75results about How to "Fast display" patented technology

The invention provides a method for processing map data based on a mobile terminal, a system and the mobile terminal. The method comprises the following steps of: carrying out format conversion processing for the map data and generating map vector data; encoding the generated map vector data and generating the map vector data with a compressed format; constructing a dynamic vector database in the mobile terminal; downloading the map vector data with the compressed format into the dynamic vector database; reading the map vector data with the compressed format from the dynamic vector database and decoding the map vector data with the compressed format to obtain the map vector data; and mapping a map which is corresponding to the map vector data on a display of the mobile terminal according to the map vector data and mobile terminal display pixel data. The method, the system and the mobile terminal are used to solve the problem that map data storage is matched with display and real time map scanning, voice navigation, real time geographic information and interest point searching and the like on the mobile terminal are realized in deed.

An electronic policeman background intelligent management and automatic implementing system includes: a data processing working flow module and a data discovering module which are used for transmitting a data document from a data acquisition front end device to the background system which carries out automatic license plate identification, inquires about vehicle information and generates a traffic ticket; the data discovering module is used for inquiring, clearing up and statistics on the data, gives alarms to the vehicle owners breaking the law for a plurality of times and reasonably arranges the constabulary duties. The electronic policeman background intelligent management and automatic implementing system of the invention realizes automatization and intellectualization as well as builds a real time, accurate and effective transportation integrated management system which affects in a large scale in full aspects by carrying out coordination processing on the invention by dint of various advanced devices and technologies; thereby ensuring the traffic safety, reducing the working intensity of the policemen, releasing a large number of policemen used for processing emergencies and ensuring the safeties of human lives and properties, bringing benefits to traffic, society, economy, population, environment and technology and making contributions for building a harmonious society.

The invention discloses a large-scale network topology plane visualization method based on a vector diagram and a bitmap, relating to a visualization technology of a network topology plane, and solving the problem in the prior art of complex algorithm and slow refreshing speed existing in the condition that the vector diagram is adopted to display a large-scale network topology diagram. The invention adopts the bitmap of three layers to display a network topology diagram, wherein the first layer is a graphics field represented by a spacebit diagram; the second layer on the graphics field is a bitmap field with a coordinate; and the third layer on the bitmap field is a client field. A vector graphic file is adopted to store the position, curve and colour of a node, and the vector diagram is mapped onto the bitmap field; in the graphics moving process, a bitmap moving method is adopted to move the client field; in the graphics scaling process, the vector diagram is scaled, and then the scaled vector diagram is mapped to the bitmap. The invention has the advantages of no scaling distortion and high displaying speed and is especially suitable for a large-scale undirected graph visualization technology.

The invention discloses a comprehensive practice course teaching system based on the network environment. On the basis of the network B / S structure and the WEB interaction technique, the system comprises a database module, a database management module, a course display module, a static file generation module, a teacher management module, a student management module and a module for displaying other pages. Data transmission is conducted among the modules through an HTML standard form; the modules adopt a large file upload component, concentrate and display through the WEB technology; and an XML file form is adopted to generate a management page. The invention also discloses a method for realizing the system. The system and the method greatly increase the flexibility of the system setup, so that a school can flexibly set the practice course standards and the grading standards of the practice courses according to the conditions of the school. The adoption of the WEB technology realizes the remote operation, so that the spare time of students and teachers is fully utilized, the students are allowed to participate and discuss, and the learning initiatives of the students are improved. The system has the advantages of high transmission speed and saved network resources, and provides a guarantee for effectively realizing the teaching of practice courses.

The invention provides a long-distance naked-eye stereoscopic display method and a system thereof. Scene segmentation of original three-dimensional image data and rendering of oversampling processing are matched with fusion processing in a display process, high-dimensional space information of the original three-dimensional image data is segmented and rendered to a plurality of to-be-modulated two-dimensional image data, and a display fusion algorithm in time and a ray modulation method are utilized to fuse the two-dimensional image data of a to-be-displayed three-dimensional image into a high-dimensional light field in order to carry out three-dimensional display. According to the method and the system, the hardware requirements of long-distance naked-eye stereoscopic display for the system can be effectively reduced, and the to-be-displayed long-distance three-dimensional image data is segmented into multiple parts of space information; the fusion is carried out in the display process through time-sharing refresh in order to increase the display density of the space light field, and the stereoscopic display effect of the surface can be effectively improved in order to increase the depth of three-dimensional display, so that the purposes of large depth range, vivid stereoscopic impression, high pixel resolution and fast display speed of the displayed three-dimensional image are realized.

The invention discloses a method for deleting handwriting stroke information inputted by a user on a handwriting device, which relates to the field of information science and technology. The method comprises the following steps of after receiving the handwritten information input by the user, identifying the type of the information as erased information, comparing the existing information with thetrack information of the item, selecting the strokes to be erased and deleting the strokes, and displaying the modified handwriting information in real time by the display device. The invention has the following advantages that the handwriting device has a plurality of working modes, and the erasing method can automatically judge whether the current erasing action is an erasing action or not according to the input mode of the user; after reading and saving the erasing tracks, the handwriting passing through each track can be judged, so as to erase the corresponding strokes and satisfy the erasing requirements of some users; at the same time, the erasing effect of the strokes is displayed on the ink screen interface in real time, and the display speed is fast and the erasing efficiency ishigh.

The invention provides a page image display method and device. The method comprises the following steps: receiving a page image display request; responding to the page image display request, and obtaining a network environment quality parameter; judging whether the network environment quality is lower than preset network environment quality according to the network environment quality parameter; when the network environment quality is lower than the preset network environment quality, requesting a server for obtaining a target image, wherein the image quality parameter of the target image is lower than the quality parameter of an original page image; and receiving the target image returned by the server and displaying the target image in a page. According to the page image display method and device provided by the invention, the image downloading time of a terminal is short, and the image display speed is higher, so the page display efficiency can be improved.

The invention, which belongs to the fiber measurement technology field, disclose a delay amount measuring method applied for a fiber delay line measuring system and a realization apparatus thereof. The measuring method comprises the following steps that: a light that is emitted by a broadband light source passes through a 3dB coupler and is divided into two paths of lights, wherein a first path of the light passes through a fiber and a second path of the light passes through a micro displacement measurement length module; and a delay amount of a to-be-detected fiber is obtained according to two interference conditions of the two paths of the light. According to the realization apparatus, an employed image recording sensor is used not only as an image recording sensor but also as an imaging screen, so that a substantial measurement error that is caused by a problem of a recording direction can be avoided; and then the result is sent to a computer to carry out processing. According to the invention, feedback control is employed; and an interference result of an image recording sensor is utilized to control a moving state of a micro displacement measurement length module; moreover, the processing speed is fast and the precision is high; automatic adjustment can be realized and high-precision measurement is easy to realize.

The invention provides a method and a device for saving and loading map road shape point data. The method includes: acquiring the shape point data with the largest measuring scale, and sorting the data according to a first order; determining the shape point data of each measuring scale level through vacuating extraction on the basis of the shape point data with the largest measuring scale, and removing the shape point data smaller than each measuring scale and under other measuring scales; arranging and adjusting the shape point data of each measuring scale level; adding index information to the shape point information under a smaller measuring scale, wherein the index information of each shape point datum points to the number of the shape point data arranged behind the shape point datum under a measuring scale one level larger than the smaller measuring scale, and no index information is added to the shape point data under the largest measuring scale. By the method, redundancy of the saved shape point data is avoided, and saving and loading efficiency are increased favorably.

The invention discloses a display device of an electrical equipment map of a distribution network, and aims at providing the display device of the electrical equipment map of the distribution network, which has the advantages of small resource occupation, rapid display speed, safety, high reliability, low hardware requirement and ability for cross-platform use. The display device comprises a device for Svg file input, a device for xml data input or a database interface, a graphic data-optimized device, a generating device for GIF image format, and a device for GIF image display and GIF image interaction. The display device can be widely used in monitoring field of distribution equipment.

The invention discloses a method for rapidly moving an EPD (Electronic Paper Display) and displaying pictures. According to the method and a device for rapidly moving the EPD (Electronic Paper Display) and displaying pictures disclosed by the invention, moving pictures undergo image data conversion, and are displayed by adopting an A2 mode, so that the display speed is increased; and moreover, picture data are converted by adopting a Floyd-Steinberg dithering algorithm, so that images become clearer, and moving pictures are displayed more clearly and rapidly on an EPD screen. The invention further discloses the device for rapidly moving the EPD and displaying pictures.

The invention discloses a map display method for a geographic information system. The method comprises the step of establishing a map file linked list cache, two virtual screen caches and a map data cache. The invention also provides a map display device for the geographic information system. Through application of the technical scheme provided by the invention, a traveler is facilitated, practicability of a smart terminal is improved, and moreover, visual experience of a smart terminal user is improved.

The invention relates to a display information editing system based on a single chip microcomputer driving LCD (liquid crystal display) mode. The display information editing system comprises a graph drawing module, a segment code editing module, a display module and a file generating module, wherein the graph drawing module is used for generating LCD structure data, the segment code editing module is connected with the graph drawing module and is used for generating linked list node data, the display module is connected with the graph drawing module and the segment code editing module and provides a visual interface for a user, and the file generating module is connected with the graph drawing module and the segment code editing module and generates a LCD display content file. Through the editing system provided by the invention, the LCD setting can be conveniently carried out through the graph drawing module, the LCD dimension is changed in the development, the preset customization is not needed, the graph drawing module provides the editing of various pixels, the LCD graph simulation requirement is met, the quantity of the data generated by the graph drawing module and the segment code editing module is small, the image display speed is higher, and the simulation effect is better. In addition, the editing system provided by the invention has the advantages that the structure is simple, the user interface is friendly, the use is simple and convenient, and the application range is very wider.

The invention discloses a polluted water environment three-dimensional rapid display method and a system. The method comprises: sensing information of each water area by a corresponding sensor, and transmitting data back at regular time, storing information sensed by sensors to a database; establishing a case library in accordance with five types of the national water quality standard; dividing a water environment three-dimensional scene, and establishing a scene tree based on a BSP tree structure with a water area target knot as an organization unit; conducting view frustum culling based on a bounding volume hierarchy of the scene tree; determining the grade of water quality based on the data sensed by sensors; looking for corresponding cases in the library based on the determination result, and displaying water quality graphics; and looking for water quality information by clicking. The method and the system of the invention obviate the need for experts to observe water quality on site, realize rapid display of polluted water environment three-dimensional graphics, can conduct automatic selection of corresponding water quality graphics, and enable experts to roam in the water environment three-dimensional scene and observe, look for real-time information of current water area, and facilitate experts' research on polluted water environment.

The invention discloses a multifunctional and intelligent certificate access management method. A step for rapidly inquiring a plurality of keywords comprises the following specific steps of: reading and warehousing certificates; selecting and setting keyword types; inputting keywords through a user interface (UI); comparing keywords; finding out a certificate list comprising the keywords in certificate tag information; and returning an inquiry result. A step for performing WLT storage and bitmap reduction and display: scanning certificates; storing images; and reducing and displaying. A step for performing certificate overdue management comprises the following steps of: setting system time and a certificate overdue limit; reading and warehousing certificates; recording warehousing time; performing overdue monitoring; and taking overdue certificates out. In the method, a multi-keyword inquiry technology is adopted, so that the inquiry speed and the inquiry efficiency are high; image files in certificates are stored in a WLT format with a small occupation volume and are reduced into bitmap files for display, so that high inquiry and identification speeds and a clear and good display effect are achieved; and overdue certificates are eliminated in real time, so that the storage space utilization ratio can be increased effectively.

The invention provides a video name display method and a mobile terminal. The video name display method includes the steps: when monitoring that a video file is being downloaded, obtaining the video name of the video file; when the length of the video name is greater than the preset length value, replacing the characters, satisfying the filtering rules, of the video name, and generating a target video name; and after the video file is downloaded completely, displaying the target video name. The video name display method can accurately and quickly display the video name and improve the usage experience of a user.

The invention relates to a virtual inspection system of a digital factory. The virtual inspection system at least comprises a server system, at least one interaction terminal and at least one controlsystem, the server system is respectively in communication connection with the at least one interaction terminal and the at least one control system, the server system at least comprises a three-dimensional module and a graphic server, the three-dimensional module forms a three-dimensional scene displayed on at least one interaction terminal based on at least one three-dimensional graphic component formed by fusing attribute data and graphic data of a controlled object by the graphic server, so as to respond to the operation of an inspector on the interaction terminal, and the three-dimensional module adaptively adjusts the display angle of the three-dimensional graphic component of a controlled object, so that an inspector inspects the attribute of the controlled object in the three-dimensional scene in a roaming manner. The virtual inspection system can directly and truly inspect the attributes of the controlled object in the factory and control the controlled object, and the inspection efficiency is higher.

The invention relates to a meter reading identification method and device, a readable storage medium and computer equipment. The method comprises the steps of acquiring a dial image; carrying out dialplate detection on the dial plate image, and a dial plate area is extracted from the dial plate image according to a detection result; reading a pointer point and at least two dial plate key points from the dial plate area; respectively calculating central angle values between the at least two dial plate key points and the pointer point; and calculating a reading corresponding to the pointer point according to the central angle values and the scale values of the at least two dial plate key points. According to the scheme provided by the invention, the reading of a meter can be quickly read, and the reading efficiency of the meter is improved.

The invention relates to the technical field of fuel cells, in particular to a fuel cell control management system which comprises an on-site layer, a data transmission layer and a management layer which are sequentially connected, wherein the management layer comprises a controller and an upper computer, the data transmission layer comprises an MDS main station, and the on-site layer comprises aDSP control system; the on-site layer is used for monitoring operation equipment of the fuel cell power system in real time, the data transmission layer is used for data transmission between the on-site layer and the management layer, and the management layer is used for monitoring and controlling the fuel cell power system. The control management system has the advantages of simple structure, andsimplified management control strategy, and high sampling speed, strong data processing capability, increased sampling points and very high sampling data precision by adopting a DSP operation technology. The system can adapt to indoor and outdoor severe working environments, has remote diagnosis, test and supervision functions, and can meet data acquisition and control between scheduling or control centers of all walks of life and controllers.

The invention provides a designing method for a third-generation (3G)-network-based wireless video monitoring system. By the method, a set of wireless video monitoring system is constructed under a simple hardware environment by utilizing the characteristics of relatively lower cost, mobility and convenience of an advanced reduced instruction set computer machine (ARM) 9 processor and a 3G network. The system is compact and based on a linux kernel so as to be convenient, easy to carry and highly extensible. A main working principle of the system is that: the system adopts a processor S3C2440A, utilizes the linux2.6.30.4 kernel, transmits video signals acquired by a universal serial bus (USB) camera to a remote terminal for displaying by the 3G network, and is optimized to a certain extent in acquisition and displaying processes. The system can be used as a cluster video monitoring system to effectively ensure the 24-hour video monitoring, remote monitoring and the like of a cluster administrator over a cluster by own characteristics of convenience and mobility. Final test results show that the system has high communication real-time performance, video transmission smoothness and relatively higher image quality.

The invention provides a multi-signal window display method and a multi-signal window display device. The method comprises the following steps: establishing a display window, wherein the size of the display window is equal to that of a desktop; establishing a D3d (Dynamic 3dimensional Display) equipment object, and binding the D3d equipment object with the display window; obtaining the position coordinates of each path of signals to be displayed on the desktop; calculating the size of the display area of the display window according to the position coordinates; rendering a signal source image to the display area corresponding to the display window according to the D3d equipment object, and displaying the display window on the top. According to the multi-signal window display method and the multi-signal window display device disclosed by the invention, the video memory resources are greatly saved, and the display of hundreds of paths of signal source images can be realized by using only one D3d equipment object; moreover, the establishment of large windows is quicker, and especially when a plurality of signal modes are switched for display, the display speed of signal content is several times quicker than that in the traditional method.

The invention provides a general CAD model result lightweight visual viewing method. The method comprises the following steps: importing related data required by a lightweight visual viewing tool; processing the three-dimensional model data, and drawing to obtain a new three-dimensional model; processing the feature data of the local object of the three-dimensional model, and drawing to obtain a new local object of the three-dimensional model; observing and displaying a local object of the three-dimensional model in an associated index mode; and processing the result data file, and associatingthe result data file with the three-dimensional model to check the result data file. According to the general CAD model result lightweight visual viewing method provided by the invention, lightweightvisual viewing of the general CAD model and the general CAD model result is realized, CAD files of various formats can be viewed compatibly, the viewing application range is wide, and the universality is excellent; the universal CAD model and the universal CAD model result are good in display effect, high in display speed and small in occupied system resource, and therefore the use experience ofa user is improved.

The invention relates to a warning method and a warning system suitable for rail transit. The warning method comprises a sending step of packaging warning data generated by railway communication equipment into a first IP data packet, and sending that to a warning server; a receiving step of receiving the first IP data packet; an analyzing step of analyzing the received first IP data packet to obtain a source IP address and warning data contained in the first IP data packet; a processing step of obtaining an IP address of a warning terminal, packaging the analyzed source IP source address and the warning data into a second IP data packet, and sending that to the warning terminal; and a displaying step of receiving and analyzing the second IP data packet, and displaying the information contained in the second IP data packet. The method and the system can realize large range monitoring of the railway communication equipment by using IP technique, and has good expandability, excellent compatibility and flexible configuration mode; and the interfaces of the railway communication equipment and the warning terminal are no longer limited.

The invention discloses a thumbnail display method of a shooting interface and a mobile terminal, and relates to the technical field of computers. Since the mobile terminal can firstly respond to a starting instruction for a camera application, an alternative photo with the latest timestamp is directly determined from a first database, and an alternative video with the latest timestamp is determined from a second database; then target multimedia data with the latest timestamp can be determined from the alternative photo and the alternative video; and finally, a thumbnail of the target multimedia data is displayed in the shooting interface of the camera application. Therefore, the efficiency of acquiring the latest shot multimedia data is improved, and the efficiency of displaying the latest shot multimedia data on the shooting interface in the form of the thumbnail is improved, namely, the thumbnail display efficiency of the shooting interface is improved; and through adopting the thumbnail display method for displaying the thumbnail, the display speed is high.

The invention discloses a method for deleting handwritten stroke information input by a user on a handwriting device, and relates to the technical field of information science. The method is as follows: After receiving the handwritten information input by the user and identifying the type of information as erasing information, by comparing the existing information with the information of this track, filter out the strokes that need to be erased and delete these strokes, and display The device will display the modified handwriting information in real time. It has the following advantages: the handwriting device has a variety of working modes, and this erasing method can automatically judge whether the current erasing action is based on the user's input method; after reading and saving the erasing track, it can judge the handwriting passed by each track , so as to erase the corresponding strokes to meet the erasing needs of some users; at the same time to realize the erasure of the data, the erasing effect of the strokes is displayed on the ink screen interface in real time, with fast display speed and high erasing efficiency.

The present invention a three-dimensional display device and a three-dimensional display method. The device comprises: a pulse light source configured to emit pulse optical signals; a first dispersiondevice configured to convert the pulse optical signals emitted by the pulse light source from a frequency domain to a time domain to form pulse optical signals after broadening of the time domain; asignal modulator configured to modulate image data of a pre-displayed three-dimensional object to the pulse optical signals with broadened time domain; a first optical device configured to achieve scanning of the modulated optical signals in an X direction and a Y direction; a second optical device configured to achieve Z-direction scanning of the pulse optical signals scanned in the X direction and the Y direction; and display materials configured to allow the pulse optical signals scanned through the first optical device and the second optical device to achieve display of the three-dimensional body in the X direction, the Y direction and the Z direction through the display materials. The three-dimensional display device and the three-dimensional display method can achieve real three-dimensional display of the object through an optical structure.

The invention is applicable to the field of data processing, and provides a contact communication interface display method and device. The method comprises the steps that a contact communication interface identifier is displayed in a main interface; the selected operation of the contact communication interface identifier of a user is received; and according to the selected operation, a contact communication interface corresponding to the contact communication interface identifier is displayed. According to the embodiment of the invention, an intelligent terminal displays the contact communication interface identifier in the main interface; according to the selected operation of the contact communication interface identifier of the user in the main interface, the corresponding contact communication interface is directly displayed, and the user can communicate with a contact; the contact communication interface display process has the advantages of less user operation steps and fast display speed; the problem of cumbersome and time-consuming operation of the existing contact communication interface display method is overcome; and the user experience is greatly improved.

The invention relates to a redundancy device of a large-screen image processor based on display detection and a control method. The system comprises a display wall, an image processor, a control computer, a signal distributor, a network switch and a computer for providing a signal source, client operation software for large-screen display, a control image processor and a large-screen display unitare installed on the control computer, and one control computer synchronously controls two hardware type image processors with identical configurations. The control computer is respectively connectedwith the large screen and the network switch, the network switch is respectively connected with the two hardware type image processors with the same configuration, the computer is connected with the signal distributor, and the signal distributor is connected with the image processor. According to the invention, the fault which cannot be normally displayed and occurs in the image processor can be accurately judged. The display recovery speed is high; And the original display scene can be recovered, and real display redundancy is realized.

The invention discloses an ecological red line automatic positioning display system, which comprises a user management module, a map function module, a data processing module and a data display module. The user management module performs user management and authority setting; the map function module displays the ecological red line area, the real-time position of the user and destination navigation; the data processing module acquires the position data of the ecological red line and realizes conversion, cutting, processing and returning of the position data of the ecological red line in real time; and the data display module displays the position data of the ecological red lines in real time and performs map display. The invention further discloses a power grid project site selection and line selection method adopting the ecological red line automatic positioning display system. The system provided by the invention can quickly realize automatic positioning and display of the ecologicalred line, and is good in safety and high in display speed; meanwhile, the system is adopted to perform the power grid project site selection and line selection process, the line selection process israpid and accurate, and the efficiency is high.