Abstract: Improved video coding techniques include deriving prediction pixel blocks for use in intra-coding video and combined inter- and intra-coding video. In a first aspect, the techniques may include deriving value(s) for pixel location(s) of the prediction pixel block by, when a prediction direction vector assigned to the prediction vector points to quadrants I or III of a Cartesian plane, deriving the pixel location's value from pixel values in two regions of previously-decoded pixel data intercepted by extending the prediction direction vector in two opposite directions through the pixel location. When the prediction direction vector points toward quadrants II of the Cartesian plane, deriving the pixel location's value from pixel values in one region intercepted by the prediction direction vector through the pixel location, and from a second region intercepted by a vector that is orthogonal to the prediction direction vector.

Abstract: For a picture with two or more color components, the prediction residuals for the first color component of a block to be encoded may be transformed with a first transform. The transform coefficients for the first color component may go through quantization, de-quantization and inverse transform to obtain reconstructed prediction residuals. Based on the reconstructed prediction residuals for the first color component, the phases of the transform basis function of the first transform can be adjusted to improve the sparsity of the transformed signal. The prediction residuals for the remaining color components may then be transformed with the adjusted transform. In order to determine the phase shift factor, the reconstructed prediction residuals for the first color component may be transformed with the first transform, adjusted by different candidate phase shift factors, and the candidate phase shift factor that provides a smallest sparsity measure can be selected for the block.

Abstract: An encoding device includes a deriving unit and an encoding unit. The deriving unit is configured to derive a first reference value based on fixed point precision representing roughness of a weighting factor that is used for multiplying a reference image. The encoding unit is configured to encode a first difference value that is a difference value between the weighting factor and the first reference value and the fixed point precision. The weighting factor is included in a first range of predetermined bit precision having the first reference value at approximate center. The first difference value is in the predetermined range.

Abstract: An apparatus for video decoding includes processing circuitry. The processing circuitry decodes prediction information of a current block from a coded video bitstream. The prediction information is indicative of an intra block copy mode. The current block is one of a plurality of coding blocks in a coding tree block (CTB) with a right to left coding order being allowed within the CTB. Further, the processing circuitry determines a block vector that points to a reference block in a same picture as the current block and checks that two corner samples of the reference block of the reference block have been reconstructed. In addition, the processing circuitry checks that an additional sample of the reference block has been reconstructed. Then, the processing circuitry reconstructs at least a sample of the current block based on reconstructed samples of the reference block that are retrieved from the reference sample memory.

Abstract: An image detecting device includes a color image sensor configured to sense visible light and to output color image data based on the sensed visible light; a first infrared lighting source configured to provide first infrared rays to a subject; a second infrared lighting source configured to provide second infrared rays to the subject; a mono image sensor configured to sense a first infrared light or a second infrared light reflected from the subject and output infrared image data; and an image signal processor configured to, measure an illuminance value based on the color image data, measure a distance value of the subject based on a portion of the infrared image data corresponding to the first infrared light, and obtain an identification image of the subject based on the illuminance value, the distance value, and a portion of the infrared image data corresponding to the second infrared light.

Abstract: A video decoder can be configured to determine a threshold number of regular coded bins for a first decoding pass; for a first set of coefficients, context decode syntax elements of a coefficient group until the threshold number of regular coded bins is reached; and in response to reaching the threshold number of regular coded bins, for a second set of coefficients, bypass decode additional syntax elements, wherein to bypass decode the additional syntax elements the video decoder, for a coefficient of the second set of coefficients, derives a value for a Rice parameter based on a sum of absolute values of neighboring coefficients to the coefficient; determine values for the first set of coefficients of the transform unit based on the context decoded syntax elements; and determine values for the second set of coefficients of the transform unit based on the additional syntax elements.

Abstract: The present invention relates to an encoding method and decoding method, and a device using the same. The encoding method according to the present invention comprises the steps of: specifying an intra prediction mode for a current block; and scanning a residual signal by intra prediction of the current block, wherein the step of scanning the residual signal can determine a scanning type for a luminance signal and a chroma signal of the current block according to an intra prediction mode for a luminance sample of the current block.

Abstract: A display system includes a light projection device operatively coupled to an image source that generates image data. The system also includes a composite variable focus element (VFE) assembly operatively coupled to the light projection device, the composite VFE assembly comprising a first VFE arranged in series with a second VFE to provide image frames corresponding to the image data for display. The first VFE is configured to switch between focal states within a first focal range and with a first switching response time. The second VFE is configured to switch between focal states within a second focal range and with a second switching response time. The first focal range is greater than the second focal range. The first switching response time is slower than the second switching response time.

Abstract: A depth map generation unit generates a depth map from images obtained by picking up a subject at a plurality of viewpoint positions by an image pickup unit. On the basis of the depth map generated by the depth map generation unit, an alignment unit aligns polarized images obtained by the image pickup unit picking up the subject at the plurality of viewpoint positions through polarizing filters in different polarization direction at the different viewpoint positions. A polarization characteristic acquisition unit acquires a polarization characteristic of the subject from a desired viewpoint position by using the polarized images aligned by the alignment unit to obtain the high-precision polarization characteristic with little degradation in temporal resolution and spatial resolution. It becomes possible to acquire the polarization characteristic of the subject at the desired viewpoint position.

Abstract: According to an embodiment, an encoding device includes a deriving unit and an encoding unit. The deriving unit is configured to derive a first reference value based on fixed point precision representing roughness of a weighting factor that is used for multiplying a reference image. The encoding unit is configured to encode a first difference value that is a difference value between the weighting factor and the first reference value and the fixed point precision. The weighting factor is included in a first range of predetermined bit precision having the first reference value at approximate center. The first difference value is in the predetermined range.

Abstract: A behavior monitoring device includes a controller configured to detect the behavior of a person included in a vehicle-mounted camera image. The controller detects a plurality of persons from the vehicle-mounted camera image. The controller detects attribute information of each of the detected persons and correlation information indicating a correlation between the detected persons. The controller evaluates the behavior of each of the detected persons based on the attribute information and the correlation information and to output the result of the evaluation.

Abstract: A calibration fixture is provided that enables more accurate calibration of a touch probe on, for example, a coordinate measuring machine (CMM), with respect to the camera. The camera is mounted so that its optical axis is approximately or substantially parallel with the z-axis of the probe. The probe and workpiece are in relative motion, along a plane defined by orthogonal x and y axes, and optionally the z-axis and/or and rotation R about the z-axis. The calibration fixture is arranged to image from beneath the touch surface of the probe and, via a 180-degree prism structure, to transmit light from the probe touch point along the optical axis to the camera. Alternatively, two cameras respectively view the fiducial location relative to the CMM arm and the probe location when aligned on the fiducial. The fixture can define an integrated assembly with an optics block and a camera assembly.

Abstract: An encoding device includes: an index setting unit that sets an index that represents information of a reference image and a weighting factor; an index reconfiguring unit that predicts a reference value of the weighting factor, wherein the reference value indicates a factor to be set if a difference of pixel value between a reference image and a target image to be encoded is less than or equal to a specific value; and an entropy encoding unit that encodes a difference value between the weighting factor and the reference value.

Abstract: An encoding device includes an index setting unit that sets an index that represents information of a reference image and a weighting factor. An index reconfiguring unit predicts a reference value of the weighting factor. The reference value indicates a factor to be set if a difference of pixel value between a reference image and a target image to be encoded is less than or equal to a specific value. An entropy encoding unit encodes a difference value between the weighting factor and the reference value.

Abstract: A system for autonomously photographing wildlife includes a camera apparatus, camera mount and actuating unit. The camera apparatus records video data may include a camera, a memory and a processing system which includes a processor and an image analysis module including computer executable instructions stored in the memory. The image analysis module receives a video data file; performs an image analysis of discrete portions of the video data file; detects motion within each respective discrete portion; determines whether the detected motion is caused by an animal; calculates an outline for the animal; and stores a selected discrete portion of the video data file in the memory. The selected discrete portion includes an outline of the animal. The camera mount receives the camera thereon and the actuating unit couples the camera to the camera mount and is actuatable to tilt and/or pan the camera.

Abstract: Systems and methods for detecting potential theft and identifying individuals having a history of committing theft are presented. An electromagnetic emission associated with a personal electronic device associated with an individual is received. One or more signal properties of the electromagnetic emission are analyzed to determine an emission signature. Video data and video analytics are utilized to determine whether an individual has taken possession of an item. The video analytics are correlated with the emission signature in an attempt to identify the individual having possession of the item. The emission signature and video data are stored for later use during a checkout procedure. If an emission signature detected at a checkout station matches that of the individual having possession of the item, and the item is not processed through the checkout station, an alert is issued and the individual is flagged as a potential shoplifter.

Abstract: Methods and apparatus to track a blade are disclosed. A disclosed example apparatus includes a blade that is pivotable, first and second optical targets operatively coupled to the blade, and a first camera for collecting first imaging data of the first optical target within a first field of view. The example apparatus also includes a second camera for collecting second imaging data of the second optical target within a second field of view. The example apparatus also includes a selector to select at least one of the first or second imaging data, and a processor to determine an orientation of the blade based on the selected imaging data.

Abstract: Systems, methods, and computer readable media are described for processing content color volume messages. In some examples, video data is obtained. The video data can include video data obtained from a camera, encoded video data, or decoded video data. Content color volume information associated with the video data is processed. The content color volume information is indicative of the content color volume of one or more pictures of the video data. For example, the content color volume information includes a first luminance value associated with a minimum luminance of the one or more pictures, a second luminance value associated with a maximum luminance of the one or more pictures, and one or more chromaticity coordinates of one or more color primaries describing a color gamut of the one or more pictures.

Abstract: A method for monitoring and detecting physical anomalies may include receiving, by a processor and from a camera of a brushing apparatus, an image of a body from a predetermined distance away from the body. The method may further include detecting, by the processor, an atypical contour of the image that indicates a physical anomaly. The method may further include generating, by the processor, a notification in response to detecting the atypical contour that indicates the physical anomaly.

Abstract: A brushing apparatus includes a head and a handle extending out from the head. The head includes a plurality of bristles. A camera may be secured to the head of the brushing apparatus adjacent to the plurality of bristles. The system may further include a processor and a memory in communication with the processor. The memory contains instructions that, when executed by the processor, cause the processor to receive an image from the camera as bristles of the plurality of bristles are engaged with a body. Further instructions cause the processor to detect an atypical contour of the image that indicates a physical anomaly. Further instructions cause the processor to generate a notification in response to detecting the atypical contour that indicates the physical anomaly.