77 results about "Information projection" patented technology

An implementation of a system, device and method for projecting a visual indicator against a surface is provided. A display projection system in a handheld sensor device (e.g. a handheld wall scanner) projects a static or computer-controlled dynamic pattern of light onto a surface being scanned to indicate a specific feature, such as existence of solid structures of wood, metal or plastic, electric or magnetic fields, or a disturbance of a field. The projected light may be controlled by a computer via an aperture to allow flexibility in what is projected, such as icons, lines, graphics, characters and colors.

The invention provides a position positioning retrieval device and a position positioning retrieval method. The device comprises a spatial retrieval information module for acquiring spatial retrieval information of a current position in a three-dimensional space, an image acquisition module for acquiring focusing range information in a current focusing range and intercepting a scene in the focusing range to form a selected image according to the spatial retrieval information, a map data query module for searching map data accordant with the spatial retrieval information and the focusing range information according to the spatial retrieval information and the focusing range information, and a description information projection module for projecting the map data obtained by the map data query module onto the selected image. Due to the application of the technology provided by the invention, expensive unit modules are not adopted any longer, thus the cost of the retrieval device is reduced and further the retrieval device is favorably popularized; and at the same time, display granularities of the position information and the position description information are regulated according to the focusing range, so that clear and accurate position information and position description information of the surrounding scenes are timely and conveniently provided to users and the experiences of the users are enhanced.

The invention relates to a dynamic capture and holographic projection-based remote interactive method and belongs to the field of man-machine interaction. The method comprises the steps of storing a shared virtual scene and a shared virtual model in a cloud end, storing custom virtual scene and virtual model in a database of a user, performing motion capture by using an optical motion capture device, and performing voice capture by using an audio input device; then, establishing a logic host in the cloud end to manage a primary logic slave and a secondary logic slave to process collected data; and finally projecting received three-dimensional scene holographic information processed in the cloud end to air or water mist by using a three-dimensional holographic projection technology through a client, thereby realizing interaction between the user and a three-dimensional image. By utilizing technologies of motion capture, holographic projection and the like, video communication is extended to a naked eye augmented reality technology of remote virtual interaction.

The invention discloses a time-domain-consistent cavity region repairing method for a static scene video shot in motion. The method comprises the following steps: projecting the image utilization depth information and camera parameter of an adjacent frame onto an image of a current frame, selecting pixel points from the cavity region of a video to be repaired according to a projection result to establish a repairable pixel point region serving as a pair of the cavity region, and performing time-domain-consistent depth and color repairing on the part of cavity region in the video; and complementing the color and depth of a remaining cavity region in a frame image by adopting an image interpolation method and a flood-fill method, projecting the frame image onto an adjacent frame image by using the depth information of the frame image, and repairing the color and depth of the remaining cavity region in the adjacent frame by using the color and depth of the projected image. Through adoption of the method, time-domain-consistent video cavity repairing can be realized, and the consistence and jumping freeness of video repairing are ensured; and moreover, full-automatic video repairing can be realized, the processing efficiency is high, and manual interaction assistance is not needed.

An image projection system for displaying information for observation by at least one viewer of an event by projecting the information onto a venue structure or a game associated object, that comprises a projection device; an image projected by the projection device for observation by the viewer, and a projection surface that receives the image The image may be any type of communication such as an advertisement of a product or service or any other type of information that can be communicated to an observer of the image. The image is projected onto either an existing component of a venue structure or an event associated object.

The invention provides a head-up display device, a control method thereof and a vehicle. The head-up display device comprises a display component, a first optical component, a second optical componentand a composite component. The first optical component transmits or reflects light in different polarization directions or polarization states to realize light separation of state information projection and augmented reality information projection, and two-layer display is realized. For example, augmented reality information can be displayed at a distance far from the eyes of a driver. The focallength of the human eyes is not adjusted frequently during a driving process, which makes viewing more comfortable and eliminates safety hazards.

The embodiment of the invention provides a wireless network scenario-based assessment method, a wireless network scenario-based assessment device, equipment and a medium. The assessment method comprises the following steps: acquiring longitude and latitude information in a reported user position through a mobile network; reading a user plane bill containing the longitude and latitude information and a MRO bill containing wireless network information, associating the user plane bill with the MRO bill, and creating a user fingerprint library; performing rasterization for a map according to a preset shape, projecting wireless environment information in the user fingerprint library into a corresponding grid, and calculating out a wireless performance index in each grid. According to the embodiment of the invention, the scenario-based assessment based on any geometric plane shape can be realized, and that the acquired wireless performance index can completely and accurately reflect the wireless performance index of the region is guaranteed.

The invention discloses an elevator control system, which comprises an elevator information projection device, at least one motion capture device and a control device, wherein the elevator information projection device arranged in an elevator car is used to project the information of the elevator control interface controlled by users to the elevator car, when the users point to the elevator control indicating information projected on the elevator car projection surface, the motion capture device is used to obtain the position image information pointed by the users, and the control device is used to obtain the coordinate pointed by the users according to the position image information pointed by the users, and to confirm the elevator control indicating information corresponding with the coordinate pointed by the users. The invention also discloses an elevator control method and a display system of the elevator control information. The elevator control system saves the space of the elevator car, avoids contact elevator controlling, and is convenient for the users.

The invention provides a barrier identification method and apparatus, a computer device and a readable medium. The method comprises the steps of obtaining information of a to-be-identified barrier of N+1 continuous frames around a current vehicle scanned by a laser radar; according to the information of the to-be-identified barrier in each of the first N frames, obtaining first point cloud projection drawings, on a horizontal plane, of a point cloud layer with at least two heights, a first reflection information projection drawing, on the horizontal plane, of the to-be-identified barrier, and a first duty ratio projection drawing, on the horizontal plane of the to-be-identified barrier in each frame; and according to a pre-trained classifier model, a pre-obtained first barrier type graph, on the horizontal plane, of the to-be-identified barrier in each of the first N frames, and the at least two first point cloud projection drawings, the first reflection information projection drawing and the first duty ratio projection drawing of each of the first N frames, predicting a first barrier type graph of the (N+1)th frame. According to the technical scheme, the identification accuracy and efficiency of the to-be-identified barrier can be effectively improved.

The invention provides a projection system for a magnetic resonance system. The projection system comprises a projector, a reflecting mirror, an image transmission optical fiber, a projection screen and a head coil reflecting mirror, wherein the projector is connected with the image transmission optical fiber; and the projector projects image information to the projection screen so that an examined patient views an image on the projection screen by the reflection of the head coil reflecting mirror. The projection system for the magnetic resonance system transmits the image to the screen whichcan be viewed by the patient in a reflecting way, and the patient can view different pictures during scanning, thereby preventing the fear and the boring mood of the patient during examination and providing visual simulation during brain function imaging.

The application provides a household appliance and an information projection method. The household appliance acquires voice information, determines to-be-projected contents according to the voice information, and projects the to-be-projected contents in a projection region. By adopting the technical scheme, projection of the household appliance according to the voice information is implemented, and a problem of shortage of the scheme of carrying out information projection by the household appliance in the related arts is solved.

The invention discloses a multi-moving-target information capturing and tracking system and method. The system comprises a local terminal, a server and an intelligent mobile terminal. The local terminal comprises a panoramic camera, an infrared image sensor and cursor tracking equipment; the server acquires information of a plurality of moving targets according to the panoramic video image and thethermal infrared image; the intelligent mobile terminal logs in the server to check information of the multiple moving targets and select a specific target, and when a user selects a certain target object as the specific target through the intelligent mobile terminal, the cursor tracking equipment sends out specific cursor information and carries out cursor information projection along with the position of the specific target. The method has the advantages that various kinds of information of the target objects can be effectively extracted, a user can conveniently check the conditions of thetarget objects remotely, cursor information can be projected on site based on the cursor tracking equipment, and the user can conveniently observe the information with naked eyes on site.

The embodiment of the invention provides an information projection method and device. The method comprises the following steps: acquiring current running route information of a target vehicle; determining driving intention information of the target vehicle based on the current driving route information; projecting the driving intention information. By adopting the information projection method provided by the embodiment of the invention, the running intention information of the target vehicle can be displayed in a projection mode, so that other vehicles or pedestrians can know the running intention of the target vehicle in time, and the running safety of the vehicle is further ensured.

The invention discloses a homework tutoring method and device, a smart table lamp and a computer readable storage medium and relates to the field of smart table lamps. The method comprises steps of identifying the answer image, and extracting questions in the answer image and answers made by users corresponding to the questions; judging whether the answer made by the user is the same as a standardanswer corresponding to the question in a preset database or not; and when the answer made by the user is different from the standard answer, presenting the knowledge point information correspondingto the question. The method is advantaged in that parents can be replaced to check and tutorize homework, the related knowledge point information of wrong questions is projected, a user can learn, research and correct errors conveniently, the parents do not need to explain for the user beside, the tutoring time of the parents is saved, emotional interference of the parents is eliminated in the learning process of the user, and learning efficiency and enthusiasm of the user are improved conveniently.

The invention discloses a projection type driving assisting system and a processing chip. The projection type driving assisting system is arranged on an automobile, and comprises an information projection device, an information acquisition device and an information processing device, wherein the information processing device is electrically connected with the information projection device and the information acquisition device, the information acquisition device acquires road condition information in the running direction of the automobile and sends the acquired road condition information to the information processing device, and the information processing device processes the road condition information, generates a processing result and controls the information projection device to project images on front roads. By means of the projection type driving assisting system and the processing chip, barrier prompt information can be given in a traffic safety range in real time, and traffic accidents can be effectively avoided.

The invention discloses a data projection method and electronic equipment. The data projection method comprises the steps of confirming second information related with first information when projection display is carried out on the first information; and projecting the second information on a second projection area related with a first projection area corresponding to the first information, wherein the second information in the second projection area is invisible information. According to the technical scheme of the data projection method, due to the fact that the second information related with the first information is confirmed and is projected at the same time in the process of projection display of the first information, meanwhile, the second information is invisible in a specific projection area, and the invisible second information can be obtained through the electronic equipment, the purpose that auxiliary information besides projected information is provided for a user under the condition that a projection effect of the projected information is not influenced is achieved.

The invention provides a network conversation packet indexing method based on projection of retrieval information. With the method, certain or several pieces of information of the designated network conversation packet is subjected to compression calculation to obtain the retrieval information corresponding to each piece of information. Projection module of the retrieval information can project relevant information of the network conversation packet to the corresponding bit of the index space that stores the retrieval information of such information, and the projected storage bit is marked as being projected during the first projection; the corresponding network conversation packet can be found according to the projection relationship in reading. The method can greatly improve the system performance.