88 results about "Adaptive resolution" patented technology

The present invention provides a method and system for positioning an object with adaptive resolution. The method comprises: dividing a space to be detected into Hot Area and General Area; arranging, according to the positions of Hot Area and General Area, high-resolution positioning signal (US) transceivers and low-resolution positioning signal (RF) transceivers, wherein the detection scope of the low-resolution positioning signal transceivers covers the space and the detection scope of the high-resolution positioning signal transceivers covers the Hot Area; and when the object moving in the space, fusing the detection results from the high-resolution positioning signal transceivers and the low-resolution positioning signal transceivers to determine the position of the object with adaptive resolution. With the system of the present invention, for different areas, the object can be positioned with different positioning resolutions (precisions or granularities). Also, since it is not necessary to use a great deal of high-precision positioning devices, the system cost can be reduced considerably.

A system and method provide a video coding system for adaptively transcoding videos based on video coding complexity (VCC). A VCC engine of the system is configured to generate a measure of how difficult to encode a source video based on a trained VCC model. A video rate-distortion modeling engine of the system is configured to estimate a rate-distortion model and a scaling model. The VCC model, rate-distortion model and the scaling model are trained on a video corpus of the system. The trained VCC model, rate-distortion model and the scaling model are used by an adaptive bitrate transcoding sub-system to transcode a source video with an optimized bitrate and visual quality. The trained VCC model, rate-distortion model and the scaling model are further used by an adaptive resolution transcoding sub-system to transcode a source video with an optimized resolution and visual quality.

A system and method estimates video coding complexity of a source video for adaptively transcoding the source video. A video coding complexity engine of the system is configured to receive the source video in its native format and to encode the source video into an intermediate video format. The video coding complexity engine computes a video coding complexity score for the source video. The coding complexity score can be used by an adaptive bitrate transcoding sub-system and / or an adaptive resolution transcoding sub-system for transcoding the source video.

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 method for developing the graphic interface of application program includes such steps as determining relative object description file and resource description file according to created window, reading relative graphics to memory, calculating the current state of object, invoking relative graphics, and displaying it at appointed position.

A system and method for detecting defects on an object including forming an image representing the object from signals relating to the object, constructing subdivisions of the image according to auto-adaptive resolutions, and calculating differentials between various subdivisions in order to detect an abnormal subdivision indicating incipient failure.

An adaptive resolution transcoding system and method adaptively transcodes a source video with an optimized resolution and visual quality based on the video coding complexity (VCC) of the source video. The transcoding system is configured to receive a source video in its native format, and to obtain the video coding complexity score of the source video from a video coding complexity engine. The transcoding system is further configured to set a resolution adjustment level based on the complexity score. Based on the resolution adjustment level, the transcoding system determines an optimal output resolution for the source video for each video output format supported by the transcoding system. Responsive to a user selection of video output format, the transcoding system determines an optimal output resolution for the source video and encodes the source video with the determined optimal output resolution.

The invention discloses a method and device for adaptive-resolution display of images. The method comprises the steps of selecting target images, wherein the target images comprise images with file sizes which reach a preset threshold in a current application specific resource packet; obtaining a first image set from a current application self-contained resource packet; generating a second image set according to the first image set; and selecting and displaying the images with the largest file size in the second image set. The method has the advantages that the pictures which are suitable for the resolution of the current screen can be conveniently and rapidly selected out from the resource packet with multiple resolutions, the method is simple to realize and the universality is high.

The invention provides a method and a system for positioning a target by adaptive resolution. The method comprises the following steps of: dividing a detected space into a key area and a common area; arranging a plurality of high-precision positioning signal (US) transceivers for high-precision positioning and a plurality of low-precision positioning signal (RF) transceivers for low-precision positioning according to the key area and the common area, wherein the detecting range of the low-precision positioning signal transceivers covers the detected space and the detecting range of the high-precision positioning signal transceivers only covers the key area; and determining the position of the target by integrating detecting results of the high-precision positioning signal transceivers and the low-precision positioning signal transceivers on the target by the adaptive resolution when the target moves in the detected space. By using the system, the target can be positioned according to different positioning resolutions (precision or granularity) in different areas and the cost of the system can be greatly reduced since plenty of high-precision positioning equipment is free from being used.

The invention discloses a method for planning the target and cooperation disassembly of a complex product supporting green design, which comprises the following steps: for the characteristics of detachable design in the green design, extracting assembly semantic constraints and disassembly priority constriction information between product components to construct a multi-constraint disassembly information model; performing matrix quantization on the information model, decomposing the information model into a plurality of single-constraint matrixes and inducing detachability constraint conditions; taking a disassembled component as a driving point to obtain a target disassembly sequence through two-way driving; and for the requirement that the large-scale complex product needs parallel disassembly, putting forwards a cooperation display planning problem and an adaptive resolution method. Through the method, the target and cooperation disassembly sequence of the complex product can be quickly obtained and the problem that 'combination explosion' is easy to occur in the conventional method is solved. The cooperation disassembly planning problem and the adaptive resolution method put forwards in the invention overcome the defect that the prior method is only applied to single-operator disassembly and realize the adaptive adjustment in a disassembly planning process.

A method includes receiving a bit stream; determining, using the bit stream, whether an adaptive resolution management mode is enabled; determining, using the bit stream, a scaling factor including a vertical scaling constant component and a horizontal scaling constant component; and reconstructing pixel data of a current block in adaptive resolution management mode and using the determined scaling factor, the reconstructing including scaling the current block horizontally by the horizontal scaling constant component and scaling the current block vertically by the vertical scaling constant component. Related apparatus, systems, techniques and articles are also described.

A method, device, and apparatus for determining optical flow from a plurality of images is described and includes receiving a first image frame from a first plurality of images, where the first plurality of images have a first resolution and a first frame rate. A second image frame may be received from a second plurality of images, where the second plurality of images have a second resolution less than the first resolution and a second frame rate greater than the first frame rate. A first optical flow may be computed from the first image frame to the second image frame. Additionally, the based at least in part on the first optical flow from the first image frame to the second image frame, a third image frame may be output as part of an output stream. The output stream may have a frame rate greater than or equal to the first frame rate, where the third image frame has a resolution greater than or equal to the second resolution.

The invention discloses a dynamic obstacle avoidance path planning and calculation method for an unmanned motorcycle. The method comprises following steps: establishing an equilibrium kinetics model and a kinematic model of the unmanned motorcycle; acquiring a passage for connecting an initial node and a target node on a grid map with an A* algorithm of adaptive resolution; acquiring real-time control quantity with a cone-based dynamic obstacle avoidance algorithm through combination of the equilibrium kinetics model and the kinematic model to avoid obstacles. With the adoption of a low-precision map in the method, the environment is shown in a multi-level manner, operating time of the algorithm is greatly shortened, the demand for real-time capability in path planning is met, besides, sensitivity to the obstacles is modulated to be stable with the cone-based local planning mode, and crossing of multiple obstacles is facilitated.

The present invention discloses a display object adaptive resolution display method and system. The method comprises: setting a preset screen pixel density and a preset resolution; acquiring a preset display size of a display object under the conditions of the preset screen pixel density and the preset resolution; acquiring a target screen display pixel density and a target resolution of a target display apparatus; comparing the target resolution with the preset resolution to obtain a first ratio; comparing the target screen pixel density with the preset screen pixel density to obtain a second ratio; calculating a weighted sum of the first ratio and the second ratio to obtain a third ratio; and calculating a target display size according to the preset display size and the third ratio, and displaying the display object in the target display size on the target display apparatus. According to the method provided by the present invention, the display object can be displayed on the target display apparatus with best display effects, and user experience effect is improved.

The invention provides a self-adaptive resolution ratio implementing method based on a CMOS image sensor. Firstly, whether a dynamic target exists in an image output by the CMOS image sensor is judged based on an image processing technology. When the dynamic target exists in a view field, the resolution ratio of the CMOS image sensor is adjusted to be the best according to image reorganization requirements; when no dynamic target exists in the view field, the resolution ratio of the CMOS image sensor is automatically reduced. According to the self-adaptive resolution ratio implementing method, through self-adaptively controlling the resolution ratio of the CMOS image sensor, redundant image information is reduced as much as possible, and use efficiency of the memory space of a hard disk is improved. Meanwhile, on the premise of meeting target reorganization, the resolution ratio of the image output by the sensor is self-adaptively reduced, and thereby a speed for recognizing the target is improved.

The invention discloses a laser SLAM adaptive resolution raster map construction method, and the method comprises the following steps: initially customizing the sizes of high, medium and low resolutions, respectively setting the three resolutions as Rh, Rm and R1, and customizing parameters A, B and N; collecting laser radar point cloud information; detecting a straight line segment and an arc line segment in the point cloud information; counting the total number C1 of the detected straight line segments and arc line segments and the number C2 of point clouds which are not included in the straight line segments and arc line segments; automatically setting a map resolution R* according to the values of C1 and C2, and adjusting according to the point cloud distance information to obtain themap resolution R; and updating maps. According to the method, the precision of partial regions of the map can be higher, the occupied resources are few, and the method can be better used in a large-scale scene.

The invention discloses a collaborative defense strategy conflict resolution method and system in the technical field of electric power engineering, and aims to solve the problems that a conflict resolution method based on priority is poor in flexibility and a conflict resolution method based on a combination algorithm cannot effectively solve strategy conflicts inherent in strategies and caused by improper strategy making in the prior art. The method comprises the following steps of establishing a security policy general conflict resolution method table according to security policy prioritiesand a security policy hidden relation table, and conducting feature extraction on security policy conflict information of the defense; matching the extracted features with a defense security policy general conflict resolution method table; and according to a matching result, extracting an adaptive resolution rule in the collaborative defense security policy general conflict resolution method table to perform conflict resolution.

A method and apparatus for a video coding system with the current picture referencing (CPR) mode enabled are disclosed. According to one method, if one reference picture index for the current block points to the current image, the affine motion compensation is inferred as Off for the current block without a need for signalling or parsing an affine mode syntax or the adaptive MV resolution is inferred as On for the current block without a need for signalling or parsing an adaptive motion vector resolution syntax. In another method, if the affine mode is used for the current block or if the adaptive MV resolution is not used for the current block, a reference picture index for the current block is signalled or parsed and the reference picture index always points to one reference picture other than the current image.

The invention relates to a method for realizing adaptive resolution and a visualization system thereof. The method comprises the steps that a pre-constructed visualization system is directly connectedwith a large-screen splicing wall, primitives on an interface of the visualization system are rearranged according to the fed-back large-screen resolution, the primitives are matched with the resolution of the large-screen splicing wall, and it is guaranteed that an image output by the visualization system is clearly visible when being displayed on the large-screen splicing wall. The problem thatsignals generated by an existing splicing controller are not synchronous is solved, and self-adaption of the visualization system to resolution change of the large-screen splicing wall is achieved.

The invention relates to a minimalistic pair of AR glasses having very high resolution, any field of view, total transparency, continuously variable object focal length, minimal eye lights and a projector unit behind the ear without any socially harmful indications of technology around the user's face. An integral image grid is constructed in a rimless pair of glasses, wherein, using multimode glass fiber projectors and MEMS switch rods the individual images are delivered directly before the eye by means of gradient-index camouflaged-optical-unit tubes, preferably by means of a combination of multimode glass fiber projectors for indiscernibly supplying high-resolution holographic projections, an integral imaging concept for resolution of any level and any field of view, fast SLM DMD chips for huge image-generation throughput, a gradient-index camouflaged optical unit for perfectly concealed hardware in rimless glasses lenses, and an eye-tracking-controlled adaptive resolution controller for producing huge virtual resolutions.

A system and method for detecting defects on an object including forming an image representing the object from signals relating to the object, constructing subdivisions of the image according to auto-adaptive resolutions, and calculating differentials between various subdivisions in order to detect an abnormal subdivision indicating incipient failure.

Encoding and decoding systems disclosed enhance the AV1 / VPX codecs in the context of 8-bit SDR video and 10-bit HDR video content, for applications including streaming and high quality coding for content contribution editing. For SDR content, lapped biorthogonal transforms for near lossless applications and used and optimized resampling filter pairs for adaptive resolution coding in streaming applications are used. For HDR content, a data adaptive grading technique in conjunction with the VP9 / VP10 encoder may be used. The encoding / decoding system provides substantial value in the coding of HDR content, and provides backward compatibility with SDR.

The invention relates to a multifunctional double-tuner set top box. The multifunctional double-tuner set top box comprises a set top box body and adaptive resolution acquisition equipment, wherein the set top box body comprises a square box body, heat radiation holes, a switch button, an alarm button and an integrated circuit board; the heat radiation holes are arranged at the top layer of the square box body and are arranged in multiple rows in parallel; the heat radiation holes are arranged at a back side surface of the square box body; the switch button and the alarm button are arranged ata front side surface of the square box body; and the integrated circuit board is arranged in the square box body and is provided with double tuners and a processing assembly corresponding to the double tuners; the adaptive resolution acquisition equipment is arranged above the square box body and comprises a mode switching unit, a motion detection unit and a plurality of image acquisition units.The multifunctional double-tuner set top box has the advantages that the real-time monitoring function and the user information acquisition function can be both integrated on the set top box.

A resolution conversion apparatus and method. The apparatus includes an image analysis unit analyzing frequency characteristics of an input image signal, a filter coefficient determination unit setting a filter coefficient according to the frequency characteristics, and a noise shaper unit performing noise shaping with respect to an error generated by quantizing the input image signal, according to the filter coefficient. Accordingly, an image can be naturally realized by performing noise shaping according to characteristics of the input image signal.

A method includes receiving a bit stream, determining, for a first frame including a first sub-frame and a second sub-frame, a first scaling constant associated with the first sub-frame, determining a second scaling constant associated with the second sub-frame, and reconstructing pixel data of the first frame using the first scaling constant and the second scaling constant, wherein the first scaling constant and the second scaling constant characterize different values. Related apparatus, systems, techniques and articles are also described.

The invention discloses a method for obtaining adaptive resolutions of splicing processors. The method includes the steps of according to the line pixel value and column pixel value of a spliced LED wall and one or more output resolutions supported by the different splicing processors, carrying out calculation of the specific value and the accumulated value, corresponding detection judgement and other treatment for the splicing processors with different output desktop zooming functions; automatically outputting the optimal output resolutions supported by the different splicing processors for the spliced LED wall with a set specification. The invention also discloses a device for obtaining the adaptive resolutions of the splicing processors. According to the method and device for obtainingthe adaptive resolutions of the splicing processors, for the spliced LED wall with the set specification, the optimal output resolutions supported by the splicing processors in certain types can be obtained quickly, and more convenience is provided for improving the on-site assembly working efficiency and fully exerting the display effect of the spliced LED wall.

An apparatus for resolution of phase ambiguity is disclosed. The apparatus receives a modulated signal and resolves a phase ambiguity of the modulated signal while recovering the modulated signal to original data, wherein the apparatus includes a phase ambiguity detector for receiving demodulated data and frame synchronization information, and detecting a phase ambiguity value from the demodulated data based on a frame synchronization information; a phase ambiguity eliminator for receiving the phase ambiguity value and the demodulated data, and generating a phase ambiguity eliminated data by inverting the phase ambiguity value and multiplying the inverted phase ambiguity value and the demodulated data. The present invention can resolve a phase ambiguity occurred in various modulation modes including a burst mode communication with the same algorithm so it can effectively be implemented to an adaptive MODEM.

The present invention belongs to the scientific computing visualization field and relates to a GPU-based interactive three-dimensional flow field adaptive resolution dynamic visualization algorithm. According to the algorithm, seed points are evenly placed in a view-frustum; a part of seed points which are scattered outside a data range are moved into the data range according to the near plane andfar plane texture of a pre-rendered data body; probability density spheres are generated, and are rendered into probability density bodies, so that the particles can be evenly distributed in motion;and a GPU-accelerated rendering technology is used to generate a streamline, and the Tessellation subdivision surface technology is used to expand the streamline into a pipeline, and therefore, the adaptive resolution dynamic visualization drawing of a three-dimensional flow field can be realized.

The invention discloses a static obstacle avoidance path planning method for an unmanned motorcycle. The method comprises the following steps: building an equilibrium kinetic model and a kinematic model of an unmanned motorcycle; acquiring an access connecting an initial node with a target node on a grid map by using an adaptive resolution A* algorithm; combining the equilibrium kinetic model withthe kinematic model, pruning the access by using an RRT algorithm, and generating a path which can be executed by the unmanned motorcycle. The method disclosed by the invention shows an environment at different levels by adopting a low-precision map, a historical path and historical map pruning technique is adopted, run time of the algorithm is greatly reduced, demand on real time performance inpath planning is realized, and the method can relatively quickly adapt to the environment when the environment changes, so that the method can be expanded to be a dynamic obstacle avoidance algorithm.

The invention provides a self-adaptive resolution livestock video information processing method based on artificial intelligence. The method comprises the following steps: projecting the original image of each subarea on a BIM ground plane after projection transformation and splicing to obtain a panoramic top view of the culture area; and processing the livestock area image through a livestock detection neural network to obtain a livestock key point thermodynamic diagram, projecting the livestock key point thermodynamic diagram on the BIM ground plane after projection transformation and splicing to obtain a livestock movement amount and a livestock key point overlay diagram after certain post-processing, and adjusting the resolution of images shot by each camera according to the livestockmovement amount. Information in the BIM is visualized through the WebGIS and an information exchange module, real-time monitoring of the livestock movement condition of the whole livestock raising area is achieved, and livestock individuals with abnormal movement amount can be further observed and analyzed.