摘要
根据运动估计块匹配原理提出对角线匹配准则,该算法相较于运动估计中常用的SAD、MSE和MAD匹配,在大幅减少计算量的同时,运动估计质量只有很少的下降。该匹配算法可应用于各种搜索策略,并且都有良好的效果。根据算法设计硬件结构,还有一种用于该结构的双斜光栅扫描方式和相关的可复用资料的交叉寄存器组结构,可充分利用运动估计中交叠的数据。该结构通过FPGA验证,当频率为240MHz时4个运动估计电路并行工作就可以完全满足解析度为1280x720@30fps的实时性要求。
According the block matching algorithm in Motion Estimation（ME）, proposes a diagonal matching algorithm. Compared with the matching methods of SAD, MSE, MAD, diagonal matching algorithm decreases the computational burden greatly, and only loses few quality of ME. The algorithm supports many searching strategies and has good performances. Designs the implementation, including a double oblique raster scan method and reconfigurable register architecture, it can fully utilize the reduplicate data. The architecture is verified in FPGA, and it supports real time application of 1280×720 at 30fps when the operation rate is 240MHz with 4 modules work in parallel.
出处
《现代计算机》
2013年第20期66-70,共5页
Modern Computer
关键词
运动估计
对角线匹配准则
硬件实现
Motion Estimation
Diagonal Match
Hardware Implementation
