Abstract: A system and an apparatus are provided, for gaze tracking within a defined operating range. The apparatus includes at least one optical system, which capable of capturing radiation in a wavelength range produced by a composite illumination source. The apparatus also includes at least one set of illumination sources creating the composite illumination source, wherein: at least one of the illumination sources is positioned relative to the optical system such that it ensures a user bright pupil response at the beginning of the apparatus operating range; and the composite illumination source size is such that it creates a Purkinje image on a user's eye capable of being distinguished by the optical system at the end of the apparatus operating range. The apparatus also includes an illumination controller for activating and deactivating the at least one composite illumination source, and a signal processing controller for transmitting generated images from the at least one optical system.

Abstract: A system for capturing a thermal video stream includes a thermal image capture component, such as an IR camera, configured to capture and digitize the thermal video stream having n-bits of data per pixel, a memory configured to store the captured thermal images, and a processor. The processor is configured to select captured thermal images as frames for a video stream and subdivide each captured thermal image into separate m-bit and k-bit image streams. The processor is further configured to compress the m-bit thermal image stream in a video compression format that includes frame and metadata, compress the k-bit image stream using a lossless or substantially lossless compression format, and incorporate the compressed k-bit image stream into the coded m-bit video stream as metadata.

Abstract: An image decoding method performed by means of a decoding device according to the present invention comprises the steps of: obtaining first split information relating to a first target block; if the first split information indicates that the first target block is to be split, splitting the first target block into first sub-blocks; obtaining MPT split information relating to a second target block which is one of the first sub-blocks of the first target block; splitting the second target block into second sub-blocks on the basis of the MPT split information; and decoding the second sub-blocks, wherein the second sub-blocks are non-square blocks.

Abstract: An aerial system, including a processing system, an optical system, an actuation system and a lift mechanism, includes an autonomous photography and/or videography system 70, implemented, at least in part, by the processing system 22, the optical system 26, the actuation system 28 and the lift mechanism 32. The autonomous photograph and/or videography system performs the steps of establishing a desired flight trajectory, detecting a target, controlling the flight of the aerial system as a function of the desired flight trajectory relative to the target using the lift mechanism and controlling the camera to capture pictures and/or video.

Abstract: A surveillance system (1) includes an area information acquisition unit (101), a request information provision unit (102), and a participation consent reception unit (103). The area information acquisition unit (101) acquires information of a surveillance-desired area. The request information provision unit (102) provides participation request information for surveillance that is conducted by using an image capturing unit of a portable terminal in the surveillance-desired area. The participation consent reception unit (103) receives participation consent as a response to the participation request information, from the portable terminal.

Abstract: A camera vision system for creating 3D reconstructions of objects may include a camera, a distance sensor having a fixed spatial relationship with the camera, and a system controller. The system controller receives distance sensor signals from the distance sensor indicating a sensor-to-object distance, determines a camera-to-object distance and a corresponding camera focus state based on the sensor-to-object distance, and transmits camera focus state control signals to cause the camera to adjust to the camera focus state. The system controller retrieves camera intrinsic parameter values for the camera focus state, transmits image capture control signals to cause the camera to capture an object image of the object, receives object image data from the camera for the captured object image, and stores the object image data and the camera intrinsic parameter values in an image database for use in the 3D reconstruction.

Abstract: A video encoding apparatus is a video encoding apparatus for subjecting a video image to motion compensated prediction coding, comprising an acquisition module to acquire available blocks of blocks having motion vectors from encoded blocks adjacent to a to-be-encoded block and number of the available blocks, an acquisition/selection module to select one selection block from the encoded available blocks, a selection information encoder to encode selection information specifying the selection block using a code table corresponding to the number of available blocks, and an image encoder to subject the to-be-encoded block to motion compensated prediction coding using a motion vector of the selection block.

Abstract: A video data encoding apparatus operable to encode an array of input video data values includes: a differential pulse code modulation (DPCM) coder configured to apply a differential pulse code modulation operation to the array of input video data values to generate an array of DPCM data values; a quantizer operable to quantize data derived from the DPCM data values; and controller circuitry controlling selection of a rounding operation by the quantizer from two or more candidate rounding operations.

Abstract: A video encoding apparatus includes: an inter prediction unit to determine a motion parameter of a current block and generate a predicted block of the current block, by performing a motion estimation on the current block; and an optimal mode determining unit to set a prediction mode of the current block as a SKIP mode when (i) the motion parameter of the current block is identical to a motion parameter of a candidate block among a plurality of candidate blocks and (ii) all-zero coefficients result from a transform and a quantization performed on a residual data block representing the difference between the current block and the predicted block.

Abstract: It is possible to generate a range image with higher accuracy. A range image generation apparatus includes: a light emitting unit that emits light toward an object at different light emission intensities; a light receiving unit that captures an image of the object by receiving light including reflected light from the object and calculates a light exposure amount for each pixel; and a range calculating unit that calculates a range to the object by replacing a light exposure amount at a first light emission intensity by a light exposure amount at a second light emission intensity in a predetermined case and generates a range image.

Abstract: Embodiments of the disclosure provide a method and apparatus for processing video signals. An image signal decoding method according to an embodiment of the disclosure comprises the steps of: determining, on the basis of the height and width of a current block, an input length and output length of a non-separable transform; determining a non-separable transform matrix corresponding to the input length and output length of the non-separable transform; and applying the non-separable transform matrix to the current block, wherein, when the height and width of the current block are 4 each, the input length and output length of the non-separable transform are determined to be 8 and 16 respectively.

Abstract: Disclosed is a method allowing enhanced prediction of a video signal, the method comprising the steps of: entropy-decoding a neighboring block adjacent to a target block; inverse-quantizing the entropy-decoded neighboring block; acquiring the modified neighboring block by carrying out a modified inverse transform on an inverse-quantized transform coefficient vector of the neighboring block; and generating a prediction block for the target block based on the modified neighboring block, wherein the modified inverse transform applies a different scaling matrix for each pixel location reconstructed for the inverse-quantized transform coefficient vector of the neighboring block.

Abstract: Embodiments include techniques for generation of candidate motion vector lists for use in inter-prediction. For example, according to some embodiments, a candidate motion vector list is generated to have an order that is based on motion information of each of the candidate motion vectors. The order can be applied as the list is generated, as a resorting after the list is partially generated, or after the list is generated.

Abstract: Wedgelet separation lines of neighboring blocks are predicted from each other by aligning the wedgelet separation lines of such neighboring blocks to each other, thereby reducing the side information coding rate that may be used.

Abstract: A microscope system including: a source of light; a sample objective configured for focusing the light at a focal plane within a sample; a remote focus unit configured for changing a position of the focal plane along an axis perpendicular to the focal plane; one or more optical element configured for directing the focused light to a location within the focal plane; and a detector configured for detecting light emitted from the focal plane within the sample; wherein the one or more optical element is located after the remote focus unit along a beam path of the light from the source to the sample objective, such that the changing the position of the focal plane along the axis is performed before the directing the focused light to the location within the focal plane.

Abstract: A device for decoding video data is configured to perform interpolation filtering using an N-tap filter to generate an interpolated search space for a first block of video data; obtain a first predictive block in the interpolated search space; determine that a second block of video data is encoded using a bi-directional inter prediction mode and a bi-directional optical flow (BIO) process; perform an inter prediction process for the second block of video data using the bi-directional inter prediction mode to determine a second predictive block; perform the BIO process on the second predictive block to determine a BIO-refined version of the second predictive block, wherein a number of reference samples used for calculating intermediate values for BIO offsets is limited to a region of (W+N?1)×(H+N?1) integer samples, wherein W and H correspond to a width and height of the second block in integer samples.

Abstract: A computer-implemented method and system for monitoring activities in industrial sites using data models is presented.

Abstract: A method that is performed by a video encoding device is provided. The method includes identifying N image frames in a sliding window of an image frame sequence, the N image frames including N?1 encoded image frames and a to-be-encoded image frame; obtaining a motion amplitude difference of the N image frames in the sliding window, the motion amplitude difference indicating a difference between a corresponding image frame motion amplitude and a previous image frame motion amplitude; updating a static variable based on the motion amplitude difference of each of the N image frames in the sliding window, the static variable indicating a number of consecutive static image frames; and encoding the to-be-encoded image frame as an I frame based on the updated static variable not being less than a first preset threshold.

Abstract: A video encoding apparatus is a video encoding apparatus for subjecting a video image to motion compensated prediction coding, comprising an acquisition module to acquire available blocks of blocks having motion vectors from encoded blocks adjacent to a to-be-encoded block and number of the available blocks, an acquisition/selection module to select one selection block from the encoded available blocks, a selection information encoder to encode selection information specifying the selection block using a code table corresponding to the number of available blocks, and an image encoder to subject the to-be-encoded block to motion compensated prediction coding using a motion vector of the selection block.

Abstract: To improve encoding efficiency, residual values are mapped so that only non-negative values are utilized when performing the encoding process.