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- This paper studies intensively the "bilinear interpolation and 2D-IFFT" method of reconstructing image from the unevenly spaced data in the spatial frequency domain. 本文深入研究了由空间频域上的非均匀采样数据重建图象的“双线性插值加二维快速傅里叶反变换”方法。
- The selection of threshold will affect the quality of the reconstruction image. 其中阈值选取关系到图像重建的精确度。
- The fast algorithm presented in this paper improves the speed of the image reconstructing by about 32 times and at the same time doesn't degrade the reconstructed image quality at all. 采用快速算法使图像重建的速度提高了约32倍,同时保证快速重建图像的质量保持不变。
- The LCD black-matrix effect on the reconstructed image of a CGH was analyzed through theoretical deducing. 通过理论推导,具体分析了LCD黑栅效应对全息再现像的影响;
- Constellation reconstructs images as starlike points of light. 星座 重建图像作为光的星形的点。
- In the applications, the capacitance transducer made by the set of optimizing parameters can get the ideal reconstruction image. 在实际应用中,概据此优化参数制造的电容传感器获得了较为理想的重建图像。
- The result of simulation experiment shows that the reconstructed image is better than those traditional SVQ and VQ in PSNR and perception. 模拟实验结果表明 ,在相同的压缩比的情况下 ,信噪比要优于传统的矢量量化 (VQ)和子帧矢量量化 (SVQ) ,且重构图像的主客观效果良好
- Furthermore, for human visual perception, the scaling JND model is developed to optimize the reconstructed image quality. 因此,根据人眼感知的特性,我们提出来可支援缩放比例的JND模组来最佳化重建影像的品质。
- The simulation results show that the buffer fullness tend to be stabilized and the PSNR of the reconstructed image is raised. 仿真结果表明:该文提出的方法有效地平滑了缓冲器的输出,同时峰值信噪比也有所提高。
- It is testified that this method was effective way to extract and reconstruction image skeleton by simulating in the MATLAB. 通过在MATLAB中的仿真,验证了此方法是提取骨架与重建图象的一种有效方法。
- The physical validity based lossy compression algorithms are usually accompanied with VOP structural distortion, leading to the degradation of the reconstructed image quality. 基于物理真实的有损压缩往往伴随有VOP结构形变,导致重构图像质量下降。
- MTF can be deduced by PSF and the filter used in image reconstruction can be made thereby, so the accuracy of PSF directly affects the performance of reconstructed image. 由于系统的点扩散函数可用来求解系统的传递函数,并可由此制作实现图像重构的滤波器,因此点扩散函数的精确程度直接影响重构过程中图像的质量。
- The act or result of reconstructing. 重建重新建造的行为或结果
- Objective: To discuss the reference value of the measurement of anatomy structures related to endoscopic sinus surgery (ESS) on CT sagittal reconstruction image. 目的:探讨CT矢状位重建图像上测量与鼻内窥镜手术相关解剖结构对鼻内窥镜手术的参考价值。
- The heroine is the spitting image of the author. 书中女主人翁是作者的真实写照。
- Since each description included part or all information of the odd and even position coefficients, the reconstructed image from any single channel would have acceptable fidelity. 由于每个描述都包含了奇数位系数和偶数位系数的部分或全部信息,因此,接收到一个信道的信息就可以重建出一定质量的图像。
- Only one digital hologram is needed to reconstruct hologram of tiny object.It is possible to realize real-time reconstruction images in digital holographic microscopy. 这种方法只需一幅数字全息图就可得到微小物体的再现像,它使数字全息显微实现实时再现成为可能。
- OSEM has good reconstructed image quality and uses less computation time.Overrelaxation technique has adjustable relaxed parameters and speeded convergence function. 有序子集最大期望法(OSEM)具有较高的重建图像质量和较短的计算时间,超松弛因子(OR)有可灵活调节超松弛因子和加速收敛两种功效。
- Methods We collected 35 cases about fracture of acetabulum.On the workstation,we compared 3D reconstruction image with X-ray plain film and analyzing them. 方法收集髋臼骨折35例,在工作站上作三维重建图像,与X线平片进行比较分析。
- I have this image of you as always being cheerful. 在我的心目中,你的样子总是兴高采烈的。