Abstract: An object location estimating method with a timestamp alignment function is applied to an object location estimating device. The object location estimating method includes acquiring a plurality of first frames from a first camera, setting a first predetermined point of time, defining a first previous frame and a first next frame closest to the first predetermined point of time from the plurality of first frames, acquiring a first previous coordinate value of an object within the first previous frame and a first next coordinate value of the object within the first next frame, and utilizing the first previous coordinate value and the first next coordinate value to compute a first estimation coordinate value of the object at the first predetermined point of time.
Abstract: An image processing system includes a dual lens module and a processor. The dual lens module captures a pair of images. The processor generates a depth map of the pair of images. The processor generates a pixel depth distribution histogram according to the depth map. The processor calculates a pixel depth mean and a pixel depth variance according to the pixel depth distribution histogram. The processor determines whether the pixel depth mean is within a distance range and determines whether the pixel depth variance is smaller than a first threshold or larger than a second threshold, so as to determine that the dual lens module is situated in a normal state or an abnormal state.
Abstract: A method for providing a user interface to stitch surveillance images of a scene is applied to an electronic device and includes providing a master camera and a slave camera for monitoring two surveillance regions of the scene, providing an identical feature in an overlapped area between the two surveillance regions to make the identical feature present in a master image captured by the master camera for one surveillance region and a slave image captured by the slave camera for the other surveillance region, the electronic device displaying the user interface, and the electronic device stitching the master image and the slave image according to the identical feature when a stitching function is triggered. The user interface has a master image zone displaying the master image, a stitching zone displaying the slave image, and a stitched zone displaying a stitched image for the master and slave images.
Type:
Grant
Filed:
July 2, 2018
Date of Patent:
February 25, 2020
Assignee:
VIVOTEK INC.
Inventors:
Chia-Chi Chang, Yi-Hsuen Shih, Nian-Ci Lan
Abstract: A visitor grouping method determines whether different visitors belong to an identical group according to a distance between the visitors and an initial position of the visitors in an image sequence, so as to analyze a proportion of number of individual visitors to number of grouped visitors. Furthermore, the visitor grouping method may further determine whether two groups belong to an identical group according to a distance between the groups and an initial position of the groups in the image sequence. Moreover, the visitor grouping method may determine whether a child group exists and then merge the child group with other groups. Accordingly, a specific site may design the display content and manner with respect to the properties of the visitors, so as to enhance service quality and operating efficiency.
Abstract: An image analyzing method is applied to a camera and the camera is configured to monitor a monitored area. The image analyzing method includes steps of driving the camera to monitor the monitored area; sampling a plurality of field of views when the camera monitors the monitored area, so as to obtain a plurality of time information and a plurality of position information corresponding to the field of views, wherein each of the time information is corresponding to one of the position information; recording the time information and the position information; and generating a monitoring strength distribution corresponding to the monitored area according to the time information and the position information.
Abstract: A network configuration method and a wireless networking system utilizing the method are proposed. The proposed method comprises performing a site survey process to search for at least one available wireless network device, obtaining a setting datum corresponding to a wireless access point, selecting one of the available wireless network devices, determining a network connection type corresponding to the selected wireless network device, determining a transferring method according to the corresponding network connection type to transfer the setting datum to the selected wireless network device. The setting datum comprises at least one of a service set identifier (SSID), a wireless encryption method, and a wireless encryption key.
Abstract: An image analysis method is applied to estimating a mounting position of a camera and includes utilizing the camera to capture an image toward a target region. The image includes at least one object of interest. The object of interest has a pixel height in the image. The image analysis method further includes obtaining an inclining angle and a rolling angle of the camera relative to the target region, calculating a mounting height of the camera relative to the target region according to an input height and the pixel height of the object of interest, an image capturing parameter of the camera, the inclining angle and the rolling angle, and performing video content analysis on the image according to the image capturing parameter, the inclining angle, the rolling angle and the mounting height of the camera.
Abstract: A light source assembly comprises a base body and at least one light source module. The base body comprises a first and a second bearing base connected to each other. The first bearing base is configured for an image capture module to be disposed thereon. The second bearing base is located on the periphery of the first bearing base. The at least one light source module is slidably disposed on the second bearing base, and movable toward and away from the first bearing base. The at least one light source module forms an adjustable space. The adjustable space is configured for receiving the image capture module. The first bearing base has a first bearing surface configured for the image capture module to be disposed thereon. A sliding direction of the at least one light source module is not parallel to a normal direction of the first bearing surface.
Abstract: A wireless transmitting/receiving system includes a transmitter, a first directional receiver, a camera, a storage device and a processor. The transmitter is disposed on a target object and transmits a wireless signal. The first directional receiver is disposed with respect to an entry/exit boundary. The first directional receiver receives the wireless signal and generates a first received signal strength indication. The camera captures an image of the entry/exit boundary. The storage device stores a mapping table of target object location and received signal strength. The processor is electrically connected to the storage device and determines a location of the target object and a moving direction of the target object with respect to the entry/exit boundary according to the image and the mapping table of target object location and received signal strength.
Abstract: A video flow analyzing method and a related camera device are applied to determine whether an object passes through a monitoring area. The video flow analyzing method includes drawing two boundaries on a video image correlative to the monitoring area to form a counting path, utilizing endpoints of the two boundaries to define an inlet and an outlet of the counting path, setting an initial point while the object moves into the counting path by crossing one of the boundaries, the inlet and the outlet, setting a final point while the object moves out of the counting path by crossing one of the boundaries, the inlet and the outlet, and utilizing the initial point and the final point to determine whether the object passes through the counting path.
Abstract: A video file playback system capable of previewing an image, a method thereof, and a computer program product can sequentially compare change amounts between chronological two of frame images, select the frame images, of which the change amounts exceed a preset value, in at least one time interval, and select a frame image, which has a maximum change amount, in the frame images in each time interval as a preview image. By displaying a preview image corresponding to each time interval, a user can quickly browse key images of each time interval.
Abstract: A method for transmitting and displaying an object tracking information includes steps of capturing an image by a camera, wherein an object exists in the image; analyzing the image by the camera to obtain a 3D world coordinate information of the object; transmitting a projection matrix and the 3D world coordinate information to a display device by the camera; using the projection matrix to convert the 3D world coordinate information into a 2D image coordinate information by the display device; and displaying a pattern corresponding to the object according to the 2D image coordinate information by the display device.
Type:
Grant
Filed:
February 7, 2017
Date of Patent:
August 13, 2019
Assignee:
VIVOTEK INC.
Inventors:
Cheng-Chieh Liu, Szu-Mo Chang, Kuan-Yu Lin
Abstract: A light source control method is applied to a camera apparatus including a device body, a plurality of image capturers movably disposed on the device body, and a plurality of light sources disposed around the device body. The light source control method includes each image capturer capturing an uncompensated image toward a target region respectively when each light source is turned off, turning on the plurality of light sources by turns, each image capturer capturing a practical image toward the target region when each light source is turned on by turns, and comparing image reference values of the practical images captured by the plurality of image capturers when each light source is turned on by turns with image reference values of the corresponding uncompensated images respectively for controlling turning on or off of each light source respectively.
Abstract: A pair of parking area sensing cameras, comprising a first parking area sensing camera configured to monitor a first parking area and generate a parking area status of the first parking area and a second parking area sensing camera configured to monitor a second parking area and generate a parking area status of the second parking area. The first parking area sensing camera is configured to display the parking area status of the second parking area.
Abstract: A surveillance system includes a ring-shaped track, a first support frame, at least one first roller, at least one second roller and a lens module. The ring-shaped track has an outside flanged portion and an inside flanged portion. The at least one first roller is disposed on the first support frame and leans against the outside flanged portion. The at least one second roller is disposed on the first support frame and leans against the inside flanged portion, such that the ring-shaped track is sandwiched in between the at least one first roller and the at least one second roller. The lens module is disposed on the first support frame.
Abstract: An image stitching method is applied to a camera system with an image stitching function, so as to combine monitoring images captured from different view angles. The camera system includes two image capturing units respectively having a first coordinate system and a second coordinate system, and monitoring regions of the two image capturing units are adjacent and include an overlapped monitoring region.
Abstract: A camera device includes a supporter, a plurality of camera units, a cover and a lens driving mechanism. The camera units are movably disposed on the supporter. The cover covers the supporter and the camera units. The lens driving mechanism includes a base, a pivoting component and a fixer. The base is disposed on the supporter. The pivoting component is disposed on the base. The fixer has a top surface and two supporting surfaces connected with each other. The supporting surfaces are used to support the camera units. The fixer includes a connective block disposed on a side of the supporting surface opposite to the top surface. The pivoting component is rotatably assembled with the connective block, so the fixer can rotate relative to the base and the camera units can be moved synchronously.
Abstract: An image capturing device with high image sensing coverage rate is applied by a related image capturing method. The image capturing device includes a base, an image sensing unit and an optical lens component. The image sensing unit is disposed on a lateral surface of the base, and has a sensing region. The optical lens component is overlapped with the image sensing unit, and has an imagery circle. A central optical axle of the imagery circle does not align with a central point of the sensing region; wherein the image capturing device captures an image via the optical lens component and the imaging sensing unit.