高师声乐教师如何弹好钢琴即兴伴奏

钢琴即兴伴奏是声乐活动中不可缺少的艺术形式，由于它不受伴奏谱的限制，具有灵活、实用、服从于弹奏者个人弹奏技术和伴奏习惯等基本特点，在声乐教学、演唱等活动中得以广泛应用，因此，利用自身的弹奏技术，把即兴伴奏弹好也是每个声乐教师必备的一项专业技能。     

闽江沿岸景观三维重现研究

以4D数据为基础,利用三维地理信息系统软件IMAGIS,通过数据预处理、三维建模、纹理映射、三维场景生成等过程,建立了福州滨江景观三维可视地理信息系统.该系统具有数据集成管理、信息查询分析、规划方案比较、规划方案三维预评价以及成果输出等功能.并提出系统建立过程中应注意的问题,如DEM格网大小设置、模型数据量控制、避免多面重合以及设置纹理存放路径等.     

Multiwavelets domain singular value features for image texture classification

A new approach based on multiwavelets transformation and singular value decomposition (SVD) is proposed for the classification of image textures. Lower singular values are truncated based on its energy distribution to classify the textures in the presence of additive white Gaussian noise (AWGN). The proposed approach extracts features such as energy, entropy, local homogeneity and max-min ratio from the selected singular values of multiwavelets transformation coefficients of image textures. The classification was carried out using probabilistic neural network (PNN). Performance of the proposed approach was compared with conventional wavelet domain gray level co-occurrence matrix (GLCM) based features, discrete multiwavelets transformation energy based approach, and HMM based approach. Experimental results showed the superiority of the proposed algorithms when compared with existing algorithms.     

More efficient ground truth ROI image coding technique： implementation and wavelet based application analysis

In this paper, more efficient, low-complexity and reliable region of interest (ROI) image codec for compressing smooth low texture remote sensing images is proposed. We explore the efficiency of the modified ROI codec with respect to the selected set of convenient wavelet filters, which is a novel method. Such ROI coding experiment analysis representing low bit rate lossy to high quality lossless reconstruction with timing analysis is useful for improving remote sensing ground truth sur- veillance efficiency in terms of time and quality. The subjective [i.e. fair, five observer (HVS) evaluations using enhanced 3D picture view Hyper memory display technology] and the objective results revealed that for faster ground truth ROI coding applications, the Symlet-4 adaptation performs better than Biorthogonal 4.4 and Biorthogonal 6.8. However, the discrete Meyer wavelet adaptation is the best solution for delayed ROI image reconstructions.     

工业产品造型设计的形体构成

工业设计是以人为中心的设计,其造型的形体构成,归纳起来有两类,一是自然与人为形态的再造;二是运用立体构成原理进行的形体创造。设计不再是创造个体产品,而应是对人类生态系统的规划。     

医学图像三维重建

在传统的方法中医生往往是根据胶片或者数字形式的二维图像,依靠＂在头脑中进行三维对象重现＂来进行分析和诊断。文章研究医学图像三维重建技术——通过对具有空间特征的医学对象在静态或动态三维空间中进行处理,以视觉信息的形式充分反映出医学对象中丰富的隐含信息。分别从基于体素和基于表面两个方面研究医学图像三维重建技术的算法和原理,并从实现结果对两种方法进行分析比较。     

Construction of an Inexpensive Response Timer

Abstract

The previous paper by Professors Hutton and Doolittle uses a rather controversial methodology for evaluating electromyography signals. Of course one of the purposes of “Research Notes” is to publish approaches that are non-traditional. However, I felt it was important to identify questions that might be raised about Hutton and Doolittle's methodology. Thus, I requested the following short response by Professor Yates and then a response by Hutton and Doolittle. I invite additional responses to either Hutton or Doolittle and Yates.

Jerry R. Thomas

Editor-in-Chief     

基于城市历史景观角度的襄阳市古襄阳城保护研究

摘要：城市历史景观遵循城市在时空上的演进规律,认为城市是文化和自然价值在历史上的层积,是种兼具文化传承和经济适应性的可持续城市保护方法。探讨城市历史文化景观在古城保护内涵的基础上,结合襄阳古城保护研究,从城市肌理形态与空间格局保护与延续、历史文化景观要素系统构建和动态发展研究三方面探讨了古襄阳城的保护方法,旨在探寻一条在高速城市化建设背景下城市规划历史文化遗产可持续发展的生存途径。     

基于JND和AR模型的感知视频编码方法(英文)

为了达到减少比特数同时保持画面质量的目的,提出了一种基于最小可视失真(JND)和自回归(AR)模型的感知视频编码方法.首先,设计了基于JND的纹理分割算法,建立了空时JND模型,以MB为基本单元,通过计算其JND能量并与阈值做比较,用以分割出视频序列中的纹理区域.然后,开发了AR模型来合成纹理区,在使用最小二乘法计算出AR模型的参数后,用相邻的前后参考帧对应像素的线性插值来生成重构像素.最后,为了检验所提方法的效果,将其与H.264/AVC视频编码系统做比较,用不同的视频序列实验来验证所提方法的有效性.实验结果显示,对于具有不同纹理特点的实验序列,所提方法可以在保持感知质量的同时将比特率减少15%～58%.     

略论工笔花鸟画的装饰美

工笔花鸟画的显著特征之一是装饰美,装饰美对于工笔花鸟画具有独特的审美意义。其美感的体现主要通过色彩、线条、造型、构成、肌理等方式传达。工笔花鸟画的发展,应立足于传统中国画艺术,融合东西方艺术,拓展工笔花鸟画更加广阔的表现领域,使其更具时代风貌。