screen is realized, the projection screen diversity is enriched, various containers are flexibly arranged in the main virtual window, and the development efficiency is improved. And the method is suitable for different large-screen scenes and meets diversified screen projection requirements.

The invention relates to the technical field of electric digital data processing, and provides an intelligent interactive commercial display projection screen and multi-screen display system, which comprises a server, display equipment, a circulation module, an interaction module, a display module and an environment perception module, and is characterized in that the interaction module is used for interaction of the display equipment so as to determine an equipment identification code of the display equipment; the environment sensing module senses the environment where the display device is located so as to obtain environment data of the display device, the circulation module enables the interactive display device to conduct circulation of display content and dynamically feeds back display state data of the display device to the display module, and the display module obtains the environment data collected by the environment sensing module and sends the environment data to the display module. And dynamically adjusting display parameters of the display equipment. Through cooperation between the interaction module and the circulation module, the whole system has the advantages of high interaction comfort, high circulation interaction capability, good synchronous display effect and high intelligent degree.

The invention relates to the technical field of power management, in particular to an efficient power management method for a multi-device compatible wireless projection screen VR box. The method comprises the following steps: acquiring equipment power consumption acquisition data; vR box working mode analysis is carried out on the equipment power consumption collection data, VR box working mode data are generated, and the VR box working mode data comprise a standby mode, a charging and discharging mode and a wireless screen projection mode; performing power consumption dynamic feature extraction on the equipment power consumption acquisition data to obtain power consumption mode dynamic feature data; performing mode parameter mapping based on the power consumption mode dynamic characteristic data so as to generate a power consumption mode mapping table; and performing equipment power consumption intelligent prediction on the power consumption mode mapping table to generate equipment power consumption prediction data. Through accurate power consumption prediction, an intelligent power supply distribution strategy and efficient power supply scheduling optimization, the efficiency and comprehensiveness of power supply management of the wireless projection screen VR box are improved.

The embodiment of the invention provides a display device, a terminal device and a device projection screen anti-control method, and the method comprises the steps: obtaining a rotation state and a projection screen pixel value of a display through responding to a control instruction input by a user, dividing a picture display region according to a preset projection screen size based on the rotation state, and analyzing a click coordinate of the control instruction in the picture display area. And calculating a normalized coordinate according to the screen projection pixel value, a preset screen projection size and the click coordinate, generating an anti-control instruction according to the normalized coordinate, sending the anti-control instruction to the terminal device, and controlling the display to display a screen projection picture after the terminal device responds to the anti-control instruction. The click coordinate is converted into the normalized coordinate according to the pixel value and the screen projection size during screen projection of the display device, the synchronization of the click positions of the display device and the terminal device is improved, the anti-control instruction is generated according to the normalized coordinate, and the accuracy of the anti-control process is improved.

The invention relates to the technical field of projection optical systems, and discloses a speckle eliminating device which is arranged in a projection optical system and comprises a polarization conversion element and a vibration mechanism. Wherein the polarization conversion element is provided with at least two sub-regions, and at least one sub-region can convert the polarization state of the first light beam incident on the sub-region, so that the polarization conversion element outputs the first light beam with at least two different polarization states. The vibration mechanism is connected with the polarization conversion element and used for driving the polarization conversion element to vibrate. The speckle effect of the projection picture can be reduced, and the watching experience of a user is enhanced. The invention further discloses a projection optical system and projection equipment.

The invention discloses a projection screen control system capable of automatically adjusting the projection area, and relates to the technical field of projection screen control systems.The projection screen control system comprises a base, a motor is fixedly installed in the base, a two-way lead screw is installed at the output end of the motor, and a connecting block A and a connecting block B are slidably connected into the base; a connecting rod A and a connecting rod B are rotationally connected into the connecting block A and the connecting block B correspondingly, limiting blocks are rotationally connected to the top ends of the connecting rod A and the connecting rod B correspondingly, a top plate is arranged at the top of the base, a curtain is fixedly installed on the bottom face of the top plate, and a gear A is fixedly installed at the end, away from the motor, of the bidirectional lead screw; and a gear B is rotationally connected into the base. According to the invention, through the lifting rolling type design of the curtain, the curtain can be conveniently adjusted according to the on-site scene and the projection area, and the curtain can be conveniently stored.

The invention discloses a screen projection cooperative control method based on gesture recognition, and particularly relates to the technical field of cooperative control. The method comprises the following steps: acquiring real-time video data of all users in a preset interaction space in real time, and performing spatial feature segmentation to obtain an initial user gesture spatial feature data set; performing spatial position proximity and overlapping degree analysis on the initial user gesture spatial feature data set to obtain a gesture spatial conflict feature set, and performing time sequence similarity analysis to obtain a gesture validity undetermined data set; through user identity association analysis, a gesture control intention affiliation probability matrix is output, an effective control user and an effective gesture instruction are determined by executing gesture ownership dynamic judgment, a deterministic operation instruction set is generated, and efficient cooperation of projection screen control affiliation judgment and operation execution under multi-user natural gesture input is achieved.

The utility model relates to the technical field of projection equipment, and discloses an adjustable screen for projection screen equipment, which comprises a base, a driving motor is arranged in the middle of the bottom of the inner side wall of the base, the output end of the driving motor is connected with a rotating rod, and the upper side wall of the rotating rod penetrates through the middle of the upper side wall of the base. And the middle position of the lower side wall of the rotating disc is connected with the middle position of the upper side wall of the rotating rod, an adjusting seat is installed in the middle position of the upper side wall of the rotating disc, and a double-shaft motor is installed in the middle position of the bottom of the inner side wall of the adjusting seat. The controller is used for controlling the output end of the driving motor installed in the middle of the bottom of the inner side wall of the base to drive the rotating rod to rotate, the rotating rod acts on the rotating disc, and the rotating disc drives the adjusting base to rotate along with rotation of the rotating rod. Therefore, the projection screen mounted on the inner side wall of the mounting frame is driven to rotate left and right, and the angle of the whole equipment can be conveniently adjusted.

The invention discloses a cross-platform real-time central control screen projection instrument display method, which relates to the technical field of vehicle-mounted systems, and is characterized in that real-time transmission of high-definition video data between a central control system and an instrument system is realized through an intelligent transmission technology and a special hardware component, the system integrates a serializer and a deserializer, and the real-time transmission of the high-definition video data is realized. The method supports automatic identification and conversion of various video formats, combines an AI enhancement algorithm, dynamically adjusts a compression mode, resolution and refresh rate according to factors such as content complexity and bandwidth, and ensures an efficient and clear display effect. According to the method, the high-performance shielding twisted pair is adopted, the good anti-interference capability is achieved, and the stability of data transmission is guaranteed. According to the invention, the limitation of inter-core communication which depends on the same SOC traditionally is overcome, the separated deployment of the central control system and the instrument system is supported, the synchronous management of data resources is simplified, the adaptability is high, the real-time performance is high, and the flexibility and the user experience of the central control projection screen in vehicle-mounted and industrial applications are remarkably improved.