Based on the theory, simulation and experiment, we have proved their capabilities of sub-pixel edge detection are effective.
并通过理论验证、仿真实验以及实际应用证明这两种亚像素边缘检测方法的有效性。
参考来源 - 基于小波分析的视觉检测技术研究Sub-pixel technology and linear fitting algorithm are both used to extract the size information of object, and the size of object can be available by calculating.
使用亚像元细分技术和直线拟合算法两种方法进行物体尺寸信息的提取,通过计算可求出被测物体尺寸的大小。
参考来源 - 光电式几何量测量系统设计This algorithm can simplify the procedure of mode decision and significantly reduce the computational complexity of sub-pixel motion estimation. The loss of coding performance is negligible.
该算法可简化模式选择的过程,并在很大程度上降低亚像素运动估计的运算量,所带来的编码损失基本可忽略不计。
参考来源 - H.264视频编码标准的研究与优化实现Because the optimization of core decoder module is a key to improve the speed of decoder. The dissertation mainly analyze and optimize the core modules of decoder, including sub-pixel interpolation, integer transform(inverse transform), deblocking loopfilter, etc.
由于核心解码模块的优化是解码器速度提高的关键,因此本文针对AVS解码器的特点,对AVS视频解码器中的子像素插值、整数(反)变换、去块效应滤波等核心功能模块进行了重点地分析和优化。
参考来源 - AVS视频编解码标准的研究及其在DSP上的实现This paper provides a Two-Step Four-Tap (TSFT) sub-pixel interpolation method based on the correlation analysis of the high def ination video sequences.
本文在分析了高清视频信号的自相关特征的基础上,提出了一种基于两步四抽头滤波器的分像素插值技术。
参考来源 - 分像素运动补偿优化技术研究·2,447,543篇论文数据,部分数据来源于NoteExpress
This is because motion estimation is performed to sub-pixel resolution.
这是因为运动估计执行到子像素分辨率。
But the motion compensated pixels in frame 1 have sub-pixel positional errors.
但是帧1中经过运动补偿的像素具有子像素位置误差。
Today, both companies are using sub-pixel rendering to coax sharper-looking fonts out of typical low resolution screens.
目前,这两家公司都使用次像素渲染(subpixel rendering)技术,使得字体在低分辨率的屏幕上,也能显得很清晰。
应用推荐