一种基于3D-BN-VGG网络的行为识别算法

针对当前人体行为识别准确率低、计算量大等缺陷，提出了一种基于三维卷积神经网络（3D Convolutionnal Neural Network，3D-CNN）结合批量归一化（Batch Normalization，BN）及改进的视觉几何组(Visual Geometry Group,VGG)网络的行为识别算法。该算法首先对3D-CNN结构进行优化，在三维空间采用了多个小卷积核卷积层堆叠的Block结构；同时在网络结构中引入BN算法，将卷积层输出的特征图每一维进行独立的批量归一化处理；之后在Block结构中增加了Dropout层以提高网络泛化能力以及将3D-CNN网络层数加深到了13层，提高了高层次抽象特征的提取能力；最终使用softmax进行分类得出结果。实验结果表明所设计的3D-BN-VGG网络在行为识别方面有较高的识别率。     

一种基于R3D网络的人体行为识别算法

现有的行为识别算法不能充分地提取抽象的行为特征，为此提出了基于三维残差卷积神经网络（3D Residual Convolutional Neural Network，R3D）的人体行为识别算法。该网络在三维卷积神经网络（3D Convolutional Neural Network，3D-CNN）基础上加入了残差模块，可以更好地提取时空域的特征，然后通过改变步长大小进行特征图降维，提高网络效率，并加入批量归一化层和Softplus激活函数，提高网络的收敛速度和拟合能力；之后添加Dropout层，降低过拟合风险，并且使用全局平均池化层(Global Average Pooling，GAP)代替全连接层，克服了网络参数量过大的问题；最后，使用Softmax进行分类。实验结果表明，使用R3D网络在HMDB-51数据集上获得了62.3%的识别率。     

一种基于3D-CNN的微表情识别算法

微表情是一种持续时间很短暂的面部表情。针对其识别率低的问题，提出了一种基于三维卷积神经网络（3D Convolutionnal Neural Network，3D-CNN）的微表情识别算法。使用Keras作为网络框架，在3D-VGG-Block(3Dimension Visual Geometry Group Block,3D-VGG-Block)的基础上加入批量归一化算法以及丢弃法，提升网络深度与训练速度的同时有效地防止过拟合；针对数据集稀少的问题，采取随机设置起始帧的位置，提前设定每次读取帧序列的长度，循环操作，在将所有数据均遍历的同时，达到数据增广的目的。该算法在CASME II数据集上的识别率最高达68.85%，在识别率上有一定优势。     

基于分离卷积的战场目标聚集行为识别

针对大部分行为识别算法效率较低，难以应对大规模影像识别任务的问题，一方面，提出一种结合双流结构与多纤维网络的双流多纤维网络模型，分别以RGB序列、光流序列为输入提取视频的时空信息，然后将两条支路网络的识别结果进行决策相加，提高了对战场目标聚集行为的检测效率与识别准确率；另一方面，提出一种结合分离卷积思想与多纤维网络的双流分离卷积多纤维网络模型，进一步提高网络检测效率与抗过拟合能力。实验表明，在建立的情报影像仿真数据集中，上述算法能够有效识别出战场目标聚集行为，在大幅提升检测效率同时实现了识别准确率的提升。     

基于改进AlexNet卷积神经网络的人脸表情识别

为了解决传统卷积神经网络用于人脸表情识别准确率不高的问题，提出了一种基于改进深度AlexNet卷积神经网络的表情识别方法。该方法基于AlexNet网络的基本结构，采用单图形处理单元（Graphics Processing Unit，GPU）进行训练，减少了两层卷积层和一层全连接层，在每层卷积层后加上批标准化（Batch Normalization，BN）代替原来的局部归一化，并在全连接层后加上Dropout正则化进一步防止过拟合。与AlexNet模型相比，改进的网络结构更简单、复杂度低、参数量少，可以节省大量模型训练时间进行快速预测，且更不易过拟合，同时加快了模型收敛速度，提高了网络泛化能力。在Fer2013数据集以及CK+数据集上进行实验，结果表明，所提方法分别得到了68.85%和97.46%的识别率，较其他人脸表情识别方法的识别率有一定提高。     

一种基于深度学习的交通标志识别新算法

针对特定场景交通标志精度低与识别速度慢的问题,基于交通标志边缘信息与卷积神经网络,提出了一种交通标志图像识别T-YOLO算法。该算法基于YOLOv2算法检测思想,融合残差网络、卷积层填充0等结构,下采样舍弃池化层改用卷积层,并提取边缘信息与上采样以提升精度,设计7层特征提取网络以缩短识别速度,随后使用Softmax函数归一化实现多分类,并采用批量归一化、多尺度训练等方法缩短训练时间。实验表明,该算法真实有效,图形处理单元（Graphic Processing Unit,GPU）平台上最快检测速度13.69 ms/frame,每帧缩短9.51 ms,最高平均准确率97.3%,提高7.1%,满足实时高精度识别要求。与其他算法相比,该算法在交通标志识别速度与精度方面均有大幅提高,更加适用于现实场景,更贴近车载嵌入式系统。     

分离通道联合卷积神经网络的自动调制识别

针对通信信号的自动调制识别需要大量特征提取的问题,提出了一种分离通道卷积神经网络自动调制识别算法。该算法通过结合深度学习中卷积神经网络(CNN),分别提取时域信号的多通道和分离通道调制特征,再利用融合特征实现不同信号的分类。仿真结果表明,相比基于CNN的算法,所提算法在高信噪比下针对两个数据集的识别率分别提升7%和18%;此外,相比于基于特征提取的传统识别算法,其高阶调制识别性能平均提升3 dB。     

一种基于视觉感知的舰船目标智能化识别方法

为有效识别视觉系统采集的可见光图像中的舰船目标，提出了基于YOLO（You Only Look Once）网络模型改进的10层的卷积神经网络（Convolutional Neural Network,CNN）用于水面舰船目标的智能识别，通过反卷积的方法可视化CNN中不同卷积层提取到的舰船目标特征。按照传统目标识别方法提取了舰船目标的四类典型人工设计特征，将所提CNN的舰船目标识别结果与YOLO网络模型及四类人工设计特征结合支持向量机用于舰船目标识别的结果进行比较。实验结果表明，与YOLO网络模型相比，综合精确率、召回率和效率3个舰船目标识别的性能指标，改进后的CNN性能更好，从而验证了所提方法的有效性。不同数据量下采用典型特征识别舰船目标与基于深度CNN识别舰船目标的识别结果比较说明了不同类型目标识别算法的优劣势，有利于推动综合性视觉感知框架的构建。     

基于角度距离损失与小尺度核网络的表情识别

针对人脸表情类内差异大、类间相似度高导致识别率低的问题，提出了一种基于角度距离损失与小尺度核网络的表情识别方法。网络基于3×3卷积核，在网络中加入融合空间金字塔注意力的点积残差块，引入Dropblock正则化，并提出了低层特征掩膜化。该模型低层特征具备高层特征的语义信息，而且参数量较少，结构简单有效。训练时，使用提出的基于角度距离损失函数监督神经网络学习，提高了网络的类间特征分离和类内特征聚类的特征判别能力。实验结果表明，该方法在CK+和FER2013数据集上识别准确率分别达到了97.88%和72.81%，具有较强竞争力。此外，消融实验表明所提出的改进方法可提高表情识别率，进一步验证了其有效性。     

一种基于CNN与LSTM结合的微表情识别算法

微表情表现强度微弱且非常短暂。针对微表情识别效果不理想的问题，以视觉几何组（Visual Geometry Group，VGG）网络为基础，提出卷积神经网络（Convolutionnal Neural Network，CNN）与长短期记忆网络（Long Short-Term Memory，LSTM）结合的识别算法。CNN提取数据集CASME II的空域特征，LSTM处理时域特征，实现空域与时域特征的结合。针对深度学习训练困难以及过拟合问题，加入批量归一化算法与丢弃法，提高网络训练速度，有效防止过拟合。针对数据集稀缺的问题，固定每次读取帧序列的长度，随机生成起始帧的位置，不断循环读取以遍历整个数据集并达到数据扩增。根据实验结果，五类微表情(高兴、惊讶、厌恶、抑郁、其他)识别率最高可达72.3%。     

Universal Coverage, Pinpoint Illustration and Profound Impact HTC 2008 Intermedia Recommendation and Introduction Meeting

Holding 88 percent of train media resources across China, based on "Time Cube", on the 2008 Intermedia Recommendation and Introduction Meeting on December 19, 2007, HTC announced its high-profile strategy of tour marketing and tapping the immeasurable potentials on the train. Meanwhile, HTC officially launched its brand new product Olympic Train on the meeting, providing a fabulous platform for all the brands that are prepared to do a smart marketing on the occasion of 2008 Olympic Games.     

Market presence in China strengthened Network growth and Dual-Chinese-Hub Strategy More frequet Flyer Benefit——Air China and shanhai Airlines Join Star Alliance

In the end of 2007, Air China Limited (hereinafter "Air China") and Shanghai Airlines, formally joined Star Alliance at a ceremony held in the new Terminal Three at Beijing Capital International Airport. With the addition of the two Chinese airlines, Star Alliance now has 19 member carriers operating 17,000 daily flights to 897 destinations in 160 countries.     

Brown＇s Blossom in Britain-China

The overall strategic relationship between U.K. and China is ＂better than ever＂, China- Britain relations have maintained good momentum, with increased high-level exchanges and the reinforcement of strategic mutual trust, with more room for growth in the future.     

Challenge and Opportunity Go Hand in Hand——What Global Economic Agitation Brings to the China's Economy?

Domino effects of the global finance agitation As the origin of the subprime crisis,US financial institutions lost USS45 billion last year,accounted for over half of the total US,EU & Japan loss.Since January 15th,Chtigroup released its financial statement of the 4th quarter,showing a net deficit of USS9.83 billion,which marked the hisoric high of its quarterly deficit.     

A World of Love 2008 Music Grand Ceremony

Under the guidance of the theme slogan of the 29th Olympic Games - One World One Dream, with dream, love and dedication as its theme, the 2008 Music Grand Ceremony ＆ 1000 People Charity Concert on 100 days cotmtdown to Paralympic Gamesis officiaily launched on December 22, 2007. The 2008 Music Grand Ceremony is sponsored by China Disabled Persons＇ Federation, and co-hosted by National Paralympic Committee of China,     

China''''s National Oil Reserve Center was Born

Aseries of events that occurred in October 2007, are rewriting the history of China's energy industry: November 3 an Energy Law Committee asked the public for suggestions on improvements; forty top experts came together to form the National Energy Expert Advisory Committee on November 6; and the National Oil Reserve Center (NORC)became the nerve centre of oil reserves on November 18. Yet, behind the progress of these recent activities remains the fact that international oil prices still hover around a very high price of US$ 90/barrel, and China's oil imports are close to accounting for half of its total oil reserves.     

MUYANG GROUP

With its headquarters in the historic city of Yangzhou,Jiangsu Muyang Group Co.,Ltd has since its founding in 1967 grown into a well-known group corporation whose activities cover research ＆ development,project design,manufacturing,installation and services in a multitude of industries including feed machinery and engineering,storage engineering,grain machinery and engineering,environmental protection,conveying equipment and automatic control systems.     

2007 China Harbor Ten People

2007 China Harbor Ten People elected the entrepreneurs who contributed a lot to port economy and enterprises this year trough their talent management.These ten people embody their social responsibility,professional skills,creative ability,and charming personality.Bearing full confidence in China＇s port economy,the port entrepreneurs are brave enough to explore a brand new area,so as to promote harbor economic development. At the very beginning of 2008,China Shipping Website,Dalian Maritime University,and China Port and Shipping In- stitute jointly select the 2007 China Harbor Ten People,demonstrate port entrepreneurs＇ stunning minds,disclose their secrets to success,and providing abundant experiences to others in harbor development.The top ten people are various excellence during the ups and downs harbor development.     

Sony Style in China

Since the normalization of the diplomatic ties between China and ） Japan, the bilateral economic relations have deepened continually. According to the statistic of Japan, China passed U.S. to become Japan＇s top trade partner as well as is the second largest export market for Japan and is the largest import resource for Japan. Japan companies such as Mitsui, Sumitomo, Sony and Panasonic, have set the subsidiaries in China and explored their scales. This year 2008 marks the 30th anniversary of the signing of the ChinaJapan Treaty of Peace and Friendship.     

China''''s Stock Market Wave

The annual meeting of the World Economy Forum was held in Davos,a little town in Switzerland,on January 23rd to the 27th this year,with the theme"the Power fo Collaborative Innovation",over 2500 celebrates from ture political and cconomic circles of more than 80 countries and challengred logether to talk about the future of the global economy in 2008,A Forum for the problems and challenges that face whole world,some of the keywords which drew attention during the event were:the U.S.subprime mortgage crisis,soaring energy prices,the economic slowdown in the U.S.ermerging economic bodies,authority funds and the general unpredictable nature of the global economy.