Infrared image has the features of high background, low contrast and low SNR.
红外图像具有高背景，低反差，低信噪比等特点。
Their spatial resolution and low contrast resolution were completely identical.
其空间分辨率和低对比度分辨率也完全相同。
The noise and low contrast of the digitized X ray image made it difficult to recognize defect.
数字化的X射线图像存在噪声且对比度差，给缺陷识别带来一定难度。
A new method for the automatic calculation of the low contrast laser spot center base on contour growing.
提出一种基于边界生长的自动化低对比度激光光斑中心的定位新方法。
The technique has a large practical value for the detection of the signal with low contrast when SSPA device is applied.
该技术在用SSPA器件对低对比度信号的检测中有很大实用价值。
For that, this paper proposes a method that extracts the weak target from background, which includes strong noises and low contrast.
针对以上问题，文章讨论了在低对比度、强干扰的情况下，对弱目标的提取方法。
Detection of small target with low contrast and the research for tracking algorithm is one of the key techniques in TV tracking field.
低对比度小目标检测与跟踪算法的研究是电视跟踪领域的关键技术之一。
Selection of the subsection point is the key to enhance low contrast image under light background by subsection linear transformation.
采用分段线性变换对白天亮背景下低对比度图像序列进行对比度增强，最关键的是分段点的选取。
The reservoirs often form the low contrast resistivity oil layers because they have the dual pore networks, that is, fractures and pores.
该储层具有裂缝-孔隙双重孔隙网络，常形成相对低电阻率油层。
In this paper, we present a method to realize feature extraction on low contrast magnetic domain images of magneto-optical recording films.
提出了一种基于梯度分割的图像特征提取方法，对低对比度磁光记录薄膜磁畴图像进行处理。
A novel method based on gradient strength and local entropy for fusion detection of weak small targets with low contrast is presented in this paper.
提出了一种基于局部梯度强度和局部熵的红外小目标融合检测的方法。
Because of the complex underwater environment, the underwater images have their own property. For example, the low contrast, the fuzzy feature, and so on.
由于水体环境复杂，水下图像具有其特殊性质，例如对比度低、特征模糊等。
This paper introduces a new method of low contrast gray image enhancement based on PCNN after studying the operation elements and action mechanism of PCNN.
通过对PCNN工作原理和行为机制的深刻剖析，本文提出基于PCNN的低对比度的灰度图像增强算法。
The technique of small dim target detection in low Signal-to-Noise and low contrast images has been the key technique of the electro-optical detecting system.
低对比度、低信噪比弱小目标探测技术是光电成像探测系统的关键技术之一。
But SAR image is liable to be affected by speckle noise, while almost spectral image have shortcomings of low contrast between object and background, edge blurring.
但SAR图像容易受到相干斑噪声的影响，而光谱图像普遍存在目标与背景对比度差、边缘模糊的缺点。
In this paper, a new method of low contrast image enhancement is presented based on PCNN and LR models in conjunction with characteristics of human visual consciousness.
针对低对比度图像，结合人眼视觉神经系统的感知特性，提出了一种基于PCNN与LR模型的图像增强方法。
Reflectivity Displacement Method (RDM) is a classical algorithm of Synthetic Aperture Radar (SAR) autofocus processing, whose performance degenerates with low contrast of the scene.
反射率偏移法（RDM）是合成孔径雷达（SAR）自聚焦的经典算法，当场景对比度较低时，RDM自聚焦效果变差。
For infrared image with the characteristics of low contrast and low signal-to-noise, a infrared image enhancement method based on Wavelet Transform and Lateral Inhibition Network is presented.
针对红外图像存在的对比度差、信噪比低等问题，提出了一种基于小波和侧抑制网络的红外图像对比度增强算法。
Line patterns in palmprint are very complicated because of the low contrast and the heavy noise caused by fine wrinkles and ridges, so it is a challenging task to complete the feature extraction.
由于在线掌纹图象的对比度较低，掌纹中的细小皱纹和乳突纹会形成一定的噪声，掌纹中的线特征的模式十分复杂，因此对掌纹进行线特征提取是一项具有挑战性的研究课题。
Aiming at the bad performance of existing retinal blood vessel segmentation methods for small and low contrast vessels, a new segmentation method based on transition region extraction is proposed.
针对现有视网膜血管分割方法对于小血管和低对比度血管分割效果差的问题，提出了一种基于过渡区提取的视网膜血管分割方法。
This article introduces the Low Contrast Resolution which is an important parameter of X-ray imaging equipment.
本文对X线成像设备的重要指标—低对比度分辨率作了介绍。
Focus accuracy was generally impressive, although with a certain tendency towards slight front-focus at close distances and F1.4, especially with low-contrast subjects.
对焦准确性有所改善，但在近距离和F1.4时，尤其在低反差时，对焦就会稍有前移。
Subjectively a lens with great contrast but rather mediocre resolution looks more snappy, maybe even sharper than a low-contrast lens with a high resolution.
主观上，一枚对比度大，但是分辨率一般的镜头看上去可能会比一枚高分辨率但是对比度低的镜头更令人舒服。
In order to solve the problem of detecting moving small targets in low-contrast infrared image sequences, a new detection method based on multilevel filter is proposed.
为了解决低对比度红外序列图像中运动小目标的检测问题，提出了一种基于多级滤波的检测方法。
General web usability guidelines recommend sans-serif fonts with high contrast color selection (high-contrast white on black or dark blue rather than low-contrast like Chadwick's blue-on-blue).
一般的网页可用性设计指南推荐使用有高色彩对比度的sans - serif字体(高对比度的白字黑底或白字暗蓝底，而不是像Chadwick低对比度的蓝字蓝底)。
This paper studies the helical ct low-contrast resolution and its influencing factors by experimental analysis.
通过实验研究螺旋ct的低对比分辨力及其影响因素。
The detection method was developed for such low-contrast targets using multiple color space information fusion for detection of foreign fibers such as wool, white hair, or plastic in cotton.
以棉花中羊毛、白头发、塑料膜等杂质的检测为应用背景，提出一种利用多颜色空间特征融合方法。
Vascular tree angiograms suffer from noise and they are fuzzy, low-contrast with the vessel disturbed by background. Thus, segmentation is a difficult task.
血管影像的特点是受噪声影响、血管形态模糊、背景噪声和目标混杂，以及目标与背景对比度低，这些都给分割任务带来困难。
Vascular tree angiograms suffer from noise and they are fuzzy, low-contrast with the vessel disturbed by background. Thus, segmentation is a difficult task.
血管影像的特点是受噪声影响、血管形态模糊、背景噪声和目标混杂，以及目标与背景对比度低，这些都给分割任务带来困难。
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