通过实例证明，帧间降噪系统可有效去除噪声，提高图像信噪比。
Proved by practical examples, the system could effectively reduce image noise.
与嵌入水印前的原视频图像相比，嵌入水印后的视频图像信噪比损失很小。
Compared with the original video sequences before watermark, PSNR of watermarked frames is reduced slightly.
在视频图像信噪比基本不变的情况下，达到运算时间降低，提高编码效率的效果。
The result shows it can reach lower operation time and great video encoding efficiency in stable videos SNR.
在不同误码率的无线信道中的传输实验表明，此方案提供了更好的图像信噪比性能。
Simulation results show that the technique can provide better image signal-to-noise rate performance over different bit error rates wireless channels.
给出图像噪声检测模型，提出了两种基于HVS的图像信噪比无参考质量评价方法。
An image noise detection model was given and two no-reference quality assessment methods based on HVS were proposed.
实验结果证明，该算法在提高图像信噪比的同时，可以更好地保持图像的细节信息。
The experimental results demonstrate that the proposed algorithm can obtain higher Peak Signal-to-Noise Ratio (PSNR) value and preserve more detailed information.
x射线编码三维成像系统中，减少观察层上的重叠噪声是提高图像信噪比的有效方法。
In a three dimensional X ray coded imaging system, it is effective method to reduce the reduplicate noise of a certain layer image for enhancing the signal noise rate.
相机的光圈值越大，所采集到的图像信噪比越大，获得的压敏涂料校准曲线斜率越大。
The larger the aperture is, the greater the image signal to noise ratio is, which results in a greater slope of the calibration curve of the PSP.
目的对磁共振的螺旋桨技术就图像信噪比、对比度噪声比、伪影等图像质量要素进行相关性研究。
Objective Study on the relationship of Propeller technology and image quality such as signal-to-noise ratio (SNR), contrast-to-noise ratio (CNR) and artifact.
这样可以得到许多滤波图像，然后根据图像信噪比PSNR和视觉效果，最终确定去噪效果最好的农产品图像。
In this way, people can have many filtering images, then finally made sure the best denoised agricultural product images according to image signal-to-noise (PSNR) and visual effect.
但是，红外图像信噪比低、信息单一等因素的制约，使红外图像中的人体检测跟踪成为了一个极具挑战性的课题。
However, the inherent characteristics of infrared images, such as low signal-to-noise ratio and unitary information, have made it a complex challenge for human detection and tracking.
计算机仿真与光学扫描实验表明，该方法具有认证过程相对简单、解码图像信噪比高、成本低和防伪性能好等优点。
Computer simulations and optical scanning experiments show that the presented technique has advantages of the simple authentication process, high PSNR, inexpensive cost and good security.
通过仿真实验研究，线性插值方法和相关线性插值方法在运算速度和图像信噪比方面都具有很好的品质，是数字相机插值的最佳选择。
Linear interpolation algorithm and linear interpolation algorithm taking correlation into consideration can gain higher SNR and good images quality and are suitable for digital still cameras.
首先，针对红外图像低信噪比的特点，采用局部灰度均值特征及局部标准差特征用于目标建模。
Firstly, the local gray mean feature and local standard deviation feature were utilized to realize target modeling based on the low SNR characteristic of ir images.
对典型复杂背景下10幅1000帧图像的仿真结果表明，当信噪比大于或等于1.5时，可以有效检测出运动点目标。
Finally, some simulation results with 1000 frames from 10 typical images in complex background show that moving point targets with SNR not lower than 1.5 can be detected effectively.
医学图像融合的效果评价方法有很多，如信息熵、互信息、均方值、峰值信噪比和平均梯度等。
There are many kinds of image fusion methods, such as information entropy, mutual information, mean square error, peak signal to noise ratio and mean grads.
为了对低信噪比的超声图像进行有效分割，提出一种谱聚类集成的超声图像分割算法。
A novel ultrasound image segmentation algorithm, which is based on the spectral cluster ensemble, is proposed to segment ultrasound images with low SNR.
实验结果表明，该方法能有效检测和分割出低信噪比复杂自然背景红外图像中的目标。
The experimental results show that the method can effectively detect and segment the target in a low SNR infrared image with the complicated nature background.
介绍磁共振成像中的敏感性编码技术的原理、图像重建算法及图像的信噪比。
This article introduces the principle and image reconstruction algorithm and SNR of sensitivity encoding technology in magnetic resonance imaging.
红外图像中的弱小目标因为信噪比和对比度较低，用单帧图像检测很难得到满意的效果，利用多帧图像信息进行检测是有效的手段之一。
In terms of the low SNR and contrast, the small and dim targets can not be easily detected in a single IR image, so utilizing a sequence of images is an effective method.
在临床上研究不同的MRI扫描技术时，必须要用信噪比这个参数来对图像的成像质量进行评价。
During the clinical study of different scanning MRI techniques, it is necessary to evaluate the image quality by measuring the signal noise ratio.
用这种滤波器实现了平移、旋转、尺度三重不变光学图像识别，且有较高的信噪比。
By this filter, the shift, scale and rotation invariant optical pattern recognition was realized with a high signal noise ratio of correlation output.
按附属于图像上的相关信息如目标类型、背景类型、天气、季节、图像对比度、信噪比等对图像进行分类。
And the IR images are classified according to the relevant information belonging to these images, such as target type, background type, weather, season, variance, SNR and so on.
为了在保持原始图像信息的情况下，提高图像的空间分辨率，改善图像的峰值信噪比，在前期的研究中提出了小波双三次插值搜索算法。
In order to improve the resolution and PSNR of the obtained image without damaging its original information, the Wavelet Bicubic Interpolation Search Algorithm was proposed in the previous work.
实验结果表明：该算法有较好的重构图像主观质量和较高的峰值信噪比（PSNR）。
The experiment results show the image compression scheme can improve the recovery image quality and peak signal-to-noise ratio(PSNR).
高光谱成像系统的应用效果非常依赖仪器获取图像的信噪比。
The application effect of the hyperspectral imaging system heavily relies on the signal to noise ratio.
经试验证明，这是一种有效的编码方法，在相同压缩比率下提高了重建图像的峰值信噪比PSNR。
Experimental results show that the improved hybrid image coding can improve the PSNR of the rebuilded image at the same compression ratio.
实验表明与其它几种运动补偿算法和非运动补偿算法相比，有较高的信噪比和较好的图像效果。
The result show that the algorithm will get higher PSNR and better vision compare with other motion-compensation or non-motion-compensation deinterlace algorithm.
通过色彩空间转换，并使用最新的色差公式定义了彩色图像感知色差峰值信噪比等图像质量评价指标。
Through the transformation of color space and the use of the up-to-date formula of color difference, the evaluating index such as SCAPSNR of the colorful images is defined.
针对凝视红外成像探测系统作用距离计算问题，在分析传统作用距离模型的基础上，提出基于图像目标信噪比检测依据的新距离计算模型。
For the operating range calculation of staring IR imaging system, traditional operating range model was analyzed and a new model was proposed based on the target image's SNR detection criterion.
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