Several important issues involved in Adaboost-cascade learning still remain open problems. In this work, several novel ideas are proposed for improved Adaboost-cascade object detection. The most important one is the novel Topology Oriented Adaboost (TOBoost) algorithm. TOBoost immediately minimizes the classification error of each selected feature, and thus enables the final detector to be more...

We introduce the concepts of T-generalized state machines and coverings of products of them. Also some of algebraic properties of them are investigated. Finely some products such as direct sum and sum of Tgeneralized state machines are introduced. An interesting distributive property of cascade product over the sum of Tgeneralized state machines concern to covering of T-generalized state machin...

Evidence of discrete scale invariance (DSI) in daytime healthy heart rate variability (HRV) is presented based on the log-periodic power law scaling of the heart beat interval increment. Our analysis suggests multiple DSI groups and a dynamic cascading process. A cascade model is presented to simulate such a property.

Classical nonlinear waves exhibit, as a general rule, an irreversible process of thermalization toward the Rayleigh-Jeans equilibrium distribution. On other hand, several recent experiments revealed remarkable effect spatial organization optical beam that propagates through graded-index multimode fiber (MMF), phenomenon termed self-cleaning. Our aim here is to evidence qualitative impact disord...

Two digital filters ( ) and ( ) are said to be biorthogonal partners of each other if their cascade ( ) ( ) satisfies the Nyquist or zero-crossing property. Biorthogonal partners arise in many different contexts such as filterbank theory, exact and least squares digital interpolation, and multiresolution theory. They also play a central role in the theory of equalization, especially, fractional...

Experiments and numerical simulations show that quantum turbulence exists in two distinct limiting regimes: Kolmogorov (which shares with classical the important property of a cascade kinetic energy from large eddies to small eddies) Vinen is more similar random flow). In this work, we define mesoscale helicity for superfluid, which, tested experiments, distinguishes turbulent regimes, quantify...

Overexploitation of predators has been linked to the collapse of a growing number of shallow-water marine ecosystems. However, salt-marsh ecosystems are often viewed and managed as systems controlled by physical processes, despite recent evidence for herbivore-driven die-off of marsh vegetation. Here we use field observations, experiments, and historical records at 14 sites to examine whether t...

This paper presents multiple LUT cascade to realize an address generator that produces unique addresses ranging from 1 to k for k distinct input vectors. We implemented six kinds of address generators using multiple LUT cascades, Xilinx’s CAM (Xilinx IP core), and an address generator using registers and gates on Xilinx Spartan-3 FPGAs. One of our implementations has 76% more throughput, 29.5 t...

Cascades represent an important phenomenon across various disciplines such as sociology, economy, marketing, and epidemiology. An important property of cascades is their morphology, which encompasses their structure, shape, and size. However, we believe that cascade morphology has not been thoroughly studied in prior literature. The goal of this paper is to develop a model that allows us to qua...