Abstract: An alpha channel is generated, typically in real time, using image data acquisition that contemporaneously captures image data representing the visible portion of the light spectrum and image data representing the invisible portion of the light spectrum. In some embodiments, the invisible portion of the light spectrum is generated by a fluorescent dye applied to an object or actor in a scene, while in other embodiments the invisible portion of the light spectrum is generated by a light source located behind the object or the actor.

Abstract: A light emitting device structure including a first light emitting element and a second light emitting element is provided. The first light emitting element includes a first anode and a first cathode. The second light emitting element is stacked on the first light emitting element and includes a second anode and a second cathode, wherein the second cathode is electrically connected to the first anode. An operation method of the light emitting device structure is also provided.

Abstract: During operation, an electronic device may capture images using multiple image sensors having different fields of view and positions. Then, the electronic device may determine, based at least in part on an apparent size of an anatomical feature in the images (such as an interpupillary distance) and a predefined or predetermined size of the anatomical feature, absolute motion of at least a portion of the individual along a direction between at least the portion of the individual and the electronic device. Moreover, the electronic device may compute based at least in part on an estimated distance along the direction corresponding to the apparent size and the predefined or predetermined size and angular information associated with one or more objects in the images relative to the positions, absolute motion of at least the portion of the individual in a plane that is perpendicular to the direction.

Abstract: During an analysis technique, a three-dimensional (3D) image of a portion of an individual is iteratively transformed to facilitate accurate determination of detailed multi-point annotation of an anatomical structure. In particular, for a given marker point, in response to receiving information specifying a two-dimensional (2D) plane having an angular position in the 3D image, the 3D image is translated and rotated from an initial position and orientation so that the 2D plane is presented in an orientation parallel to a reference 2D plane of a display. Then, after annotation information specifying the detailed annotation in the 2D plane of the given marker point is received, the 3D image is translated and rotated back to the initial position and orientation. These operations may be repeated for one or more other marker points.

Abstract: An apparatus has an array of antennae. Each antenna in the array has a tile circuit including a frequency conversion circuit to generate from an incoming reference signal a local oscillator carrier signal operative as an outgoing reference signal for an adjacent tile circuit. A mixer receives the local oscillator carrier signal and combines it with an antenna signal to produce a frequency converted antenna signal. A matrix of phase shifters and variable gain elements produces a set of frequency converted and phase rotated antenna signals. Analog summers combine the frequency converted and phase rotated antenna signals with user input signals from the adjacent tile circuit for distributed analog beam forming of multiple streams. The user input signals correspond to distinct users tracked by the array of antennae.

Abstract: An apparatus, comprising has an array of power amplifiers. A power detector collects a power signal applied to the array of power amplifiers. Digital logic is connected to the array of power amplifiers and the power detector. The digital logic is configured to evaluate the power signal and select an array pattern from a set of array patterns and generate a control signal to implement the array pattern on the array of power amplifiers. Each array pattern in the set of array patterns includes at least one operative power amplifier.

Abstract: Techniques are provided for modeling indoor scenes including receiving a request for a 3D model of an indoor scene based on multiple flat images of the indoor scene, where the images obey no more than a limited overlap requirement, are absent of depth information, and are taken from one or more viewpoints. The techniques proceed by determining vanishing points in the images, receiving floor contour information that was determined based on the vanishing points; reconstructing the 3D vertex positions of two or more floor plan parts using a geometric constraint matrix that encodes coordinate equalities among said vertices, based on the floor contour information; and assembling a combined floor plan based at least in part on the floor plan parts. The techniques proceed by receiving a floor plan outline indicating walls and generating the 3D model of the indoor scene based on the floor plan outline.

Abstract: An apparatus has an array of antennae. Each antenna in the array has a tile circuit including a frequency conversion circuit to generate from an incoming reference signal a local oscillator carrier signal operative as an outgoing reference signal for an adjacent tile circuit. A mixer receives the local oscillator carrier signal and combines it with an antenna signal to produce a frequency converted antenna signal. A matrix of phase shifters and variable gain elements produces a set of frequency converted and phase rotated antenna signals. Analog summers combine the frequency converted and phase rotated antenna signals with user input signals from the adjacent tile circuit for distributed analog beam forming of multiple streams. The user input signals correspond to distinct users tracked by the array of antennae.

Abstract: An apparatus, comprising has an array of power amplifiers. A power detector collects a power signal applied to the array of power amplifiers. Digital logic is connected to the array of power amplifiers and the power detector. The digital logic is configured to evaluate the power signal and select an array pattern from a set of array patterns and generate a control signal to implement the array pattern on the array of power amplifiers. Each array pattern in the set of array patterns includes at least one operative power amplifier.

Abstract: A computer system that provides stereoscopic images is described. During operation, the computer system generates the stereoscopic images at a location corresponding to a viewing plane based on data having a discrete spatial resolution, where the stereoscopic images include image parallax. Then, the computer system scales objects depicted in the stereoscopic images so that depth acuity associated with the image parallax is increased, where the scaling is based on the spatial resolution and a viewing geometry associated with a display. For example, the viewing geometry may include a distance from an individual that views the stereoscopic images on the display and the display. Alternatively, the viewing geometry may include a focal point of the individual. Next, the computer system provides the resulting stereoscopic images to the display. In this way, the computer system may optimize the depth acuity for data having discrete sampling.

Abstract: Dynamic registration of event handlers in a computer application or operating system recognizes multiple synchronous input streams by identifying each new stroke in a frame representing a single moment in time and mapping in a registration process each identified new stroke to a listening process that is associated with the user interface element to which the new input stream is to he applied. In the same frame, released strokes are unmapped and then each active listening process is called to carry out a respective control operation. When called, the strokes have the correct data for the given frame. The process is repeated for subsequent frames. By carrying out various processes in a sequence of frames, the concept of concurrency is preserved, which is particularly beneficial to multi-touch and multi-user systems.

Abstract: A process for enabling objects displayed on a multi-input display device to be grouped together is disclosed that includes defining a target element that enables objects displayed on a multi-input display device to be grouped together through interaction with the target element. Operations are invoked that establish a relationship between a particular displayed object and a position on the target element and that causes transformations applied to the target element also to be applied to the particular displayed object while maintaining the relationship between the particular displayed object and the position on the target element.

Abstract: Dynamic registration of event handlers in a computer application or operating system recognizes multiple synchronous input streams by identifying each new stroke in a frame representing a single moment in time and mapping in a registration process each identified new stroke to a listening process that is associated with the user interface element to which the new input stream is to be applied. In the same frame, released strokes are unmapped and then each active listening process is called to carry out a respective control operation. When called, the strokes have the correct data for the given frame. The process is repeated for subsequent frames. By carrying out various processes in a sequence of frames, the concept of concurrency is preserved, which is particularly beneficial to multi-touch and multi-user systems.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for input classification for multi-touch systems. In one aspect, a method includes maintaining a history of prior state information related to a touch sensitive display. The method further includes detecting that a previous contact with the touch sensitive display was incorrectly classified. The method further includes updating a classification of the previous contact based on the detection that the previous contact was incorrectly classified. The method further includes rewinding a state of the touch sensitive display to reflect a state that would have resulted had the previous contact been correctly classified based on the history of prior state information and the updated classification of the previous contact.

Abstract: A process for enabling objects displayed on a multi-input display device to be grouped together is disclosed that includes defining a target element that enables objects displayed on a multi-input display device to be grouped together through interaction with the target element. Operations are invoked that establish a relationship between a particular displayed object and a position on the target element and that causes transformations applied to the target element also to be applied to the particular displayed object while maintaining the relationship between the particular displayed object and the position on the target element.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for digital signal processing (DSP) techniques for generally improving a signal-to-noise ratio (SNR) of capacitive touch sensors.

Abstract: Controlling virtual objects displayed on a display device includes controlling display, on a display device, of multiple virtual objects, each of the multiple virtual objects being capable of movement based on a first type of input and being capable of alteration based on a second type of input that is different than the first type of input, the alteration being different from movement. A subset of the multiple virtual objects as candidates for restriction is identified, and based on identifying the subset of virtual objects as candidates for restriction, a responsiveness to the first type of input for the subset of virtual objects is restricted. The first type of input applied to a first virtual object included in the subset of virtual objects and a second virtual object included in the multiple virtual objects is detected, with the second virtual object being excluded from the subset of virtual objects.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for digital signal processing (DSP) techniques for generally improving a signal-to-noise ratio (SNR) of capacitive touch sensors.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for input classification for multi-touch systems. In one aspect, a method includes receiving data describing a first region of contact with a touch sensitive display and a second region of contact with the touch sensitive display. The method includes determining at least one characteristic of the first region of contact. The method includes based on the at least one characteristic of the first region of contact, determining that the first region of contact corresponds to intended touch input provided by a user's body part or stylus. The method includes determining at least one characteristic of the second region of contact. The method includes based on the at least one characteristic of the second region of contact, determining that the second region of contact corresponds to incidental touch input provided by a user's resting body part.

Abstract: Objects displayed on a display component of a multi-touch display device may be assigned to and displayed at various visual layers, with each visual layer corresponding to a different depth relative to a foreground (or background) of the display component of the multi-touch display device. One or more annotations may be generated in response to user interaction with the multi-touch display device, with each annotation being assigned to an appropriate visual layer.