Abstract: A system and method may analyse and display intestinal motility events, based on an image stream captured by an in vivo imaging device. According to some embodiments, the system includes a storage unit to store image frames from the image stream, a processor to select a strip of pixels from a plurality of image frames of the image stream and to align the selected strips adjacently to form a motility events bar, and a visual display unit for displaying the motility events bar to a user.

Abstract: An in-vivo device includes a first communication circuit to communicate with an external communication device by using a first communication protocol while the in- vivo device is in the gastrointestinal system of a subject, a communication condition monitoring (CCM) circuit to monitor communication conditions for the first communication circuit, a second communication circuit to communicate with the external communication device by using a second communication protocol, and a controller configured to receive, from the communication condition monitoring (CCM) circuit, a signal indicative of a communication condition of the communication via the first communication circuit, to compare the communication condition to prerequisite communication condition(s), and to activate the first communication circuit and concurrently deactivate the second communication circuit, or vice versa, based on the comparison result.

Abstract: Embodiments of the invention are related to a system and method of controlling a display of image stream. The system may include a memory to store the image stream; the image stream may comprise a plurality of image frames. The system may further include a processor configured to execute the method. The moving image stream may be displayed to a user in an image stream display area of a screen and a frame rate control interface may be generated on a speed control area of the screen, such that the image stream display area is horizontally adjacent to the speed control area. An indication of a desired frame rate for displaying the image stream of the image frames may be received from the user, in that the frame rate may be selected according to a location of a pointing indicator in the speed control area.

Abstract: An in-vivo imaging device and method for performing spectral analysis include inserting the in-vivo device into a patient's lumen, illuminating the tissue lumen and collecting the light scattered and reflected from the tissue. The device may comprise at least six illumination sources for illuminating the tissue. At least two of the six illumination sources illuminate at a different wavelength in the blue spectral region, at least two illuminate at a different wavelength in the green spectral region, and at least two illuminate at a different wavelength in the red spectral region. The illumination sources are adapted to illuminate in groups of three, wherein each group of three illumination sources comprises one illumination source that illuminates in the blue spectral region, one in the green spectral region, and one in the red spectral region. Each group of three illumination sources illuminates simultaneously.

Abstract: An in-vivo imaging system and method to automatically detect a pathology frame sequence in an image stream captured in vivo. An image stream comprising a plurality of image frames captured in vivo may be received, and a pathology score for at least a portion of the image frames is received. A seed frame which includes at least one pathology candidate may be selected, and the position of the pathology candidate in the seed frame may be determined. A sequence of frames adjacent to the seed frame is defined comprising frames that depict the pathology candidate, and a pathology sequence score is calculated based on the sequence, the pathology sequence score correlating to the probability that the sequence of frames adjacent to the seed frame includes a pathology. If the pathology sequence score is within a range, a display method may be adapted, or the pathology score may be changed based.

Abstract: The present invention provides a system and method for obtaining in vivo images. The system contains an imaging system and a transmitter for transmitting signals from a camera to a receiving system located outside a patient.

Abstract: A system and method for estimating a size of an object in an image is provided. A tissue model may be provided. Points in an image may be selected. A distance or estimated distance of the points from an imaging device may be determined based on the tissue model. A geometrical relation associating the point, distances and an object may be derived. A size parameter of the object may be calculated based on the geometrical relation. Other embodiments are described and claimed.

Abstract: A system, method and virtual tool for size estimation of in-vivo objects includes receiving and displaying a two-dimensional image of in-vivo objects obtained by in-vivo imaging device; receiving indication of a selected area representing a point of interest from the user via a user input device; estimating depth of a plurality of image pixels around the selected area; calculating three-dimensional coordinates representation of the plurality of image points, based on the estimated depths; casting a virtual tool of a known size onto the three-dimensional representation; and projecting the virtual tool onto the two-dimensional image to create a cursor having a two-dimensional shape on the displayed image.

Abstract: The invention provides a device for in-vivo imaging, for example, using an in-vivo imaging device including an imager a lens and an illumination source, all positioned behind a single viewing window. The in-vivo imaging device may include an element to block light from reaching a point of reflection on the inner surface of the viewing window, thereby preventing the light from being received by the imager.

Abstract: The present invention provides a system and method for obtaining in vivo images. The system contains an imaging system and a transmitter for transmitting signals from a camera to a receiving system located outside a patient.

Abstract: A device, system and method for cytology acquisition which may be performed with a swallowable in vivo device, specifically with a swallowable endoscopy capsule. The swallowable capsule may comprise a rotatable drum, a brush attached onto the drum for brushing against a tissue and acquiring cytology, and a porthole through which the brush may be in contact with the tissue.

Abstract: An optimization unit controls electrical currents of a set of electromagnets to generate a wanted maneuvering magnetic field pattern (MMP) for moving an in-vivo device in the GI system. The optimization unit may calculate a magnetic force and a magnetic field to maneuver the in-vivo device from a current location and/or orientation to a new location and/or orientation. The optimization unit may solve a magnetic force optimization problem with respect to the magnetic force in order to determine electrical currents suitable for generating the wanted MMP. The optimization unit may additionally or alternatively solve a minimum electrical power optimization problem with respect to the electrical power to be consumed by the electromagnets in order to recalculate or adjust the electrical currents. The optimization unit may solve one or more of the optimization problems while complying with a set of constraints associated with or derived from each type of optimization objective.

Abstract: A system and method for detection of calorimetric abnormalities within a body lumen includes an image receiver for receiving images from within the body lumen. Also included are a transmitter for transmitting the images to a receiver, and a processor for generating a probability indication of presence of colorimetric abnormalities on comparison of color content of the images and at least one reference value.

Abstract: A system and method for acquiring images containing spatial and spectral information of an object include acquiring defocused images using an optical system based on extended depth of field. The optical system further includes a filter array comprising an array of at least six different sub-filters that are arranged such that any group of four immediately adjacent sub-filters includes at least one red sub-filter, at least one green sub-filter and at least one blue sub-filter. The filter array is located at the aperture stop of the optical system. A coded mask is located at the focal plane of the optical system, and an imager is located beyond the focal plane such that images acquired by the imager are defocused. The images are refocused, and spectral and spatial information is restored by designated software.

Abstract: A device and method for viewing a body lumen are provided. An assembly of a capsule endoscope and an endoscope is inserted into a body lumen. The capsule endoscope is positioned within the body lumen at a predetermined distance from the endoscope, and images are obtained from opposite sides of a desired location in the body lumen. In vivo procedures may be performed, while images of the procedure are obtained from opposite sides of the procedure location.

Abstract: A system and method for identifying an in-vivo image frame with one or more polyps. Center points of candidate imaged structures may be determined, each center point defining a respective circle. Polyp edge scores may be computed for a plurality of points around each center point, each polyp edge score measuring the coincidence of a respective candidate imaged structure and its respective circle. For each center point, a plurality of edge points of the respective candidate imaged structure may be detected based on the polyp edge score and a candidate imaged structure may be identified based on the detected edge points. For each candidate imaged structure, a candidate polyp may be identified for which extrapolating the detected edge points forms an edge in a shape approximating an ellipse. Image frames with candidate polyps contributing to an above threshold overall image score are determined and marked to include a polyp.

Abstract: A system and method for determining location and orientation of an in-vivo device, with respect to an external system in which the device is located include a frame with external magnets attached thereon. An in-vivo device is inserted into the patient's body, which is placed within the system, and the external magnets apply magnetic forces on the in-vivo device. A radio beacon transmitter is attached to the frame for transmitting a radio pulse. The in-vivo device includes an ultrasonic transmitter for transmitting an ultrasonic signal, which is triggered by the radio pulse. At least three transponders are placed on the patient's body, each transponder sending a first acoustic signal triggered by the radio pulse, and each sending a second acoustic signal triggered by the device's ultrasonic signal.

Abstract: The invention provides a device for in-vivo imaging, for example, using an in-vivo imaging device including an imager a lens and an illumination source, all positioned behind a single viewing window. The in-vivo imaging device may include an element to block light from reaching a point of reflection on the inner surface of the viewing window, thereby preventing the light from being received by the imager.

Abstract: A system and method for detecting a transition in a stream of images of a gastrointestinal (GI) tract may include selecting images from an in-vivo image stream; calculating a segment score for each selected image indicating in which segment of the GI tract the image was captured; applying a smoothing function on the scores; detecting a global step in the smoothed segment score signal indicating a substantial change in a parameter calculated based on segment score signal values of the segment score signal values; detecting a local step indicating a substantial change in a parameter calculated based on segment score signal values of a predetermined interval of the of the segment score signal values; combining the local step and the global step; and determining a point of transition in the stream from one anatomical segment to another, the point of transition correlating to the combined step.

Abstract: A device, system, and method for activating and initializing an in vivo imaging device with an RF radiation signal. Functionality of the in vivo imaging device is tested and results may be reported to a user. The in vivo imaging device may include an RF switch to facilitate powering or deactivation of one or more electrical components of the device. The initialization system may include an optical artifact testing unit, a field of illumination testing unit, and a transmission/reception testing unit. The activation system may comprise an in vivo device association unit which may relate a designated device to a single data recorder or to a single controller.