A class of the hamming weight hierarchy of linear codes with dimension 5

Hu, Guoxiang; Zhang, Huanguo; Wang, Lijun; Dong, Zhe

doi:10.1109/tst.2014.6919820

Tinshhua Sci. Technol.

2014

DOI: 10.1109/tst.2014.6919820

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A class of the hamming weight hierarchy of linear codes with dimension 5

Guoxiang Hu

Huanguo Zhang

Lijun Wang

et al.

Abstract: The weight hierarchy of a OEn; kI q linear code C over F q is the sequence .d 1 ; ; d r ; ; d k / , where d r is the smallest support weight of an r-dimensional subcode of C. In this paper, by using the finite projective geometry method, we research a class of weight hierarchy of linear codes with dimension 5. We first find some new preconditions of this class. Then we divide its weight hierarchies into six subclasses, and research one subclass to determine nearly all the weight hierarchies of this subclass of… Show more

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Novel video steganography algorithm based on secret sharing and error-correcting code for H.264/AVC

Zhang¹,

Zhang²,

Yang³

et al. 2017

Tinshhua Sci. Technol.

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In this paper, we analyze the video steganography technique, which is used to ensure national security and the confidentiality of the information of governmental agencies and enterprises. Videos may be used to transmit secrets and conduct covert communication. As such, we present an algorithm based on a secret sharing scheme and an Error-Correcting Code (ECC), which combines Grey Relational Analysis (GRA) with a partition mode in video compression standard H.264/AVC. First, we process secret information by secret sharing, and then use an ECC to process the obtained information. Moreover, we choose the Discrete Cosine Transform (DCT) blocks using GRA, and then use rules to hide the pretreated information in DCT coefficients of the video frames. Experimental results indicate that our algorithm has good invisibility, better robustness, good anti-steganalysis ability, and little influence on the bit rate of the video carrier. In addition, the bit error rate is low after attacks such as noise, filtering, or frame loss in the simulation environment.

show abstract

Novel video steganography algorithm based on secret sharing and error-correcting code for H.264/AVC

Zhang¹,

Zhang²,

Yang³

et al. 2017

Tinshhua Sci. Technol.

View full text Add to dashboard Cite

show abstract

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A class of the hamming weight hierarchy of linear codes with dimension 5

Cited by 1 publication

References 13 publications

Novel video steganography algorithm based on secret sharing and error-correcting code for H.264/AVC

Novel video steganography algorithm based on secret sharing and error-correcting code for H.264/AVC

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