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Comparative Study of Image Denoising Using Wavelet Transforms and Optimal Threshold and Neighbouring Window

NeighShrink is an efficient image denoising algorithm based on the discrete wavelet
transform (DWT). Its disadvantage is to use a suboptimal universal threshold and identical
neighbouring window size in all wavelet subbands. Dengwen and Wengang proposed an
improved method, which can determine an optimal threshold and neighbouring window size
for every subband by the Stein’s unbiased risk estimate (SURE). Its denoising performance is
considerably superior to NeighShrink and also outperforms SURE-LET, which is an up-todate
denoising algorithm based on the SURE. In this paper different wavelet transform
families are used with this improved method, the results show that Haar wavelet has the
lowest performance among other wavelet functions. The system was implemented using
MATLAB R2010a. The average improvement in term of PSNR between Haar and other
wavelet functions is 1.37dB

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Publication Date
Tue Dec 05 2023
Journal Name
Baghdad Science Journal
Indoor/Outdoor Deep Learning Based Image Classification for Object Recognition Applications

With the rapid development of smart devices, people's lives have become easier, especially for visually disabled or special-needs people. The new achievements in the fields of machine learning and deep learning let people identify and recognise the surrounding environment. In this study, the efficiency and high performance of deep learning architecture are used to build an image classification system in both indoor and outdoor environments. The proposed methodology starts with collecting two datasets (indoor and outdoor) from different separate datasets. In the second step, the collected dataset is split into training, validation, and test sets. The pre-trained GoogleNet and MobileNet-V2 models are trained using the indoor and outdoor se

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Publication Date
Mon Oct 01 2012
Journal Name
Journal Of The Faculty Of Medicine Baghdad
A Comparative Study of the Effects of Age and Smoking on Nail Growth Rate in Healthy Individuals

Background: The nail organ has an important functional and aesthetic importance. Nail Growth Rate (NGR) has attracted the attention of many investigators not only due to the importance of the nail apparatus but also as a tool to reflect health.
Objective: To study the effects of smoking and age on nail growth.
Patients and methods:The study was conducted at the Department of Physiology and the Department of Dermatology, College of Medicine, University of Baghdad during the period from January 2011 to May 2011.
Nail growth measurement was performed by etching a T – mark on the nail plate of the right and the left thumbs with a wide bore needle. The vertical distance between the point of meeting of the T and the proximal nail fo

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Publication Date
Tue Dec 11 2018
Journal Name
Iraqi National Journal Of Nursing Specialties
Evaluation of Nursing staff Performance in Cardiac Care Units at Teaching and Non Teaching Hospitals in Kirkuk City: A Comparative Study

Objective: The descriptive study was used to evaluate nursing staff performance in cardiac care units at teaching
and non teaching hospitals in kirkuk city: A comparative study.
Methodology: A descriptive study was used to evaluate nursing staff performance in cardiac care units. The study
was conducted from December 29th
, 2013 up to the 27th of Apr. 2014. A non-probability (purposive) sample of
(44) nurses who work in cardiac care unit at Azady teaching Hospital and Kirkuk general Hospital was evaluated by
a questionnaire which consisted of two parts; the first part is concerned with the demographic characteristics of
the nurses and the second part concerned Observation check list for evaluation nursing staff Perfo

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Publication Date
Wed May 29 2019
Journal Name
Journal Of Legal Sciences
The Methodology of UAETrans Civil Actions Law Concerning Tort: An Analytical Comparative Study in Islamic Jurisprudence

This paper deals with the position of the UAE Civil Transactions Law No. 5 of 1985 on the harmful act and how it dealt with this subject, and we know that the direct historical source of the civil transactions law is the Jordanian Civil Code. Some texts are quoted literally from this law. The Jordanian civil law is clearly influenced by the jurisprudence of Hanafi and the jurisprudential jurisprudence, while the general orientation of the UAE legislator is to adopt the most appropriate solutions in the jurisprudence with the introduction of the Maliki and Hanbali and Hanafi and Shafei, in the absence of legislation to rule the matter, the authors of the law The United Arab Emirates have changed some of the texts passed on to the Jordania

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Publication Date
Wed Jun 15 2022
Journal Name
Journal Of Legal Sciences
Catering Contract of Restaurants in the English Law. A Comparative Analytical Study with Iraqi Civil Law

The Catering contract is considered as a type of hospitality contracts in the English common law of customary origins. Which is unwritten and based upon judicial precedents of the English courts. It is a complex contract of mixed nature، Is Regarded as a contract for the sale of meals of food and drink،, and is considered as a contract for supply of services concerning the preparation of food and drink، for providing them to the customer، as well as being a bailment contract. It is worth-bearing in mind that this contract is subject to the rules of three important English legislations: The Sale of Goods Act 1979، The Supply of Goods and Services 1982، The Consumer Protection Act 1987، and The Consumer Rights Act 2015. It is also w

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Publication Date
Fri Dec 14 2018
Journal Name
Journal Of Legal Sciences
The child right of body protection in the international law A comparative study in Islamic shree

The children are suffering from many kinds of tragedy acts such as killing and torture which arise from civil wars never be seen along the human history since decades.

We still see millions of children suffering specially in the Arab world, Iraq, Syria, Libya, and Yemen. This study deals with kinds of protections which comes by international treaties and practiced by international organizations which helps in the protection through the military conflicts, and we compare this right in the Islamic shree, and how the states are comply with this right and how can they protect the children practically.

At last we reach the conclusion and finally the recommendations.   

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Publication Date
Mon Aug 07 2017
Journal Name
Ibn Al-haitham Journal For Pure And Applied Sciences
Preparation of Optical Window in the Infrared Region (35) µm Using Al2O3 Material

In this work optical window for infrared region was prepared by using Aluminum Oxide (Al2O3)material as antireflection coating on ZnSe substrate which covers the atmospheric window 3-5µm. the maximum transition was 97% at a wavelength 0f 4.4µm.

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Publication Date
Wed Dec 29 2021
Journal Name
Journal Of Legal Sciences
The impact of the principle of reasonable division on achieving the justice of the division of constituencies: Comparative Study

The reasonable division of the constituencies will lead to the stability of the political system. As long as the citizen will vote and will have an impact on the electoral process, his vote should be equal to the votes of the voters in the other constituencies. And the basic guarantee of the application of justice in all the joints of the process of division by virtue of the generality and the ability to develop and appropriate for any time and place to be applied in it, and the principle of division is a reasonable general principle with a broad concept under which many applications that differ from d According to him, another philosophy adopted by that State and the nature of the legal organization, and the degree of political awarenes

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Publication Date
Fri Jun 24 2022
Journal Name
Iraqi Journal Of Science
Feature Extraction of Human Facail Expressions Using Haar Wavelet and Neural network

One of the challenging and active research topics in the recent years is Facial Expression. This paper presents the method to extract the features from the facial expressions from still images. Feature extraction is very important for classification and recognition process. This paper involve three stages which contain capture the images, pre-processing and feature extractions. This method is very efficient in feature extraction by applying haar wavelet and Karhunen-Loève Transform (KL-T). The database used in this research is from Cohen-Kanade which used six expressions of anger, sadness fear, happiness, disgust and surprise. Features that have been extracted from the image of facial expressions were used as inputs to the neural networ

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Publication Date
Sat Dec 31 2022
Journal Name
Periodicals Of Engineering And Natural Sciences (pen)
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