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    What is Microsoft Windows Image Acquisition WIA?

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  2. Windows Image Acquisition (WIA) - Win32 apps | Microsoft Docs

    docs.microsoft.com/en-us/windows/win32/wia
    • Introduction
    • Efits of Windows Image Acquisition 2.0
    • Development of Windows Image Acquisition
    • Overview of Windows Image Acquisition
    • TS About Windows Image Acquisition 2.0
    • Developer Audience

    The WIA platform enables imaging/graphics applications to interact with imaging hardware and standardizes the interaction between different applications and scanners. This allows those different applications to talk to and interact with those different scanners without requiring the application writers and scanner manufactures to customize their application or drivers for each application-device combination.

    WIA provides benefits to application developers, device manufacturers, and scanner users who need to interact with imaging hardware.

    The imaging architecture in Windows 2000 and Windows 95 or later consisted of a low-level hardware abstraction, Still Image Architecture (STI), and a high-level set of APIs known as TWAIN. In Windows XP and Windows Me WIA was introduced. WIA is an imaging architecture that builds on STI and does not require TWAIN, although TWAIN is still supported alongside WIA. WIA 1.0 was introduced in Windows Me and Windows XP and supports scanners, digital cameras and digital video equipment. WIA 2.0 was released with Windows Vista. WIA 2.0 is targeted towards scanners but continues to offer support for legacy WIA 1.0 applications and devices through a WIA 1.0 to WIA 2.0 compatibility layer provided by the WIA service. However, video content support was removed from WIA for Windows Vista. We recommend Windows Portable Devices (WPD) API for digital cameras and digital video equipment in the future. WIA 1.0 as well as STI TWAIN drivers are still supported directly on Windows Vista and Windows 7 al...

    WIA provides a framework that allows a device to present its unique capabilities to the operating system and allows imaging applications to invoke those unique capabilities. The WIA platform includes a data acquisition protocol, a Device Driver Model and Interface (DDI), an API and a dedicated WIA service. The platform also includes a set of built-in kernel mode drivers that support communication with imaging devices locally connected through USB, serial/parallel, SCSI and FireWire interfaces. The WIA subsystem also includes a transparent compatibility layer which allows TWAIN compatible applications to employ and use WIA-driver-based devices. Network connected imaging devices that support Web Services for Devices (WSD) protocol can also be used from WIA-compliant imaging applications on Windows Vista and Windows 7 out of the box via a WSD-WIA class driver that shipped as part of Windows Vista. The class driver converts WIA calls to WSD calls and vice versa and makes already existin...

    The data transfer mechanism in WIA 2.0 is stream based. The stream abstraction removes the distinction between different transfer types and also allows exchange of mutually agreed-upon metadata bet...
    WIA 2.0 subsystem also includes a basic image processing filter driver add-on that is optionally replaceable by the scanner driver, if the driver chooses to provide a customized image processing fi...
    The segmentation filter is another handy WIA component that can be replaced by a more customized filter by the scanner driver. The segmentation filter can be used for multi-region scanning. Multi-r...
    WIA 2.0 provides a replaceable/extensible error handler to gracefully handle, and possibly recover from, software, hardware and configuration errors and delays. The error handler is another WIA com...

    The WIA API is designed for use by C/C++ programmers. Familiarity with the Windows GUI and Component Object Model (COM) interfaces is required. For developers familiar with Microsoft Visual Basic 6.0, Active Server Pages (ASP), or scripting, WIA provides an automation layer for Windows XP Service Pack 1 (SP1) or later that builds upon and simplifies access to the foundation provided by C/C++. For information about the automation layer, see Windows Image Acquisition Automation Layer.

  3. Introduction to WIA - Windows drivers | Microsoft Docs

    docs.microsoft.com/en-us/windows-hardware/...

    The Microsoft Windows Image Acquisition (WIA) interface is both an application programming interface (API) and a device driver interface (DDI). The WIA API is designed to allow applications to: Run in a robust and stable environment. Minimize interoperability problems. Enumerate available image acquisition devices.

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  4. About Windows Image Acquisition - Win32 apps | Microsoft Docs

    docs.microsoft.com/en-us/windows/win32/wia/-wia...

    The Windows Image Acquisition (WIA) interface is both an API and a device driver interface (DDI). The WIA API is designed to allow applications to: Run in a robust and stable environment. Minimize interoperability problems.

  5. Windows Image Acquisition - Wikipedia

    en.wikipedia.org/wiki/Windows_Image_Acquisition

    Windows Image Acquisition (WIA; sometimes also called Windows Imaging Architecture) is a proprietary Microsoft driver model and application programming interface (API) for Microsoft Windows Me and later Windows operating systems that enables graphics software to communicate with imaging hardware such as scanners, digital cameras, and digital video equipment.

  6. What's New in Windows Image Acquisition (WIA) 2.0 - Win32 ...

    docs.microsoft.com/en-us/windows/win32/wia/-wia...

    In this article. Many new Windows Image Acquisition (WIA) API are included in Windows Image Acquisition (WIA) 2.0. Moreover, there are some forward and backward incompatibilities between Windows Image Acquisition (WIA) 1.0 and the WIA 2.0 service that ships with Windows Vista. Some interfaces, structures, properties, and property values of WIA 1.0 are not supported by, and applications using them will not run on, Windows Vista and later.

    Topic
    Contents
    Used by applications to enumerate IWiaItem2 objects in the item tree's current folder.
    The IScanProfile interface represents a single scan profile and enables applications to set and get the properties of the profile.
    The IScanProfileMgr interface provides methods for creating, opening, deleting, and managing scan profiles.
    The IScanProfileUI interface enables applications to display a dialog box so that users can create, modify, and delete scan profiles.
  7. Look at me! Windows Image Acquisition | Coding4Fun Articles ...

    channel9.msdn.com/coding4fun/articles/Look-at-me...

    Oct 31, 2006 · WIA is an API included in Windows that aims to unify the acquisition of images from all kinds of devices, including scanners and cameras. This is a pretty low-level API and a bit of a hassle to us.

  8. WIA interfaces - Win32 apps | Microsoft Docs

    docs.microsoft.com/en-us/windows/win32/wia/-wia...

    This section contains reference information about the interfaces used with the Windows Image Acquisition (WIA)API. The following interfaces are presented: Interfaces.

  9. Fix: Windows Image Acquisition High CPU - Appuals.com

    appuals.com/fix-windows-image-acquisition-high-cpu

    Windows Image Acquisition (WIA) is a Microsoft driver model which enables the graphics software to communicate with hardware such as printers, scanners, digital cameras, and other video equipment. It is the standard and main imaging API for all versions of Windows starting from Windows NT.

  10. Windows Image Acquisition process - high CPU usage - Windows ...

    www.tenforums.com/performance-maintenance/20328...

    Windows Image Acquisition (WIA; sometimes also called Windows Imaging Architecture) is a proprietary Microsoft driver model and application programming interface (API) for Microsoft Windows Me and later Windows operating systems that enables graphics software to communicate with imaging hardware such as scanners, digital cameras and Digital Video-equipment.

  11. could not start the windows image acquisition (wia) service ...

    answers.microsoft.com/en-us/windows/forum/...

    could not start the windows image acquisition (wia) service on local computer.This happens whenever i try to start the WIA on services.msc.Also my HP scanner software never opens,i could scan images before,but now i can't even open the HP SCAN software.I have reinstalled and installed the HP Driver Software and HP Scanning software,but still it ...

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