Chain code is an effective expressing form in the field of computer vision, but it is sensitive to noise.
在计算机视觉领域中，链码是一种有效的表达形式，但是它对噪声敏感。
The values are chained up in a definite direction to form the so called chain code.
然后把各个区域的灰度描述值按着规定的方向连接起来，生成一个用于检索图象的链码。
The values are chained up in a definite direction to form the so called chain code.
然后把各个区域的灰度描述值按着规定的方向连接起来，生成一个用于检索图象的链码。
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