Computer-implemented image acquisition system

    公开(公告)号:US20020122071A1

    公开(公告)日:2002-09-05

    申请号:US10087257

    申请日:2001-10-19

    CPC classification number: G06F3/0481 Y10S345/902 Y10S715/97

    Abstract: An image acquisition system has a computer and one or more imaging devices coupled to the computer. Each imaging device has a device memory and is capable of capturing a digital image and storing the image in its memory. An image device manager is implemented in software on the computer to control operation of the imaging devices. The image device manager presents a user interface (UI) within the familiar graphical windowing environment. The UI has a context space that pertains to a particular imaging context (e.g., scanning, photography, and video). The UI also has a persistently-visible imaging menu positioned within the context space that lists options particular to the imaging context. For example, if the context space pertains to the digital camera context, the menu lists options to take a picture, store the image on the computer, send the image in an email, and so on. In the scanner context, the menu lists options to select an image type, preview an image, send the image to a particular destination, and scan the image. The image acquisition system also includes a set of application program interfaces (APIs) that expose image management functionality to applications. The APIs enable applications to manage loading and unloading of imaging devices, monitor device events, query device information properties, create device objects, capture images using the devices, and store or manipulate the images after their capture.

    Automatic analysis and adjustment of digital images with exposure problems
    2.
    发明申请
    Automatic analysis and adjustment of digital images with exposure problems 有权
    自动分析和调整数字图像曝光问题

    公开(公告)号:US20040190789A1

    公开(公告)日:2004-09-30

    申请号:US10400593

    申请日:2003-03-26

    CPC classification number: G06T5/40 G06T5/009 G06T2207/20008

    Abstract: Techniques and tools for analyzing and adjusting the exposure of digital images are described. For example, a computer processes a digital image by analyzing exposure data, assigning an image classification (e.g., StretchNeeded, UnderExposed, OverExposed, or Normal) based on the analysis, and selecting an exposure compensation technique (e.g., histogram stretch, positive gamma curve, negative gamma curve, or no adjustment) based on the image classification. The exposure data can be luminance values for pixels in the digital image represented in a histogram. The computer can produce transform data comprising a transformation of the exposure data according to the selected exposure compensation technique. The computer can store transform data in a look-up table and can store the look-up table in the digital image file. The described techniques and tools can be implemented as a feature of an operating system environment and can be activated responsive to user action via a user interface.

    Abstract translation: 描述了分析和调整数字图像曝光的技术和工具。 例如,计算机通过分析曝光数据,基于分析分配图像分类(例如,StretchNeeded,UnderExposed,OverExposed或Normal)来处理数字图像,并且选择曝光补偿技术(例如,直方图拉伸,正伽玛曲线 ,负伽马曲线或无调整)。 曝光数据可以是在直方图中表示的数字图像中的像素的亮度值。 计算机可以产生包括根据所选择的曝光补偿技术的曝光数据变换的变换数据。 计算机可以将变换数据存储在查找表中,并且可以将查找表存储在数字图像文件中。 所描述的技术和工具可以被实现为操作系统环境的特征,并且可以通过用户界面响应于用户动作来激活。

    Automatic analysis and adjustment of digital images upon acquisition
    3.
    发明申请
    Automatic analysis and adjustment of digital images upon acquisition 有权
    采集后自动分析和调整数字图像

    公开(公告)号:US20040258308A1

    公开(公告)日:2004-12-23

    申请号:US10600199

    申请日:2003-06-19

    Abstract: Techniques and tools for automatically analyzing and adjusting digital images upon acquisition are described. In one aspect, an application analyzes and adjusts image data (e.g., pixel data) automatically upon acquiring (e.g., from a source such as a digital camera) a digital image. Adjustments can be based on, for example, image orientation, red-eye detection, blurriness, color balance, exposure, or noise detection. Metadata corresponding to image adjustments can be stored in an adjusted image file to preserve the original image. In another aspect, a computer system comprises image analysis and image adjustment software modules for analyzing and adjusting digital image data at image acquisition time. The image adjustment module can include one or more processing filters. A customizable software architecture allows customization of the image adjustment software module (e.g., by adding, removing or reordering processing filters). The described techniques and tools can be implemented as features of an operating system environment.

    Abstract translation: 描述了在采集时自动分析和调整数字图像的技术和工具。 在一个方面,应用程序在获取数字图像(例如,来自诸如数字照相机的源)时自动分析和调整图像数据(例如,像素数据)。 调整可以基于例如图像定向,红眼检测,模糊度,颜色平衡,曝光或噪声检测。 对应于图像调整的元数据可以存储在调整后的图像文件中,以保留原始图像。 另一方面,计算机系统包括图像分析和图像调整软件模块,用于在图像获取时分析和调整数字图像数据。 图像调整模块可以包括一个或多个处理过滤器。 可定制的软件架构允许定制图像调整软件模块(例如,通过添加,移除或重新排序处理过滤器)。 所描述的技术和工具可以被实现为操作系统环境的特征。

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