Proceedings of the 19th ACM international conference on Multimedia最新文献

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Scenic photo quality assessment with bag of aesthetics-preserving features 景观照片质量评估,具有美学保护功能
Proceedings of the 19th ACM international conference on Multimedia Pub Date : 2011-11-28 DOI: 10.1145/2072298.2071977
Hsiao-Hang Su, Tse-Wei Chen, Chieh-Chi Kao, Winston H. Hsu, Shao-Yi Chien
{"title":"Scenic photo quality assessment with bag of aesthetics-preserving features","authors":"Hsiao-Hang Su, Tse-Wei Chen, Chieh-Chi Kao, Winston H. Hsu, Shao-Yi Chien","doi":"10.1145/2072298.2071977","DOIUrl":"https://doi.org/10.1145/2072298.2071977","url":null,"abstract":"In this paper, an aesthetic modeling method for scenic photographs is proposed. A bottom-up approach is developed to construct an aesthetic library with bag-of-aesthetics preserving features instead of top-down methods that implement the heuristic guidelines (rule-specific features) listed in the photography literature, which is employed in previous works. The proposed method can cover both implicit and explicit aesthetic features with a learning process. The experimental results show that the proposed features in the library (92.06% in accuracy) outperform the state-of-the-art rule-specific features (83.63% in accuracy) significantly in the aesthetic quality assessment for scenic photos, and the rule-specific features are also proved to be encompassed by the proposed features. Meanwhile, it is observed from experiments that the features extracted for contrast information are more effective than those for absolute information, which is consistent with the properties of human visual systems.","PeriodicalId":318758,"journal":{"name":"Proceedings of the 19th ACM international conference on Multimedia","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133522213","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 78
Bilinear deep learning for image classification 用于图像分类的双线性深度学习
Proceedings of the 19th ACM international conference on Multimedia Pub Date : 2011-11-28 DOI: 10.1145/2072298.2072505
S. Zhong, Y. Liu, Yang Liu
{"title":"Bilinear deep learning for image classification","authors":"S. Zhong, Y. Liu, Yang Liu","doi":"10.1145/2072298.2072505","DOIUrl":"https://doi.org/10.1145/2072298.2072505","url":null,"abstract":"","PeriodicalId":318758,"journal":{"name":"Proceedings of the 19th ACM international conference on Multimedia","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131704598","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Automatic concept-to-query mapping for web-based concept detector training 用于基于web的概念检测器训练的自动概念到查询映射
Proceedings of the 19th ACM international conference on Multimedia Pub Date : 2011-11-28 DOI: 10.1145/2072298.2072038
Damian Borth, A. Ulges, T. Breuel
{"title":"Automatic concept-to-query mapping for web-based concept detector training","authors":"Damian Borth, A. Ulges, T. Breuel","doi":"10.1145/2072298.2072038","DOIUrl":"https://doi.org/10.1145/2072298.2072038","url":null,"abstract":"Nowadays, online platforms like YouTube provide massive content for training of visual concept detectors. However, it remains a difficult challenge to retrieve the right training content from such platforms since the underlying query construction can be arbitrarily complex. In this paper we present an approach, which offers an automatic concept-to-query mapping for training data acquisition from such platforms. Queries are automatically constructed by a keyword selection and a category assignment using ImageNet and Google Sets as external sources. Our results demonstrate that the proposed method is able to reach retrieval results comparable to queries constructed by humans providing 76% more relevant content for detector training than a one-to-one mapping of concept names to retrieval queries would do.","PeriodicalId":318758,"journal":{"name":"Proceedings of the 19th ACM international conference on Multimedia","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122522547","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Unsupervised fast anomaly detection in crowds 人群中无监督快速异常检测
Proceedings of the 19th ACM international conference on Multimedia Pub Date : 2011-11-28 DOI: 10.1145/2072298.2072042
Xiaoshuai Sun, H. Yao, R. Ji, Xianming Liu, Pengfei Xu
{"title":"Unsupervised fast anomaly detection in crowds","authors":"Xiaoshuai Sun, H. Yao, R. Ji, Xianming Liu, Pengfei Xu","doi":"10.1145/2072298.2072042","DOIUrl":"https://doi.org/10.1145/2072298.2072042","url":null,"abstract":"In this paper, we proposed a fast and robust unsupervised framework for anomaly detection and localization in crowed scenes. Our method avoids modeling the normal state of the crowds which is a very complex task due to the large within class variance of the normal target appearance and motion patterns. For each video frame, we extract the spatial temporal features of 3D blocks and generate the saliency map using a block-based center-surround difference operator. Then, motion vector matrix is obtained by adaptive rood pattern search block-matching algorithm and distance normalization. Attractive motion disorder descriptor is proposed to measure the global intensity of anomalies in the scene. Finally, we classify the frames into normal and anomalous ones by a binary classifier. In the experiments, we compared our method against several state-of-the-art approaches on UCSD dataset which is a widely used anomaly detection and localization benchmark. As the only unsupervised approach, our method outputs competitive results with near real-time processing speed","PeriodicalId":318758,"journal":{"name":"Proceedings of the 19th ACM international conference on Multimedia","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115955000","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 20
3D object retrieval with semantic attributes 基于语义属性的三维对象检索
Proceedings of the 19th ACM international conference on Multimedia Pub Date : 2011-11-28 DOI: 10.1145/2072298.2072442
Boqing Gong, Jianzhuang Liu, Xiaogang Wang, Xiaoou Tang
{"title":"3D object retrieval with semantic attributes","authors":"Boqing Gong, Jianzhuang Liu, Xiaogang Wang, Xiaoou Tang","doi":"10.1145/2072298.2072442","DOIUrl":"https://doi.org/10.1145/2072298.2072442","url":null,"abstract":"Humans are capable of describing objects using attributes, such as \"the object looks circular and is man-made\". Motivated by these high-level descriptions, we build a user-friendly 3D object retrieval system, where the user can browse the database and search for targeted objects using semantic attributes. The main advantage of our system is that it does not require the user to find or sketch a 3D object as the query for 3D object retrieval. Besides, to the best of our knowledge, our system has obtained the best retrieval performance on three popular benchmarks.","PeriodicalId":318758,"journal":{"name":"Proceedings of the 19th ACM international conference on Multimedia","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115994924","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Snap & play: auto-generate personalized find-the-difference mobile game Snap & play:自动生成个性化的finthe -difference手机游戏
Proceedings of the 19th ACM international conference on Multimedia Pub Date : 2011-11-28 DOI: 10.1145/2072298.2071921
Si Liu, Qiang Chen, Jian Dong, Shuicheng Yan, Changsheng Xu, Hanqing Lu
{"title":"Snap & play: auto-generate personalized find-the-difference mobile game","authors":"Si Liu, Qiang Chen, Jian Dong, Shuicheng Yan, Changsheng Xu, Hanqing Lu","doi":"10.1145/2072298.2071921","DOIUrl":"https://doi.org/10.1145/2072298.2071921","url":null,"abstract":"According to the year 2010 report of the Entertainment Software Association [5], 42% of USA heads of households reported playing games on mobile devices, rising quickly from the 20% in 2002 and bringing huge market for mobile games. In this paper, by taking the popular game, Find-the-Difference (FiDi), as a concrete example, we explore new mobile game design principles and techniques for enhancing player's gaming experience in personalized, automatic, and dynamic aspects. Unlike traditional FiDi game, where image pairs (source image vs. target image) with M different patches are manually produced by game developer and players may feel boring or cheat after practicing all image pairs, our proposed Personalized FiDi (P-FiDi) mobile game may be played under a new Snap & Play mode. The player may first take photos with one s mobile device (or select from one's own albums). Then, these photos serve as source images, and the P-FiDi system automatically generates the counterpart target images by sequential operations of aesthetic image quality enhancement, image patch and differentiating style joint selection, music adaptation, dynamic difficulty level determination, and ultimate automatic image editing with a rich set of popular differentiating styles used in traditional FiDi game. Finally, the player enjoys the unique gaming with one's own (instant) photos and music, and the freedom to have new gaming image pairs any time. The user studies show that the P-FiDi mobile game is satisfying in terms of player experience.","PeriodicalId":318758,"journal":{"name":"Proceedings of the 19th ACM international conference on Multimedia","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116696695","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
A home-based adaptive mixed reality rehabilitation system 基于家庭的自适应混合现实康复系统
Proceedings of the 19th ACM international conference on Multimedia Pub Date : 2011-11-28 DOI: 10.1145/2072298.2072456
Diana Siwiak, N. Lehrer, Michael Baran, Yinpeng Chen, Margaret Duff, T. Ingalls, T. Rikakis
{"title":"A home-based adaptive mixed reality rehabilitation system","authors":"Diana Siwiak, N. Lehrer, Michael Baran, Yinpeng Chen, Margaret Duff, T. Ingalls, T. Rikakis","doi":"10.1145/2072298.2072456","DOIUrl":"https://doi.org/10.1145/2072298.2072456","url":null,"abstract":"This paper presents an interactive home-based adaptive mixed reality system (HAMRR) for upper extremity stroke rehabilitation. This home-based system is an extension of a previously designed and currently implemented clinical system. The goal of HAMRR is to restore motor function to chronic stroke survivors by providing an engaging long-term reaching task therapy at home. The HAMMR system tracks movement of the wrist and torso, and provides real-time, post-trial, and post-set multimodal feedback to encourage the stroke survivor to self-assess his or her movement and engage in active learning of new movement strategies. This experiential media system uses a computational adaptation scheme to create a continuously challenging and unique multi-year therapy experience through the use of multiple, integrated audio and visual feedback streams. Novel design features include creating an over-arching story for the participant, the ability of the system to adapt the feedback over multiple time scales, and the ability for this system to integrate into any home.","PeriodicalId":318758,"journal":{"name":"Proceedings of the 19th ACM international conference on Multimedia","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116540208","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Optimal batch selection for active learning in multi-label classification 多标签分类中主动学习的最优批选择
Proceedings of the 19th ACM international conference on Multimedia Pub Date : 2011-11-28 DOI: 10.1145/2072298.2072028
Shayok Chakraborty, V. Balasubramanian, S. Panchanathan
{"title":"Optimal batch selection for active learning in multi-label classification","authors":"Shayok Chakraborty, V. Balasubramanian, S. Panchanathan","doi":"10.1145/2072298.2072028","DOIUrl":"https://doi.org/10.1145/2072298.2072028","url":null,"abstract":"Multi-label classification is a generalization of conventional classification, where it is possible for a single data point to have multiple labels. Manual annotation of a multi-label data point requires a human oracle to consider the presence/absence of every possible class separately, which involves significant labor. Active learning techniques are effective in reducing human labeling effort to induce a classification model. When exposed to large quantities of unlabeled data, such algorithms automatically select the salient and representative instances for manual annotation. Further, to address the high redundancy in data such as image or video sequences as well as the availability of multiple labeling agents, there have been recent attempts towards a batch mode form of active learning, where a batch of data points is selected simultaneously from an unlabeled set. In this work, we propose a novel optimization based batch mode active learning strategy to minimize human labeling effort in multi-label classification problems. To the best of our knowledge, this is the first attempt to develop such a scheme primarily intended for the multi-label context. The proposed framework is computationally simple, easy to implement and can be suitably modified to perform batch mode active learning in other formulations, such as single-label classification or problems involving hierarchical label spaces. Our results corroborate the efficacy of the proposed algorithm and certify the potential of the framework in being used for real world applications.","PeriodicalId":318758,"journal":{"name":"Proceedings of the 19th ACM international conference on Multimedia","volume":"67 4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116558646","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 22
Nonparametric bottom-up saliency detection using hypercomplex spectral contrast 使用超复光谱对比的非参数自下而上显著性检测
Proceedings of the 19th ACM international conference on Multimedia Pub Date : 2011-11-28 DOI: 10.1145/2072298.2071963
Ce Li, Jianru Xue, Nanning Zheng, Zhiqiang Tian
{"title":"Nonparametric bottom-up saliency detection using hypercomplex spectral contrast","authors":"Ce Li, Jianru Xue, Nanning Zheng, Zhiqiang Tian","doi":"10.1145/2072298.2071963","DOIUrl":"https://doi.org/10.1145/2072298.2071963","url":null,"abstract":"Saliency detection is an useful technique for image semantic analysis such as auto image segmentation, image retargeting, advertising design and image compression. Inspired by two existing saliency detection algorithms, named spectral residual (SR) and phase spectrum of quaternion Fourier transform (PQFT), we propose a new bottom-up saliency detection method which is featured with the introduction of hypercomplex spectral contrast (HSC) in saliency detection. The proposed HSC algorithm introduces the HSV color image vector space in hypercomplex number, and is better comprehensive to consider amplitude spectral contrast into saliency model as well as phase spectral contrast. Meanwhile, we also incorporate the human vision nonuniform sampling into our model, which is a common phenomenon that directs visual attention to the logarithmic center of image in natural scenes. Experimental results on two public saliency detection datasets show that our approach performs better than four state-of-the art approaches remarkably.","PeriodicalId":318758,"journal":{"name":"Proceedings of the 19th ACM international conference on Multimedia","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124124381","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Resource allocation for cloud-based free viewpoint video rendering for mobile phones 基于云的手机免费视点视频渲染的资源分配
Proceedings of the 19th ACM international conference on Multimedia Pub Date : 2011-11-28 DOI: 10.1145/2072298.2071983
Dan Miao, Wenwu Zhu, Chong Luo, Chang Wen Chen
{"title":"Resource allocation for cloud-based free viewpoint video rendering for mobile phones","authors":"Dan Miao, Wenwu Zhu, Chong Luo, Chang Wen Chen","doi":"10.1145/2072298.2071983","DOIUrl":"https://doi.org/10.1145/2072298.2071983","url":null,"abstract":"Free viewpoint video (FVV) / Free viewpoint TV (FTV) on mobile devices over cellular networks is very challenging due to the requirement for large bandwidth and limitations in computation and battery life on mobile phones. To address such challenges, in this paper we propose a cloud-based FVV / FTV rendering framework for mobile devices over cellular networks. In this framework, cloud performs rendering for mobile devices. In order to achieve maximum QoE (Quality of Experience) for mobile users, we propose a novel resource allocation scheme, which jointly considers rendering allocation between cloud and client based on user's QoE and rate allocation among texture, depth, and channel rate based on rate-distortion analysis. We formulate this resource allocation scheme as an optimization problem which can then be transformed into a convex optimization for the given rate ratio. Experimental results demonstrate that the proposed cloud-based FVV rendering solution can substantially improve video quality on mobile devices comparing with traditional approaches.","PeriodicalId":318758,"journal":{"name":"Proceedings of the 19th ACM international conference on Multimedia","volume":"100 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124563817","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 43
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