公开(公告)号：US20180357504A1

公开(公告)日：2018-12-13

申请号：US15621040

申请日：2017-06-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Lior Zamir ,  Nathan Henri Levy

IPC: G06K9/46

CPC classification number: G06K9/4609 ,  G06K9/4642

Abstract: Event-based image feature extraction includes reducing an accumulated magnitude of a leaky integrate and fire (LIF) neuron based on a difference between a current time and a previous time; receiving an event input from a dynamic vision sensor (DVS) pixel at the current time; weighting the received input; adding the weighted input to the reduced magnitude to form an accumulated magnitude of the LIF neuron at the current time; and, if the accumulated magnitude reaches a threshold, firing the neuron and decreasing the accumulated magnitude.

公开(公告)号：US09275446B2

公开(公告)日：2016-03-01

申请号：US14054087

申请日：2013-10-15

Applicant: Samsung Electronics Co., Ltd.

Inventor： Nathan Henri Levy

IPC: G06K9/40 ,  G06T5/10 ,  G06T3/40 ,  G06T5/00

CPC classification number: G06T5/10 ,  G06T3/4015 ,  G06T5/008 ,  G06T2207/20028 ,  G06T2207/20192 ,  G06T2207/20208

Abstract: A method of large-radius edge-preserving low-pass filtering is performed on a digital signal having data points. The method includes computing a weighted average of a signal layer at vertices spaced a distance apart such that an amount of the vertices is less than an amount of the data points and producing, for each of the data points, a large-radius edge-preserving low-pass filtered signal based on the weighted average of the signal layer at vertices neighboring the data point.

Abstract translation: 对具有数据点的数字信号执行大半径边缘保留低通滤波的方法。 该方法包括计算在间隔开距离的顶点处的信号层的加权平均值，使得顶点的量小于数据点的数量，并且对于每个数据点产生大半径边缘保留 基于邻近数据点的顶点处的信号层的加权平均值的低通滤波信号。