132 results about "Video navigation" patented technology

A route information supply system comprises a reception module which receives information on a current position and a destination from a terminal device by communication, a map data storage module storing at least detailed map data and summary map data, a traffic information storage module which stores traffic information, a route search module which searches for a guidance route based on the current position and the destination, a map information generation module which generates map information on an area containing the searched route by use of the map data storage module, and an output module which outputs the generated map information to the terminal device. When an event satisfying a prescribed condition regarding the traffic information exists in the area, the map information generation module generates map information on an area in the vicinity of a point where the event has occurred by use of the detailed map data.

A video tracking system includes a user interface configured to facilitate tracking of a target between video cameras. The user interface includes user controls configured to assist a user in selecting video cameras as the target moves between fields of view of the video cameras. These user controls are automatically associated with specific cameras based on a camera topology relative to a point of view of a camera whose video data is currently being viewed. The video tracking system further includes systems and methods of synchronizing video data generated using the video cameras and of automatically generating a stitched video sequence based on the user selection of video cameras. The target may be tracked in real-time or in previously recorded video and may be track forward or backwards in time.

Video navigation is provided where a video stream encoded with captioning is received. A user-searchable captioning index comprising the captioning and synchronization data indicative of synchronization between the video stream and the captioning is generated. In illustrative examples, the synchronization is time-based, video-frame-based, or marker-based.

A system is provided where a number of representative video snapshots are displayed on a timeline indicating a position to jump to in a video using control buttons, such as fast forward, reverse, or a timeline scroll bar. The video snapshots are obtained by opening a low resolution connection to a video server to receive forward looking video segments. The forward looking video segments are summarized and the representative video snapshots are selected and displayed to provide a reference frame for the user to select a timeline position, or snapshots directly linked to positions in the higher resolution video. Backward looking video segments may be similarly summarized from the low resolution connection, or alternatively from video previously played. As the video progresses, new forward looking video segments are received and new representative video snapshots are summarized and displayed in close proximity with the video being played.

A video tracking system includes a user interface configured to facilitate tracking of a target between video cameras. The user interface includes user controls configured to assist a user in selecting video cameras as the target moves between fields of view of the video cameras. These user controls are automatically associated with specific cameras based on a camera topology relative to a point of view of a camera whose video data is currently being viewed. The video tracking system further includes systems and methods of synchronizing video data generated using the video cameras and of automatically generating a stitched video sequence based on the user selection of video cameras. The target may be tracked in real-time or in previously recorded video and may be track forward or backwards in time.

Proposed is a model for generation and use of metadata for interactive video navigation and video content identification.

Video frame loupes are presented that provide a frame-by-frame video navigation tool. A video frame loupe is a graphical user interface (UI) element that may be displayed over a portion of a display screen, and which may be used by a user to navigate frames of a video clip. For example, a user may provider a user input to activate the video frame loupe to be displayed as a preview window that presents a continuum of frames available at the time corresponding to a point at which the video frame loupe UI was invoked. The user may then navigate forward / backward with frame-level accuracy.

The invention discloses a method for generating a video navigation system automatically, which comprises: cutting a video into a plurality of pictures by using a double-threshold picture cutting algorithm; extracting the key frames of the pictures by using a leading clustering algorithm; clustering the pictures by using the leading clustering algorithm to form a picture group; and creating a scene by using the picture group. The method improves the structuralization degree of the videos greatly, makes a hierarchical directory of the videos, and facilitates the video content capture and browsing of users. The method can make a DVD directory conveniently and provide support for video retrieval technology. Today, when videos have become part of people's life, the method has great application value and prospect.

The invention discloses an endoscope-based multispectral video navigation system and method. The system comprises an endoscope head module used for internal inspection, a light source module used for providing near infrared and visible light sources, an optical signal acquisition module used for acquiring near infrared and visible light images, a multispectral conversion module used for imaging different spectrum segments, and a controlling and processing module used for controlling a camera and processing the acquired images to achieve video navigation. The invention also discloses a method utilizing the system to achieve multispectral video navigation. By adopting the system and the method, the problem that at present, most endoscope fluorescent products can only see fluorescent images or visible light images but not multispectral images is solved, technical monopoly of foreign companies in China is broken through, the imaging research threshold of the multispectral endoscope is lowered, the selection space of optical molecular imaging probes is expanded, and the optical molecular imaging research and application ranges are extended.

The invention relates to a multi-micronano detector networking joint demonstration verification system based on an intelligent mobile robot, comprising a ground synergic control workstation, a synergic control model library, a satellite wireless communication equipment simulator, an intelligent mobile robot, a GPS (Global Positioning System) receiver, video navigation equipment and a display terminal, wherein the ground synergic control workstation controls the synergetic work and the formation transform and maintenance of the whole system; the synergic control model library provides a control algorithm and a control model for the ground synergic control workstation; the satellite wireless communication equipment simulator provides a communication link between satellites and the workstation; the intelligent mobile robot as a carrier of the GPS receiver and the satellite wireless communication equipment simulator is controlled by the control workstation to move and used for simulating the relative position change among the satellites; the GPS receiver and the video navigation equipment realize the relative navigation among the satellites; and the display terminal displays a networking joint verification result in real time. The invention can effectively decrease the test cost of a multi-micronano detector networking detection system, shortens a research and development period and has important engineering application values.

A multifunction video navigation display is achieved without adding an extra load onto hardware or software of a viewing apparatus. In such a video content viewing apparatus, a memory unit acquires video contents and metadata to execute video navigation functions from an external server and stores them, a metadata analysis unit verifies completeness of the acquired metadata and corrects / complements an incomplete portion of the metadata, and a navigation unit executes the selected video navigation function according to an analysis result provided from the metadata analysis unit.

The invention provides a continuous mining machine control system for a coal mine based on image and data combination. The continuous mining machine control system consists of a mining laser orientation instrument and video navigation target matching device, a closed dustproof video gradienter observation box, a data and image monitoring main unit and a communication network. An operator can accurately master a working condition of equipment by observing images and acquiring data of sensors and can also remotely control the equipment through a remote controller. According to the continuous mining machine control system, the problems that a laser navigation light spot cannot be seen clearly through visual inspection and a posture of a machine body cannot be observed in a remote control working process of an existing continuous mining machine or an existing quick excavator are solved.

The invention discloses a video map sharing method, and an apparatus and a system thereof. The method comprises the following steps: shooting a live-action video through a camera, and acquiring current position information in the live-action video shooting process; inserting the acquired current position information into the live-action video to generate a video map, and uploading the video map to a cloud server; and sending position information required by navigation to the cloud server when video navigation is needed, acquiring the video map corresponding to the position information from the cloud server, and navigating according to the video map. The video map made by a user can be shared by using the above technical scheme, and fine comprehensive navigation services are provided for users.

The invention provides a three-dimensional animation video navigation method and a system thereof. The method comprises the following steps: determining the position of a user; judging whether the user enters the display scope of three-dimensional animation video data; selecting the three-dimensional animation video data by using a data enquiry module; calculating the position of a three-dimensional animation video display frame by using a three-dimensional animation video display module and playing on a display device; and judging that the position of the user is away from the display scope of the three-dimensional animation video data by using a position judging module to finish displaying a three-dimensional animation video. The navigation system comprises a position positioning module, the position judging module, a three-dimensional animation video data base, the data enquiry module and the three-dimensional animation video display module. The three-dimensional animation video navigation method and the system thereof are used for displaying a three-dimensional scene close to reality, help the user to quickly determine the current position before the change of a road and select an accurate path. Meanwhile, the invention also can achieve the functions of tourism navigation, shopping navigation, parking navigation and the like.

The invention discloses a handheld fluorescent ultrasonic fusion radiographic navigation system. A multi-spectrum source exciting module excites near-infrared laser and visible white light; a handhelddetector module includes a fluorescent probe and an ultrasonic probe integrated to each other; the fluorescent probe irradiates tissue of an open living body to obtain a fluorescent image of a specific tissue part; an information processing module processes the fluorescent image to obtain an enhanced fluorescent image including position and boundary of diseased tissue; a high-frequency ultrasonicexciting module excites multi-frequency ultrasound according to the displayed position and boundary of the diseased tissue, an ultrasonic probe performs ultrasonic detection on the diseased tissue toobtain a continuous two-dimensional ultrasonic image of the diseased tissue; the information processing module performs 3D registered fusion on the continuous two-dimensional ultrasonic image to obtain a 3D ultrasonic image of the diseased tissue; the information processing module transmits the 3D ultrasonic image to a display for displaying, and the enhanced fluorescent image and the 3D ultrasonic image provide real-time surgical video navigation for surgeons.

A video navigation system and method can be utilized to efficiently and adjustably navigate video content. In one embodiment, a video information control method facilitates efficient video navigation. A video stream is received and video access point selection between multiple access points in said video stream is controlled. The presentation information is forwarded for each of the multiple access points. In one exemplary implementation, the presentation information is forwarded to a display and the information is directed to presenting a main viewing area and navigation areas that present looping video clips or portions of the video stream at time intervals ahead of and behind the video portion being presented in the main viewing area.

A video navigation system and method can be utilized to efficiently and adjustably navigate video content. In one embodiment, a video information control method facilitates efficient video navigation. A video stream is received and video access point selection between multiple access points in said video stream is controlled. The presentation information is forwarded for each of the multiple access points. In one exemplary implementation, the presentation information is forwarded to a display and the information is directed to presenting a main viewing area and navigation areas that present looping video clips or portions of the video stream at time intervals ahead of and behind the video portion being presented in the main viewing area.

The invention is used for shooting a road condition scene in a driving process into a video; the road condition scene shot in the video is extracted through an image identification technology and a similarity comparison technology; the road condition scene and a pre-stored electronic map are subjected to similarity comparison; when one point in the road condition scene has the highest similarity as a certain point in the electronic map, the point is a current position of a user; a navigation path is generated according to the current position of the user and a destination coordinate; a navigation prompt is provided for the user according to the navigation path. By adopting a video navigation technology, the problem that the utilization of traditional GPS (Global Position System) navigation is relatively complicated is greatly simplified and the efficiency of identifying the direction in a driving process is improved; when the user uses the video navigation, the user only needs to input the destination, so that the user can conveniently utilize the video navigation and the driving accidents are effectively reduced.

An apparatus is capable of playing back video content recorded on a DVD-Video disk without requiring the playing of a menu. A presentation sequence control unit of a non-video navigation manager extracts button commands for playing titles from a VMGM-PG for displaying a title menu defined for a DVD-Video disk. The presentation sequence control unit selects the extracted button commands in a predetermined order and requests a navigation control unit to play titles indicated by the button commands. The navigation control unit controls a presentation engine to reproduce audio data of the titles in accordance with VTS-PGCs for playing back titles and to provide the reproduced audio data through an audio output device.

The invention relates to an X-ray digital imaging detection device for detecting a welding seam of a tube row and belongs to the field of a detection device. The X-ray digital imaging detection device for detecting the welding seam of the tube row comprises a ray protection device, tube row conveying feeders, a tube head regulating mechanism, a detector regulating mechanism, a laser video navigation device, a computer image processing system and a main console. The ray protection device comprises a placement part and an entity part; the detector regulating mechanism comprises a ray detector; the tube row conveying feeders are arranged at both ends of the ray protection device; the laser video navigation device is arranged at the lower part of the tube head regulating mechanism; both the tube head regulating mechanism and the laser video navigation device are arranged at the upper part of the placement part of the ray protection device; the detector regulating mechanism is arranged at the lower part of the placement part of the ray protection device; the computer image processing system is arranged on the main console; and the computer image processing system is connected with the ray detector through a communication cable.

The invention relates to a navigation video generation method and device, and a video navigation method, device and system. The navigation video generation method comprises the following steps: transmitting location information to a server; receiving a live-action three-dimensional model map corresponding to the location information; processing the live-action three-dimensional model map accordingto preset parameters and a preset algorithm to generate a navigation route; performing simulated roaming on the navigation route according to a preset roaming mode to generate a navigation path; andgenerating the navigation video according to the navigation path. According to the navigation video generation method disclosed by the invention, the user needs to load or download the navigation video during video navigation, and does not need to load the live-action three-dimensional model map and operate the live-action three-dimensional model map, lots of data transmission and complicated operations are reduced, and the efficiency is improved.

A wireless communication method for an audio-video-navigation (AVN) device of a vehicle includes: receiving position information of an estimated target base station, which is estimated based on navigation path information; receiving a handover command; comparing the position information of the estimated target base station to position information of the AVN device of the vehicle upon receiving the handover command; determining whether a first distance from the estimated target base station to the AVN device of the vehicle is within a threshold distance; requesting pre-sending with respect to the estimated target base station when the first distance is within the threshold distance; synchronizing with the estimated target base station; and generating a confirmation signal in response to the handover command.

The invention provides a real-time visual navigation system in orthopaedic minimally invasive surgery based on virtual-real fusion. The real-time visual navigation system based on virtual-real fusioncomprises an NDIPolaris optical tracking device, a virtual-real fusion device and a navigation device, wherein the NDIPolaris optical tracking device is used for acquiring six-degree-of-freedom pose information of a mark point in a real three-dimensional space; an optical tracking equipment bracket used for supporting optical tracking equipment (NDIPolaris) so that the optical tracking equipment is placed at a pointing position at any angle; a depth camera used for acquiring video data and video depth information in normal and lateral directions in an operation; a display used for displaying the poses of the tracked surgical instrument in the front side video, the side video and the three-dimensional virtual model in real time so as to realize visualization of the minimally invasive surgery; a video equipment bracket used for supporting the depth camera and the display equipment and fixing the depth camera and the display equipment at specified positions; and a video navigation calculation device is used for processing data acquired by the optical tracking equipment and the depth camera, calculating video navigation data and sending the video navigation data to the display.

A video navigation system and method can be utilized to efficiently and adjustably navigate video content. In one embodiment, a video information control method facilitates efficient video navigation. A video stream is received and video access point selection between multiple access points in said video stream is controlled. The presentation information is forwarded for each of the multiple access points. In one exemplary implementation, the presentation information is forwarded to a display and the information is directed to presenting a main viewing area and navigation areas that present looping video clips or portions of the video stream at time intervals ahead of and behind the video portion being presented in the main viewing area.

The invention discloses a visible parking system based on a video navigation technology. The system comprises a server-side which is arranged in a parking lot and can provide services for a client-side and the client-side capable of being in information interaction with the server-side. The visible parking system based on the video navigation technology can overcome the defects that an existing parking system is poor in visibility, reliability and experience effect and has the advantages of being good in visibility, reliability and experience effect.

The invention relates to an intelligent vehicle automatic vehicle motion control system and a control method thereof. The intelligent vehicle automatic vehicle motion control system and the control method thereof solve the problem of the lack of safe and reliable intelligent vehicles in the prior art. The key points of the technical scheme of the intelligent vehicle automatic vehicle motion control system and the control method thereof are that navigation trajectories comprise a main navigation trajectory, auxiliary navigation trajectories which are arranged on both sides of the main navigation trajectory respectively and parallel to the main navigation trajectory, and a magnetic navigation trajectory embedded under the main navigation trajectory; a navigation identification modules comprise a main video identification navigation module corresponding to the main navigation trajectory, a magnetic induction module, and an auxiliary video navigation identification module corresponding to the auxiliary navigation trajectories; a wireless communication module, the main video identification navigation module, the magnetic induction module and the auxiliary video identification navigation module are connected with a master controller; a communication device is communicated with the wireless communication module. The intelligent vehicle automatic vehicle motion control system and the control method thereof are safe, reliable and high in stability.

The present invention relates to a sleepy warning device with a wearable display for a driver and a method. The device provided by the invention comprises: a driving state sensing device configured to sense the driver state to determine whether the driver is in a sleepy state or not; a projection wearable display configured to emit sleepy warning to the driver; an audio and video navigation configured to provide at least one of audio, video and a navigator information for the wearable display; and a smart phone configured to provide at least one of music, multimedia data and the navigator information for the projection wearable display. According to the invention, when it is determined whether a driver is in a sleep state at driving, the device is able to emit vision and auditory warning to the driver and is also able to actively execute an indication used for improving the driver's state through inducing the driver to talk or forcibly change the driving path so as to induce the driver to wake up and reduce the driving risk factor.

The invention relates to a multipicture comprehensive video navigation system which comprises a live telecast stream system, a program stream transmission system and a multipicture integrative management platform, wherein the live telecast stream system comprises an AV signal input end as well as a coder, a multiplexer and a modulator which are sequentially connected; the program stream transmission system comprises a file server, a stream media broadcast server and a multipicture video post which are sequentially connected; the multipicture integrative management platform provides a management command for the program stream transmission system; the live telecast stream system can respectively transmit live telecast streams to the program stream transmission system and the multiplexer / modulator through ASI ports; the program stream transmission system can transmit program streams to the multiplexer / modulator; and the multiplexer / modulator transmits the received program streams to a user through an HFC network. Besides the functions of navigating and managing integrated services, the system also has extended functions of managing front-end resources, controlling distribution mechanisms, processing and editing interfaces, and the like, realizes the unification and the standardization of a management system and has simple scheme and good expansibility.

The invention provides a personalized display system for integrating and varying car content which includes: a profile creation unit collecting and storing driving information and route information, creating manipulation information related to manipulation of state content of a cluster and an audio-video-navigation (AVN) device, and creating manipulation style profile information through a combination of the driving information, the route information, and the manipulation information; a user weight creation unit giving a manipulation specification weight based on the manipulation information and inputted driver information to create weight setting information; a display specification decision unit mapping the weight setting information to the created manipulation style profile information in order to determine a user's favorite display specification; and an integration screen display unit displaying the determined favorite display specification on an integration screen of the cluster and the AVN device.

The invention discloses a video navigation and parking lock linkage method. The method calculates a horizontal distance from the vehicle to the camera by using a vehicle picture shot by a video cameraat a specific place according to the angle of the shooting, the location of the camera relative to the vehicle and the distance between the camera and the ground, and realizes real-time positioning of the vehicle combined with the location of the camera in a parking lot map model. The real-time location information of the vehicle is combined with the path model of the parking lot to provide real-time navigation for the vehicle, and the user can view the navigation information through mobile devices such as a smart phone to guide the user to a designated parking space, thereby saving time forthe user to find a parking space in an indoor parking lot.