Event-based laser speckle correlation for micro motion estimation: erratum

Zhou Ge; Yizhao Gao; Hayden K.-H. So; Edmund Y. Lam

doi:10.1364/OL.442448

Abstract

We present an erratum to our Letter [Opt. Lett. 46, 3885 (2021) [CrossRef] ]. This erratum corrects an inadvertent error in Eq. (4). The corrections have no influence on the results and conclusions of the original Letter.

In our Letter [1], the left hand side of Eq. (4) was inadvertently deleted. Eq. (4) should be

(1)$$\chi (x,y) = \sum\limits_{{t_k} \in \Delta t} {p_k}T\delta (x - {x_k},y - {y_k}).$$

The meaning of all the parameters was introduced in the subsequent lines in the original manuscript. The correction does not affect our results and conclusions.

Reference

1. Z. Ge, Y. Gao, H. K.-H. So, and E. Y. Lam, Opt. Lett. 46, 3885 (2021). [CrossRef]

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Equations (1)

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χ (x, y) = \sum_{t_{k} \in Δ t} p_{k} T δ (x - x_{k}, y - y_{k}) .

Abstract

Reference

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Equations (1)

Optics Letters