Hierarchical Method for Foreground Detection Using Codebook Model

被引：83

作者：

Guo, Jing-Ming ^{[1
]}

Liu, Yun-Fu ^{[1
]}

Hsia, Chih-Hsien ^{[1
]}

Shih, Min-Hsiung ^{[1
]}

Hsu, Chih-Sheng ^{[1
]}

机构：

[1] Natl Taiwan Univ Sci & Technol, Taipei 10607, Taiwan

来源：

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY | 2011年 / 21卷 / 06期

关键词：

Background subtraction; block truncation coding; foreground detection; shadow detection; surveillance; MOVING-OBJECTS; CAST SHADOWS;

D O I：

10.1109/TCSVT.2011.2133270

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents a hierarchical scheme with block-based and pixel-based codebooks for foreground detection. The codebook is mainly used to compress information to achieve a high efficient processing speed. In the block-based stage, 12 intensity values are employed to represent a block. The algorithm extends the concept of the block truncation coding, and thus it can further improve the processing efficiency by enjoying its low complexity advantage. In detail, the block-based stage can remove most of the backgrounds without reducing the true positive rate, yet it has low precision. To overcome this problem, the pixel-based stage is adopted to enhance the precision, which also can reduce the false positive rate. Moreover, the short-term information is employed to improve background updating for adaptive environments. As documented in the experimental results, the proposed algorithm can provide superior performance to that of the former related approaches.

引用

页码：804 / 815

页数：12

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