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- Small target extraction 小目标提取
- A new model for fast small target in IR image sequence was put foreword. 摘要提出了一种新的红外图像序列中快速运动小目标时域模型。
- Detection of small target which is embeded in a dominant clutter background is a crucial technology for searching and tracking systems. In order to extract object in low SNR condition, Track before Detect (TbD) technology is proposed. 为在低信噪比、强杂波的环境下提取目标 ,人们提出了跟踪置前检测 (TbD)的小目标检测方法。
- It's really a challenging job to shoot at such a small target from so far away. It must be very hard to hit the center. 距离那么远要射如此小的目标确实很具有挑战性，肯定难于射在中心。
- Next, the algorithm of moving target detection, moving target extraction and model building of movement target was described during the movement target detection stage. 接下来,在运动目标检测阶段主要研究运动目标检测算法、运动目标的提取和目标模型的建立。
- In order to detect moving infrared dim and small target, a novel high-order cumulant projection algorithm was proposed. 摘要为检测弱小红外运动目标，提出了一种基于高阶累积量投影的检测算法。
- The useful information for infrared image of the far small target is zoomed out. 针对远处小目标红外图像的有用信息进行了放大处理。
- Detection of dim small targets in infrared images was addressed. 探讨了红外图像中的弱小目标检测问题。
- After analyzing the structure of a MPP computer, two implementations for AGADM-based small target detection on a parallel MPP computer are presented. 接着，在分析了MPP并行计算机体系结构的基础上，提出了两种基于MPP的小目标检测并行快速实现算法。
- There was 5)jubilation at the NASA space agency at their success in landing on such a relatively small target so far away. 美国航空航天署对在如此遥远又相对如此小的行星上着陆成功感到欢欣雀跃。
- The experiments show that the method can fleetly and reliably detect the small target with low SNR, which has achieved the demand of high performance. 实验结果表明：该方法可以快速、可靠的检测出极低信噪比下的小目标，满足了系统性能指标。
- Then, computes the edge information of the central pixels in every object area to eliminate strong edge noises and detect small target. 然后计算目标区域中心像素的边缘信息，进一步剔除强边缘噪声点，检测小目标。
- This well measures difficulties i ncluding small target window,deep buried depth,bad stratigraphic stability,and easy adhere to pipe sticking. 介绍了该井的施工难点,即靶窗小、靶区要求严,油层埋藏深、地层稳定性差,容易黏附卡钻,与直井相比携岩比较困难等。
- In general, small targets always are the extremum pixels in image local area. 弱小目标一般是图像局部区域的极值点。
- Target extraction method based on sub-block feature 基于子图像特征的目标提取方法
- Based on the features of infrared image and the speciality of fractal dimension,a method of detection infrared dim small target based on fractal dimension was presented. 针对红外图像的特点及分形分维的特性;提出了基于分维像的红外弱小目标检测方法.
- To improve the detection performance of dim and small target from complex background in infrared image, the curvelet transform is introduced in this paper. 为提高复杂背景下的红外弱小目标的检测性能,引入图像的 Curvelet 变换。
- The curve of the target extracted form the image is affected by the noise,and make the homologous boundary chain codes difficultly in accordance with the target shape. 从图像中提取出的目标边界曲线由于受噪声的影响;使得相应的边界链码很难与目标形状一致;影响了用链码来分析目标形状.
- The processing results show that the algorithm performs well in big and small target images, and maintains the advantage of quick processing speed of original centroid algorithm. 处理结果表明，对于大目标图像和小目标图像均有较好的效果，并且保持了常规形心跟踪算法执行速度快的特点。
- In the two actual tunnel, we measured and calculated visibility of the small target under the three light source, and made a visual experimental method of the small target color. 在两条实际隧道中对三种光源照明下的小目标可见度进行了实际的测量和计算，并且提出了小目标显色性的视觉实验方法。
