| 1. | Nonuniformity correction for irfpa based on dsp 的红外焦平面阵列非均匀性校正技术 |
| 2. | So the key problem needed to be solved in the irfpa applications is applicable and real time nonuniformity correction technology 但是焦平面探测器固有的非均匀性问题是其应用中必须解决的关键问题之一。 |
| 3. | It can implement fpa data sample , data rearrange , nonuniformity correction , image enhancement , defect pixel automatic searching and compensation , video signal synthesizing and displaying , 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。 |
| 4. | The causations and features of nonuniformlty in infrared imaging systems are described in the first part of this paper . several methods of nonuniformity correction ( nuc ) for fpa are analyzed and compared in detail 本文首先分析了红外成像系统非均匀性产生的原因及表现特征,对目前存在的几种非均匀性校正方法进行了详细的探讨和对比。 |
| 5. | This paper make a deep research in nonuniformity correction , median filter and data communication technology according to the design requirment of the aerial defence missile , and achieve the goal of the design with the fpga technology 本文首先阐述了红外图像处理的简要流程和处理机的结构概况,提出了研究目标在于图像预处理和数据通信的实现。 |
| 6. | Based on a thorough and deep question of the generating mechanism and characteristic of the nonuniformity of irfpa , this paper investigates and studies the kinds of existing nonuniformity correction algorithms , makes a comparison among these algorithms on advantage and disadvantage 本文在深入探讨了红外焦平面阵列非均匀性产生机理及其特性的基础上,深入研究和分析了目前已有的两类非均匀性校正算法,综合比较了多种校正算法的优缺点。 |
| 7. | According to the practical need , the paper put forward a new nonuniformity correction algorithm - adaptive linear subsection interpolation correction algorithm , which is the expansion of two - point correction algorithm . the approach is not only achieved the nonuniformity correction in large dynamic range , but also eliminated the effect of temperature excursion of detector responsibility on nonuniformit y correction 根据实际需要,提出了一种自适应滤波分段线性插值的非均匀性校正算法,它是两点校正算法的扩展,不仅具有较大的动态范围,而且可以消除由于探测器响应特性温漂现象对非均匀性校正的影响。 |
| 8. | At first , we introduce the working flow of ir image processing and the structure of the image processor , then we present the goal of the design : image pre - processing and data communication . in the part of the image pre - processing , the factors causing the nonuniformity of fpas are analyzed particularly , and several . resolutions are presented , which characters are illustrated at last . according to the design requirement , we decided to implement the two - point nonuniformity correction method in fpga 在图像预处理部分,首先就红外成像传感器非均匀性的成因进行了详细分析,总结了红外成像传感器非均匀性校正的主要方法,分析了各种方法的优缺点;根据成像制导信息处理机实时处理的要求,利用现场可编程门阵列实现了基于浮点运算的两点法非均匀性校正模块。 |