Calibration

Detects circular dots in a binary image and returns the pixel and real world points for calibration. Refines the location of circular dots using a supplied grayscale image.

Sets a simple calibration using pixel ratios in the x and y direction.

Learns the microplane calibration information for correcting images in a nonplanar working plane.

Learns perspective calibration information to correct perspective distortion introduced by a camera that is not perpendicular to the plane of the object under inspection.

Learns a distortion model of the camera and lens setup. If your camera is not perpendicular to the object under inspection, you can combine distortion modeling with perspective calibration.

Learns detailed camera characteristics, including the focal length, optical center, and distortion model. Because a camera model includes a distortion model, you do not need to compute a separate distortion model.

Assigns coordinate system information to a calibration template image.

Sets parameters used to correct the calibration in an image.

Applies calibration information from a calibration template to another image. Both images must be the same size.

Returns calibration information associated with an image.

Returns the internal and external paramters of the learned camera model.

Returns the thumbnail images that were stored during the learning phase of calibration.

Removes the information and thumbnail images used to learn the calibration, to make the size of the calibration file smaller. Relearning and retrieving thumbnails are not possible after compaction.

Transforms real-world coordinates to pixel coordinates, according to the calibration information acquired from the IMAQ Learn Calibration Template VI, the IMAQ Set Simple Calibration VI, or copied from a calibrated image using the IMAQ Set Calibration Info VI.

Transforms pixel coordinates to real-world coordinates, according to the calibration information contained in the image. Calibration information is attached to this image by the IMAQ Learn Calibration Template VI, the IMAQ Set Simple Calibration VI, or the IMAQ Set Calibration Info VI.

Corrects a calibrated image by applying a calibration to create a spatially correct image.

Reads an image file, including any extra vision information saved with the image. This includes overlay information, pattern matching template information, calibration information, and custom data, as written by the IMAQ Write Image And Vision Info File 2 instance of the IMAQ Write File 2 VI.

Writes an image, along with extra vision information associated with the image, to a PNG file. This extra vision information includes overlay information, pattern matching template information, calibration information, and custom data.