A High Performance Hybrid Technique of Microaneurysm Extraction Using Vessel Suppression and Connected Component Extraction

Connected-component labeling is an important process in image analysis and pattern recognition. It aims to deduct the connected components by giving a unique label value for each individual component. Many algorithms have been proposed, but they still face several problems such as slow execution time, falling in the pipeline, requiring a huge amount of memory with high resolution, being noisy, and giving irregular images. In this work, a fast and memory- efficient connected-component labeling algorithm for binary images is proposed. The proposed algorithm is based on a new run-base tracing method with a new resolving process to find the final equivalent label values. A set of experiments were conducted on different types of binary images. The proposed algorithm showed high performance compared to the other algorithms.

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Bioactive Component Extraction from Rhubarb Herb and its Application for the Packaging of Fresh Beef

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.469.198 ◽

2013 ◽

Vol 469 ◽

pp. 198-201

Author(s):

Yan Cui ◽

Chun Yang Han ◽

Jian Qing Wang ◽

Yuan Tao ◽

Guang Fa Liu

Keyword(s):

High Performance ◽

Antibacterial Effect ◽

Dilution Method ◽

Extraction Technology ◽

Mix Proportion ◽

Bioactive Component ◽

Optimal Mix ◽

Component Extraction ◽

The Times ◽

Optimum Extraction

Rhubarb as a commonly used traditional Chinese medicine, but on its antibacterial effect with little research.In this paper, rhubarb is extracted by ethanol.By high performance liquid chromatography (HPLC),make sure the optimum extraction technology .Through The Times dilution method to determine the minimum bacteriostasis,three factors quadratic orthogonal method is used to determine the optimal mix proportion of rhubarb and cinnamon is 2:1,and its preservation test was carried out on the cool fresh beef, at 4°Csealing under the condition of cold storage shelf life by day 9 to 16 day.

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A Novel Switching Control for Induction Motors Using a Robust Hybrid Controller that Combines Sliding Mode with PI Anti-Windup

Periodica Polytechnica Electrical Engineering and Computer Science ◽

10.3311/ppee.15661 ◽

2020 ◽

Vol 64 (4) ◽

pp. 392-405

Author(s):

Bilel Aichi ◽

Khedidja Kendouci

Keyword(s):

High Performance ◽

Induction Motors ◽

Sliding Mode ◽

Low Cost ◽

Practical Implementation ◽

Hybrid Technique ◽

Transient Regimes ◽

Hybrid Controller ◽

Start Up ◽

And Control

Induction Motors are the most used machines in the industrial field since the last century, due to their low cost, high robustness with satisfactory performance. However, they are still difficult to control compared to the DC motor because of the non-linearity presented in the mathematical model. Sliding mode theory is often used to develop powerful control against various internal and external disturbances. However, the chattering problem caused by the attractive part of the regulator is a serious problem for its applications. In this paper, the proposed solution for having an optimal performance consists in combining the Sliding Mode Control with an anti-windup proportional-integral regulator. This is achieved through a simple linear supervisor that can activate the sliding mode at start-up and transient regimes while making the second controller drive the steady state. The asymptotic stability of the delivered control signal is ensured via the Lyapunov method. This allows us to benefit from the advantages of the two regulators without having their disadvantages. This new hybrid technique can potentially offer very promising results in terms of robustness and control efficiency. The validation of this theory was carried out by simulation and then by practical implementation using a dSPACE-DS-1104 control board. The obtained results show a high-performance control with very good robustness against parametric variations and remarkable stability during all different operating zones.

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