介绍了一种自适应红外图像非均匀性校正方法及其FPGA实现。
An adaptive method for correcting the nonuniformity of infrared images and its implementation on FPGA are presented.
提出了一种基于FPGA的红外焦平面非均匀性校正的实现方案。
A novel resolution of IRFPA non-uniformity correction by using a FPGA.
本文提出了可进行条纹非均匀性校正的最小均方误差法(MMSE)。
We develop the minimum mean square error (MMSE) method for stripe nonuniformity correction (NUC).
两点温度定标校正算法是非制冷红外探测器的有效的非均匀性校正技术。
The algorithm of the two-point temperature correction is a effective nonuniform correction technique for uncooled IR detector.
阐述了偏置校正法对非均匀性校正的实现原理，论证了其有效性及可行性。
The principle of this bias correction method is expatiated and its validity and feasibility are theoretically confirmed.
由于非均匀性校正的局限性，以前的微测辐射热计需要对基底温度进行精确控制。
Because of the limitation of non uniformity correction, former microbolometer needed to control substrate temperature accurately.
为了提高红外焦平面阵列两点实时非均匀性校正速度，提出两点压缩校正的新方法。
In order to improve the real-time correction speed of infrared focal plane arrays (IRFPA), a new way of two-point compression correction is presented.
在分析红外焦平面阵列非均匀性校正现行算法的基础上，提出了一种具有自适应性能的新算法。
Based on the analysis of the present algorithms of IRFPA nonuniformity correction (NUC), a new adaptive technique was discussed, to which the wavelet filter theory was applied.
首先分析了传统的非均匀性校正方法的缺点，指出自适应校正红外焦平面器件非均匀性的必要性。
In this paper, the disadvantages of the traditional nonuniformity correction methods for infrared focal plane arrays are analyzed firstly.
本文首先分析了红外图像非均匀性的特征及其产生的原因，以及基于场景的红外图像非均匀性校正的意义。
At first in this paper, the features and causations of nonuniformity in infrared imaging systems and sense of the scene-based NUC are described.
在红外多谱段相机上的应用结果表明二点多段非均匀性校正算法具有运算量小、精度高、实用性强的优点。
The appliance of the two-point multi-section method to infrared multi-band camera showed that the method has the merit of low operation load, high precision and strong practicability.
在基于标定的非均匀性校正算法方面进行研究，比较了两点温度定标算法和多点温度定标算法的校正效果；
For the nonuniformity in IRFPA, we discussed calibration-based nonuniformity correction techniques, compared two-points correction algorithm and multi-points correction algorithm.
文中讨论了两点校正法，并分别提出了利用查找表法和用CPLD实现焦平面探测器非均匀性校正的方案。
In this paper, the two points correction method is discussed, and then the designs of non-uniformity correction for IRFPA using function table and CPLD separately are presented.
传统的神经网络非均匀性校正算法对噪声具有较好的自适应性，但当空间低频噪声较大时，校正效果明显下降。
The traditional neural network correction has a good adaptivity to the noise. But with a stronger low frequency space noise, the correction effect is very poor.
该系统以计算机为终端，配合光学系统和软件，进行了外场远目标成像试验，并对图像进行了非均匀性校正等处理。
With computer terminal, optic system and software, the outdoor experiments are carried out aiming at distant target, and the image are processed by nonuniformity correction etc.
可以实时完成焦平面信号的数据采集、数据重排、非均匀性校正、图像增强、疵点自动查找和补偿以及视频合成显示等一系列功能。
It can implement FPA data sample, data rearrange, nonuniformity correction, image enhancement, defect pixel automatic searching and compensation, video signal synthesizing and displaying, etc.
提出了一种以FPGA为核心的焦平面器件实时非均匀性校正方法，能够实时地完成非均匀性校正系数的在线计算、红外图像的非均匀性校正。
The two-point correction method is analyzed, and a new real-time nonuniformity correction algorithm for IRFPA is proposed by using field programmable gate array(FPGA).
最后设计了红外成像系统与PC机的串口通信，通过串口，PC机可以远距离对红外成像系统进行非均匀性校正、坏点校正、视场切换、调焦等操作。
Through serial communication port, PC machine can make the infrared imaging systems to achieve non-uniformity correction, bad point correction, switching field of view, focusing and other operations.
磁场非均匀性测量方法和设备，相位校正方法和设备，以及磁共振成像设备。
Method and device for measuring inhomogeneous magnetic field, method and device for phase calibration, and magnetic resonance image apparatus.
首先分析了X射线安检系统应用中图像非均匀性的原因，并在此基础上提出了一种新的软硬件结合的校正方法。
Based on the nonuniformity analysis of image in the X-Ray security inspection system, a novel correction method using both software correction and hardware correction is proposed.
实验结果达到了预期目的，表明基于DSP的红外图像非均匀性实时校正系统实现的校正方法简单，效果理想。
Experimental results showed that the infrared image nonuniformity real-time correction system based on DSP can do the correction in a simple way with satisfactory results.
针对非均匀性噪声，建立了两种基于非均匀性标定的校正方法。
For non-uniformity noise, two correction methods based on non-uniformity calibration are developed.
实验表明，这种解决方案可以实时完成校正处理，并有效地抑制了器件的非均匀性。
The results have indicated that TPNUC can be processed in real-time, and the non-uniformity is suppressed effectively.
文中建立的套管井电阻率测井校正系统，包括套管非均匀性、地层上、下围岩和水泥环的校正。
Correction system for resistivity logging in cased hole has been established in paper, including on condition of non-uniformity casing, formation having shoulder, cement layer.
校正后的图像非均匀性可降低27.5%。
校正后的图像非均匀性可降低27.5%。
应用推荐