144 results about "Whiteboarding" patented technology

The invention discloses a multi-modal large model-based multimedia file generation method, and relates to the technical field of education content generation. Task alignment and evidence readiness, question analysis and question solving trajectory diagram construction, compiling into a unified instruction of a split white board and a parastyle, controlled generation, co-optimization in generation, posterior judgment, traceable release and learning write-back are sequentially completed; according to the scheme, a problem solving track graph is used as a unique true source, a semantic structure which can do a problem is mapped into a shot, blackboard writing and oral playing, and a suitable age target and a cognitive load are synchronously constrained; in the generation stage, the fact and safety scores are calculated according to the shot, local regeneration is triggered, and rework of the whole section is reduced; source credentials are written before publishing, and learning conditions are written back in combination with watching and evaluation, so that a correct, right-age, traceable and self-evolutionary closed loop is formed. And unified numbering, continuous input processing and output are realized, fixed-point backspacing and sampling inspection are supported, uncertainty and cost are reduced, and convenience is brought to campus distribution and home check verification.

1. Name of the design product: whiteboard. 2. Use of the design product: used as a whiteboard which can be adjusted in height. 3. Design points of the design product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

Systems and methods are disclosed for analyzing video data from one or more cameras to determine object association and room readiness within an environment. The system detects at least one person and at least one object, correlates the object to an identified person, and determines that the person has exited while the object remains. Based on the determination, one or more control actions are automatically initiated, such as sending a notification, updating a scheduling application, or presenting a visual alert. In another embodiment, video data is processed to detect readiness factors including, e.g., chair count, cleanliness, or whiteboard markings. A readiness score is compared to a stored threshold to determine whether the environment is ready for use, and control actions are initiated accordingly, including, e.g., reassigning meetings or adjusting building management settings.

The embodiment of the invention discloses a webpage electronic whiteboard writing method and device and a storage medium. According to the technical scheme provided by the embodiment of the invention, the touch event on the whiteboard writing interface is intercepted through the webpage view control, the touch data corresponding to the touch event are continuously obtained, and the touch data are sequentially sent to the native end and the webpage end through the webpage view control. And when confirming that the touch point of the pen drop event is on the canvas of the whiteboard writing interface, the native end receives a drawing starting notification sent by the webpage end through the communication bridge, draws and displays a first handwriting according to the touch data through the native end, and displays a second handwriting drawn by the webpage end based on the touch data when the webpage end receives the pen drop event, and sending a drawing ending notification to the native end to enable the native end to delete the first handwriting, thereby effectively improving the writing response speed of the webpage electronic whiteboard and optimizing the user experience while ensuring the writing display effect of the webpage electronic whiteboard.

The invention discloses electronic whiteboard equipment with AI image generation and interactive drawing functions, and relates to the technical field of electronic interactive equipment. The equipment comprises an input module, a content identification module, an AI generation module, a display control module, a processor and a storage module, and a communication module can be additionally arranged to realize data synchronization and knowledge base updating. After the input module collects user sketch data, the content recognition module recognizes sketch semantics through a built-in sketch semantic knowledge base and a dynamic matching algorithm, the AI generation module calls a pre-training model based on a recognition result to generate a standardized high-quality image, and finally the display control module writes the image back to a whiteboard. And a complete interactive closed loop of hand-drawing input, semantic recognition, AI optimization and write-back display is formed. The problems that a traditional electronic whiteboard is weak in drawing intellectualization, low in creation efficiency and the like are solved, sketches can be automatically beautified, professional symbols can be accurately recognized, and the multi-scene requirements of education, commerce, engineering and the like are met.

The application provides a content recording method, a content playing method, a device, an electronic device, a computer readable storage medium and a computer program product. The content recording method comprises the following steps: displaying an interface of an online whiteboard, the interface comprising a recording control for the online whiteboard, the online whiteboard being used for at least two user objects to cooperatively perform visual operations in the online whiteboard; in response to a triggering operation of the recording control, starting a content recording function for the online whiteboard; based on the content recording function, recording the operations performed in the online whiteboard; and in response to a closing instruction of the content recording function, generating a file recording the operations and corresponding content. Through the application, the recording of the operations and corresponding content in the online whiteboard can be realized.

1. The name of the design product: desktop whiteboard. 2. The use of the design product: for desktop whiteboard, and can also be used for desktop article storage. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

The invention discloses an information processing method and device based on a collaborative whiteboard and a storage medium, and the method comprises the steps: responding to a selection confirmation operation of a target online document in an online document list, and displaying a thumbnail image-text selection panel comprising a plurality of document pages of the target online document; in response to a selection confirmation operation on a target thumbnail in the plurality of thumbnails displayed in the document selection panel, taking a target document page corresponding to the target thumbnail as an embedded object in the collaboration whiteboard, so that the content of the target document page is displayed in the collaboration whiteboard; displaying a content insertion operation menu including a content insertion control for inserting content in the collaboration whiteboard in response to a drag selection confirmation operation on target content in the target document page; and in response to a touch operation on the content insertion control, displaying a target image including the highlighted target content in the collaboration whiteboard. According to the embodiment of the invention, the use efficiency and use experience of a user for the collaborative whiteboard can be improved.

The invention relates to a data compression system optimized by a neural network in the field of data compression, and aims to solve the problems of large storage redundancy and low reduction precision of original track data. The method comprises the following steps: firstly, collecting coordinate points of a pen point movement track through a sensor, and dividing independent sub-track sections according to speed change, direction turning and writing pause characteristics; performing equidistant resampling and normalization processing on each sub-track segment to generate first data containing a normalized coordinate increment sequence and auxiliary metadata; compressing the high-dimensional coordinate increment into a low-dimensional hidden variable by using a four-layer full-connection neural network encoder, quantizing and storing the low-dimensional hidden variable, and generating a compressed file in combination with auxiliary metadata; during decompression, the hidden variables are reduced through inverse quantization, coordinate increments are generated through a decoder, and a complete track is obtained through inverse normalization and accumulation in combination with auxiliary metadata. The balance is realized by designing loss functions integrating point position offset, length difference and direction difference, and the method is suitable for storage and transmission of handwriting data of the whiteboard.

This invention discloses a control method, device, and intelligent interactive whiteboard application. The whiteboard application includes a selection box component, a canvas, and a parent component. The interface of the whiteboard application includes multiple display elements and a first selection box for selecting multiple display elements. The method includes: when the selection box component detects a preset operation event generated within the first selection box, sending the event attribute information of the preset operation event to the parent component; the parent component determining, based on position information, whether the preset operation event is used to select display elements within the first selection box; and, if it is determined that the preset operation event is used to select display elements within the first selection box, selecting the target display element selected by the preset operation event. This invention solves the technical problem in the prior art where, when multiple handwritings are selected, it is impossible to directly select from the already selected handwritings.

1. The name of the design product: three whiteboard stand (E70). 2. The use of the design product: used as a whiteboard support frame. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view. 5. The bottom view of the design product is not easily visible or not visible during use, and the bottom view is omitted; the top view of the design product is not easily visible or not visible during use, and the top view is omitted.

The invention provides an intelligent whiteboard input method and an intelligent whiteboard, and the method comprises the steps: switching to an input mode when an event triggering to enter the input mode is monitored; when an event of entering a handwriting mode is monitored in the input mode, switching to the handwriting mode and displaying a pre-initialized full-screen window on the top; when a writing event is monitored in the handwriting mode, the event is intercepted, a writing track is generated in the full-screen window in real time, and the handwriting mode is quitted when the condition of quitting the handwriting mode is met; after the handwriting mode is quitted, character recognition is conducted according to the writing track, an input control is filled in, the writing track is emptied, and the full-screen window is initialized. By means of the method, full-screen writing of the intelligent whiteboard is supported, continuous writing recognition is supported, a writing function provided by a third-party input method is not depended on any more, and the method is suitable for the intelligent whiteboard which is widely provided with an Android operating system.

The application discloses an online whiteboard graphic association method, which comprises the following steps: obtaining a parent association attribute of a first graphic, setting the parent association attribute of the graphic by creating or moving the first graphic; associating the parent association attribute with a child association attribute of a graphic unit, and constructing an association relationship between the first graphic and a second graphic; configuring an association reference rule between the second graphic and the first graphic, so that the second graphic index data points to the first graphic; after the association relationship is established, an association monitoring event is added in the second graphic, and an association event method is configured to respond to data changes of the first graphic; data affects the child association attribute of the second graphic through the event method, so that the second graphic re-renders the position and size of the second graphic through the child association attribute, the size and position of the graphic unit are automatically adjusted according to the occupied space of the internal object, and real-time linkage operation of multiple graphics is realized. The application saves the complicated dragging operation and improves work efficiency.

The invention discloses an online collaboration whiteboard system based on a block chain, which comprises a user interaction module, a block chain integration module, a consensus mechanism module, a contribution tracking module, an evaluation and report module and a privacy protection module. The data integrity, the evaluation fairness, the cooperation efficiency, the privacy security and the inclusiveness of the online cooperation whiteboard in an education scene are remarkably improved. The invention belongs to the technical field of education informatization, and particularly provides an online collaboration whiteboard technology for solving the defects of data tampering risk, inaccurate contribution tracking, insufficient academic integrity, insufficient collaboration efficiency and inclusiveness, data privacy and security problems and the like in the existing online collaboration whiteboard technology.

This application discloses a synchronization method, apparatus, system, and first electronic device for a collaborative whiteboard. The method is applied to the first electronic device and includes: receiving vector data sent by the second electronic device through a first channel between the two devices, and drawing handwriting in a transparent top-level view based on the vector data; receiving visual data sent by the second electronic device through a second channel between the two devices, the visual data including image frames generated based on the screen content of the collaborative whiteboard; displaying the received visual data in a bottom-level view; and, in response to displaying the visual data in the bottom-level view, cleaning up handwriting related to the screen content in the transparent top-level view based on the visual data.

A computer-implemented method is disclosed. The method includes designating an area in a virtual whiteboard graphical user interface configured to receive a graphical object of a plurality graphical objects by dragging the graphical object to the designated area from other areas of a virtual whiteboard graphical user interface. The method includes extracting content of the graphical object dragged into the designated area, and identifying an action to be performed on the issue tracking platform. The method includes displaying an interface window including a preview of the action to be performed, and in response to receiving a confirmation input, generating an application programming interface (API) command including at least a portion of the extracted content and an API action to be performed.

The invention discloses a content switching display method and device of a collaborative whiteboard and a storage medium. The method comprises the following steps: receiving a content switching display request on a target terminal; obtaining the maximum display coverage size of the target terminal for the collaborative whiteboard; if the second size of the switched second range is larger than the size of the maximum display coverage range, determining a third range smaller than or equal to the size of the maximum display coverage range from the second range; determining a resolution adjustment rate based on a first size of the first range, a third size of the third range, and a target duration of the target switching time period; determining a translation rate based on the first center position of the first range, the second center position of the third range and the target duration; and gradually changing the display first range into the display third range within the target duration based on the resolution adjustment rate and the translation rate. According to the embodiment of the invention, the information transmission efficiency during the switching of the display content of the collaborative version can be improved.

The invention discloses a data processing method and device for a collaboration whiteboard and a storage medium, and the method comprises the steps: obtaining local whiteboard data in whiteboard data according to a first whiteboard data range after receiving a first data obtaining request which is sent by a terminal for whiteboard data of the collaboration whiteboard and comprises the first whiteboard data range; the method comprises the steps of receiving a local whiteboard data acquisition request sent by a terminal when the local whiteboard data is rendered and displayed, sending the local whiteboard data to the terminal for rendering and displaying, then receiving a second data acquisition request sent by the terminal when the local whiteboard data is rendered and displayed, and sending residual whiteboard data in the whiteboard data to the terminal for incremental rendering according to the second data acquisition request. According to the embodiment of the invention, the time consumed for opening the collaborative whiteboard can be shortened, so that the use efficiency and use experience of a user can be improved. The embodiment of the invention can be applied to various application scenes of data collaboration.

The utility model discloses a mobile frameless whiteboard, including open circular ring, the open circular ring lower surface is evenly provided with a plurality of universal wheel, and the open circular ring is fixedly connected with the fixed frame, and the fixed frame is provided with the first mounting hole, and the conical sleeve is insertedly connected and fixed in the first mounting hole, and the conical sleeve is fixedly connected with the limit cover, and the limit cover is arranged on the top of fixed frame, and the conical sleeve is insertedly connected and fixed with the conical pipe, and the first support pipe is fixedly connected with the top of conical pipe, and the second support pipe is slidably connected in the first support pipe, the utility model discloses open circular ring combines fixed frame as support seat, and the single telescopic pipe that utilizes the first support pipe and the second support pipe to support whiteboard body has the advantages that the floor space is small, is easy to adjust, and is easy to assemble, and the whiteboard body can be adjusted in multiple angles through the adjusting assembly installation whiteboard body, so that it is more flexible to use, and it is favorable for expanding the application range and improving the use experience of user.

The application is a data compression system optimized by neural network in the field of data compression, aiming at solving the problems of large storage redundancy and low restoration accuracy of original trajectory data. The process is as follows: first, the sensor collects the pen tip motion trajectory coordinate points, and divides the independent sub-trajectory segments according to the speed change, direction turning and writing pause characteristics; then, equal distance resampling and normalization processing are performed on each sub-trajectory segment to generate the first data containing normalized coordinate increment sequence and auxiliary metadata; then, a four-layer fully connected neural network encoder is used to compress high-dimensional coordinate increments into low-dimensional hidden variables and quantitatively store them, and the auxiliary metadata is combined to generate a compressed file; when decompressing, the hidden variables are dequantized and restored, the coordinate increments are generated through the decoder, and the complete trajectory is obtained by combining the auxiliary metadata and accumulating. Through the design of the loss function balancing the comprehensive point position offset, length difference and direction difference, it is suitable for the storage and transmission of whiteboard handwriting data.

A white board body comprises a base board and a writing panel fixedly arranged on the front side of the base board, a frameless structure is arranged on the left side edge and / or the right side edge of the writing panel, the frameless structure comprises a supporting strip, the supporting strip is fixedly arranged on the corresponding side edge of the base board, and the supporting strip is arranged on the right side edge of the base board. The corresponding side edge of the writing panel is bent backwards to form a covered edge so as to cover part or all of the side surface of the supporting strip; the pressing strip is fixedly arranged on the rear side of the base plate and arranged on the supporting strip in a pressing fit mode so that the covered edge can be clamped between the supporting strip and the pressing strip. The white board body is more attractive and can hide a joint seam; the utility model further provides a combined whiteboard formed by the whiteboard body.

The application discloses a light guide plate hot-pressing line pre-AOI detection system and a detection method, relates to the technical field of light guide plate detection, and comprises the following steps: judging whether defects exist and acquiring abnormal profiles based on real-time whiteboard binaryzation images; constructing a real-time detection ratio based on the abnormal profiles; acquiring a second number of light guide plate hot-pressing pre-graphs with scratch defects, and marking the graphs as historical scratch graphs; acquiring a detection ratio threshold based on the historical scratch graphs; and dividing first-type defects and second-type defects based on the real-time detection ratio and the detection ratio threshold. The application is used to solve the problem that a simple defect type division is lacked in the existing light guide plate detection technology, thereby affecting the production efficiency of subsequent light guide plates.

The invention provides a blackboard-writing display method, electronic equipment and a storage medium, the method is applied to the technical field of interactive tablets, and the method comprises the following steps: displaying a whiteboard application interface; in response to the identification instruction for the whiteboard application interface, identifying the original handwriting on the whiteboard application interface to obtain a handwriting identification result; acquiring voice information recorded in the writing process, and recognizing the voice information to obtain a voice recognition result; generating structured blackboard writing content according to the handwriting recognition result and the voice recognition result; wherein the writing style of the structured blackboard writing content is the same as that of the original handwriting; and displaying the structured blackboard writing content on the whiteboard application interface. According to the method, structuring of the blackboard-writing content is achieved, the readability, the constitutive property and the semantic integrity of the blackboard-writing content are improved, and a user can understand and reuse the blackboard-writing content conveniently.

This invention provides an information processing method, information processing program, information processing device, and information processing system that can improve the convenience of creating electronic whiteboards with new layouts. [Solution] The information processing method is performed to create an electronic whiteboard or an electronic whiteboard template that displays one or more items, and includes the steps of recognizing the items to be written and the positions of the items from a whiteboard image, and arranging an area on the electronic whiteboard to display items corresponding to the items to be written at a position corresponding to the position of the items to be written.

The invention discloses a collaborative whiteboard information processing method and device and a storage medium, and the method comprises the steps: responding to a first operation of creating a first whiteboard document in a collaborative whiteboard, and displaying a first icon corresponding to the first whiteboard document in the collaborative whiteboard; in response to a second operation of creating a second whiteboard document in the collaboration whiteboard, displaying a second icon corresponding to the second whiteboard document in the collaboration whiteboard; in response to a sliding pressing operation in the direction from the second icon to the first icon, the second icon is displayed with a second target attribute which is the same as the first target attribute of the first icon, a second value of the second target attribute is smaller than a first value of the first target attribute, and a first difference between the first value and the second value is associated with pressure of the sliding pressing operation. According to the embodiment of the invention, through the dynamic change of the target attribute and the value of the target attribute, the relevance strength between different whiteboard documents is intuitively reflected, and the recognition efficiency when a user processes a plurality of mutually associated whiteboard documents is remarkably improved.

The invention relates to a touch writing content processing method and device, an all-in-one machine teaching blackboard and a computer equipment storage medium. The method is applied to an all-in-one machine teaching blackboard, the all-in-one machine teaching blackboard comprises a main touch screen and auxiliary touch screens located on the two sides of the main touch screen, and the method comprises the steps that original touch point coordinate data of touch writing content of the auxiliary touch screens are obtained based on whiteboard software running on the main touch screen; converting the original touch point coordinate data into main touch screen coordinate data on a main touch screen, and calculating drawing coordinates of a whiteboard software interface setting rendering area corresponding to the main touch screen coordinate data; drawing touch writing content in the set rendering area according to the drawing coordinates, and recording corresponding drawing pictures and erasing information in real time; according to the technical scheme, the blackboard writing content of the auxiliary touch screen of the teaching blackboard of the all-in-one machine can be efficiently stored, repeated writing of the same blackboard writing content is reduced, and a user can conveniently backtrack and look up the stored blackboard writing content.

Interactive whiteboard for education

This application provides an intelligent question generation system for real-time question generation and grading in electronic whiteboard classrooms, belonging to the field of smart teaching technology. It solves the technical problem that existing systems cannot dynamically generate practice questions based on teachers' real-time handwriting and simultaneously complete automatic grading and feedback of student answers. The system includes: a whiteboard content acquisition module for acquiring teacher and student handwriting; a teaching content parsing module for semantic parsing and knowledge point extraction of teacher handwriting to obtain teaching content; a question generation module for inputting teaching content into a pre-trained question generation model and outputting personalized practice questions, corresponding standard answers, and scoring rules; an answer content parsing module for text extraction and structured organization of student handwriting to obtain answer content; and a real-time grading module for comparing and grading answer content based on standard answers and scoring rules to obtain grading results. This application is used in smart teaching processes.

1. The name of the design product: whiteboard holder (spiritual). 2. The use of the design product: a shelf for placing a whiteboard. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view. 5. The rear view is symmetrical to the front view, the right view is symmetrical to the left view, and the bottom surface of the design product is not easily visible or invisible during use, so the top view is omitted.

The application discloses a kind of black smoke detection method and system based on neural network on ring inspection line, the present application includes collecting vehicle black smoke image with whiteboard as background in vehicle smoke pipe position addition;Whiteboard area black smoke image is obtained by cutting from vehicle black smoke image;Black smoke density feature map is obtained by inputting whiteboard area black smoke image into trained neural network model, and the Lignac blackness of black smoke is calculated according to black smoke density feature map, the neural network model includes multiple encoding layers, first convolutional layer and multiple decoding layers connected in turn in cascade, encoding layer and decoding layer one-to-one correspondence, and the feature map output by each encoder is input as the input of corresponding decoding layer after being strengthened by a feature enhancement module.The present application uses black smoke blackness feature neural network model to identify black smoke blackness, and then converts its Lignac blackness value, which can improve the discrimination accuracy of black smoke detection on ring inspection line and save manpower.