Abstract: The present technology relates to systems, methods and devices for haptically-enabled virtual reality simulation of cerebral aneurysm clipping, wherein a user uses two physical stations during the simulation. The first station is a haptic and augmented reality station, and the second station is a haptic and virtual reality station.

Abstract: The present invention discloses a hydraulically-driven double-acting mud pump, comprising power motors, pressure oil pumps, a three-position four-way hydraulically-actuated directional valve, a hydraulic power end and a mud pump head, the power motors being connected to the pressure oil pumps in a conventional way, the pressure oil pumps being communicated with a port P of the three-position four-way hydraulically-actuated directional valve via a pipeline, a port T of the three-position four-way hydraulically-actuated directional valve being communicated with an oil tank via a pipeline, a port A and a port B of the three-position four-way hydraulically-actuated directional valve being both connected to the hydraulic power end, the hydraulic power end being connected to the mud pump head in a conventional way, a lower end of the mud pump head being communicated with a low-pressure manifold and two sides of the mud pump head being communicated with a high-pressure manifold.

Abstract: The present invention discloses a hydraulic double-acting fracturing pump skid, comprising a skid chassis, power motors, oil pumps, a hydraulic power end and fluid ends; the power motors and the oil pumps are arranged at two ends of the skid chassis, the hydraulic power end is arranged in the middle of the skid chassis, and the fluid ends are arranged on two sides of the hydraulic power end; the power motors are connected to the oil pumps via a transmission mechanism, the oil pumps are communicated with the hydraulic power end via a three-position four-way directional valve and can drive the hydraulic power end to operate, the hydraulic power end is connected to the hydraulic power in a transmission way, and a lower end of the fluid ends is communicated with a low-pressure manifold and two sides of the fluid ends are respectively communicated with a high-pressure manifold.

Abstract: Embodiments of the present disclosure provide for contrast agents, methods of making contrast agents, and methods of using contrast agents, and the like.

Abstract: A method for extracting a characteristic of a three-dimensional face image includes: performing face area division, to obtain a group of face areas; projecting each face area onto a corresponding regional bounding sphere; obtaining an indication of the corresponding face area according to the regional bounding sphere, and recording the indication as a regional bounding spherical descriptor of the face area; calculating a weight of the regional bounding spherical descriptor of the face area for each face area; and obtaining a characteristic of a three-dimensional face image according to the indication of the face area and the corresponding weight.

Abstract: The disclosure relates to a vertical displacement detecting device, comprising a fixed frame, a first guiding rail and a second guiding rail. The first guiding rail and the second guiding rail are respectively provided with a first sliding block and a second sliding block. The top or bottom surface of the blocking plate is contacted with a displacement detector. The second sliding block is provided with a traction wire. A top end of the fixed frame is provided with a pulley and a traction wire, and the traction wire is wound around the pulley, one end of the traction wire is connected with the first sliding block and the other end is connected to the second sliding block. The disclosure has the advantages of simple structure, accurate precision, low cost and simple realization method, and it is advantageous for wide use.

Abstract: The present disclosure provides a three-dimensional facial recognition method and system. The method includes: performing pose estimation on an input binocular vision image pair by using a three-dimensional facial reference model, to obtain a pose parameter and a virtual image pair of the three-dimensional facial reference model with respect to the binocular vision image pair; reconstructing a facial depth image of the binocular vision image pair by using the virtual image pair as prior information; detecting, according to the pose parameter, a local grid scale-invariant feature descriptor corresponding to an interest point in the facial depth image; and generating a recognition result of the binocular vision image pair according to the detected local grid scale-invariant feature descriptor and training data having attached category annotations. The present disclosure can reduce computational costs and required storage space.

Abstract: An apparatus for pre-aligning a wafer comprises: a wafer stage for carrying the wafer, wherein a first alignment mark (W1) and a second alignment mark (W2) are arranged on the wafer such that they are substantially symmetrical to each other with respect to a center of the wafer; a peripheral vision acquisition system (1), configured to perform a first positional compensation for the wafer based on a relative positional relationship of an edge or a notch of the wafer with respect to the wafer stage; and a mark detection system (4), configured to capture images of the first and second alignment marks (W1, W2) and perform a second positional compensation for the wafer by determining a relative positional relationship of the center of the wafer with respect to a center of the wafer stage based on the positions of the first and second alignment marks (W1, W2) in a coordinate system of the mark detection system, wherein the coordinate system of the mark detection system (4) has a horizontal axis (X) defined by a li

Abstract: A wafer transfer system for use in a photolithography system including a wafer storage apparatus, a pre-alignment apparatus, a buffer stage and a wafer stage is disclosed, which includes: a dual-arm robot, configured to take a wafer to be exposed from the wafer storage apparatus and transfer it onto the pre-alignment apparatus and further configured to remove an exposed wafer from the buffer stage and place it back into the wafer storage apparatus; a wafer-loading linear robot, configured to transfer a pre-aligned wafer onto the wafer stage; and a wafer-unloading linear robot, configured to transfer the exposed wafer onto the buffer stage. The dual-arm robot, the wafer-loading linear robot and the wafer-unloading linear robot can operate in parallel so as to achieve time savings in the wafer transfers.

Abstract: Provided is a protein contrast agent for enhancing an MRI image and comprising a polypeptide having a conformation presenting at least five oxygen atoms positioned to chelate at least one paramagnetic metal ion such as Gd3+, each oxygen atom being between about 2 angstrom units and about 5 angstrom units from the metal ion; the metal ion has at least one water molecule electrostatically interacting a distance of less than about 10 angstrom units a target-specific moiety conjugated thereto, at least one polyethylene glycol molecule, and a paramagnetic metal ion. Also provided is a method of obtaining an enhanced MRI image using the protein contrast agent to a T2/T1 or T1/T2 intensity ratio of the MRI image; and (d) obtaining an image of the T2/T1 or T1/T2 intensity ratio.

Abstract: A nonlinear mechanical element including a buckling column and hard stops. In one embodiment when the nonlinear mechanical element is subjected to an increasing compressive load, the buckling column buckles at a critical load, resulting in reduced stiffness past the critical load. One or more lateral hard stops may be provided adjacent to the buckling column to prevent the buckling deformation from exceeding a certain extent, and axial hard stops may be provided to shift the load path away from the buckling column when a certain amount of compressive displacement has been reached.

Abstract: Architected materials with superior energy absorption properties when loaded in compression. In several embodiments such materials are formed from micro-truss structures composed of interpenetrating tubes in a volume between a first surface and a second surface. The stress-strain response of these structures, for compressive loads applied to the two surfaces, is tailored by arranging for some but not all of the tubes to extend to both surfaces, adjusting the number of layers of repeated unit cells in the structure, arranging for the nodes to be offset from alignment along lines normal to the surfaces, or including multiple interlocking micro-truss structures.

Abstract: Architected materials with superior energy absorption properties when loaded in compression. In several embodiments such materials are formed from micro-truss structures composed of interpenetrating tubes in a volume between a first surface and a second surface. The stress-strain response of these structures, for compressive loads applied to the two surfaces, is tailored by arranging for some but not all of the tubes to extend to both surfaces, adjusting the number of layers of repeated unit cells in the structure, arranging for the nodes to be offset from alignment along lines normal to the surfaces, or including multiple interlocking micro-truss structures.

Abstract: Aspects of the disclosure provide an information processing apparatus that includes interface circuitry and processing circuitry. The interface circuitry is configured to obtain a text authored by a person. The processing circuitry is configured to analyze the text to obtain measurements of language features of the person, input the measurements of the language features into an evaluation model that is trained to predict a score as a function of the language features, determine a specific score for the person based on the evaluation model and output the specific score of the person for predicting a behavior of the person.

Abstract: The present disclosure provides a three-dimensional facial recognition method and system. The method includes: performing pose estimation on an input binocular vision image pair by using a three-dimensional facial reference model, to obtain a pose parameter and a virtual image pair of the three-dimensional facial reference model with respect to the binocular vision image pair; reconstructing a facial depth image of the binocular vision image pair by using the virtual image pair as prior information; detecting, according to the pose parameter, a local grid scale-invariant feature descriptor corresponding to an interest point in the facial depth image; and generating a recognition result of the binocular vision image pair according to the detected local grid scale-invariant feature descriptor and training data having attached category annotations. The present disclosure can reduce computational costs and required storage space.

Abstract: A nonlinear mechanical element including a buckling column and hard stops. In one embodiment when the nonlinear mechanical element is subjected to an increasing compressive load, the buckling column buckles at a critical load, resulting in reduced stiffness past the critical load. One or more lateral hard stops may be provided adjacent to the buckling column to prevent the buckling deformation from exceeding a certain extent, and axial hard stops may be provided to shift the load path away from the buckling column when a certain amount of compressive displacement has been reached.

Abstract: Disclosed in this invention is a wafer processing apparatus and method for pre-alignment and edge exposure of a wafer. The wafer processing apparatus includes a pre-alignment module, an edge exposure module, a motion module, a control module and a rotary table. The motion module includes a rotation module, a lifting module and a translation module, which are disposed and interconnected above one another. The rotation module is connected at the top to the rotary table and is configured to drive the rotary table to rotate together with the wafer. The lifting module is configured to drive the rotation module and the rotary table to move vertically. The translation module is configured to drive the lifting module and the rotation module to move horizontally. The pre-alignment module and the edge exposure module are positioned in correspondence to opposing sides of the wafer. The invention reduces the number of objects to be controlled as well as the complexity in control and system structure.

Abstract: A device generates blended frames, with each blended frame composed of multiple image layers and each image layer composed of multiple regions. The device includes display hardware. The display hardware retrieves a given image layer in a current frame from a memory. Based on at least content hints generated at the display hardware for the given image layer in the current frame, the display hardware makes a determination of whether to skip access to the memory for retrieving each region of each image layer in a next frame that is immediately after the current frame, and accesses the memory for the next frame according to the determination.

Abstract: Branched hierarchical micro-truss structures may be incorporated into energy-absorbing structures to exhibit a tailored multi-stage buckling response to a range of different compressive loads. Branched hierarchical micro-truss structures may also be configured to function as vascular systems to deliver fluid for thermal load management or altering the aerodynamic properties of a vehicle or structure into which the branched hierarchical micro-truss structure is incorporated. The branched hierarchical micro-truss structure includes a first layer having a series of interconnected struts and a second layer having a series of struts branching outward from an end of each of the struts in the first layer.

Abstract: A method, executed by a computer, for remapping interface elements on a graphical user interface includes activating an action capture mode responsive to input from a user, receiving a selection of an interface element, responsive to input from the user that uses the action capture mode, adding an alias user interface element corresponding to the interface element to a shortcut group, and wherein activation of the alias user interface element performs an action corresponding to the interface element. A computer program product and computer system corresponding to the above method are also disclosed herein.