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    • 1. 发明授权
    • Retinal apparatus and methods
    • 视网膜仪器和方法
    • US09412041B1
    • 2016-08-09
    • US13539142
    • 2012-06-29
    • Dimitry FisherEugene M. IzhikevichMarius BuibasBotond Szatmary
    • Dimitry FisherEugene M. IzhikevichMarius BuibasBotond Szatmary
    • G06K9/00G06K9/60G06N3/063
    • G06K9/605G06K9/645G06N3/049G06N3/063H01L27/14609H04N5/357
    • Artificial retina may be implemented. A retinal apparatus may comprise an input pixel layer, hidden photoreceptive layer, an output neuron layer, and/or other components. Individual cones of the photoreceptive layer may be configured to receive input stimulus from one or more cones within the cone circle of confusion. The cone dynamic may be described using a diffusive state equation characterized by two variables configured to represent membrane voltage and current. Diffusive horizontal coupling of neighboring cones may effectuate non-separable spatiotemporal response that is configured to respond to contrast reversing and/or coherent moving stimulus. The photoreceptive layer high-pass filtered output may facilitate contrast detection by suppressing time-invariant component of the input and reducing sensitivity of the retina to the static inputs.
    • 可以实施人造视网膜。 视网膜装置可以包括输入像素层,隐藏的感光层,输出神经元层和/或其它组件。 感光层的单个锥体可以被配置为从混合锥圆圈内的一个或多个锥体接收输入刺激。 可以使用由两个变量表征的扩散状态方程来描述锥形动态,其被配置为表示膜电压和电流。 相邻锥体的扩散水平耦合可以实现被配置为响应对比度反转和/或相干移动刺激的不可分离的时空响应。 感光层高通滤波输出可以通过抑制输入的时间不变分量并降低视网膜对静态输入的敏感度来促进对比度检测。
    • 2. 发明授权
    • Sensory processing apparatus and methods
    • 感觉处理装置和方法
    • US09014416B1
    • 2015-04-21
    • US13540429
    • 2012-07-02
    • Dimitry FisherEugene M. IzhikevichMarius Buibas
    • Dimitry FisherEugene M. IzhikevichMarius Buibas
    • G06K9/00H01L27/146
    • G06K9/605G06K9/645G06N3/049G06N3/063H01L27/14609H04N5/357
    • Artificial retina may be implemented. A retinal apparatus may comprise an input pixel layer, hidden photoreceptive layer, an output neuron layer, and/or other components. Individual cones of the photoreceptive layer may be configured to receive input stimulus from one or more cones within the cone circle of confusion. The cone dynamic may be described using a diffusive state equation characterized by two variables configured to represent membrane voltage and current. Diffusive horizontal coupling of neighboring cones may effectuate non-separable spatiotemporal response that is configured to respond to contrast reversing and/or coherent moving stimulus. The photoreceptive layer high-pass filtered output may facilitate contrast detection by suppressing time-invariant component of the input and reducing sensitivity of the retina to the static inputs.
    • 可以实施人造视网膜。 视网膜装置可以包括输入像素层,隐藏的感光层,输出神经元层和/或其它组件。 感光层的单个锥体可以被配置为从混合锥圆圈内的一个或多个锥体接收输入刺激。 可以使用由两个变量表征的扩散状态方程来描述锥形动态,其被配置为表示膜电压和电流。 相邻锥体的扩散水平耦合可以实现被配置为响应对比度反转和/或相干移动刺激的不可分离的时空响应。 感光层高通滤波输出可以通过抑制输入的时间不变分量并降低视网膜对静态输入的敏感度来促进对比度检测。