BCH Limited Design manufacture, install and commission machinery for the confectionery and snack industries. BCH also offer a consultancy and process engineering service.
BCH codes are a subset of the class of linear block codes that have good error correction capability. Information hiding is a new technique in information security field.
BCH纠错编码是线性分组码的一种，有较好的纠错能力，信息隐藏是近年来信息安全领域出现的新技术。
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This paper brings forward a text embedding digital watermarking method based on image's DWT domain, meanwhile, using the chaotic sequences to encrypt the text data and BCH code to correct them.