Sensory Evaluation in Characterization of Fabric Hand

IntroductionThefabrichand(touchfeelingofafabric),relatedtotheconceptofcomfort,styleandappearance,isanessentialsalesargumentofagarment.Tosatisfywiththemarketrequirements,manufacturersintextileindustryproducenewmaterialswithdifferenttouchfeelings.However,theevaluationofthisattributeisstillnotsolvedduetoitscomplexity.Inthetextile/garmentindustry,fabricevaluationisperformedintwoways:1)subjectiveevaluation;and2)objectiveevaluation.Thesubjectiveevaluationisthesubjectivefeelingwhenexpertsortrainedpa…     

Evaluation of Fabric Hand with Grey Element Model

A premium composite grey element model is established and used for objective evaluation of fabric hand. Fabric hand is regarded as a grey system and the model is composed of falbric mechanical properties, which are primary hand attributes. Based on comparison with a standard model, fabric hand can be objectively evaluated.     

织物风格评价的灰色研究

对于织物风格评价这一灰色系统的评价问题,可以用灰色关联分析的方法来评价织物风格的优劣,评价仿真织物的近似程度,并可用灰色关联度作为风格值的量值。另外,还可用构造造近优复合灰元模型求解近优良的方法来评价织物。     

应用图像分析技术评估织物起球等级

探讨了应用图像分析技术对织物起球进行客观的等级评估.首先介绍了应用Wold分解纹理模型从织物图像中分离出毛球信息,然后对提取的毛球信息进行阈值化处理,再以毛球的面积百分比、总数和分布等三个特征指标对起球等级进行客观评估.运用上述技术途径对素色、印花及色织的简单与复杂组织等7种织物样品进行起球等级的客观评估,结果与专家的人工主观评定极为吻合.     

感知模式对织物柔软性评价结果的影响

目前在织物柔软性的感官评价中,没有讨论感知模式(感觉模态和触摸方式)对评价结果的影响,导致评价结果间没有可比性,且评价方法难以标准化.通过让实验者在不同感觉模态(触觉单模态、视觉单模态和触视觉双模态)和触摸方式(捏持弯曲、弯曲按压和平置按压)下感官评价织物样品,对结果进行多元统计分析,讨论感知模式对织物柔软性感官估值的影响及不同感知模式之间的差异.研究表明,总体上感知模式对织物柔软性的影响不显著,但不同的触摸方式对较厚且压缩性好的织物影响显著;而对薄且弯曲刚度高的织物,柔软感估值在视觉单模态和触觉环境之间有显著差异.另外,就任一织物样品而言,全体实验者对其柔软感强度估值服从正态分布规律.研究结果为织物柔软感评价体系的完善提供依据.     

织物风格的灰元模型评价

对于织物风格评价这一灰色系统的评价问题,可以构造近优复合灰元模型,靠求解近优度的方法来评价织物。     

李克特量表的统计学分析与模糊综合评判

针对传统统计分析方法处理李克特量表数据的局限性以及量表评语等级的模糊性,采用统计学分析与模糊综合评判相结合的方法分析量表,用因子分析所得方差贡献率作为二级评判的权重向量,既可了解群体的综合态度总分及其分布,又可直观地得出群体态度的归属等级和各等级态度所占比例。通过对应用实例的研究,证明了该方法的可行性和有效性。     

织物的基本物理力学量及其与风格的关系

能够比较全面地科学地反映出织物风格差异的物理力学参数是织物风格客观定量评价的着急估 织物的综合风格－基本风格－基本物理力学指标之间关系的基础上，认为基本风张对综合风格的影响顺序是ＮＵＭＥＲＩ、ＦＵＫＵＲＡＭＩ、ＫＯＳＨＩ。     

Study and Application of Objective Evaluation Model on Fabric Style

Based on 31 fabric property parameters tested by FAST test system and other test instruments, the principal factors of fabric style are obtained through the principal factor analysis method and computer program. According to the correlation between each parameter and principal factor,the selected positive or negative coefficient, the objective evaluation model of fabric style bas been established based on the percentage of variance. And wool fabrics have been taken for example to show how to use the objective evaluation model for fabric design.     

织物手感的认知原理及其研究

织物手感是纺织品十分重要的性能之一．经过近一个世纪的研究，随着科学技术的发展，对织物手感的表征和评价取得了不少成果．但由于人们对大脑认知行为的认识尚不成熟，对织物手感的神经认知原理还处于探索阶段，导致对织物手感形成机制的理解不深入，从而限制了该方面研究的进展．通过分析织物手感形成的生理基础，归纳了探索织物手感方面的研究工作，试图从认知心理学角度澄清以往在该领域研究工作的模糊认识，分析传统上从认知心理学角度研究织物手感认知属性空间的不足．同时，结合认知神经科学最新的研究结果，寻求织物手感定量表征的发展方向．     

基于优化RBF神经网络的丝织物缝纫性能客观评价

提出了一种基于优化RBF神经网络的丝织物缝纫性能客观评价系统.该系统根据丝织物面料的FAST力学指标与缝纫性能之间的关系,运用神经网络的方法进行面料缝纫性能评价和预测,并提出了一种基于模糊核聚类的优化径向基神经网络学习算法.实验表明,该系统对一般丝型织物的缝纫平整性能评价预测具有客观、快速和高效等优点.     

A Review of the Application of Computer Vision to the Inspection and Assessment of Textiles Apparent Properties

IntroductionComputervision,alsocalledmachinevision,isthekindoftechnologyusedfortheidentification,trailing,measurementandevaluation,etc.,oftheobjectsthroughthesubstitutionofcameraandcomputerforhumanvision.Stimulatedbyboththerapidprogressofthecomputerindustryandthedevelopmentofvariousdisciplinesofartificialintelligence,suchasimageanalysis,parallelprocessingandneuralnetwork,etc.,computervisionsystemsarebecomingmoreandmorepracticableandbeingusedintheresearchofagreatdealofcomplicatedvisionprocess,h…     

纺织品感官评估的进展与展望

在纺织工业生产中，对纺织品质量进行评估是非常重要的环节，由于传统的感官评估和客观评估存在自身的缺陷在实际应用中受到限制。当前的研究方法是将感官评估与客观评估结合起来。因为评估得更加有效、合理，现在已成为各个行业研究的热点。为了感官评估更好地应用，本文对以往的研究成果作了系统全面的回顾与总结。同时指出了其进一步研究的方向。     

Application of Rough Sets to Evaluate Fabric Smoothness Grade

For garment or fabric appearance, the cloth smoothness grade is one of the most important performance factors in textile and garment community. In this paper, on the base of Rough Set Theory,a new objective method for fabric smoothness grade evaluation was constructed. The objective smoothness grading model took the parameters of 120 AATCC replicas' point-sampled models as the conditional attributes and formed the smoothness grading decision table. Then, NS discretization method and genetic algorithm reduct...     

酿酒葡萄理化成分因子分析

酿造优质葡萄酒与原料葡萄品质有重要的关系,对酿酒葡萄质量的评价,传统的人为感官评价方法主观性强,且不适合大批量产品评价,理化指标是酿酒葡萄品质评价的有效依据.以红色酿酒葡萄为例,应用主成分分析方法对其理化指标进行因子分析,选取评价指标的主成分,经因子旋转后确定葡萄品质理化评价指标.     

Dependence of Softness on Fabric Surface Quality and Compressibility

The term ＂softness＂ is loosely used to describe the physical as well as sensory attributes of fabric and other textiles, and several psychophysicai evaluation methods as well as its predicting equations exist. However, the information for physiological mechanism of fabric softness is lack. To explain the blomechauical and the potential neurophysiologicai phecnomenon for exploring fabric softness, accompanying to the procedures in manual exploration for softness and the anatomical multllayor structures of human finer, a contact finite dement （FE） model between finger and fabric is made to conduct an active contact analysis. In present FE model, the effect of surface friction index, compression modulus, Poisson＇s ratio of fabric on softness dlscrimination is Investigated. The interests are in the contributlons of these fabric property variables to contact area, Interracial friction shear stress and contact pressure distributions, which arc significant cognitive variables or stimulus parameters in peripheral neural levels. The mechanistic data for fabric specimens indicates that the basis for the perception of softness of flexible and bulk fabric is likely on the spatial variation of pressure on the skin （or, equivalently the skin displacement and its derivatives） resulting from surface friction phenomenon and compression property of fabric. In present model, however, the effect of Poisson＇s ratio on the total force exerted by fingertip is not significant statistically. Therefore, compression modulus of fabric is, not the only underlying physical variable accounting for peripheral neural response, and also the surface friction phenomenon plays an important role in feeltouch softness of fabric, i.e. the compressibility and surface properties of fabric arc the necessary physical variables involved for the haptic rendering of its softness.     

评价织物风格理论的研究进展

本文对近十多年来发表的研究织物风格客观评定方法的论文作了系统评述：指出了织物风格感官评定方法已不能适应我国纺织工业发展的需要；介绍了以川端季雄为首的日本织物风格评价和标准委员会（HESC）研制的一整套织物风格测试仪（KES系统），建立了引人注目的织物风格鉴别分类方法；强调了我国学者在织物风格研究中所作的贡献，对在工业生产上推广应用寄于期望。     

建成环境评价在多方参与型城市规划中的应用

提出了基于计算机信息技术的辅助评价系统．在已有的建成环境主观评价模型基础上，通过计算机程序完成数据分析与图形显示，将客观环境状况以及居民评价结果发布给规划部门、市民、研究人员等各参与方．此系统可作为公众参与城市规划的操作平台，为更大规模、更高效率地多方参与城市规划提供技术支撑．     

SAR有源压制干扰抑制效果评估方法研究

合成孔径雷达(SAR)是对地观测和军事侦察的重要手段,但SAR非常容易受电子干扰的影响.SAR干扰技术的发展也促进了抗干扰技术的发展,现代SAR系统往往采用多种抗干扰技术.干扰抑制效果的评估是衡量一种抗干扰方法有效性以及SAR系统抗干扰性能的一项综合性指标.本文针对有源压制干扰,将干扰抑制效果评估方法划分为主观评估方法和客观评估方法.对于主观评估方法,引入了图像质量等级改善因子的概念,提出了基于图像质量等级评估标准的主观评估法,该方法可以在一定程度上降低主观评估结果的随机性和主观性.对于客观评估方法,研究了基于回波能量的评估方法和基于图像质量指标的评估方法,给出了具体的评价指标,可以客观、定量的对干扰抑制效果进行评估.最后分别采用点目标和面目标对客观评估方法进行了仿真验证,结果表明了方法的可行性和有效性.     

Computer Assisted Designing System for Hands and Formability of Worsted Fabrics

Equations that can predict worsted fabrics‘ properties such as bending, shearing, compression, surface and tension,were achieved by means of theoretical and experimental studies. By combining these equations with Kawabata‘s hand and silhouette evaluation methods, a software system was established. Then the mechanical properties, hand and silhouette of a fabric can be predicted quickly and accurately in terms of fiber configurations, yarn and fabric structures.The predictive result if unsatisfied can be revised by the function of “Help for designing modification“.