Applied Research of Assessment Methods on Video Quality

2012 ◽  
Vol 262 ◽  
pp. 157-162
Author(s):  
Chong Gu ◽  
Zhan Jun Si
Keyword(s):  
Video Processing ◽  
Evaluation Method ◽  
Comprehensive Evaluation ◽  
Rapid Development ◽  
Video Quality ◽  
Objective Evaluation ◽  
Video Data ◽  
Assessment System ◽  
Video Encoding ◽  
High Definition

With the rapid development of modern video technology, the range of video applications is increasing, such as online video conferencing, online classroom, online medical, etc. However, due to the quantity of video data is large, video has to be compressed and encoded appropriately, but the encoding process may cause some distortions on video quality. Therefore, how to evaluate the video quality efficiently and accurately is essential in the fields of video processing, video quality monitoring and multimedia video applications. In this article, subjective, and comprehensive evaluation method of video quality were introduced, a video quality assessment system was completed, four ITU recommended videos were encoded and evaluated by Degradation Category Rating (DCR) and Structural Similarity (SSIM) methods using five different formats. After that, comprehensive evaluations with weights were applied. Results show that data of all three evaluations have good consistency; H.264 is the best encoding method, followed by Xvid and wmv8; the higher the encoding bit rate is, the better the evaluations are, but comparing to 1000kbps, the subjective and objective evaluation scores of 1400kbps couldn’t improve obviously. The whole process could also evaluate new encodings methods, and is applicable for high-definition video, finally plays a significant role in promoting the video quality evaluation and video encoding.

scholarly journals Video Cloud Services for Hospitals: Designing an End-to-End Cloud Service Platform for Medical Video Storage and Secure Access

10.2196/18139 ◽  
2020 ◽  
Vol 5 (1) ◽  
pp. e18139
Author(s):  
Piotr Pawałowski ◽  
Cezary Mazurek ◽  
Mikołaj Leszczuk ◽  
Jean-Marie Moureaux ◽  
Amine Chaabouni
Keyword(s):  
Video Quality ◽  
Cloud Service ◽  
Video Data ◽  
Cloud Services ◽  
Information And Communications Technology ◽  
Video Encoding ◽  
Rapid Expansion ◽  
Long Run ◽  
Generic Architecture ◽  
End To End

The amount of medical video data that has to be securely stored has been growing exponentially. This rapid expansion is mainly caused by the introduction of higher video resolution such as 4K and 8K to medical devices and the growing usage of telemedicine services, along with a general trend toward increasing transparency with respect to medical treatment, resulting in more and more medical procedures being recorded. Such video data, as medical data, must be maintained for many years, resulting in datasets at the exabytes scale that each hospital must be able to store in the future. Currently, hospitals do not have the required information and communications technology infrastructure to handle such large amounts of data in the long run. In this paper, we discuss the challenges and possible solutions to this problem. We propose a generic architecture for a holistic, end-to-end recording and storage platform for hospitals, define crucial components, and identify existing and future solutions to address all parts of the system. This paper focuses mostly on the recording part of the system by introducing the major challenges in the area of bioinformatics, with particular focus on three major areas: video encoding, video quality, and video metadata.

scholarly journals Risk Evaluation of Bidding for Wind Farm Construction Project

2019 ◽  
Vol 9 (1) ◽  
pp. 71
Author(s):  
Yonghua Wang ◽  
Guosheng Hu ◽  
Jia-xin Zhang
Keyword(s):  
Risk Evaluation ◽  
Construction Projects ◽  
Wind Farm ◽  
Evaluation Method ◽  
Comprehensive Evaluation ◽  
Rapid Development ◽  
Construction Project ◽  
Fuzzy Comprehensive Evaluation ◽  
Energy Company ◽  
Element Method

With the rapid development and growth of the installed capacity of wind power generation in China, more and more attention has been paid to the risk of wind farm construction projects. Based on the extension element method and the multi-level fuzzy comprehensive evaluation method, this paper makes an empirical analysis on the bidding risk of the wind farm construction project of Xintiandi energy company in Hebei province. The research shows that the extensible matter element method can provide effective support for decision makers because there are no different evaluation principles and more accurate risk evaluation.

scholarly journals Mobile E-Commerce Information System Based on Industry Cluster under Edge Computing

2021 ◽  
Vol 2021 ◽  
pp. 1-11
Author(s):  
Jun Liu ◽  
Baixiang Pan ◽  
Xiaheng Zhang ◽  
Doudou Li
Keyword(s):  
Information System ◽  
Evaluation Method ◽  
Comprehensive Evaluation ◽  
Rapid Development ◽  
Fuzzy Comprehensive Evaluation ◽  
Industrial Clusters ◽  
Mobile Internet ◽  
Edge Computing ◽  
Relationship Analysis ◽  
Internet Networks

Mobile e-commerce is e-commerce implemented on mobile devices, such as mobile phones, and mobile Internet networks as we usually understand. With the rapid development of mobile electronic devices and mobile Internet networks, this new type of e-commerce field has gradually emerged. In the context of edge computing, this paper takes mobile e-commerce information system as the research object and aims to study the mobile e-commerce information system based on industry clusters under edge computing. First of all, this paper expounds the theory of industrial clusters and the manifestations of e-commerce industrial clusters, as well as the concept and technical framework of the Internet of Things, and proposes the order relationship analysis method and the fuzzy comprehensive evaluation method, and conducts experiments in the form of questionnaires. The experimental results show that, from the perspective of industrial integration, with a correlation coefficient of 0.687, there is a significant positive correlation between e-commerce information system and supply chain cooperation.

scholarly journals Application of Set Pair Analysis in a Comprehensive Evaluation of Water Resource Assets: A Case Study of Wuhan City, China

Water ◽  
2019 ◽  
Vol 11 (8) ◽  
pp. 1718 ◽  
Author(s):  
Jingdong Zhang ◽  
Yanan Li ◽  
Chaoyang Liu ◽  
Zhiguang Qu ◽  
Fei Li ◽  
...  
Keyword(s):  
Water Resources ◽  
Water Resource ◽  
Comprehensive Evaluation ◽  
Rapid Development ◽  
Assessment System ◽  
Set Pair Analysis ◽  
Resource Value ◽  
Entropy Weight ◽  
Wuhan City ◽  
Pair Analysis

With the rapid development of the social economy, China is suffering from severe water scarcity due to improper management. Evaluation of water resource value is a crucial issue for innovative management in regional water resources. In this paper, in consideration of the complexity and uncertainty of water resources, 15 indicators were selected to establish the assessment system for its value in Wuhan City from the following three aspects, namely the environment, resources, and society. The analytic hierarchy process (AHP) and Entropy Weight Method were combined to calculate the comprehensive weight. An improved set pair analysis (SPA) model was applied to evaluate water resource assets in the period of 2013–2017. For the sake of the dependability of these results, the James Pollution Loss model was utilized to compute loss of water resource value caused by the decline of water quality in the water pollution environment. The results show that the amount of water resource through physical quantitative accounting in Wuhan City fluctuates greatly. The initial change is relatively stable, then surges in 2015 and 2016, but slumps in 2017. The total water resource assets for Wuhan City from 2013 to 2017 are 14.221, 14.833, 28.375, 75.558, and 21.315 billion RMB, respectively. Therefore, water resource value accounting plays an indispensable role in the environmental protection and sustainable development of water, as well as provides a support for comprehensive calculation and management of various valuable natural resources.

Study on the Test Method of Cool Refreshing Properties of Fabric

2013 ◽  
Vol 821-822 ◽  
pp. 295-300
Author(s):  
Shan Wen ◽  
Shi Hua Luo
Keyword(s):  
Evaluation Method ◽  
Comprehensive Evaluation ◽  
Principal Component ◽  
Fuzzy Comprehensive Evaluation ◽  
Objective Evaluation ◽  
Air Permeability ◽  
Test Method ◽  
Performance Style ◽  
Moisture Performance ◽  
Heat And Moisture

This paper studies the cool comfort performance of cool refreshing type fabric, starting from the fabric heat and moisture performance, style property and air permeability, using fuzzy comprehensive evaluation method, the principal component analysis and tactile methods to evaluate the fabric of the cool comfort performance, and statistical analysis of the correlation between physical indexes and cool comfort performance, get air permeability, moisture resistance, moisture rate and thermal resistance indexes can be used as the physical indexes of cool refreshing type fabric of cool comfort performance; at the same time, studies show that the test method can accurately reflect the cool refreshing type fabric of cool comfort performance is a subjective and objective evaluation method of combining.

Study on Quality Evaluation System for Arterial Highways Based on Fuzzy Comprehensive Evaluation

2013 ◽  
Vol 438-439 ◽  
pp. 1952-1957
Author(s):  
Jie Li ◽  
Shao Wei Yang
Keyword(s):  
Evaluation System ◽  
Evaluation Method ◽  
Comprehensive Evaluation ◽  
Fuzzy Comprehensive Evaluation ◽  
Objective Evaluation ◽  
Evaluation Index System ◽  
Analytic Hierarchy ◽  
Expert Evaluation Method ◽  
Set Up ◽  
Quality Evaluation System

In this paper, the preliminary study of fuzzy comprehensive evaluation for arterial highway is made, the multi-level evaluation index system is set up, the process and formula of fuzzy comprehensive evaluation are proposed, and the practical application is explained by examples. To evaluate the highway engineering feasibility study, some methods are applied such as fuzzy comprehensive evaluation, analytic hierarchy process, expert evaluation method, etc. Thus it provides objective evaluation for the related management department to achieve the goal of improve the quality of highway preliminary work.

Performance Evaluation of Sustainable Supply Chain Based on AHP and Fuzzy Comprehensive Evaluation

2010 ◽  
Vol 26-28 ◽  
pp. 1004-1007
Author(s):  
Yong Hua Guan ◽  
Hai Fang Cheng ◽  
Yong Ye
Keyword(s):  
Supply Chain ◽  
Performance Evaluation ◽  
Development Strategy ◽  
Evaluation Method ◽  
Comprehensive Evaluation ◽  
Rapid Development ◽  
Fuzzy Comprehensive Evaluation ◽  
Supply Chain Performance ◽  
Sustainable Supply Chain ◽  
Future Production

Due to limited materials and energy, more attention has been paid to the adverse impacts of the global economy’s rapid development on the environment and society. The sustainable and long-term development strategy becomes extremely urgent and important for the enterprises. Manufactures and their supply chain should take measures to implement sustainable development strategy in future production. The concept of sustainability is introduced into the field of supply chain and the structure of sustainable chain is constructed in this paper. And a method of sustainable supply chain performance evaluation is proposed. It evaluates the supply chain performance in four dimensions, namely, operational, financial, social and environmental dimensions. Then a performance evaluation model of sustainable supply chain based on AHP and fuzzy comprehensive evaluation method is established. This paper gives a case to evaluate the sustainable supply chain performance with the model and implications are given finally.

scholarly journals Functional Investigation on Automotive Interior Materials Based on Variable Knitted Structural Parameters

Polymers ◽  
2020 ◽  
Vol 12 (11) ◽  
pp. 2455
Author(s):  
Mao Siyao ◽  
Su Liu ◽  
Zhang Peihua ◽  
Long Hairu
Keyword(s):  
High Performance ◽  
Evaluation Method ◽  
Comprehensive Evaluation ◽  
Structural Parameters ◽  
Rapid Development ◽  
Fuzzy Comprehensive Evaluation ◽  
Air Permeability ◽  
Major Market ◽  
Technical Textiles ◽  
Automotive Interior

With the rapid development of technical textiles, more and more researchers have focused on developing high performance textiles to meet various needs. The automotive industry is a major market for technical textiles. Compared to other types of fabric, weft-knitted fabric has good extensibility and elasticity, as well as a hand-feel, and it is gradually becoming the preferred type of interior fabric for automobiles. This paper aims to develop an automotive fabric with good comfort and durability. Sixteen types of weft-knitted fabrics with eight different structures and two different materials (draw textured polyester and textured polyamide yarn) were fabricated using a computerized flat knitting machine. Their durability and level of comfort were examined by measuring the tensile and tear strengths, abrasion resistance and air permeability. A fuzzy comprehensive evaluation method was employed to compare the comprehensive properties of the fabric. The results indicated that the overall performance of DTPA fabric was better than DTPE fabric, and an optimum structure was selected for an automotive interior. Meanwhile, we found that the air permeability of the fabric could be increased by using tuck stitches and that the strength and dimensional stability of fabric could be increased by adding tuck stitches and weft-insert yarns. The findings contribute to the field of technical textiles and provide ideas for the development of high-performance textiles.

Evaluation Method of Talents Comprehensive Skills on Japan-Oriented Software Outsourcing

2013 ◽  
Vol 791-793 ◽  
pp. 2192-2195
Author(s):  
Xiao Ji Chen ◽  
Jing Zhong Liu ◽  
Xia Peng
Keyword(s):  
Evaluation Method ◽  
Comprehensive Evaluation ◽  
Rapid Development ◽  
Fuzzy Comprehensive Evaluation ◽  
Evaluation Index System ◽  
Fuzzy Evaluation ◽  
Fuzzy Comprehensive Evaluation Method ◽  
Software Outsourcing ◽  
Comprehensive Evaluation Method ◽  
Actual Application

With the rapid development of Japan-oriented software outsourcing, the demand for talent of computer science is increasing, reasonably making evaluation of talents comprehensive skills on Japan-oriented software outsourcing is important. This paper use fuzzy comprehensive evaluation method to research. First, show the evaluation index system and the weight of references; Then, the establish mathematical models of fuzzy evaluation, including single indicators of fuzzy evaluation and fuzzy comprehensive evaluation; The results of this research have the following characteristics, comprehensive consider various factors, objectively reflect the actual situation, simply use, evaluate accurately and reasonably, and in actual application, people should use evaluation method flexibly.

Evaluation System of the Portable Pilot System Based on Fuzzy Comprehensive Evaluation

2012 ◽  
Vol 622-623 ◽  
pp. 112-116
Author(s):  
Yong Jun Wu ◽  
Guo Jun Peng ◽  
Xing Gu Zhang
Keyword(s):  
Evaluation System ◽  
Evaluation Method ◽  
External Factor ◽  
Comprehensive Evaluation ◽  
Fuzzy Comprehensive Evaluation ◽  
Assessment System ◽  
Human Influence ◽  
Comprehensive Evaluation Method ◽  
Digital Evaluation ◽  
Potential Risks

The appearance of pilotage system has brought unprecedented convenience and innovation to ship pilotage. however, these systems also brought some potential risks, such as the limitations of these data timeliness, reliability, stability of the system and so on. Pilotage is a system engineering ,which related to both human influence and external factor .A sole factor is likely to generate enormous losses, safety is most important part of pilotage. In order to ensure the safety of the ship’s pilotage .Comprehensive assessment of the pilotage system is necessary, of the ship. Forthputting the fuzzy comprehensive evaluation method,this paper establish the assessment system, and take comprehensive performance assessment of the pilot system, which entitled us a digital evaluation of the pilot system.

Sign in / Sign up

Export Citation Format

Share Document