Abstract: A device (D1) is dedicated to the processing of video images which are intended to be transmitted to a receiver (R) so as to be used to construct synthesis images to be displayed. This device (D1) is devised, in the presence of a video image acquired consisting of video image data, so as to construct a processed image by replacing in this acquired video image some of its video image data by a control message which contains at least one group of control data, of nonvideo type and defining information which is intended to be used by the receiver (R) to construct a synthesis image to be displayed on the basis at least of the remaining video image data, after the replacement, in the processed image.

Abstract: The invention relates to a method and arrangement for determining structures and/or geometry of a workpiece in a coordinate measuring machine by means of a tactile-optical measuring method, wherein the position of a shaped probe element is determined in at least one direction by means of a first sensor using an optically lateral measuring method, and the position of the shaped probe element is determined in at least one second direction using at least one distance sensor. In order to allow the error-free detection of the shaped probe element using the sensors, the invention proposes that at least one flexible connector element is used in a mounting for fastening the shaped probe element, permeated by the beam path of the first sensor in the beam direction, wherein the connecting element is transparent and/or is disposed severely out of focus with respect to the first sensor.

Abstract: An image processing device includes an image acquisition unit for acquiring a normal light observation image captured with white light and a special light observation image captured simultaneously with the normal light observation image using predetermined narrowband light, and an image processing unit for subjecting the normal light observation image acquired by the image acquisition unit to predetermined processing to generate a processed normal light observation image and providing information of the processed normal light observation image to the special light observation image.

Abstract: The interactive and shared surface technique described herein employs hardware that can project on any surface, capture color video of that surface, and get depth information of and above the surface while preventing visual feedback (also known as video feedback, video echo, or visual echo). The technique provides N-way sharing of a surface using video compositing. It also provides for automatic calibration of hardware components, including calibration of any projector, RGB camera, depth camera and any microphones employed by the technique. The technique provides object manipulation with physical, visual, audio, and hover gestures and interaction between digital objects displayed on the surface and physical objects placed on or above the surface. It can capture and scan the surface in a manner that captures or scans exactly what the user sees, which includes both local and remote objects, drawings, annotations, hands, and so forth.

Abstract: In some examples, a video encoder includes multiple sequence parameter set (SPS) IDs in an SEI message, such that multiple active SPSs can be indicated to a video decoder. In some examples, a video decoder activates a video parameter set (VPS) and/or one or more SPSs through referencing an SEI message, e.g., based on the inclusion of the VPS ID and one or more SPS IDs in the SEI message. The SEI message may be, as examples, an active parameter sets SEI message or a buffering period SEI message.

Abstract: An illumination system having a refractive optical element that compensates for dependence in irradiance of images of objects captured by a photosensor is provided. The refractive optical element may structure the light such that similar objects in the same spherical surface in the field of view of the camera have the same irradiance on the camera photosensor. The illumination system may have an image sensor, a light source, and a refractive optical element. The image sensor has a photosensor that captures images of objects in a field of view. The irradiance of images of objects having a given exitance that are captured by the photosensor may depend on angular displacement from an optical axis of the image sensor. The refractive optical structures light from the light source to illuminate the field of view to compensate for the dependence of irradiance on angular displacement from the optical axis.

Abstract: A method and apparatus for transmitting frames, the method comprising: determining a maximal frame size, maximal frame size violation threshold larger than the maximal frame size, maximal bitrate and maximal transmission time; receiving a frame to be transmitted, the frame having a size; responsive to the size not exceeding the maximal frame size: transmitting the frame during a time period not exceeding the maximal transmission time; responsive to the size exceeding the maximal frame size but not exceeding the maximal frame size violation threshold: transmitting the frame at a bitrate substantially equal to the maximal bitrate; and transmitting at least one subsequent frame during a time period shorter than the maximal transmission time; and responsive to the size exceeding the maximal frame size violation threshold: transmitting the frame; and skipping one or more subsequent frames.

Abstract: In a video distribution system, a divider to segment an input video stream into partitions for each of a plurality of channels of the video stream is provided. A channel analyzer is coupled to the divider wherein the channel analyzer decomposes the partitions. An encoder is coupled to the channel analyzer to encode the decomposed partitions into an encoded bitstream wherein the encoder receives coding information from at least one of the plurality of channels to be used in encoding the decomposed partitions into the encoded bitstream. A decoder receives the coded bitstream to decode the received bitstream and to reconstruct the input video stream. The decoder uses the coding information to decode the bitstream.

Abstract: A method of signaling additional chroma QP offset values that are specific to quantization groups is provided, in which each quantization group explicitly specifies its own set of chroma QP offset values. Alternatively, a table of possible sets of chroma QP offset values is specified in the header area of the picture, and each quantization group uses an index to select an entry from the table for determining its own set of chroma QP offset values. The quantization group specific chroma QP offset values are then used to determine the chroma QP values for blocks within the quantization group in addition to chroma QP offset values already specified for higher levels of the video coding hierarchy.

Abstract: The present invention relates to a method for using interlaced video signal of a base layer in interlayer texture prediction. The present method separates interaced video signal of a base layer into even-field and odd-field components, interpolates the even-field and the odd-field components respectively in vertical and/or horizontal direction, and constructs a combined video data by interleaving the interpolated even-field and odd-field components.

Abstract: An illumination system and methods to control a light source are provided. An illumination system includes a light source, a two-dimensional non-Passive Infrared (non-PIR) imager, and a controller. The light source may provide at least two levels of illumination. The non-PIR imager images an area and to produce image data representative of images across at least part of a visible portion of an electromagnetic spectrum. The controller is communicatively coupled to receive the image data from the non-PIR imager and process the received image data to detect at least one object in the area of a defined type of object. The controller is also coupled to control operation of the light source based on, at least in part, detection of the ambient characteristic of the environment. Alternatively, one or more components of a system may be used to monitor traffic, with or without active illumination.

Abstract: Systems, methods and devices are implemented for microscope imaging solutions. One embodiment of the present disclosure is directed toward an epifluorescence microscope. The microscope includes an image capture circuit including an array of optical sensor. An optical arrangement is configured to direct excitation light of less than about 1 mW to a target object in a field of view of that is at least 0.5 mm2 and to direct epi-fluorescence emission caused by the excitation light to the array of optical sensors. The optical arrangement and array of optical sensors are each sufficiently close to the target object to provide at least 2.5 ?m resolution for an image of the field of view.

Abstract: A method and apparatus involves directing light captured within the field of view of the lens to an aperture plane of the lens, receiving the captured light at a spatial discriminator located proximate the aperture plane, the discriminator including a first portion disposed to transmit light having a first optical state through a first portion of the single imaging path and a second portion disposed to transmit light having a second optical state through a second portion of the single imaging path. The first and second portions of the single imaging path provide respective first and second perspective viewpoints within the field of view of the lens for forming respective first and second images at an image sensor disposed at an image plane of the lens. The first and second images together being operable to represent three dimensional spatial attributes of the objects.

Abstract: A transcoder that controls the amount of generated codes of an output stream toward a target bit rate without degradation of image quality. The transcoder decodes a first stream and encodes the decoded image again to thereby output a second stream. The transcoder calculates a distortion evaluation value from the image obtained by decoding the first stream and an image obtained by decoding the second stream. Assuming that a ratio between the distortion evaluation value and a total target distortion evaluation value is determined as a target distortion ratio, a target setting bit rate of a second stream in the period can be obtained by multiplying a total target bit rate of the second stream by the target distortion ratio. Alternatively, the target setting bit rate can be obtained by adjusting the target distortion ratio with an appropriate function and adding the target distortion ratio to the total target bit rate of the second stream.

Abstract: Adaptive multi-standard video coder supporting adaptive standard selection and mid-stream switch-over. Automatic or semi-automatic selection and reselection between various respective communication protocols or standards (e.g., or profiles of such protocols or standards, subsets of such protocols or standards, etc.) may be made based on any of a number of local and/or remote considerations. For example, characteristics associated with one or more other devices, communication links, communication networks, etc. within a communication system may direct the automatic or semiautomatic selection and reselection between such communication protocols or standards (e.g., or profiles thereof, or subsets thereof, etc.). Also, characteristics associated with local operating conditions (e.g., available processing resources, available memory, etc.) this may be used in accordance with making such selection and reselection.

Abstract: Blocks of a video data stream may be encoded using either intra-frame (intra) prediction or inter-frame (inter) prediction. Combining intra and inter prediction can provide greater compression while maintaining the quality of the decoded video stream. Intra and inter prediction blocks are combined by weighting each block on a pixel-by-pixel basis and adding the weighted pixel values together. Weighting is based on the intra prediction mode. Pixels are weighted to give emphasis to intra predicted pixels closer to the boundaries where the predicted pixels originate and more emphasis to inter predicted pixels further away from the boundaries.

Abstract: An image coding apparatus and an image coding method allow selecting, according to an image in a macroblock to be coded, a most appropriate intra prediction mode for controlling the amount of generated code. The image coding apparatus includes a block feature quantity calculator which calculates, based on pixel values of pixels in the current macroblock in an input image, statistical information of each of the pixel values; and an intra-prediction block size determiner which determines, based on the calculated statistical information, an intra-prediction block size according to a predetermined reference such that a larger intra-prediction block size is more likely to be selected when a degree of change in the pixel value corresponding to a predetermined direction in the current macroblock is smaller. A encoder which performs intra-prediction coding on the current macroblock, in units of the intra-prediction block having the determined size.

Abstract: The invention comprises an iris imaging apparatus comprising an image sensor and an optical assembly. The optical assembly comprises an image-side surface and an object-side surface. The optical imaging lens assembly may be configured such that D1?6 mm, PXRES?10 pixels per mm, PXSIZE?1.75 ?m; and D2?500 mm. D1 is a distance between the object-side surface of the optical assembly and the imaging surface. D2 is a maximum distance between the object-side surface of the optical assembly and the object plane. PXRES is pixel resolution in the object plane, achieved by the image sensor in imaging the object plane, when the distance between the object-side surface of the optical assembly and the object plane is less than or equal to D2. PXSIZE is pixel size of the image sensor. The invention additionally includes methods for configuring an imaging apparatus for iris imaging.

Abstract: A line-detection system computes, using a local memory, a result of a partial conversion of image-space pixel data from image space to Hough space. The result is analyzed for edges corresponding to a line present in the partial conversion. The line is compared against other lines detected in previously computed partial results to identify a longest line in the image.

Abstract: A device, for imaging a scene, includes a detector of the radiation that includes a plurality of detector elements, a circularly variable filter, a mechanism for rotating the filter perpendicular to the optical path of the radiation from the scene to the detector, and a data capture apparatus. All the detector elements are repeatedly interrogated by as a group as the filter rotates, to acquire images of the scene, each of which includes a plurality of image portions in respective spectral bands of the filter. The image portions are assembled to form processed images, each of which depicts the scene in a single respective spectral band.