57 results about "Video camera" patented technology

Method for determining the pose of a camera with respect to at least one object of a real environment for use in authoring/augmented reality application that includes generating a first image by the camera capturing a real object of a real environment, generating first orientation data from at least one orientation sensor associated with the camera or from an algorithm which analyses the first image for finding and determining features which are indicative of an orientation of the camera, allocating a distance of the camera to the real object, generating distance data indicative of the allocated distance, determining the pose of the camera with respect to a coordinate system related to the real object of the real environment using the distance data and the first orientation data. May be performed with reduced processing requirements and/or higher processing speed, in mobile device such as mobile phones having display, camera and orientation sensor.

An apparatus and method for the remote control and/or interaction-with electronic-devices such as computers; home-entertainment-systems; media-centers; televisions; DVD-players; VCR-players; music systems; appliances; security systems; toys/games; and/or displays. A user may orient a pointer (e.g., laser pointer) to place a visible pointer-spot on/near object(s) on an active-display(s); and/or a fixed-display(s); and/or on real-world object(s) within a display region or pointer-spot detection-region. Detectors and/or camera(s) may be connected/attached to the display region and/or a structure that is connected/attached to display region. When the user initiates a “select”, the detectors/cameras may detect the location of the pointer-spot within the display region. Corresponding to the user's selection(s); control action(s) may be performed on the device(s) being controlled/interacted-with and additional selection-menus may be optionally presented on an active-display. In an alternative embodiment, the invention may operate equivalent to a computer-mouse or other pointing-device. In another alternative embodiment, the invention may be made inter-operable with existing electronic-devices [e.g., televisions] that are controlled with infrared signaling.

A system for detecting intrusion into a space which includes motion detection light structure for producing and projecting a light pattern formed by a plurality of light beams of a certain character into a space and video motion detecting structure including a video camera having a field of view including at least some of the light pattern to detect intrusion into the light pattern. When motion is detected, images of the video camera are transmitted for threat assessment, and a scene illumination light is activated to improve visibility during nighttime operation.

The invention relates to a three-dimensional pavement crack image generation system and method. The system includes an information acquisition subsystem, a data processing subsystem and the like, wherein the information acquisition subsystem includes an image acquisition module and a crack depth acquisition module; the image acquisition module includes a shooting control sub-module, a CCD line scan camera and a structured light projector; and the data processing subsystem includes an information storage module, an image registration module, a visible light image crack detection module, a structured light image space texture extraction module and an image fusion module. The method comprises the following steps: step S100, collecting sample crack information, and building a crack depth prediction model; step S200, collecting a target rack image, extracting crack features and space texture, and calculating the target crack depth. Compared with the prior art, the three-dimensional pavement crack image generation system and method provided by the invention are simpler and more feasible and high in accuracy, and have broad application prospects.

An image sensor has an imaging surface irradiated with an optical image of an object scene, and repeatedly generates an object scene image. A CPU repeatedly determines whether or not a specific variation exceeding a reference is generated in the object scene captured by the image sensor, in parallel with a generating process of the object scene image by the image sensor. When a determination result is updated from a negative result to an affirmative result, the CPU waits for an elapse of a designated period, then, determines presence or absence of a generation of a flicker, and executes a flicker countermeasure process, as needed.

The invention discloses an intelligent track camera robot system and relates to a camera device or equipment, in particular to the camera device in a studio with the purpose of solving the problems of complex structure and high maintenance cost of an existing track camera robot. The track camera robot system comprises a cradle head, a lifting mechanism and a track vehicle. A camera is arranged on a biaxial cradle head and can realize all-around photographing. The lifting structure is provided with three lifting columns, so that the height of a track camera robot can be adjusted to adapt to photographing occasions of different heights. The track camera robot has a simple structure and is low in production cost and maintenance cost. The lifting structure of the system is simple, has high adjustment speed and can quickly adapt to different photographing heights. The camera can be vertically and horizontally turned, so that 360-degree all-around photographing can be realized.

The invention discloses a full-automatic rapid generating and completing method for new view in manufacturing of 3D film. The method comprise the steps of performing 3D back projection and surface triangulation for the original view image and the depth image according to the camera parameters of the original view; performing 3D space projection rendering for the gridded image surface structure according to the camera parameters of the new view so as to generate the image of the new view and the depth image; expanding the color and depth of a non-empty area in the new view image and the depth image to fill tan empty area by the flooding filling method until the color and depth of all pixels in the empty area are completely filled. With the adoption of the method, the view image and depth of the 3D new view can be efficiently and rapidly synthesized; in addition, the empty area produced by shielding in the new view can be fully automatically rapidly repaired so as to obtain the realistic new view image synthesizing result.

The invention discloses a method for controlling the automatic following shot of cameras according to the number of people on a game site. The method involves a cloud deck, a system for recognizing the number of people on site, a tracking control unit, a high-definition variable-focus camera capable of rotating by 360 degrees and a video processing unit, wherein the system for recognizing the number of people on site comprises a far infrared low-light-level high-speed high-definition camera, a main server and an image recognizing system, the tracking control unit comprises a collecting module, a converting module, a control module, a terminal communication module and a display module, and the terminal communication module is in communication with the high-definition variable-focus camera capable of rotating by 360 degrees. By means of the method, the main purposes of accurately recognizing the number of people on site and automatically controlling the cameras are achieved, the shot target can be accurately detected, and quite strong interference resistance is achieved.

The invention provides a new method for automatically measuring the screw pitch of propeller blades, which takes an image as a basis to carry out non-contact automatic measurement of the screw pitch of the propeller blades. The method comprises the following steps: firstly, collecting the images of the propeller blades by utilizing equipment such as a computer, a projector, a camera and the like; acquiring a coordinate of a two-dimensional image coordinate system of all the projective points of the blades by taking a digital image processing technology as a basis; calculating a coordinate of a three-dimensional real-world coordinate system of all the projective points of the blades by utilizing a camera calibration model; and finally calculating the screw pitch of the propeller blades by utilizing the computer.

The invention discloses a system and a method of monitoring illegal traffic parking in a yellow grid line area. The system comprises a high-definition camera, a light supplement lamp, an industrial control computer, network equipment and a computer monitoring system. The camera and the light supplement lamp are arranged on a portal frame of a monitored road section. The industrial control computer is arranged inside a roadside power supply box. The high-definition camera and the light supplement lamp are electrically connected with the industrial control computer through network cables. The industrial control computer is electrically connected with the computer monitoring system through the network equipment via a network cable. The industrial control computer receives shooting data of the high-definition camera and meanwhile identifies the license plates of illegally parking vehicles. The system has the beneficial effects that interference of trees, pedestrians and other motor vehicles is effectively filtered by selecting a binary morphology algorithm during an image segmenting and identifying process; and great anti-noise performance is achieved. By adopting an optimized image processing method, the system can monitor illegal parking behaviors in yellow grid line areas of four lanes simultaneously. The system achieves a high recognition rate, high accuracy and high real-time performance.

The invention discloses a background modeling method based on a brightness and texture infusion threshold value. The method comprises: a brightness and texture fusion threshold value is calculated; with a VIBE algorithm, all pixel points at one frame of image are classified into two types: foreground pixels and background pixels; Gaussian mixture modeling is carried out on pixel points with changing brightness in a new image frame; and then a threshold value corresponding to each pixel point is updated. According to the method, because the texture and color brightness are fused to form a threshold value and advantages of the Gaussian mixture model and the VIBE algorithm are combined, the background can be extracted accurately under the circumstance that several kinds of external disturbances like an illumination change, slight camera shaking, a dynamic background element exist, the influence on the real moving target by shadows can be suppressed to a certain extent, the anti-interference capability is enhanced, the image frame processing is accelerated, and the moving target segmentation precision is improved effectively.

In order to provide a monitoring system for performing monitoring efficiently using a small number of cameras in accordance with a crowded degree in a target region, a monitoring system, comprising: a movable monitoring camera; and a controlling unit for controlling the monitoring camera, wherein the controlling unit detects a target object in a target region, calculates a crowded degree of the target objects in the target region, moves the monitoring camera to a position of the target object so as to monitor the target object if the crowded degree is small, and makes the monitoring camera round so as to monitor the target objects if the crowded degree is large is provided.

This invention relates to a method for identifying odd-even field of digital video signals, in which, a video vidicon gets an original video flow as the input, which enters into the computer after being changed to a video data flow by a video collection card to be processed, operated by the computer, which reverses the odd-even sequence of the input video sequence once and compares the edge energies of the original input video sequence with that of the reversed one, and the smaller one is the correct one and is output so as to get video signals with correct field sequence.

The invention discloses an embedded flotation froth image monitoring device based on a digital signal processor (DSP). The device is composed of an image acquisition device, an image processing core board module and a communication interface board module, the image acquisition device, the image processing core board module and the communication interface board module are integrated in a protective cover, and an image processing core board and a communication interface board are respectively realized through an independent board card and are connected through a bus slot. The calculation acquisition device is composed of a high resolution industrial video camera, a high frequency light source and double protective covers with a protection level of ingress protection (IP) 65. The calculation processing core board is mainly composed of a processor, and is used for real-time processing and analysis of images. The communication interface base board is used for transmitting the images to a video chip from the video camera, and being communicated with outside display equipment and an upper computer. The embedded flotation froth image monitoring device based on the DSP is used in the fields of monitoring, real-time processing and optimal control of mineral froth flotation processes.

The invention provides a lens moving mode switching method and device, a storage medium and an electronic device. The method comprises the steps of detecting the scene state of a virtual game when a virtual camera of the virtual game employs a first lens moving mode to present a game image; and if the scene state represents that the virtual game enters a specified scene, controlling the virtual camera to be switched from the first lens moving mode to a second lens moving mode. According to the method and the device, the technical problem that the lens moving mode cannot be switched according to the game scene in related technologies is solved, the immersion and substitution feeling of the virtual game are improved, and the user experience is improved.