Hypomimia and voice changes are soft signs preceding classical motor disability in patients with Parkinson's disease (PD). We aim to investigate whether an analysis of acoustic facial expressions machine-learning algorithms assist early identification PD. recruited 371 participants, including a training cohort (112 PD during "on" phase, 111 controls) validation (74 "off" 74 controls). All participants underwent smartphone-based, simultaneous recording expressions, while reading article. Nine...

Mechanical devices usually come with undesirable nonlinearities, such as friction, backlashes, and saturations. Under the assumption of linear systems, commonly seen identification schemes utilize sinusoidal excitation signals for parameter identification. However, data needed are unavoidably distorted by aforementioned nonlinearities result may not be satisfactory. In paper, binary test used to perform identification, thus simplifying behavior friction. An method based on difference...

Globally, liver cancer causes more than 700,000 deaths each year and is the second-leading cause of death from cancer. Hepatocellular carcinoma (HCC) most common type in adults accounts for cirrhosis patients. Patients with early-stage can be treated by surgical intervention a good prognosis; thus, early diagnosis, as confirmed pathology examination, necessary to combat HCC. Conventional manual examination requires considerable time labor, even established expertise. It widely accepted that...

An adaptive fuzzy sliding mode controller (AFSMC) is proposed. The parameters of the membership functions in rule base are changed according to some algorithm for purpose controlling system state hit a user-defined surface and then slide along it. initial IF-THEN rules AFSMC can be randomly selected or roughly given by human experts, automatically tuned direct law. Therefore, reduction expertise dependency design procedure logic control called tolerance property. By applying nonlinear...

This paper presents a novel single-stage asymmetrical half-bridge regulator with input current ripple reduction technique. Most of the researched rectifiers cascade boost-type converter integrates system. It is found that resonant converter, when duty cycles are greater than 50%, can simplify front end to converter. In order reduce size and weight achieve better low-ripple current, integrated magnetic coupled inductor techniques used in proposed regulator. The operation principle steady...

The treatment conformability and the total time of large tumors are both important issues in ultrasound thermal therapy. Previous heating strategies all show their restrictions achieving these two to satisfactory levels simultaneously. This work theoretically presents a new strategy which is capable increasing shortening time, when using 2D phased array transducer. To perform this, set multiple-foci patterns (considered basic units) were temporally switched steer beam at different focal...

The purpose of this study is to investigate the feasibility using a 1 MHz cylindrical ultrasound phased array with multifocus pattern scanning produce uniform heating for breast tumor thermal therapy. was submerged in water and surrounded by array. A generated electrically scanned enlarge treatment lesion single heating. To prevent overheating normal tissues, large planning target volume (PTV) would be divided into several planes subunits on each plane sequentially treated cooling phase...

In this study, the genetic algorithms are applied to find out a nearly optimal fuzzy rule-base for sliding mode controller in sense of fitness. conventional logic controllers (FLC), linearly increasing either input variables or linguistic labels would lead number rules grow up exponentially. Since larger size rule base cause longer string length and higher computing load, it becomes one difficulties realizing search suitable membership functions controllers. This paper will show that (FSMC)...

Moving object segmentation using Improved Running Gaussian Average Background Model (IRGABM) is proposed in this paper. subtraction for a relatively static background popular method moving image sequences. However, there are some problems the method, such as varying luminance effect, updating problem, and noise effect. IRGABM has advantages of fast computational speed low memory requirement. Our study also shows its improvements on above-mentioned problems. For purpose segmentation, time,...

A sliding mode controller (SMC) design method based on radial basis function network (RBFN) is proposed in this paper. Similar to the multilayer perceptron, RBFN also known be a good universal approximator. In work, weights of are changed according some adaptive algorithms for purpose controlling system state hit user-defined surface and then slide along it. The initial can set small random numbers, online tuned automatically, no supervised learning procedures needed. By applying RBFN-based...

We demonstrate a PID controller design for high precision positioning table using real-coded genetic algorithm. choose the numerical internal presentation of computer systems (IEEE P754 Standard) as coding format By this approach, time-consuming and encoding processes on traditional algorithms is not necessary. In order to show ability algorithm, ballscrew used evaluation. The experimental results indicate success

Recognition of human posture for home care system is studied in this paper. Home to determine whether man danger or not by image video and the emergent signal will be sent hospital family if danger. Computer vision a popular tool solve kind problem. The silhouette an useful information purpose recognition it can separated from imaging process [1]. There assumption that has been obtained research. In paper, classified as stand, sit, kneel, stoop some parameters simple rules. It real time...

Model-based Optical Proximity Correction (MBOPC) has become one of the most important resolution enhancement technologies (RETs), which can effectively improve image fidelity and process robustness. MBOPC is performed by iteratively shifting polygon edges mask patterns until convergence requirements are achieved. In this paper, we specifically discuss design feedback controllers to convergence. Effective controller rules derived from OPC results several circuit layouts. Meanwhile, resist...

This paper presents an approach to the control of a dynamic physical system through use approximate reasoning. The has been implemented in program named POLE and we have successfully built prototype hardware solve cart-pole -balancing problem real-time. provides complementary alternative conventional analytical methodology, is substantial where precise mathematical model process being controlled not available. also furnishes set criteria for comparing controllers based on reasoning those schemes.

Fuzzy approaches were used to determine optimal thresholding values of fruit's images, and fuzzy degree matching was applied classify the color size fruit. Results showed that method superior traditional statistical methods, a accuracy 93.3% for combined sorting reported. The errors due miscategorization could thus be reduced if methods used. developed algorithms integrated with machine vision guided robotic system fruits.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML"...

This paper presents a novel single stage push-pull boost converter with improved integrated magnetics and ripple-free input current. It is found that the push pull when duty cycles greater than 50% can simplify front of boost-type to converter. Coupled inductor techniques provide method reduce size weight achieve All magnetic components including filter step-down transformer are into El core. The prototype built demonstrate theoretical prediction.

This paper investigates the feasibility of a scanned cylindrical ultrasound system for producing uniform heating from central to superficial portions breast or localized within at specific location. The proposed consists plane transducer(s) mounted on support. was immersed in water and surrounded by this during treatment. control parameters considered are size transducer, frequency, scan angle shifting distance between axes system. Three-dimensional acoustical thermal models were used...

Electron-beam lithography is one of the promising candidates to replace optical projection due its high resolution and maskless direct-write capability. In order achieve throughput requirement for high-volume manufacturing, miniaturized electro-optics elements are utilized drive massively parallel beams simultaneously. high-throughput multiple-electron-beam systems, beam positioning drift problems can become quite serious several factors such as thermal distortion fabrication errors electron...

This research devises a method to match marker-less surfaces for liver image registration. Surgeons usually glean preoperative information, such as anatomy and the locations of tumors or large intrahepatic vessels, from images that are obtained using Computed Tomography (CT) scans, Magnetic Resonance Imaging (MRI) ultrasound. During minimally invasive surgery, surgeons use laparoscope obtain information about intraoperative surface identify an tumor vessels information. However, can be...

The main challenge in transcostal high-intensity focused ultrasound therapy is minimising heat deposition the ribs while ensuring that a sufficient dose delivered to target region. Current approaches rely on expensive multichannel phased-array systems turn individual transducer and off according either geometrical arrangements or complicated wave calculations. To protect from heating, energy must not only reach ribs, but also accumulate front of ribs. research this paper proposes different...