configpxd.exe (PXD-1000) Does Not Show Live Video

When running configpxd.exe (part of ImageNation PXD-1000 Board Level Library) no live image is shown. However no or status messages show up - what is wrong here?

Framerate of JAI M2 and PCCamLink in CVB

Why does the IFC camera configurator measure a frame rate of 30 fps on a JAI CV M2 (in 10 Bit mode) attached to a PCCamLink while I can only measure significantly less than 30 fps in CVB?

Trigger Inputs on the ViperDigital

I want to use my camera with a ViperDigital in triggered mode. Which trigger input on the ViperDigital shall I use?

FAQ (Common Vision Blox)

1:1 Display with CVB

How can I make sure that may images are displayed in their original size (1:1) in the CVB Display?

Absence of Features in the AVT Marlin series

One or more of the features described in the manual do not exist in the camera!

Angular Measurements With CVB Minos

I want to measure the angle of rotation of an object in my image but I don't know which CVB tool is suitable for this task. Can you give me advice or do you have a demo application?

Application Crash in the CVB Digital I/O Control Tutorials

The CVB DigIO tutorial causes a crash of the tutorial application when starting the Listener with the input of a low signal and then in the first messagebox pressing the Button NO (from the event).

Barcode Reading Quality

Is it possible to receive a the quality or confidence with which a 2 dimensional barcode was decoded by CVB Barcode?

Bayer Encoding Versus RGB Output

What's the advantage of a Camara with Bayer Encoding compared to a Camera with RGB output for Colour Images?

Board Level Library Versions

How do I know what version of the board level software for my framegrabber the VIN driver needs?

Borland C++ Builder and CV Image Control

I get compilation errors when inserting the CVImage Control in Borland C++ Builder and building the application. Why?

Borland C++ Builder and the CVB Movie Control

I get compilation errors when inserting the CVB Movie Control (cvAVIRecOCX ActiveX Control) in Borland C++ Builder and building the application. Why?

CCIR/PAL- and EIA/NTSC-Videostandard with Imagenation PX-610 Boards

Is it possible to use a CCIR- and an EIA-camera with one PX610 board simultaneously?

Changing Zoomstate When Setting Images in CVB Display

How can I avoid changes in zoomstate when setting a new image handle in a CVB Display?

Common Vision Blox and Windows 95

The installation procedure of the CVB CD cannot be started on my computer. What may be the reasons for that?

Common Vision Blox Licensing and Protection Scheme

How is Common Vision Blox copy protected?

Compilation of CVB Control-Wrappers with CBuilder

The compilation of the wrappers for the CVB Controls with the Borland CBuilder fails. Why?

configpxd.exe (PXD-1000) Does Not Show Live Video

When running configpxd.exe (part of ImageNation PXD-1000 Board Level Library) no live image is shown. However no or status messages show up - what is wrong here?

ConfigPXD.exe Reports Missing ImageNation PXD-1000

When starting configpxd.exe from the ImageNation PXD Win32 driver collection I get the message "PXD-1000 not in the PCI slot".
The application did run previously without any problems. Is the frame grabber card or the PCI slot broken?

Converting Display Coordinates to Screen Coordinates and Vice Versa

In my application I would like to determine the image coordinates of several positions by a mouse-click. The mouse-click however does not supply image coordinates but window coordinates instead. How can I convert those coordinate systems?

Create new images with CreateMatrixTransformedImage

What are the differences between the functions
CreateMatrixTransformedImage( ImgIn, Matrix, ImgOut ); and
CreateMatrixTransformedImageEx( ImgIn, Matrix, ImgOut );
of the Image DLL?

Creating MPEG/MPEG2 with CVB Movie

Is it possible to create MPEG or MPEG2 files with CVB MOVIE instead of avi files?

Custom error handling with the CVCError event.

How can I use customized error handling?

CVB Applications in the Autorun Group

Why do I get the error message "Dongle is not connected" when my CVB application is launched during the startup phase of my operating system (e. g. through an entry in the Autorun group or in the Registry)?

CVB BayerToRGB and Higher Bit-Depths

What bit-depths can be converted by the CVB BayerToRGB Tool?

CVB BayerToRGB- Versus IFC5.5 BayerTo RGB Conversion

Why should I convert the Bayer raw image with the CVB BayerToRGB tool instead of with the IFC5.5 Bayer conversion methods I've already bought?

CVB Crosshair Overlay PlugIn Vertices

I found out that the Crosshair OPI's coordinates for one vertex are always 0 while dragging a Crosshair Overlay Object. Other OPIs do not show this behaviour - why?

CVB Display Coordinates on MouseClick.

How can I obtain the coordinates of a mouse click in a CVB display?

CVB Minos Magic Number not Accepted by Registration Dialog

When I enter my 6 digit Magic Number for CVB Minos as provided by STEMMER IMAGING or my local distributor, the registration dialogue tells me, that it is not correct. What's wrong here?

Demo applications for Common Vision Blox

Where can I find additional demo applications for the Image Manager , the Foundation Package and the Common Vision Blox tools?

Demo Mode Limitations

What limitations are there to an unlicensed tool?

Destroying Listener Objects in the CVB Digital I/O Control

My program hangs when I call the CVB Digital I/O control's methods XXXListenerStop and XXXListenerDestroy (where XXX is either Bit or DWORD consecutively. Why?

Determining the CVB Root-Directory

How can I obtain the CVB root directory and then append a sub-path to it?

Determining which Tools to use

How can one find out, which Common Vision Blox tool is suitable for a certain imaging task?

Different Function Names in CVB Arithmetic

In CVB Arithmetic there are several functions with similar names. Some do not work on my images others do. Why?

Display-Update After Changing Image Size or Dimension

When I switch ports with cameras that differ in resolution or bit-depth, the CVB display isn't updated properly.

Displaying a Histogram in Common Vision Blox

I would like to display the histogram of an image. The command ImageHistogram from the Common Vision Blox Image DLL only hands out an array of data. How can a display of those data be realised?

Displaying more than 8 Bits

I have a monochrome 12 Bit camera. How do I display the 12 Bit image in the CVB display?

Driver installation For Silicon Software MicroEnable3

When installing Silicon Software SDK 3.1d on a new PC System, the driver for the framegrabber cannot be installed because the .inf is missing.

Emulating a Standard COM Port on the PCCamLink Under IFC 5.2

How can I emulate a standard COM port on the PCCamLink under IFC 5.2 to use the Windows Hyper Terminal or other standard software with the built-in serial interface of the PCCamLink?

Erratic Horizontal Lines in the Common Vision Blox Display OCX

The picture in the Common Vision Blox Display OCX is sometimes interrupted by a horizontal line. This is not depending on certain images nor does the effect occur permanently in the same image but only sporadically. Why?

Execution Time of CopyImageArea and DuplicateImage

The function DuplicateImage takes 20 ms to execute on a PIII 450 for one CCIR b/w image. The function CopyImageArea even takes significantly longer. Why?

Flickering of CVB Display setting the Zoom-Mode

I need images to be displayed at 1:1 zoom in CVB. My problem is that when I assign a new image to the Display, the display is flickering for a moment. How could I avoid this flicker?

Hints for Porting Applications from CVC to CVB

How much of an effort will it take to port a CVC application to Common Vision Blox?

Histogram for Color Linescan Camera in Sapera CamExpert

How can I get the color histogram of a color linescan camera like e.g. Akyla in the Sapera CamExpert?

How to create an RGB image from 3 mono images

I am using CVB Arithmetic with RGB images. Arithmetic works only on separate planes of the RGB image and therefore I receive as a result 3 monochrome images. So I have to compose these images to a RGB image. The CVB-function CopyImageArea does the job, but it is very slow (e.g. about 40 ms for a CCIR image). Is there another, faster possibility to do this?

How to Quickly Rotate an Image in CVB

What is the fastest way to rotate a (live) image in CVB?

How to Set the Image Origin in CVB

When I use the function CreateSubImage to cut out a part of an image and display the result it in a separate Display, the coordinate system that is used is obviously still from the original image. How can I set the image origin (0,0) into the upper left corner?

How to Use the Blob Function BlobGetConvexPoints in Visual Basic

I want to know if and how I could use the Blob-function BlobGetConvexPoints in Visual Basic.

Image Acquisition in CVB with CVA Leo/Aries or IDS Falcon

After a short temporary loss of the video signal, the image acquisition with an CVA Leo/Aroes or IDS/Falcon grabber in CVB fails. The framerate however climbs to 50 frames per second. Why?

Image Creation and Reference Counting in Common Vision Blox

In my application I create new images at runtime using the DLL function CreateXXXImage. The application is running stable for some time, but then crashes with an OutOfMemory message. Where is the memory leak?

Image Defects on BanditII With High Resolution Camera

I am using a high resolution camera with a BanditII and I see vertical image defects in the right part of the image. What can I do?

Image Scaling in CVB

Is it possible scale an image in CVB, e.g. to double the image size?

Imagenation PX200 and S-VHS Cameras

I have a PXC200 from Imagenation and a SVHS Camera. I use the VB VC Display Example but I dont see a live image. Why?

ImageSnaped Event fired after acquisition timeout

Why is an ImageSnaped event fired after an acquisition timeout?

Initialization of the Display OCX in Delphi

If I load an image into the Image OCX and assign it to the Display OCX in the OnCreate routine in Delphi, the image is not shown when the program starts. Instead, in the place of the Display OCX the background of the windows desktop can be seen.

Installation of Sapera or IFC under Windows NT

Are there any problems concerning the installation of Sapera or IFC under Windows NT?

Invisible JAI Camera Control Tool

I started the Camera Control Tool, I can see it in the taskbar, but I can't see the application on my desktop. Where is the application?

Issues Concerning Older IC-PCI Boards in Up-to-date Computers

In my new computer, my old IC-PCI will not run at all. In my older computer it worked fine. What is wrong?

JAI CV-M7+(CL) Bayer Mosaic Changed

I have a BayerToRGB conversion for the images produced by the JAI CV-M7+ (CL) which is running fine. Now I bought a new camera and the conversion does not work properly any longer. Why?

Learning Classifiers With Minos DLL

Instead of using the TEACH program for training I have implemented my own teaching functionality to my MINOS application. For this I use MINOS-DLL functions LearnCLFFromMTS.
However, the CLF created with my own teaching functions shows other reading results than the CLF learned with the TEACH program even if learned from the same MTS. Why?

Live Video Error Message While Starting ConfigPXD.exe

After installing the ImageNation PXD Win32 driver V1.07B for the digital frame grabber PXD-1000, the configpxd.exe application starts up with the message box: "This application will run without the ability to grab live video. Probable cause: PXD frame grabber not installed". What is missing here?

Loading Image Files other than *.bmp

After loading a TIF image the method IsGrabber returns true. Why?

Locating Several Objects With CVB ShapeFinder

How can I locate several objects simultaneously with CVB ShapeFinder?

Magic Numbers

How are the purchased Common Vision Blox tools unlocked?

Memory leak in SaveWindowToBitmap() of CVdisplay.ocx

I use CVB 8.0.3. With every call of the SaveWindowToBitmap() function of the CVdisplay.ocx the Commit Charge increases. What can I do?

Merging Two Minos Trainingsets Into a Single One

I have made two trainingsets with Minos TeachNT. Now I want to merge the images from both training sets. I did not find any menu entry inside Minos TeachNT. How can I do this?

MicroEnableIII and CVB Image Control

After setting the FileName property of the Image OCX to the CVME3.vin driver (or after selecting this driver as startup image file in the Image Control's property page), my program is unable to open the MicroEnableIII (meIII) driver. Why?

Minimum Framegrabber Timeout in Common Vision Blox

What is the minimum timeout for a Framegrabber I can set in Common Vision Blox?

Minos Classifier Creation in Visual Basic

In Visual Basic most of the functions for creating and handling a training set (MTS) are available. However, the function LearnCLFFromMTS is not supported under Visual Basic. So, is there no way to create a Classifier at runtime in Visual Basic?

Missing Camera Definition Files in the IFC/ITEX Camera Configurator

I have bought a camera from Stemmer (or one of its local distributors) that is supposed to run with the IFC/ITEX. However, when using the respective camera configurator I cannot find a camera definition file that seems appropriate for this camera. Why?

Mixing components from CVC and CVB

Is it possible to use CVB tools in CVC based applications or vice versa?

Mixing Use of the Display DLL and the Display OCX

The Common Vision Blox Display OCX als well as the Common Vision Blox Display DLL provide functions for displaying textual labels on a display. With the OCX methods it is no problem to position a label on a Display OCX, but calling the corresponding functions of the Display DLL on the Display OCX yields nothing. The same effect can be seen with other functions (e. g. Overlay management functions). What is the reason for this behaviour?

More than 8 bit images with CVB

Can I handle image with more than 8 bit with CVB?

Multimedia Devices (USB Cams, Firewire IEEE1394, TV-Tuners) and CVB

Can I use CVB with my USB camera/IEEE1394 Firewire Camera/TV-Tuner card?

Overlay Plug-In Objects in Visual Basic

I receive a "Run-time Error '13' with Type mismatch" in Visual Basic when I call the AddOverlayObject Method". Why?

PC gets stuck with PX-610A while booting up

After installing the PX-610A drivers from CVB or Imagenation my PC gets stuck or shows a blue screen while booting up. What's the reason ?

PHARMACODE and CVB Barcode

Is the PHARMACODE supported by the CVB Barcode Tool?

Porting Applications from CVC to CVB

Is it necessary, to port Common Vision Concept based applications to the new Common Vision Blox architecture? What reasons are there for porting an application to CVB?

Printed Common Vision Blox documentation

Is it posible to purchase the printed Common Vision Blox documentation?

Printing images from CVB

How can I print an image in CVB?

Problems After the Installation of a BanditII (AGP-version)

I installed a BanditII (AGP-version) into my computer and now my PC does not react anymore. What can I do?

Problems installing the ViperRGB Device Driver 4.00 under Winindows XP

I have problems installing the ViperRGB Device Driver 4.00 under Windows XP. What can I do?

Problems Reading a PDF417 Barcode

When I try to read a PDF417 barcode with one of the tutorial applications of CVB Barcode I always get the result "no code read". However my images and the barcode look good enough to be read. Is there anything I can do?

Problems when coding with the AVT driver from CVB 9.0.2

When trying to compile one of the samples that is installed with the AVT driver setup from Common Vision Blox 9.0.2 or trying to compile an application that uses teh CVAVT1394.vin driver together with the CVCPort -dll and the CVCDriver-dll I keep getting error messages from my compiler.

Problems with some CVB Controls in Borland C++ Builder

I get compilation errors when inserting e. g. the PrintQual Control in Borland C++ Builder. Why?

Problems with the VPAT and newer CVB Drivers

When I call the GetImageVPA function once at the beginning of my program and then use the acquired VPAT during the rest of the program, my software crashes with an access violation. Why?

PX610 Driver Shows Only Half an Image in CVB

When loading the PX-510 PX-610 driver (cvcpxa_95.vin, cvcpxa_NT.vin or cvcpxa_2k.vin) in any CVB tutorial program, only the upper half of the image is displayed, the lower half remains black. Why? Why is only a part of the image visible when I execute a CVB Tutorial program with the PX610 grabber ?

PXC200A* and Hardware Detection

I installed my PXC200A* but after every reboot, Windows detects two new hardware devices. What is wrong?

RemoveAllOverlayObjects is too slow

I have some troubles using the Display method RemoveAllOverlayObjects. When I am erasing a large number of overlays it takes up to several seconds to remove them! . How can I speed the removal of overlays up?

Requirements for VIN-Drivers to work correctly

What do I have to install that CVB works with an image aquistion device like a Framegrabber or a Camera?

Saving Images in the IFC/ITEX Camera Configurator

Using the camera configurator I simply want to save an image to disk. But although I get no error message, no image is written. Why?

Saving of Image Sequences with CVB

Is it possible to save sequences of images from CVB into an AVI or MPEG file?

Saving of Images With More Than 8 Bits per Pixel

Is it possible to save images with more than 8 Bits per pixel into an image file in CVB?

Scaling the Live Images on a TV Monitor on BanditII

I am using a TV monitor as secondary display of my BanditII. The resolution of my camera is higher than the resolution of the TV monitor. Is it possible to scale the live images down to the resolution of the monitor?

Scaling the pixeldepth from 10 to 8 Bit on a PCCamlink

I am using a 10 Bit camera with a PCCamlink. I want to scale the pixeldepth down to 8 Bit. How can I do that?

Selecting Monochrome or Colour for the PXC200 Driver

I have a PXC200 from Imagenation and a monchrome camera. In the CVB Tutorial programs I get a monochrome 24 Bit image. How could I get an 8 Bit image?

Settings of the Common Vision Display OCX

If I attune settings of the Display OCX (e. g. the selection of the color planes) in my development environment at design time, those settings are disregarded at runtime. How can I make preselections anyway?

Stripes on the CVB Display

When I have connected an interlaced camera to my Frame Grabber, I can see several large horizontal stripes in the Display of my CVB application, especially when I move the camera around while doing a live display. What's wrong?

Taking Single Shot Images from a Camera

I simply want to take an image from my CCD camera using Common Vision Blox and then process this image, but I cannot find any function suitable for taking a single image.

The CVB Dongle is not Recognized by CVB

Although my CVB dongle is attached to the parallel port, all CVB applications are only running in demo mode and the Common Vision Blox System Information resp. the Management Console (CVB 10) program also indicates 'Not licensed - using demo mode' instead of my serial number. What's up?

The Line OPI

I have a Line OPI, which I move on the display. How do I get the position of this line (in terms of start and end point coordinates of the Line)?

Turning off a Grab in the Blockready Event

Using the Linescan OCX of the Common Vision Blox Image Manager, I want to stop data acquisition by setting the continue parameter to FALSE in the OnAcqBlockReady event if the LastBlock parameter was TRUE.
If I do so, however, at least the first block of my image is overwritten. How do I prevent this from happening?

Using Allied Vision Technologies IEEE 1394 cameras with Common Vision Blox

How do I use an AVT FireWire camera under Common Vision Bloxx?

Using IFC with ANSI C Compilers

Is it possible to code IFC applications using an ANSI C compiler instead of the Visual C++ compiler?

Using Several Grayscale Cameras on the PC-RGB

I have a PC-RGB and some grayscale cameras and I want to make use of the possibility to grab several grayscale cameras simultaneously by connecting them to the three colour channels of the PC-RGB. How do I do this?

Using the SYNC Signal Driver of the Imagenation PX610

The Imagenation PX610 has the ability to output HD and VD pulses for synchronization of cameras. How do I use this feature

VRMagic AVC-1 and USB 1.x

Is it possible to use the analog to USB converter box VRmAVC-1 on a USB 1.x interface?

When loading the Xcelera CVB Driver the debug window allways opens.

When loading the CVXceleraCLPX4.vin driver from any CVB application, the debug console windows allways opens and shows debug information. Even when the debug error log parameter in the .ini file is turned off. In addition the message: "INI-File not found -> Default values will be used." is shown in the error log.

X64Shaft Encoder Frequency

Why do I get erronous images when I use a shaft encoder linetrigger input at the X64CL/X64CliPro although the shaft encoder input frequency is lower than the allowed maximal linetrigger frequency of the used camera?

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