233results about How to "Lower frame rate" patented technology

A system for the production of a dynamic image for use in holography includes a light source (16) which travels via a liquid crystal modulator (18) placed in the path of the light source (16). The output of the LC modulator (18) passes modulated light through a lens array (22) which itself guides light to an optically addressed spatial light modulator (24). The resulting real image from the optically addressed spatial light modulator (24) may be used in holography. The addressing frame-rate of the liquid crystal modulator (18) is substantially greater than the frame-rate of the optically addressed spatial light modulator (24).

A navigation device displays a route superimposed on a road map, together with one or more symbols each indicating a location for which audio or visual traffic information exists, each symbol being selectable to play back the audio or visual information. Visual traffic information can be from a fixed traffic camera; a driver can hence rapidly view a video feed or still image from a traffic camera to allow him to assess the traffic conditions.

In an automobile drive recorder, if a detection signal indicating an occurrence of an abnormal driving state is output by an abnormal state detection sensor, image data of a scene taken by a monitoring camera is recorded for a period with a particular length together with additional information associated with the driving state into a record memory as drive record data. The automobile drive recorder includes a magnetic sensor serving as the abnormal state detection sensor adapted to detect a magnetic field in a close region around the automobile, approaching vehicle detection means for detecting an abnormally approaching vehicle by detecting a change at a rate greater than a predetermined value in the signal level of the detection signal output by the magnetic sensor, and frame rate switching means for controlling the frame rate at which to record the image data.

A radiation image pickup apparatus which selectively executes a first reading operation driving a detection unit irradiated with the radiation to read a first signal value, a second reading operation driving the detection unit without being irradiated with any radiations before the first reading operation to read a second signal value, and a third reading operation driving the detection unit without being irradiated with any radiations after the first reading operation to read a third signal value, and subtracts a signal value produced by the processing of the second signal value and the third signal value from the first signal value, thereby reducing an offset component and random noises without lowering a frame rate and its control method are provided.

A vehicle event recorder is provided that includes a camera for capturing a video as discrete image frames, and that further includes a managed loop memory and a management system for generating a virtual ‘timeline dilation’ effect. To overcome size limits in the buffer memory of the video event recorder, the maximum time extension of a video series is increased by enabling a reduction in temporal resolution in exchange for an increase in the temporal extension. Memory cells are overwritten in an ‘interleaved’ fashion to produce a reduced frame rate for the recording of certain time periods connected to an event moment. In time periods furthest from the event moment, the resulting frame rate is minimized while in time periods closest to the event moment, the resulting frame rate is maximized.

A power-saving method for an optical navigation device is proposed, wherein the image capture frame rate of a sensor is controlled according to the moving speed of the optical navigation device. The image capture frame rate is determined based on the variations of a horizontal displacement and a vertical displacement of the optical navigation device for saving power. Moreover, when the optical navigation device is in the sleeping mode, it is not necessary to generate a current to drive the sensor to monitor whether the optical navigation device moves or not. A displacement detector (e.g., a mechanical displacement trigger) is used instead to generate a current for breaking off the sleeping mode to accomplish the power-saving object.

The present invention provides techniques for digital video distribution that provides for joint video content watching amongst a group of watchers using multiple mini browsing windows (MBWs), such that the watchers can simultaneously interact with each other in a video conferencing-like setting (i.e., seeing selected watchers' videos in MBWs and hearing their voices) while they view together specific video content in a synchronized way. The MBWs can be displayed as overlays on the main video window being watched on full screen.

Apparatus for capturing images while in motion, including at least one CCD camera housed within an aircraft traveling along a flight path, for capturing aerial images of ground terrain, a motor for rotating an axis on which the at least one CCD camera is mounted, and for generating a sweeping back-and-forth motion for a field of view of the at least one CCD camera, the sweeping motion being transverse to the aircraft flight path, and an optical assembly connected to said at least one CCD camera.

A calculation system is constituted by: one light source apparatus configured to irradiate illuminating light; a wavelength selection unit configured to select light of at least two specific wavelength regions included in the illuminating light; an image sensor configured to receive light from biological tissue, which is a subject, and output pixel signals corresponding to the received light; and a signal processing unit configured to perform predetermined signal processing on the pixel signals output from the image sensor. In this configuration, the signal processing unit calculates an index indicating a concentration of a predetermined biological substance included in the biological tissue, based on the pixel signals output from the image sensor according to the light of the at least two specific wavelength regions.

A method and system for providing content aware media adaptation are described. Aspects of the invention adaptively down-sample a source video to optimize the encoding process of the source video. The system and method extract content characteristics from the source video by sampling the source video, and then classify the video into one or more content classes based on the extracted characteristics. The content class of the video is used to determine one or more down-sampling settings for the source video. In some aspects, the down-sampling settings are derived by sampling a plurality of videos and determining optimal transitional rates for the plurality of videos. The sampled videos may be used to generate a decision boundary to classify whether a particular video is a good candidate for spatial down-sampling.

A novel method and apparatus for controlling the display of a portable electronic device having a user input device and a camera function; the portable electronic device including a photosensor chip having a sensor array of a predetermined number of rows and columns of pixels for converting radiant energy into electronic signals representing an image for display via a viewfinder.; The method comprises selecting via the user input a zoom level and viewfinder resolution for the camera application, and in the event the zoom level is 1x then scaling the predetermined number of rows and columns of pixels to the selected viewfinder resolution and generating an image corresponding thereto; and in the event the zoom level is greater than 1x then cropping a region of interest of the predetermined number of rows and columns of pixels in accordance with the zoom level and then scaling the cropped region of interest in accordance with the viewfinder resolution and generating an image corresponding thereto.

An exposure control unit 15 controls a charge accumulation time for a CMOS sensor 10. The CMOS sensor 10 captures an image P1 with a charge accumulation time T1 and an image P2 with a charge accumulation time T2. The charge accumulation time T1 does not cause a flicker in an image under a light source blinking at a first blink cycle. The charge accumulation time T2 is different from the charge accumulation time T1. A difference image generation unit 17 generates a difference image DP that emphasizes to show a difference in luminance of the images P1 and P2. A flicker detection unit 18 detects a flicker occurrence in the image P2 based on a difference in luminance between P1 and P2 appearing in the difference image DP.

The control inputs of reset switch elements 41 to 45 are commonly connected to a row reset line 51. In a line black clamp type, cathodes as reset ends of photodiodes (31) of optical black pixels 21 to 23 are commonly connected to a potential averaging line 30. In a frame black clamp type, potential averaging lines are connected similarly to respective pixel rows on the vertical scanning start side of an optical black pixel region, and the potential averaging lines may be commonly connected to each other to operate just like one pixel row. A first block includes a pixel array and a vertical scanning circuit, while a second block includes sample and hold circuits, a horizontal scanning circuit, an amplifier and an A / D converter 19. In a low power consumption mode, power supply to the second block is ceased in a light integration period of one frame with performing light integration in the pixel array, power supply to the first and second blocks is performed in a read-out period of one frame to read out integrated signals, and power supply to the first and second blocks is ceased in a power-off period of one frame.

A bar code reading device having an image sensor including a plurality of pixels can be operated to capture a parameter determination frame of image data, wherein the parameter determination frame of image data includes image data corresponding to light incident at less than all of the pixels of the image sensor. A bar code reading device can also be operated in an image capture operating mode in which a partial frame of image data is captured, wherein the partial frame of image data includes image data corresponding to light incident at less all of the pixels of the image sensor, and wherein image data of the partial frame can be processed in order to attempt to decode a bar code symbol.

A lidar imager for acquiring a range image of a scene comprises a light source for emitting a light beam, a scanning device for scanning the light beam across the scene and a light sensor for receiving light reflected from the scene. The scanning device comprises a spatial light modulator (SLM) configured to display holograms that deflect the light beam into different directions within the scene to be imaged.

The invention relates to the field of automatic focusing, in particular to a method for realizing automatic focusing by acquiring depth information through an RGB-IP depth camera and a camera system. The method comprises the following steps: S1, projecting an encoded infrared structure light pattern to a target space by using a projection module; S2, acquiring an RGB image of a target area by using an RGB-IR camera; S3, acquiring a focusing area needing to be focused in the RGB image; S4, capturing a depth extraction area only including the focusing area at a corresponding position of the acquired image by the depth camera according to the focusing area, only acquiring a structure light infrared image of the depth extraction area by using the RGB-IR camera, and calculating depth information of the focusing area according to the depth extraction area; and S5, automatically focusing through the RGB-IR camera according to the depth information. Through adoption of the automatic focusing method and system, any position in the target space can be automatically focused rapidly at high accuracy.

A method of storing digital video is provided where an original video clip is selected, according to selection criteria, from video clips stored on a digital storage medium. The frame rate associated with the selected video clip is lowered and a downgraded version of the original video clip is written to a digital storage medium at the lowered frame rate. The original video clip may then be overwritten or erased to thereby reduce the storage space requirements for the downgraded video clip by approximately the percentage reduction in downgraded frame rate.

An occlusion culling method for image processing and system therefor. The culling method first determines which polygons are hidden, or occluded, by other objects. These hidden or occluded polygons will not contribute to the final scene and, therefore, need not be rendered. In the first major step, the input models are preprocessed to build a hierarchical data structure which is as an approximation to the input models. Simple polygonal occluders are determined for substitution in place of the complex image geometry in successive visibility queries. Once the first preprocessing step is complete, the second step may be executed at run-time, while a user is inspecting, or visualizing, the input. In the second step, the occluders, determined in the first step, are used to selectively forego rendering shapes or shape portions that are unseen from the current viewpoint.

A radiation image pickup apparatus which selectively executes a first reading operation driving a detection unit irradiated with the radiation to read a first signal value, a second reading operation driving the detection unit without being irradiated with any radiations before the first reading operation to read a second signal value, and a third reading operation driving the detection unit without being irradiated with any radiations after the first reading operation to read a third signal value, and subtracts a signal value produced by the processing of the second signal value and the third signal value from the first signal value, thereby reducing an offset component and random noises without lowering a frame rate and its control method are provided.

To provide an image sensing apparatus and the like comprising: imaging means; image reducing means for reducing an image size from imaging data obtained from the imaging means; moving image configuring means for rendering an image reduced by the image reducing means as a moving image; image processing means for image-processing image data; network communication means; and image data storing means for storing frame image data obtained from the imaging means in response to a control instruction from outside while taking a moving image, and wherein: the image data stored in the image data storing means is image-processed by dividing it into non-operating periods of moving image processing per frame configuring the moving image. And to allow parallel processing of a moving image and a still image without lowering a frame rate of the moving image.

Embodiments of the present invention are directed to provide novel methods and a system for adaptive resolution rendering via scaling in a multiple graphics processor system. A method is described herein that maintains a constant framerate by reducing the resolution of the graphical output rendered in one graphics processor and using another graphics processor in the same computing system to scale the already-rendered output to its original intended resolution when the framerate drops below a desired threshold.

A surveillance system having auto-adjustment functionality is described. The surveillance system includes a motion detection module and a video processing module. The motion detection module detects real-time video data and determines whether the video data is in a motion status. When the real-time video data is in the motion status, the video processing module records the real-time video data into a storage medium with a first resolution. When the real-time video data is not in the motion status, the video processing module records the real-time video data into the storage medium with a second resolution.

There is provided a set top box and corresponding methods for enabling a channel change in a Digital Subscriber Line (DSL) system. The set top box includes a channel change processing unit for sending a join request for both a normal stream and channel change stream upon receiving a channel change request.

A moving image generating apparatus comprises: an obtaining device which obtains a series of image data in which high-resolution first image data obtained at a predetermined frame rate and low-resolution second image data obtained at times that are different from the times of the obtainment of the first image data are arranged in a given order; a characteristic point extracting device which extracts characteristic points in the first image data; a corresponding point detecting device which detects corresponding points in the second image data, the corresponding points corresponding to characteristic points in first image data obtained immediately before the second image data; and a generating device which generates high-resolution image data having a content that is the same as that of the second image data by modifying the first image data based on the relationship between the characteristic points extracted by the characteristic point extracting device and the corresponding points detected by the corresponding point detecting device.

An imaging system including a frame rate setter and an exposure evaluator. The frame rate setter sets a frame rate used in a focusing operation. The frame rate is set faster than a normal frame rate. The exposure evaluator evaluates the exposure of a focusing image based on pixel signals read out from a focusing image area at the frame rate. The frame rate is reduced when the exposure is evaluated as an underexposure and the focusing operation is carried out at a reduced frame rate.

A liquid crystal display device of reducing power consumption includes a liquid crystal panel having a plurality of liquid crystal capacitors for displaying an image, an input interface for generating a scan control signal, an oscillator for generating a predetermined frequency, a control unit electrically coupled to the oscillator for outputting a current control signal when a frequency of the scan control signal is lower than the predetermined frequency, and a driving circuit electrically coupled to the controller for generating a first bias current to charge the plurality of liquid crystal capacitors of the liquid crystal panel.

The invention discloses a method for automatically regulating the Camera frame rate of a mobile terminal and the mobile terminal. The method comprises the following steps: setting a first threshold and a second threshold, comparing a current frame image and an adjacent previous frame image, acquiring a pixel difference quantity, recording the pixel difference quantity, judging whether the pixel difference quantity between any two adjacent images in a time interval before current time is smaller than the first threshold or not when the pixel difference quantity is smaller than the first threshold, and if so, setting the frame rate of a Camera output image as a first frame rate; and when the pixel difference quantity is greater than the second threshold, setting the frame rate of the Camera output image as a second frame rate. According to the mobile terminal disclosed by the invention, a Camera is in a static state if the pixel difference quantity within a certain time interval is smaller than the first threshold, and the frame rate of the Camera output image is set as the first frame rate, so that energy is saved for the mobile terminal. If the pixel difference quantity is greater than the second threshold, the Camera is in a shooting state, and the frame rate of the Camera output image is set as the second frame rate, so that the frame rate of the output image is reduced, and energy is saved for the mobile terminal.

A system for measuring at least one parameter of moving cable, the system including a system power source, a digital camera adjacent a moving cable for taking digital images of the cable as the cable moves past the digital camera, the digital camera producing signals corresponding to the digital images, a signal processor for receiving the signals from the digital camera and for processing the images to produce processed image data, the signal processor for calculating measurements of the at least one parameter of the cable based on the processed image data, the system power source for powering systems devices, e.g., the digital camera and / or the signal processor. This abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b).