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| 二维离散余弦变换/逆离散余弦变换电路及方法 | |
| 引用本文： | 陈勇,曹玉保,孟凡伟. 二维离散余弦变换/逆离散余弦变换电路及方法[J]. 中国集成电路, 2012, 0(10): 49-52 |
| 作者姓名： | 陈勇 曹玉保 孟凡伟 |
| 作者单位： | 1. 南京龙渊微电子科技有限公司,江苏南京,211106 2. 河海大学研究生院,江苏南京,211100 |
| 摘 要： | 为了实现二维离散余弦变换(DCT)/逆离散余弦变换(IDCT),本文提供一种二维离散余弦变换/逆离散余弦变换电路,采用一个加法器和两个移位器代替一个乘法器,通过选择特定的系数,使得硬件电路无需使用耗费资源较多、速度较慢的乘法器,是一种高效的无乘法器的DCT变换电路。该电路只需要很少的加法器和移位器,并可以达到很高的精度。 |
| 关 键 词： | 二维 离散余弦变换 逆离散余弦变换 电路 |
Transform Circuit and Method For 2 D DCT/IDCT |
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| CHEN Yong,CAO Yu-bao,Meng Fanwei. Transform Circuit and Method For 2 D DCT/IDCT[J]. China Integrated Circuit, 2012, 0(10): 49-52 | |
| Authors: | CHEN Yong CAO Yu-bao Meng Fanwei |
| Affiliation: | 1.Nanjing LongYuan microelectronics technology Co. LTD , Nanjing , 211106, China; 2. Hohai university, Nanjing, 211100, China) |
| Abstract: | In order to realize the two dimension discrete cosine transform/inverse discrete cosine transform, this paper provides a kind of two dimension discrete cosine transform/inverse discrete cosine transform circuit, using an adder and two shifter instead of a multiplier, by choosing a specific coefficient, to make the hardware circuit without the use of cost more resources, speed slower multiplier, is a kind of efficient without multiplier of DCT transformation circuit. This circuit only need a few adder and shifter, and can reach high accuracy. |
| Keywords: | Two dimension Discrete Cosine Transform Inverse Discrete Cosine Transform circuit |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |