Abstract: A transceiver comprises a transmitter including a light source, a modulator coupled to the light source, a driver that drives the modulator according to a set of driving conditions to cause the modulator to output optical signals based on light from the light source, and an output that passes first portions of the optical signals output by the modulator. The transceiver further comprises a first detector that detects second portions of the optical signals output from the modulator, and a receiver including a second detector that detects optical signals from an external transmitter.

Abstract: A transceiver comprises a transmitter including a light source, a modulator coupled to the light source, a driver that drives the modulator according to a set of driving conditions to cause the modulator to output optical signals based on light from the light source, and an output that passes first portions of the optical signals output by the modulator. The transceiver further comprises a first detector that detects second portions of the optical signals output from the modulator, and a receiver including a second detector that detects optical signals from an external transmitter.

Abstract: A method and a system for false alarm reduction in motion detection by scanning cameras. A method for reducing false alarms in scanning camera facilitated motion detection of an object, includes: setting a camera to observe a predefined area; continuously or non-continuously scanning by the camera of the said area for any motion; pausing the camera's scanning if a new motion is detected; analyzing the motion if it has not disappeared, while keeping the object within the camera's field of view; providing an alarm and possibly showing the motion if a motion that should be reported is obtained; and tracking the motion for a period of time at the discretion of the operator.

Abstract: Methods and systems for providing an aligned bank of images (e.g. for a panoramic display obtained by a scanning or moving camera) are disclosed that allow updating of the bank of images as new images are obtained; display of the original images stored in the bank as a mosaic according to any desired zoom; determination and display of the best mosaic view for a desired zoom; recall of the original images from the bank; and production of a mosaic that is free of accumulated stitching errors without imposing limitations on the way the camera scans. The methods and systems herein disclosed further have the ability to anchor the bank of images to the actual ground coordinates. The key to the method is inclusion of an iterative self-correcting procedure that reduces the accumulated errors as new images are added to the bank.

Abstract: A method and a system for false alarm reduction in motion detection by scanning cameras. A method for reducing false alarms in scanning camera facilitated motion detection of an object, includes: setting a camera to observe a predefined area; continuously or non-continuously scanning by the camera of the said area for any motion; pausing the camera's scanning if a new motion is detected; analyzing the motion if it has not disappeared, while keeping the object within the camera's field of view; providing an alarm and possibly showing the motion if a motion that should be reported is obtained; and tracking the motion for a period of time at the discretion of the operator.

Abstract: A method for registration between first and second images, the method including defining, for each individual location from among a plurality of locations sparsely distributed over the first image, a local probability matrix in which each element represents the probability of a possible displacement between the individual location in the first image and its corresponding location within the second image, defining a combined probability matrix by combining corresponding elements over the plurality of probability matrices, and computing an alignment of the first and second images in accordance with a combination of at least one of the largest of the elements of the combined probability matrix; and further, a method for detecting motion within a scene including at least one moving objects by comparing first and second time-separated images of the scene, the method comprising defining, for each individual location from among a plurality of locations distributed over the first image, a local probability matrix in