Abstract: Methods, apparatuses, and non-transitory computer-readable storage mediums are provided for video decoding. In one method, a decoder receives a Sequence Parameter Set (SPS) rice extension flag that indicates whether an extension of rice parameter derivation for binarization of abs_remainder and dec_abs_level is enabled. In a second method, the decoder may receive a Sequence Parameter Set (SPS) rice adaption enabled flag that indicates whether rice parameter derivation for binarization of abs_remainder and dec_abs_level is used.

Abstract: A contact switch, contact switch system, and interactive building block system carrying the contact switch based on UHF RFID technology for detecting mutual contact events are provided. The contact switch system includes a plurality of contact switches each including a chip and an antenna not connected to the chip. When the contact switch is in contact with another contact switch, the chip is connected to another antenna of the another contact switch and the antenna is connected to another chip of the another contact switch. The chip receives and converts a radio wave from the another antenna into power, and the power converts identifying information of the chip into a radio wave, which is sent to a reader. When the reader reads two encoded identifying information at the same time, whether the two contact switches are in contact with each other is determined by the contact switch system.

Abstract: A method and an electronic device for enhancing efficiency of searching for a region of interest in a virtual environment are provided. The virtual environment includes a visible scene and an invisible scene. A picture-in-picture (PIP) is displayed in the visible scene as a directional guidance or distance hint related to the region of interest in the invisible scene, thereby saving time and enhancing efficiency of searching for the region of interest.

Abstract: A contact switch, contact switch system, and interactive building block system carrying the contact switch based on UHF RFID technology for detecting mutual contact events are provided. The contact switch system includes a plurality of contact switches each including a chip and an antenna not connected to the chip. When the contact switch is in contact with another contact switch, the chip is connected to another antenna of the another contact switch and the antenna is connected to another chip of the another contact switch. The chip receives and converts a radio wave from the another antenna into power, and the power converts identifying information of the chip into a radio wave, which is sent to a reader. When the reader reads two encoded identifying information at the same time, whether the two contact switches are in contact with each other is determined by the contact switch system.

Abstract: A method and an electronic device for enhancing efficiency of searching for a region of interest in a virtual environment are provided. The virtual environment includes a visible scene and an invisible scene. A picture-in-picture (PIP) is displayed in the visible scene as a directional guidance or distance hint related to the region of interest in the invisible scene, thereby saving time and enhancing efficiency of searching for the region of interest.

Abstract: An input device for a finger touch interface includes a magnetic unit worn on a tip of a user's thumb for establishing a magnetic field, at least a first magnetic field sensing unit worn on the tip of any finger except the thumb and at least a second magnetic field sensing unit worn on a segment of any finger except the thumb. The first/second magnetic field sensing unit is used to detect magnetic flux density of the magnetic field so as to generate a corresponding signal as an input instruction.

Abstract: The present disclosure provides a nail-mounted tactile displaying device, including: a body; a plurality of vibration units provided at different positions of the body and actuated upon receiving a signal. The nail-mounted tactile displaying device provides a user with a new operating experience via the actuations of the plurality of vibration units so that the user can receive information through tactile feedback.

Abstract: An input device for a finger touch interface includes a magnetic unit worn on a tip of a user's thumb for establishing a magnetic field, at least a first magnetic field sensing unit worn on the tip of any finger except the thumb and at least a second magnetic field sensing unit worn on a segment of any finger except the thumb. The first/second magnetic field sensing unit is used to detect magnetic flux density of the magnetic field so as to generate a corresponding signal as an input instruction.

Abstract: A recognition system and a recognition method are provided. The recognition system includes a camera having a wide angle-of-view, a transmitter electrically connected to the camera, and a processor communicating with the transmitter. The camera is mounted on a body or a finger of a user, and captures one or more raw images of the limbs or hands. The transmitter transmits the one or more raw images of the limbs or hands to the processor. The processor transforms the one or more raw images of the limbs or hands into a corresponding gesture image, builds a recognition module according to a plurality of gesture images of the limbs or hands, and recognizes one or more new raw images of the limbs or hands captured by the camera with the recognition module so as to recognize a bodily gesture or a hand gesture.

Abstract: A geometric structure analyzing method, a geometric structure analyzing system, and a computer program product are provided, to analyze a two-dimensional geometric structure of a model composed of at least one magnetic building block. A magnetic field intensity image of the model is obtained, and a shape of the magnetic field intensity image is used as a contour of the model. The contour of the model is skeletonized to obtain the two-dimensional geometric structure of the model, and the two-dimensional geometric structure is displayed on a display panel. Therefore, a user is allowed to control the two-dimensional geometric structure on the display panel by manipulating the model, to achieve interactive effects including visual and tactile feedbacks.

Abstract: A shape-sensing system includes a deformable object, a strip substrate, and a plurality of bend sensors. The deformable object is configured to deform when a first force is exerted on the deformable object. The strip substrate is installed in the shape-sensing system such that the strip substrate deforms in response to deformation of the deformable object. The plurality of bend sensors is fixedly attached to a surface of the strip substrate at different respective locations for generating respective values in response to deformation of the strip substrate. The respective values are used for obtaining tracked deformation of the deformable object.

Abstract: The present invention provides an identification system and an identification method for a shielded magnetic unit. A shielding element is disposed at periphery of a magnet in a shield of a magnetic unit, such that the magnetic line of the magnet is directed back inside the shield. Moreover, after the identification system for a magnetic unit obtains a data curve to be identified of the shield, the data curve to be identified of the shield can be compared with a plurality of sets of characteristic data curves, so as to define an identification code of the magnetic unit. Accordingly, the present invention can solve the problem of interference and difficult identification while simultaneously detecting a plurality of magnetic units.

Abstract: Disclosed is a near-surface object sensing device, including a printed circuit board, a plurality of magnetic sensors arrayed on the printed circuit board to sense the magnetic field of an external magnetic object and generate a magnetic sensing signal, a multiplexer connected to the magnetic sensors for selecting and outputting the magnetic sensing signal, and a microprocessor connected to the multiplexer for receiving the magnetic sensing signal, wherein the microprocessor includes a sampling algorithm module for converting the magnetic sensing signal into a magnetic field distribution image, and a six-dimensional coordinate-calculating module for calculating six-dimensional coordinates of the external magnetic object. The sensing device of the invention is compact, low energy consuming and can accurately provide users with a convenient and intuitive user interface with three dimensional locations and position information in a near-surface space.

Abstract: A finger-touch tracking system is provided, including a magnet, a magnetic field sensing unit, and a computing unit. The magnet generates a magnetic field. The magnetic field sensing unit moves relative to the magnet, and has a substrate and a plurality of sensors disposed on the substrate. The sensors detect a magnetic flux density of the magnet, so as to generate a tracking signal reflecting a relative position of the magnet with respect to the magnetic field sensing unit. The computing unit receives the tracking signal via a network, and employs the received tracking signal as an input instruction upon the magnitude of the magnetic field.

Abstract: A geometric structure analyzing method, a geometric structure analyzing system, and a computer program product are provided, to analyze a two-dimensional geometric structure of a model composed of at least one magnetic building block. A magnetic field intensity image of the model is obtained, and a shape of the magnetic field intensity image is used as a contour of the model. The contour of the model is skeletonized to obtain the two-dimensional geometric structure of the model, and the two-dimensional geometric structure is displayed on a display panel. Therefore, a user is allowed to control the two-dimensional geometric structure on the display panel by manipulating the model, to achieve interactive effects including visual and tactile feedbacks.

Abstract: A nail-mounted display system includes an electronic device and a display device in communication with the electronic device. The electronic device includes a touch interface with a touch location; a positioning module for generating positioning information corresponding to the touch location; an information module for obtaining the operating information corresponding to the touch location on the touch interface based on the positioning information; and a transmission module for outputting the operating information obtained by the information module. The display device is worn on a finger of a user for receiving the operating information from the electronic device so as to display an image corresponding to the operating information when the finger is in contact with the touch interface.

Abstract: A stylized QR code generating apparatus is provided, which includes: an image adjusting module having an image detecting unit and a shape distorting unit; and a code stylizing module having a boundary matching unit and a boundary adjusting unit. The image detecting unit detects an error value generated in a QR code when a predetermined image is embedded in the QR code, and the shape distorting unit distorts a plurality of meshes converted from the image to adjust a shape of the image and thereby correct the error value in the QR code. The boundary matching unit matches a plurality of first boundary sections of the QR code with second boundary sections of a predetermined pattern, and the boundary adjusting unit adjusts the first boundary sections to the matched second boundary sections, respectively.

Abstract: Disclosed is a near-surface object sensing device, including a printed circuit board, a plurality of magnetic sensors arrayed on the printed circuit board to sense the magnetic field of an external magnetic object and generate a magnetic sensing signal, a multiplexer connected to the magnetic sensors for selecting and outputting the magnetic sensing signal, and a microprocessor connected to the multiplexer for receiving the magnetic sensing signal, wherein the microprocessor includes a sampling algorithm module for converting the magnetic sensing signal into a magnetic field distribution image, and a six-dimensional coordinate-calculating module for calculating six-dimensional coordinates of the external magnetic object. The sensing device of the invention is compact, low energy consuming and can accurately provide users with a convenient and intuitive user interface with three dimensional locations and position information in a near-surface space.

Abstract: A distance-tracking touch detection controller operable to enable functions of an electronic device based on a user's gestures and location of touch on his own body. The distance-tracking touch detection controller comprises a distance meter and a control interface coupled with the distance meter. When user touches his own body, the distance meter detects the touched location or the trajectory of touched locations and generates a detecting signal. The control interface is coupled with the distance meter, and the control interface reads the detecting signal to generate a control signal. The control signal is operable to enable one or more functions of an electronic device. Moreover, a method of operating the distance-tracking touch detection controller is presented.

Abstract: A method of full-frame video stabilization with a polyline-fitted camcorder path is disclosed. The regions was first considered of interest in the video to estimate which regions or objects the user wants to capture, and then use a polyline to estimate a new stable camcorder motion path while avoiding the user's interested regions or objects being cut out. Then, the dynamic and static missing areas caused by frame alignment from other frames were filled to keep the same resolution and quality as the original video. Furthermore, the discontinuous regions were smoothed by using a three-dimensional Poisson-based method. After the above automatic operations, a full-frame stabilized video could be achieved and the important regions and objects could also be preserved.