Ccv Deutschland Driver

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The topics in this section describe how a client driver must configure their device.

About CCV - Community Core Vision Community Core Vision, CCV for short is a open source/cross-platform solution for blob tracking with computer vision. It takes an video input stream and outputs tracking data (e.g. Coordinates and blob size) and events (e.g. Finger down, moved and released) that are used in building multi-touch applications.

A USB device exposes its capabilities in the form of a series of interfaces called a USB configuration. Each interface consists of one or more alternate settings, and each alternate setting is made up of a set of endpoints. The device must provide at least one configuration, but it can provide multiple configurations that are mutually exclusive definitions of what the device can do. For more information about configuration descriptors, see USB Configuration Descriptors.

The client driver must select at least one of the supported configurations in order to make the device to work. A WDM-based client driver can select any of the configurations in a USB device. If your client driver is based on Kernel-Mode Driver Framework or User-Mode Driver Framework, you should use the respective framework interfaces for.
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Device configuration refers to the tasks that the client driver performs to select a USB configuration and an alternate interface in each interface. Before sending I/O requests to the device, a client driver must read the device's configuration, parse the information, and select an appropriate configuration. The client driver must select at least one of the supported configurations in order to make the device to work.

A WDM-based client driver can select any of the configurations in a USB device.

If your client driver is based on Kernel-Mode Driver Framework or User-Mode Driver Framework, you should use the respective framework interfaces for configuring a USB device. If you are using the USB templates that are provided with Microsoft Visual Studio Professional 2012, the template code selects the first configuration and the default alternate setting in each interface.

In this section

Topic	Description
In this topic, you will learn about how to select a configuration in a universal serial bus (USB) device.
This topic describes the steps for issuing a select-interface request to activate an alternate setting in a USB interface. The client driver must issue this request after selecting a USB configuration. Selecting a configuration, by default, also activates the first alternate setting in each interface in that configuration.
This topic provides information about registry settings that configure the way Usbccgp.sys selects a USB configuration. The topic also describes how Usbccgp.sys handles select-configuration requests sent by a client driver that controls one of functions of a composite device.

For information about special considerations related to the configuration of devices that require firmware downloads, see Configuring USB Devices that Require Firmware Downloads.

Limitations for Selecting a Configuration

Certain restrictions apply if a client driver is using WDF objects or whether the device has a single interface or multiple interfaces. Consider the following restrictions before changing the default configuration:

A client driver for a composite device that manages interfaces or interface collections through the USB Generic Parent Driver (Usbccgp.sys) cannot change the device's configuration value. However, the client driver can configure Usbccgp.sys to select a configuration other than the first (default) configuration. For more information, see Configuring Usbccgp.sys to Select a Non-Default USB Configuration.
A KMDF-based client driver that is using the framework's USB I/O Targets can select only the first configuration.
WinUSB supports only the first configuration.
A class driver frequently lacks support for multiple configurations. If your device implements a class that is defined by a USB class specification, see the USB Technology website for information about device classes and class specifications. Microsoft provides class drivers for the supported USB device classes. For more information, see Drivers for the Supported USB Device Classes.

A simple interface for advanced visual tracking.

Open Source

Published under an open-source LGPL license on Github to allow for others to contribute features and forks.

Camera Support

Supports a wide range of camera devices with the ability to stitch and switch in between sensors on the fly.

Cross Platform

Built on C++ for real-time performance and stability using on common frameworks including OpenCV and openFrameworks.

An overview of the application and features.

About CCV - Community Core Vision

Community Core Vision, CCV for short is a open source/cross-platform solution for blob tracking with computer vision. It takes an video input stream and outputs tracking data (e.g. coordinates and blob size) and events (e.g. finger down, moved and released) that are used in building multi-touch applications. CCV can interface with various web cameras and video devices as well as connect to various TUIO/OSC/XML enabled applications and supports many multi-touch lighting techniques including: FTIR, DI, DSI, and LLP with expansion planned for the future vision applications (custom modules/filters). This project is developed and maintained by the NUI Group Community.

Features

Simple GUI - The new interface is more intuitive and easier to understand and use.
Filters (dynamic background subtraction, high-pass, amplify/scaler, threshold) - This means it will work with all optical setups (FTIR, DI, LLP, DSI). More filters can be added as modules.
Camera Switching - Have more than one camera on your computer? Now you can press a button and switch to the next camera on your computer without having to exit the application.
Input Switching- Want to use test videos instead of a live camera? Go ahead, press a button and it will switch to video input.
Dynamic Mesh Calibration - For people with small or large tables, now you can add calibration points (for large displays) or create less points (smaller displays) while maintaining the same speed and performance.
Image Reflection- Now you can flip the camera vertical or horizontal if it is the wrong way.
Network Broadcasting - You can send OSC TUIO messages directly from the configapp for quick testing.
Camera and application FPS details viewer - Now you can see the framerate of both the tracker and camera that you are getting.
GPU Mode - Utilize your GPU engine for accelerated tracking.
Cross-platform - This works on Windows, Mac, and Linux.
Multiple Camera Support - Camera stitching and calibration for larger environments. (Windows Preview)
Object/Pattern Tracking - Tracks fidicuals and objects places on surface.
External Communications - External communications with TUIO and other protocols.

Upcoming:

Code Sync - Major refactroing of all codebase to latest feature set.
Optical Flow - Gives you momentum variables out of the video stream.
ROI Selection- Optimizing processing by using only the Region of Interest.

Related Projects

License

CCV is released under the commercial
friendly LGPL License

Sponsors & Programs

Contributors

and more...

About the Community

Established in 2006, The Natural User Interface Group is an open source community that creates and shares interaction techniques & standards that benefit designers & developers throughout the world. We offer a collaborative environment for scientists that are interested in learning and developing modern Human/Computer Interaction methods and concepts. Our research includes topics such as: computer vision, touch computing, voice & gesture recognition, experience design and information visualization. Our mission is to openly discover, document and distribute NUI knowledge. Getting started is simple; register as a member and learn more about us...

Getting started using the application and controls.

Controls

1. Source image - Displays the raw video image from either camera or video file.
2. Use Camera Toggle - Sets the input source to camera and grabs frames from selected camera.
3. Use Video Toggle - Sets the input source to video and grabs frames from video file.
4. Previous Camera Button - Gets the previous camera device attached to computer if more than one is attached.
5. Next Camera Button - Gets the next camera device attached to computer if more than one is attached.
6. Tracked Image - Displays the final image after image filtering that is used for blob detection and tracking.
7. Inverse - Track black blobs instead white blobs.
8. Threshold Slider - Adjusts the level of acceptable tracked pixels. The higher the value is, the bigger the blobs have to be to track.
9. Movement filtering - Adjust the level of acceptable distance (in pixels) before a movement of a blob is detected. The higher the option is, the more you have to actually move your finger for CCV to register a blob movement.
10. Min Blob Size - Adjust the level of acceptable minimum blob size. The higher the option is, the bigger a blob has to be to be assigned an ID.
11. Max Blob Size - Adjust the level of acceptable maximum blob size. The higher the option is, the bigger a blob can be before losing its ID.
12. Remove Background Button - Captures the current source image frame and uses it as the static background image to be subtracted from the current active frame. Press this button to recapture a static background image
13. Dynamic Subtract Toggle - Dynamically adjusts the background image. Turn this on if the environmental lighting changes often or false blobs keep appearing due to environmental changes. The slider will determine how fast the background will be learned..
14. Smooth Slider - Smoothes the image and filters out noise (random specs) from the image.
15. Highpass Blur Slider - Removes the blurry parts of the image and leaves the sharper brighter parts.
16. Highpass Noise - Filters out the noise (random specs) from the image after applying Highpass Blur.
17. Amplify Slider - Brightens weak pixels. If blobs are weak, this can be used to make them stronger.
18. On/Off Toggle - Used on each filters, this is used to turn each filter on or off.
19. Camera Settings Button - Opens the camera settings. This will open controls of the camera, especially when using a PS3 Eye camera.
20. Flip Vertical Toggle - Flips the source image vertically.
21. Flip Horizontal Toggle - Flips the source image horizontally.
22. GPU Mode Toggle - Turns on experimental hardware acceleration and uses the GPU. This is best used on newer graphics cards only.
23. Send UDP Toggle - Turns on the sending of TUIO messages.
24. Flash XML - Turns on the sending of Flash XML messages (no need for flosc anymore).
25. Binary TCP - Turns on the sending of RAW messages (x,y coordinates).
26. Enter Calibration - Loads the calibration screen.
27. Save Settings - Saves all the current settings into the XML settings file.

Quick Setup

Download and extract the stable latest build of CCV for your platform.
Launch the CCV application (.app, .exe, etc).
Adjust the filter sliders to suite your sensing technique.
Enter calibration mode and test results.
Start your client applications which recieves tracking data.

Calibration