G01S7/52065

Method and apparatus for synthesizing medical images

A method of synthesizing medical images includes acquiring image data of an object; generating first medical image frames of the object based on the image data; selecting, from among the first medical image frames, second medical image frames corresponding to points of time that have the same electrocardiogram (ECG) signal information of the object; generating a panoramic image by synthesizing the second medical image frames; and displaying the panoramic image on a display.

AN IMAGING SYSTEM AND METHOD WITH STITCHING OF MULTIPLE IMAGES
20210012490 · 2021-01-14 ·

An imaging system combines a probe for obtaining image data in respect of a structure of interest below a surface of a subject, a first camera for obtaining images of the surface of the subject and a second camera for capturing images of the environment. A surface model of the subjects surface is obtained, and the position and/or orientation of the probe is tracked on the surface. Image data acquired at different positions and orientations is stitched based on the tracked position of the probe.

TECHNIQUES FOR DETERMINING ULTRASOUND PROBE MOTION

The present disclosure relates to extraction of probe motion estimates from acquired ultrasound image frames. Such image-extracted probe motion data can be used alone or in combination with sensed motion data, such as acquired using an inertial measurement unit (IMU). In certain implementations, the image-extracted probe motion can be used to provide or maintain anatomic context in a sequence of images or to provide guidance to a user.

Stitching methods to enhance beamforming results

Various apparatus or methods are arranged to operate a tool in a wellbore, where the tool has a number of acoustic sensors. Scanning images obtained by the tool sensors along the borehole can be combined to increase the contrast of leak location with respect to background noise. A sequence of beamformed images, generated from signals captured by the tool as it moves over a range of depths of the wellbore, can be acquired. Each beamformed image may overlap at least one other beamformed image of the sequence. The beamformed images can be processed and the processed beamformed images can be combined, forming a stitched image. Additional apparatus, systems, and methods operable in providing stitched images can operate in a variety of applications.

Ultrasonic device and ultrasonic imaging method

An ultrasonic device provides a wider image to a user of the device and includes a transducer for transmitting a plane wave; and a processor for controlling the transducer to sequentially transmit plane waves in a plurality of different travelling directions and thereby extend a transmission range in which the plane waves travel, where the transducer receives a plurality of ultrasonic signals which are reflected from an object by each of the transmitted plane waves, and the processor synthesizes the plurality of received ultrasonic signals so as to image at least a predetermined partial region in the extended transmission range.

METHOD AND SYSTEM FOR INCREASING EFFECTIVE LINE DENSITY OF VOLUME COMPOUND ULTRASOUND IMAGES
20200196991 · 2020-06-25 ·

Systems and methods for increasing effective line density of volume compound ultrasound images while maintaining the frame rate, penetration depth, and other image characteristics are provided. The method includes acquiring a first lateral plane at a first elevational position. The first lateral plane includes a first set of receive lines at a first set of lateral positions. The method includes acquiring a second lateral plane at a second elevational position adjacent the first elevational position. The second lateral plane includes a second set of receive lines at a second set of lateral positions laterally offset from the first set of lateral positions. The method includes combining the first lateral plane and the second lateral plane to generate a compound image and presenting the compound image at a display system. The compound image may be a volume compound image in an A-plane generated based on volume compound imaging rendering algorithms.

METHODS AND SYSTEM FOR TRANSFORMING MEDICAL IMAGES INTO DIFFERENT STYLED IMAGES WITH DEEP NEURAL NETWORKS
20200202502 · 2020-06-25 ·

Various methods and systems are provided for transforming a style of an image into a different style while preserving content of the image. In one example, a method includes transforming a first image acquired via a medical imaging system into a second image based on visual characteristics of a third image using a system of deep neural networks configured to separate visual characteristics from content of an image, where the second image includes a content of the first image and the visual characteristics of the third image and the first and second images have different visual characteristics. The transformed second image may then be presented to a user.

Ultrasonic Probe Positioning Method and Ultrasonic System
20200129150 · 2020-04-30 ·

An ultrasonic probe positioning method includes acquiring a first positioning location inside the ultrasonic probe, acquiring a first foot of perpendicular location corresponding to the first positioning location on an image marginal line with a detecting depth of the ultrasonic probe, setting a first center location within a detecting coverage of the ultrasonic probe, acquiring a second foot of perpendicular location, a normal plane vector, and a plane equation corresponding to the normal plane vector of the ultrasonic probe after the ultrasonic probe is shifted with an offset and rotated with a rotating angle, generating a second center location satisfying the plane equation according to the plane equation and the first center location, and optionally displaying a spherical space corresponding to the second center location on an ultrasonic slice image according to a distance between the first center location and the second center location.

IMAGING METHOD AND DEVICE
20200126270 · 2020-04-23 · ·

An imaging method. The method comprises the following steps: determining a target by identifying target-related position information or characteristic information (S101); implementing a two-dimensional scan of the target to collect image data of the target in a three-dimensional space (S102); processing, during the scanning, and on a real-time basis, the image data and relevant spatial information to obtain a plurality of image contents of the target, and displaying the image content on a real-time basis (S103); and arranging the plurality of image contents in an incremental sequence to form an image of the target (S104). The imaging method prevents collection of unusable image information, shortens image data collection time, and increases the speed of an imaging process. The application further provides an imaging device.

ULTRASOUND TRANSDUCER TILE REGISTRATION

An ultrasound imaging system (1) comprises an ultrasound transducer array (100) comprising a plurality of ultrasound transducer tiles (101a-d), each of said tiles having an independently adjustable orientation such as to conform an ultrasound transmitting surface to a region of a body (50) including a foreign object such as a pacemaker, a stent, or an interventional tool (200). Using a known spatial arrangement of a plurality of features (201-204) of the foreign object (200), the respective ultrasound images generated by the ultrasound transducer tiles are registered in order to generate a composite image, in which the position and orientation of the foreign object in the individual images is superimposed. The position and orientation of an interventional tool may be determined for each image using object recognition algorithms or using acoustic feedback information provided by at least three ultrasound sensors (201-204) arranged in a known spatial arrangement on the interventional tool.