This article summarizes and extends the recently proposed concept of Significance-Aware (SA) filtering for nonlinear acoustic echo cancellation. The core idea of SA filtering is to decompose the estimation of the nonlinear echo path into beneficially interacting subsystems, each of which can be adapted with high computational efficiency. The previously proposed SA Hammerstein Group Models (SA-H...

A computational model was developed to simulate the responses of auditory-nerve (AN) fibers in cat. The model's signal path consisted of a time-varying bandpass filter; the bandwidth and gain of the signal path were controlled by a nonlinear feed-forward control path. This model produced realistic response features to several stimuli, including pure tones, two-tone combinations, wideband noise,...

In this paper, a new multi-path adaptive interpolated FIR (AIFIR)-based echo canceller is presented to perform the echo cancellation in full-duplex digital transmission over digital subscriber loop (DSL). This new approach inherits the concept of conventional AIFIR-based echo canceller, where the long tail portion is modeled by an adaptive sparse FIR filter. We then propose a multi-path structu...

Internet hosts are threatened by large-scale Distributed Denial ofService (DDoS) attacks. The Path Identification DDoS defense scheme has recently been proposed as a deterministic packet marking scheme that allows a DDoS victim to filter out attack packets on a per packet basis with high accuracy after only a few attack packets are received. The previous work suggested depicts the Stack Path id...

The performance of a theorem prover crucially depends on the speed of the basic retrieval operations, such as finding terms that are unifiable with (instances of, or more general than) some query term. Among the known indexing methods for term retrieval in deduction systems, Path–Indexing exhibits a good performance in general. However, as Path–Indexing is not a perfect filter, the candidates f...

This paper proposes a composite local path planning method for multi-robot formation navigation with path deviation prevention using a repulsive function, A-star algorithm, and unscented Kalman filter (UKF). The repulsive function in the potential field method is used to avoid collisions among robots and obstacles. The A-star algorithm helps the robots to find an optimal local path. In addition...

The self-similarity ( 2 S ) filter is proposed for real-time applications. It can be used independently or as an extra component for the enhanced RTPD (real-time traffic pattern detector) or E-RTPD. The 2 S filter basis is the “asymptotically second-order self-similarity” concept (alternatively called statistical OSS nd 2 or OSS S nd 2 ) for stationary time series. The focus is the IAT (inter-a...

In this paper, a high-efficient lined-based architecture for the 9/7 discrete wavelet transform (DWT) based on lifting scheme is proposed. The proposed parallel and pipelined architecture consists of a horizontal filter (HF) and a vertical filter (VF). The critical path of the proposed architecture is reduced. Filter coefficients of the biorthogonal 9/7 wavelet low-pass filter are quantized bef...

In this paper, a high-efficient lined-based architecture for the 9/7 discrete wavelet transform (DWT) based on lifting scheme is proposed. The proposed parallel and pipelined architecture consists of a horizontal filter (HF) and a vertical filter (VF). The critical path of the proposed architecture is reduced. Filter coefficients of the biorthogonal 9/7 wavelet low-pass filter are quantized bef...

In the context of choice with limited consideration, where decision-maker may not pay attention to all available options, consideration function a decision maker is path-independent if her cannot be manipulated by presentation set. This paper characterizes model path independence, which equivalent that satisfies both filter and properties from Masatlioglu et al. (2012) Lleras (2017), respective...