Other

Apple Inc.

Image Analysis, Inc.

Judd E Reed

Ben A Arnold

Ari Y Benbasat

Stephen Theodore Schooley

Joshua A Hoover

Clayton J McCoy

Yufei Zhao

Kendall L Helbert

Sean M Cole

Zhao Liu

Devon J Rosner

Structured noise from various aggressors can be suppressed to improve touch performance. A respective noise characteristic can be determined for each respective group of touch nodes (e.g., row, column) among multiple groups of touch nodes in a masked touch image. The respective noise characteristic can be removed from the corresponding respective group of touch nodes in the touch image. For example, a respective noise characteristic can be determined for each respective row and/or for each respective column in the masked touch image. The respective noise characteristic can be removed from the respective row and/or column in the unmasked touch image. In some examples, the determining and subtracting of the noise characteristic can be repeated iteratively within a window of time and/or until one or more noise criteria are met.

Suppression of structured image artifacts

An electronic device such as a portable electronic device may have display with a capacitive touch sensor. A cover may have a front portion and a rear portion that bend along a bend axis. The front portion may overlap the display when the cover is closed. Conductive structures such as a patterned conductive layer having elongated strips of conductive material separated by gaps or another predetermined pattern may be formed in the front portion of a cover or other portion of a cover that overlaps the display and capacitive touch sensor when the cover is closed. Control circuitry in the device can gather capacitance images with the touch sensor and can detect when the cover has transitioned from open to closed or from closed to open from whether the predetermined pattern becomes present or becomes absent in the capacitance images.

Electronic devices with covers

A method automatically scores calcium in the aorta and other arteries of the body using calcium plaque definitions that include subject specific in vivo blood/muscle density measurements, subject specific voxel statistical parameters and 2D and 3D voxel connectivity criteria to automatically identify the plaques. The images are optionally calibrated with external phantoms or internal reference tissue. Aortic calcium is identified automatically without manual marking. Potential false plaques from bone are automatically excluded. A 3D coordinate system provides the specific coordinates of the detected plaques, which are displayed in a plaque map for follow-up exams or ease in plaque review.

Automated calcium scoring of the aorta

A method automatically detects and quantifies arterial plaque (hard plaque, soft plaque or both) in the coronary arteries of the heart from CT images. The method uses plaque definitions based on subject specific in vivo blood/muscle and fat density measurements, subject specific voxel statistical parameters and 2-D and 3-D voxel connectivity criteria to automatically identify the plaques. The locations of the major arteries are determined in a 3-D coordinate system; and the specific coordinates of the detected plaques are displayed in a plaque map for follow-up exams or ease in plaque review, editing and reporting the results.

Automatic detection and quantification of plaque in the coronary arteries of subjects from CT scans

A method automatically segments the heart and abdominal aorta from volumetric images without the need to inject iodine contrast media into the subject. The method automatically quantifies arterial plaque (hard plaque, soft plaque or both) in the cardiovascular system. Plaque definitions include subject specific in vivo blood/muscle density measurements, subject specific voxel statistical parameters and 2-D and 3-D voxel connectivity criteria, which are used to automatically identify the plaques. The locations and outlines of the major arteries are determined in a 3-D coordinate system and the specific coordinates of the detected plaques are displayed in a plaque map for follow-up exams or ease in plaque review and reporting the results.

Automatic segmentation of the heart and aorta in medical 3-D scans without contrast media injections

An automated method measures coronary calcium in a living subject using x-ray computed tomography (CT). The method acquires at least one CT image containing voxels representing x-ray attenuation of the subject which may or may not be calibrated. The method of analysis may or may not require operator interactions and includes analyzing the images in a computer to identify the boundaries of the heart. The method further includes identifying the approximate location of at least one coronary artery without operator interaction. The method further includes placing a region-of-interest (ROI) surrounding the artery location automatically. The method further includes analyzing the ROI to identify voxels above a threshold value. The method further includes determining the calcium content in mass units.

Growing community of inventors

Santa Rosa, CA, United States of America

Judd E Reed