667 results about "Multiple pass" patented technology

Method, system, and computer program product for implementing derivative operators at an interactive rate in computer graphics systems. In an embodiment, a data structure representing the operation of one or more computer program statements is received by a compiler and transformed into a tree data structure. Nodes of the tree data structure that determine derivative information are marked, and a transform rule is applied to the marked nodes to transform the tree data structure into a data structure that can be implemented with graphics hardware interface program statements. In one embodiment of the invention, the compiler transforms shading language statements into graphics application programming interface statements that can be implemented with multiple passes through a graphics pipeline. It is a feature of the present invention that it can be implemented on a wide range of computer graphics systems.

A system and method are provided for accelerating graphics processing utilizing multiple-pass rendering. Initially, geometry operations are performed on graphics data, and the graphics data is stored in memory. During a first rendering pass, various operations take place. For example, the graphics data is read from the memory, and the graphics data is rasterized. Moreover, first z-culling operations are performed utilizing the graphics data. Such first z-culling operations maintain a first occlusion image. During a second rendering pass, the graphics data is read from memory. Still yet, the graphics data is rasterized and second z-culling operations are performed utilizing the graphics data and the first occlusion image. Moreover, visibility operations are performed utilizing the graphics data and a second occlusion image. Raster-processor operations are also performed utilizing the graphics data, during the second rendering pass.

A multiple-pass synthesis technique improves the performance of a design. In a specific embodiment, synthesis is performed in two or more passes. In a first pass, a first synthesis is performed, and in a second or subsequent pass, a second synthesis or resynthesis is performed. During the first synthesis, the logic will be mapped to for example, the logic structures (e.g., logic elements, LUTs, synthesis gates) of the target technology such as a programmable logic device. Alternatively a netlist may be provided from a third party. Before the second synthesis, a fast or abbreviated fit may be performed of the netlist to a specific device (e.g., specific programmable logic device product). Before the second synthesis, the netlist obtained from the first synthesis (or provided by a third party) is unmapped and then the second synthesis is performed. Since a partial fit is performed, the second synthesis has more visibility and optimize the logic better than by using a single synthesis pass. After the second synthesis pass, a more detailed fit is performed.

Multiple passes of the loop of program verify and programming steps are performed for minimizing the effects of FG—FG coupling during programming a flash memory device. In one embodiment of the present invention, for programming a group of at least one flash memory cell of an array, a first pass of program verify and programming steps is performed until each flash memory cell of the group attains a threshold voltage that is at least X % of a program verify level but less than the program verify level. Then, a second pass of program verify and programming steps are performed until each flash memory cell of the group attains substantially the program verify level for the threshold voltage.

Systems and methods for providing multiple pass continuous flow dialysis therapy are provided. The present invention includes a fluid circuit connected to a patient via a catheter thereby defining a fluid loop along which a therapy fluid including a dialysate can be continuously circulated into, through and out of a peritoneal cavity of a patient to remove a therapeutically effective amount of excess water and solutes including uremic toxins. The feed rate and discharge rate of therapy fluid into the fluid loop can be controllably regulated in proportion to the circulation rate of fluid in the fluid loop such that the therapy fluid can pass a multiple number of times along the fluid loop prior to discharge.

A method for compiling a mapping between a source schema and a target schema is provided. The method comprises multiple passes, including determining source node dependencies, matching hierarchy, and generating code. The method may further comprise initializing node dependency memory prior to determining source node dependencies, and freeing node dependency memory after code generation. The compiler algorithm provides for compiling user-defined functions in the mapping into the compiled representation. Another aspect of the invention provides for generating an XSL code representation of the mapping. An XSL style sheet representation may thus be generated from a visual mapping in accordance with the invention.

A system and method for optimizing the performance of a graphics processing unit (GPU) for processing and execution of general matrix operations such that the operations are accelerated and optimized. The system and method describes the layouts of operands and results in graphics memory, as well as partitioning the processes into a sequence of passes through a macro step. Specifically, operands are placed in memory in a pattern, results are written into memory in a pattern appropriate for use as operands in a later pass, data sets are partitioned to insure that each pass fits into fixed sized memory, and the execution model incorporates generally reusable macro steps for use in multiple passes. These features enable greater efficiency and speed in processing and executing general matrix operations.

The present invention provides a heat dissipating housing for electronic circuits and associated components, wherein the housing includes a top, two side panels, and a bottom to form a cavity or chamber for installing therein electronic circuit boards and the like. A first end panel and a second end panel, which are attached to opposite ends of the housing, complete the housing enclosure. For superior heat dissipation efficiency, a fan or other air moving device is attached to the housing to move air through the housing. The housing structure and the electronic components positioned therein are configured so as to direct the cooling air in multiple passes through the housing in a serpentine manner before exiting the housing. The multiple pass feature of the present invention provides superior cooling for the electronic components installed inside the housing.

An apparatus and method for recording an image on the surface of a 3D object uses a laser projector that scans a light beam over the surface in an image pattern. The projector operates in a template imaging mode and an image recording mode where the beam scans at a speed that in a single pass/scan mode is typically four to five orders of magnitude slower than in the template imaging mode. A layer of a photosensitive material is applied to the surface of the object either partially or fully. Projection in the template imaging mode can guide the applying. The layer is substantially insensitive to ambient light for at least a period of time necessary to perform a desired processing step on the object. The layer has a maximum spectral sensitivity in the vicinity of the wavelength of the laser light beam. In one or multiple passes of the beam over the image pattern operating in the image record mode, the accumulated light energy dose density is sufficient to react the material and record the image.

The invention discloses a thick plate robot welding system and a multilayer multiple-pass weld real-time tracking and planning method. The thick plate robot welding system comprises a robot, a laser structure optical sensor, a welding system and a control system. The laser structure optical sensor comprises a main system, an optical system, a clamping system and a cooling system. In the welding process, images containing weld groove feature information can be obtained in real time and transmitted to the control system; the control system obtains the groove information from the images and controls the robot to constantly correct the position of a welding gun in the welding system; meanwhile, the control system adjusts a weld pass track and welding parameters so that multilayer multiple-pass real-time planning can be achieved, and labor efficiency and production quality can be improved.

An electronic design automation system provides optimization of RTL models of electronic designs, to produce detailed constraints and data precisely defining the requirements for the back-end flows leading to design fabrication. The system takes a RTL model of an electronic design and maps it into an efficient, high level hierarchical representation of the hardware implementation of the design. Automatic partitioning partitions the hardware representation into functional partitions, and creates a fully characterized performance envelope for a range of feasible implementations for each of the partitions, using accurate placement based wire load models. Chip-level optimization selects and refines physical implementations of the partitions to produce compacted, globally routed floorplans. Chip-level optimization iteratively invokes re-partitioning passes to refine the partitions and to recompute the feasible implementations. In this fashion, a multiple-pass process converges on an optimal selection of physical implementations for all partitions for the entire chip that meet minimum timing requirements and other design goals. The system outputs specific control and data files which thoroughly define the implementation details of the design through the entire back-end flow process, thereby guaranteeing that the fabricated design meets all design goals without costly and time consuming design iterations.

A multiple pass location processing method, for use in a wireless location system (WLS), comprises identifying a received transmission as requiring multiple pass location processing whereby the WLS produces a first, lower quality location estimate and then subsequently produces a second, higher quality location estimate. The WLS then produces the first location estimate and provides it to a first location application, and then produces the second location estimate. The second location estimate may be a more accurate estimate than the first location estimate and/or of a higher confidence than the first location estimate. This method is suitable, but not limited, for use in connection with locating a wireless transmitter involved in an emergency services call and routing the call to a call center.

A system and method for developing and enabling model-driven extensible Markup Language (XML) transformation to XML Metadata Interchange (XMI) format incorporate a strong built-in validation capability. A platform independent framework applies multiple passes of transformation, where each pass performs specific operations on internal models. Different source models are then merged into a target model.

A time-reversal imaging radar system for acquiring an image of a remote target includes an antenna array having a plurality of spaced-apart antennas, and a transceiver coupled to the antenna array for alternately transmitting a radar signal via the antenna array toward the target and for receiving target-reflected radar signals. The transceiver includes means for multiple-pass time-reversing the transmitted and received radar signals whereby coherent beam focusing is realized at both the target and at the receiver to thereby enhance the resolution of the acquired target image.

A digital image processing method for multiple passes diagnostic alignment of in vivo images, comprising the steps of: acquiring images using an in vivo video camera system; forming an in vivo video camera system examination bundlette; transmitting the examination bundlette to proximal in vitro computing device(s); processing the transmitted examination bundlette; automatically identifying abnormalities in the transmitted examination bundlette; and setting off alarm signals to a local site provided that suspected abnormalities have been identified for each pass forming a registration bundle; selecting identification elements of an image from the registration bundle of one pass; and retrieving corresponding images from another pass.

Disclosed is a nervous tissue engineering tubular supporting stand and method for making same, wherein the nervous tissue engineering tubular supporting stand comprises a chitosan pipe wall and biological source filling base material with axial multiple passages, and the method consists of preparing semipermeable chitosan hollow pipe with 1-5mm of inside diameter, pouring large biological molecule solvent such as chitosan, collagen or gelatine, and utilizing special-purpose die arrangement and lyophilization technology. The obtained multiple-pass nerve channel with bionic construction is beneficial for cell adhesion, migration and leading of neuraxon directional growth, and suitable of the renovation and regeneration of nerve damages.