Method for freehand sketch training

    公开(公告)号:US11645939B2

    公开(公告)日:2023-05-09

    申请号:US16701012

    申请日:2019-12-02

    Inventor: Nathan Delson

    Abstract: A computer-based method and system for teaching educational sketching includes receiving a user-generated image created in response to a learning assignment and comparing the user-generated image to a solution image to identify one or more errors in the user-generated image relative to the solution image, where the errors may include additional image elements and missing image elements. Comparing is performed by providing a solution region corresponding to an acceptable variation from the solution image and identifying one or more errors based on a presence or absence of at least a portion of a corresponding element of the user-generated image within the solution region. If errors are identified and a non-passing status is determined, a hint is displayed to the user. The hint may be the correct elements of the user-generated image, a portion of the solution image, or a combination thereof.

    CONFIGURABLE DECODER WITH APPLICATIONS IN FPGAS
    15.
    发明申请
    CONFIGURABLE DECODER WITH APPLICATIONS IN FPGAS 有权
    可配置解码器与FPGAS中的应用

    公开(公告)号:US20150002191A1

    公开(公告)日:2015-01-01

    申请号:US14478856

    申请日:2014-09-05

    Abstract: The invention relates to hardware decoders that efficiently expand a small number of input bits to a large number of output bits, while providing considerable flexibility in selecting the output instances. One main area of application of the invention is in pin-limited environments, such as field programmable gates array (FPGA) used with dynamic reconfiguration. The invention includes a mapping unit that is a circuit, possibly in combination with a reconfigurable memory device. The circuit has as input a z-bit source word having a value at each bit position and it outputs an n-bit output word, where n>z, where the value of each bit position of the n-bit output word is based upon the value of a pre-selected hardwired one of the bit positions in the x-bit word, where the said pre-selected hardwired bit positions is selected by a selector address. The invention may include a second reconfigurable memory device that outputs the z-bit source word, based upon an x-bit source address input to the second memory device, where x

    Abstract translation: 本发明涉及将少量输入位有效地扩展到大量输出位的硬件解码器,同时在选择输出实例方面提供相当大的灵活性。 本发明的一个主要应用领域是引脚限制环境,例如与动态重新配置一起使用的现场可编程门阵列(FPGA)。 本发明包括映射单元,其是可能与可重新配置的存储器件组合的电路。 电路具有作为输入的z位源字,其在每个位位置具有值,并且其输出n位输出字,其中n> z,其中n位输出字的每个位位置的值基于 通过选择器地址选择所述预选硬连线位位置的x位字中的预选硬连线位之一的值。 本发明可以包括基于输入到第二存储器设备的x位源地址输出z位源字的第二可重构存储器件,其中x

    Nonlinear function approximation over high-dimensional domains

    公开(公告)号:US08521488B2

    公开(公告)日:2013-08-27

    申请号:US13134597

    申请日:2011-06-10

    CPC classification number: G06F17/175

    Abstract: An algorithm is disclosed for constructing nonlinear models from high-dimensional scattered data. The algorithm progresses iteratively adding a new basis function at each step to refine the model. The placement of the basis functions is driven by a statistical hypothesis test that reveals geometric structure when it fails. At each step the added function is fit to data contained in a spatio-temporally defined local region to determine the parameters, in particular, the scale of the local model. The proposed method requires no ad hoc parameters. Thus, the number of basis functions required for an accurate fit is determined automatically by the algorithm. The approach may be applied to problems including modeling data on manifolds and the prediction of financial time-series. The algorithm is presented in the context of radial basis functions but in principle can be employed with other methods for function approximation such as multi-layer perceptrons.

    Methods and compositions for treating mammalian spinal cord injuries
    17.
    发明授权
    Methods and compositions for treating mammalian spinal cord injuries 有权
    治疗哺乳动物脊髓损伤的方法和组合物

    公开(公告)号:US07582680B1

    公开(公告)日:2009-09-01

    申请号:US09438206

    申请日:1999-11-12

    Abstract: Methods of treating an injured vertebrate spinal cord are described. In one aspect of the invention, a method of treating an injured vertebrate spinal cord includes contacting the spinal cord with a biomembrane fusion agent such as a polyalkylene glycol, especially polyethylene glycol. In alternative embodiments of the invention, methods of treating an injured vertebrate spinal cord include contacting the cord with a biomembrane fusion agent and a potassium channel blocker. Other aspects of the invention include compositions for treating a vertebrate nervous system. A preferred composition includes a biomembrane fusion agent, such as a polyalkylene glycol, and a potassium channel blocker, such as an amino-substituted pyridine.

    Abstract translation: 描述了治疗受损的脊椎动物脊髓的方法。 在本发明的一个方面,治疗受损的脊椎动物脊髓的方法包括使脊髓与生物膜融合剂如聚亚烷基二醇,特别是聚乙二醇接触。 在本发明的替代实施例中,治疗受损的脊椎动物脊髓的方法包括将绳索与生物膜融合剂和钾通道阻断剂接触。 本发明的其它方面包括用于治疗脊椎动物神经系统的组合物。 优选的组合物包括生物膜融合剂,例如聚亚烷基二醇和钾通道阻断剂,例如氨基取代的吡啶。

    Apparatus for applying optical gradient forces
    18.
    发明授权
    Apparatus for applying optical gradient forces 有权
    用于施加光学梯度力的装置

    公开(公告)号:US07227688B2

    公开(公告)日:2007-06-05

    申请号:US10605319

    申请日:2003-09-22

    Abstract: An apparatus and method for manipulating small dielectric particles. The apparatus and method involves use of a diffractive optical element which receives a laser beam and forms a plurality of light beams. These light beams are operated on by a telescope lens system and then an objective lens element to create an array of optical traps for manipulating small dielectric particles.

    Abstract translation: 一种用于操纵小电介质颗粒的装置和方法。 该装置和方法包括使用接收激光束并形成多个光束的衍射光学元件。 这些光束通过望远镜透镜系统操作,然后由物镜元件操作以产生用于操纵小电介质颗粒的光学阱的阵列。

    Radio frequency communication with antenna index coding
    20.
    发明授权
    Radio frequency communication with antenna index coding 有权
    射频通信与天线索引编码

    公开(公告)号:US09577731B1

    公开(公告)日:2017-02-21

    申请号:US14921346

    申请日:2015-10-23

    Abstract: The inventors have recognized that in RF communication systems, by switching between transmit antennas of an RF transmitter on a sub-symbol basis (antenna index coding), and/or by adaptively determining how often antenna switching occurs (adaptive antenna hopping), an increased amount of data may be wirelessly transmitted to an RF receiver without significantly increasing energy consumption. The inventors have determined that in certain systems, such as ZigBee, data symbols consist of elementary waveform patterns, and that such waveform patterns for transmit antennas may be stored by an RF receiver for later determining transmit antennas for data symbols. The inventors have also determined that the invention may be applied in the frequency domain, such as to OFDM, by storing subcarrier waveform patterns for particular transmit antennas and later determining transmit antennas for subcarriers of data symbols.

    Abstract translation: 本发明人已经认识到,在RF通信系统中,通过基于子符号(天线索引编码)来切换RF发射机的发射天线和/或通过自适应地确定天线切换发生的频率(自适应天线跳频),增加 数据量可以无线地传输到RF接收机而不显着增加能量消耗。 本发明人已经确定,在诸如ZigBee的某些系统中,数据符号由基本波形图案组成,并且用于发射天线的这种波形图案可以由RF接收器存储以供稍后确定数据符号的发射天线。 发明人还确定本发明可以通过存储用于特定发射天线的子载波波形模式并且稍后确定用于数据符号的子载波的发射天线来应用于频域,例如OFDM。

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