A synthetic acceleration shape bound primitives composing a 3-D scene, and is defined using a group of fundamental shapes arranged to bound the primitives, and for which intersection results for group members yield an ultimate intersection testing result for the synthetic shape, using a logical operator. For example, two or more spheres are used to bound an object so that each of the spheres is larger than a minimum necessary to bound the object, and a volume defined by an intersection between the shapes defines a smaller volume in which the object is bounded. A ray is found to potentially intersect the object only if it intersects both spheres. In another example, an element may be defined by a volumetric union of component elements. Indicators can determine how groups of shapes should be interpreted. Synthetic shapes can be treated as a single element in a graph or hierarchical arrangement of acceleration elements.

An image processing method separates an input image into a skeleton component, and residual component. In the method a local variation amount, which is a variation amount between a target pixel and a pixel adjacent to the target pixel, is calculated; a skeleton component extraction filter weight is calculated based on the local variation amount; an image feature amount of a gradient direction of a pixel value around the target pixel, and an image feature amount of a gradient strength of the pixel value around the target pixel, are calculated; the skeleton component extraction filter weight is corrected based on these image feature amount; a skeleton component extraction filter coefficient is calculated based on the corrected skeleton component extraction filter weight; and the skeleton component is extracted by applying skeleton component extraction filtering to the target pixel using the calculated skeleton component extraction filter coefficient.

Methods and systems for obtaining a probabilistic diagnosis based on medical images of a patient are disclosed. In exemplary embodiments, such methods include the steps of scanning some or all of a patient to obtain a medical image; evaluating the medical image for one or more designated key features; assigning discrete values to the one or more designated key features to form a patient scan key feature pattern; and transmitting the values of the one or more designated key features to a processor programmed to match the patient scan key feature pattern to one or more known disease-specific key feature patterns to create a probabilistic diagnosis and transmit the probabilistic diagnosis to a user. Associated systems include a medical imaging device that is capable of producing a medical image of some or all of a patient and a processor programmed to create a probabilistic diagnosis.

Configurations are disclosed for presenting virtual reality and augmented reality experiences to users. The system may comprise an image-generating source to provide one or more frames of image data in a time-sequential manner, a light modulator configured to transmit light associated with the one or more frames of image data, a substrate to direct image information to a user's eye, wherein the substrate houses a plurality of reflectors, a first reflector of the plurality of reflectors to reflect transmitted light associated with a first frame of image data at a first angle to the user's eye, and a second reflector to reflect transmitted light associated with a second frame of the image data at a second angle to the user's eye.

Systems and methods for generating an augmented reality interface for generics activities are disclosed. The systems and methods may be directed to creating an augmented reality display for an activity performed on a surface. Given an image of the activity, an activity solver library and associated configuration information for the activity may be selected. The surface of the activity from the image may be rectified, forming a rectified image, from which activity state information may be extracted using the configuration information. The activity state information may be provided to the activity solver library to generate solution information, and elements indicating the solution information may be rendered in a perspective of the original image. By providing the configuration information associated with an activity solver library, an augmented reality interface can be generated for an activity by capturing an image of the activity.

Systems and methods for ground truth determination in lane departure warnings are provided. The methods include receiving time slice images of a lane captured at different time frames from an image capturing unit. The intensity profiles of these time slice images are determined and these intensity profiles of the images are smoothened to obtain a smoothened histogram. A threshold value of these time sliced images are determined and further refined to extract the lane marking of a lane. The lane extended to multiple rows of a lane to determine the ground truth value used for validating a lane departure warning.

An information processing apparatus for processing stereo images of an object includes a disparity calculator to calculate a disparity of the stereo images. The disparity calculator includes an evaluation value calculator to calculate a correlation evaluation value in a search range set for the stereo images; an extreme value detector to detect an extreme value of the correlation evaluation value; a threshold setting unit to set a threshold range for the detected extreme value; a counting unit to count the number of the extreme value existing within the threshold range; and an updating unit to update the set threshold range to a new threshold range when a new extreme value indicating a higher correlation level of the disparity compared to the set threshold range is detected. The counting unit counts the number of the extreme value in a threshold range updated most recently in the search range.

A three-dimensional shape of a subject is acquired in a healthy and realistic calculation time, using two-dimensional images taken by a general camera having a narrow angle of view. The processing apparatus calculates an image taking position of each of a plurality of images, and includes: a storage unit for storing thereinto a selected image set including images whose image taking position has been calculated; a calculation unit calculates a plurality of image taking position candidates for an unselected image of the plurality of images; a selection unit selects an optimum image taking position having a highest degree of coincidence in correspondence points, from among the plurality of image taking position candidates for the unselected image; and a determination unit determines whether or not the unselected image is added to the selected image set.

A breast composition information acquisition section acquires a mammary gland content ratio in each unit pixel in a breast region of a radiological image obtained by irradiating a breast of a subject with radiation. A noise reduction section acquires an index value indicating the size of a variance range of pixel values at each unit pixel position from the mammary gland content ratio of each unit pixel, performs a noise reduction process so that the level of noise reduction at a position of an attention pixel is low as the index value is small, and performs the noise reduction process so that the level of noise reduction at the position of the attention pixel is high as the index value is large.

The present invention provides a method of validating a media item, the method comprising receiving image data corresponding to a plurality of digital images of a media item to be validated, wherein each image is associated with a respective one of a plurality of different channels of an illumination source for illuminating the media item, selecting image data corresponding to two of the plurality of images, dividing a common parameter of the selected image data associated with corresponding locations of the two selected images to create ratio image data representing a ratio image for two different channels of the illumination source, extracting feature information associated with the ratio image, and classifying the extracted feature information with at least one classifier of a validation template to determine whether or not the media item is valid. A computer program and a Self-Service Terminal for validating a media item, such as a banknote, are also provided.