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DS200IIBDG1AEA燃机电气模块
开发了A400系列我们的目标是提供高性能相机，以满足分辨率、速度和图像质量方面最严格的要求。这一目标是通过使用一个精密的400万像素传感器和一个独特的相机后端实现的，这两个传感器的结合提供了出色的图像质量和快速预处理的可能性。为了确保可靠、一致的质量，A400变体经过100%的质量检查和校准。所有这些都使得A400相机在许多应用中都非常灵活和可靠。所有A400摄像头都包含一个高质量CMOS传感器，具有2352 x 1726个活动像素。虽然最常见的CCD传感器的速度限制为每秒15帧，A400变种提供卓越的最大帧速率：•A402k/kc-全分辨率24 fps•A403k/kc-全分辨率48 fps•A304k/kc-全分辨率96 fps•A2 320 x 1726时A405k/kc/167 fps•2 320 x 172时A406k/kc-209 fps A400系列在性能和图像质量方面树立了一个新的卓越标准，可与CCD相机匹敌。卓越的图像质量得益于先进的CMOS传感器和复杂的电子设计。三种不同的图像增强功能可以进一步提高图像质量：•柱阴影校正以消除固定图案噪声•DSNU阴影校正以去除暗信号不均匀性•PRNU阴影矫正以消除光响应不均匀性。与配备CCD传感器的相机相比，无晕染或拖影是另一个优势。缺少代码不是A400的问题，图像在这方面非常一致。A400相机中使用的快速FPGA允许选择机载预处理，并允许实施适合客户要求的单独算法
AOI功能、AOI列表和AOI编辑器
当使用A400相机上的感兴趣区域（AOI）功能时，只有图像的指定部分会从相机中传输出去。这会减少摄像头传输的数据量，并增加最大允许帧速率。在A400相机上，可以在AOI列表中定义一组单独的AOI。每个AOI都可以有不同的参数设置，例如AOI位置、AOI尺寸、曝光时间和闪光激活。生成的AOI参数集可以保存在相机中，并在内部执行。这意味着，从一组AOI参数更改为另一组参数时，无需使用慢速串行通信端口，这样可以在操作期间提高帧速率。AOI编辑器软件工具使创建AOI列表变得简单。使用这个易于使用的工具，列表中的每个AOI都是以图形方式创建的，方法是使用捕获的图像将AOI定位在最感兴趣的区域并调整其大小。AOI列表是自动创建的，它概述了列表中每个AOI的位置、大小、曝光时间、延迟时间和闪光激活。该程序突出显示任何不正确的设置，并提供纠正所需的信息。A400相机在PCB检测等经常使用AOI功能的应用中特别有用。裸板检查和平板显示器检查也是需要A400卓越图像质量和高速的应用。晶片检验、键合检验、芯片放置和封装都是半导体市场的典型应用。其他应用包括三维测量、文档处理、邮政和文档排序。
The A400 series was developed
with the goal of offering a high performance camera to meet the most stringent requirements in terms of resolution, speed, and image quality. This goal was realized by using a sophisticated four megapixel sensor and a unique camera backend, a combination which provides brilliant image quality and the possibility of fast preprocessing. To ensure reliable, consistent quality, A400 variants are 100% quality checked and calibrated. All of this makes A400 cameras exceptionally flexible and reliable tools for many applications.All A400 cameras contain a high quality CMOS sensor with 2352 x 1726 active pixels. While the speeds of the most common CCD sensors are limited to 15 fps, A400 variants offer superior maximum frame rates: • A402k/kc - 24 fps at full resolution • A403k/kc - 48 fps at full resolution • A404k/kc - 96 fps at full resolution • A405k/kc - 167 fps at 2320 x 1726 • A406k/kc - 209 fps at 2320 x 1726 The A400 family sets a new standard of excellence with performance and image quality that rivals CCD cameras. The extraordinary image quality results from the use of advanced CMOS sensors and sophisticated electronic design. And three different image enhancement features can improve image quality even more: • Column shading correction to eliminate fixed pattern noise • DSNU shading correction to eliminate dark signal non-uniformity • PRNU shading correction to eliminate photo response non-uniformity The absence of blooming or smear represents another advantage over cameras with CCD sensors. Missing codes are not an issue for the A400 and the images are very homogeneous in this respect. The fast FPGA used in A400 cameras enables the option of onboard preprocessing and allows the implementation of individual algorithms adapted to customer requirements.
The AOI Feature, AOI Lists, and the AOI Editor
When the area of interest (AOI) feature on an A400 camera is used, only a designated portion of the image will be transmitted out of the camera. This reduces the amount of data transmitted by the camera and increases the maximum allowed frame rate. On A400 cameras, a set of individual AOIs can be defined in an AOI list. Each individual AOI can have different parameter settings such as AOI position, AOI dimensions, exposure time, and flash activation. The resulting sets of AOI parameters can be saved in the camera and executed internally. This means that the slow serial communication port is not needed to change from one set of AOI parameters to another and this allows higher frame rates during operation. The AOI editor software tool makes creating an AOI list simple. With this easy-to-use tool, each AOI in the list is created in a graphical way by using a captured image to position the AOI in the most interesting region and to adjust its size. The AOI list is automatically created, and it gives an overview of the positions, sizes, exposure times, delay times, and flash activation for each AOI in the list. The program highlights any incorrect settings and provides the information needed to make corrections.A400 cameras are particularly useful in applications such as PCB inspection where the AOI feature is often used. Bare board inspection and flat panel display inspection are also applications where the A400‘s superior image quality and high speed are both required. Wafer inspection, bonding inspection, die placement, and packaging are all typical applications in the semiconductor market. Other applications include 3D measurement, document processing, and postal and document sorting.
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