Random Telegraph Signal in CMOS Image Sensor Pixels

High Performance CMOS Range Imaging

“…Flicker noise and RTS noise dominate at low frequencies and can be thus at least partially filtered by the CDS but for the same reasons as already described this is not necessarily the best approach. Even worse, it has been deducted, that RTS cannot be fully eliminated with CDS at all [WRM06].…”

A Novel Modeling and Evaluating for RTS Noise on CMOS Image Sensor in Motion Picture

“…In this paper, we assume that correlated-double sampling (CDS) has reacted on RTS noise for noise modeling of CIS [14], [27]. The pixel output and the histogram of RTS noise after CDS are shown in Fig.…”

“…And the vertical-axis and horizontal-axis represent the number of pixels and Digital Number (DN) of NL respectively. Secondly, the noise histogram of a CIS with not only the Gaussian component noise but also the non-Gaussian component noise is calculated based on the work in [4], [11], [14], [28]- [31] and determined by the exponential distribution with two parameter α and β, which is shown in Fig. 10.…”

“…To build up the noise histogram in Fig. 10, we have applied numerical analysis methods to compute κ 1 and connection point Ψ in (12)- (14).…”

“…However, all these research concentrate on the behavior or Copyright c 2010 The Institute of Electronics, Information and Communication Engineers characteristics of RTS noise in a single CIS pixel in time domain, in frequency domain or both of them based on experiments on physical devices. On the contrary, Kobayashi [13], Wang [14] describe the spatial distribution of RTS noise but still merely give physical experimental results. Nevertheless researchers are always in need of the mathematical modeling of RTS noise to analyze and reduce RTS noise in motion pictures, which is a more convenient but less costly tool to study the mechanism of RTS noise and its impact on motion pictures compared with the physical methods.…”