Abstract: An encoding method and an electronic device for point cloud compression are provided. A two-dimensional image and an occupancy map of a point cloud are obtained. An occupancy status of point cloud data of each pixel sample in the two-dimensional image is determined according to the occupancy map. A weight parameter of each pixel sample in an encoding block of the two-dimensional image is determined according to the occupancy statuses of point cloud data of multiple pixel samples. Multiple rate-distortion costs respectively corresponding to multiple encoding operation options are calculated according to the weight parameter of each pixel sample in the encoding block. One of the encoding operation options is determined to be used to perform an encoding operation on the encoding block according to a minimum rate-distortion cost among the rate-distortion costs.

Abstract: A feature data encoding method, an encoder, a feature data decoding method, and a decoder are provided. The feature data encoding method includes following steps. A transform unit is divided into a plurality of sub-blocks and N sub-transform units. A reference origin and a LSC are determined in an i-th sub-transform unit of the sub-transform units, and an original coordinate of the last significant coefficient of the i-th sub-transform unit is modified to a specific coordinate. The i-th sub-transform unit is scanned from a specific sub-block of the i-th sub-transform unit, and significant feature coefficients in the i-th sub-transform unit are individually encoded as coded data.

Abstract: A method of generating point cloud predictor includes: obtaining an encoding unit, wherein the encoding unit is generated from a current three-dimensional (3D) image, obtaining a current 3D block in the current 3D image according to the encoding unit, obtaining a reference 3D block in a reference 3D image according to the current 3D block, wherein the reference 3D image is associated with the current 3D image, obtaining a reference two-dimensional (2D) unit in a reference 2D image according to the reference 3D block, wherein the reference 2D image is generated from the reference 3D image, and generating and outputting a predictor according to a variation degree between the encoding unit and the reference 2D unit.

Abstract: A content patch encoding method and a content patch decoding method are provided. The content patch decoding method includes: receiving a bit stream, and obtaining multiple information corresponding to a point cloud patch and a mesh patch accordingly; obtaining a connectivity between multiple vertices of the mesh patch based on the bit stream; and reconstructing the point cloud patch and the mesh patch based on the information and the connectivity between the vertices.

Abstract: A patch extension method, an encoder and a decoder are provided. The method includes: obtaining a point cloud including a plurality of points; obtaining a first patch according to the point cloud, wherein the first patch is a subset of the point cloud; for at least one sampling point in the first patch, obtaining at least one neighboring point in the point cloud less than a first threshold away from the sampling point; and adding the neighboring point to the first patch.

Abstract: A transparent display device, a control method thereof and a controller thereof are provided. The transparent display device includes a transparent display, a first sensor set, a second sensor set and a controller. The first sensor set senses user information in a first side. The second sensor set senses scene information in a second side. The controller analyzes and determines a location and a gaze direction of a user according to the user information, calculates a first fixation point in the scene information and a second fixation point on the transparent display according to the location and the gaze direction of the user, determines a target object corresponding to the first fixation point according to the scene information, inquires target object information corresponding to the target object, and presents the target object information according to the second fixation point by the transparent display.

Abstract: A video decoding method includes: receiving a coding value; and performing the following steps according to an index value of the coding value: collecting a plurality of reference samples, grouping the plurality of reference samples to generate at least one group, establishing a model of the at least one group, obtaining a target pixel from a target block, selecting a target group from the at least one group, and introducing a luminance value of the target pixel into a model of the target group to predict a chromaticity value of the target pixel.

Abstract: A stretchable sensing device includes at least one first unit structure, at least one second unit structure and a stretchable material layer. The first unit structure includes a first substrate and a first sensing element layer, wherein the first substrate includes multiple first slits and multiple first distribution regions defined by the first slits. The first sensing element layer includes multiple first sensing electrodes being electrically isolated to each other and located on the first substrate. The second unit structure is located on the first unit structure and includes a second substrate and a second sensing element layer located on the second substrate. The stretchable material layer is located between the first unit structure and the second unit structure, and provides a changeable spacing between at least two of the first sensing electrodes located on adjacent first distribution regions. A sensing method of the stretchable sensing device is also provided.

Abstract: A method for driving a dual-media display panel includes the following. Display data is obtained. A first driving signal for driving a transparent display panel of the dual-media display panel is generated in response to the display data. A display-unit grayscale value for the display data is obtained. The display-unit grayscale value is determined whether it falls within a grayscale value interval. When the display-unit grayscale value is less than a lower limit of the grayscale value interval, a driving signal adapted to enabling the light-shielding display panel to display a black color is used as the second driving signal. When the display-unit grayscale value is greater than an upper limit of the grayscale value interval, a driving signal adapted to enabling the light-shielding display panel to display a white color is used as the second driving signal.

Abstract: A method for driving a dual-media display panel includes the following. Display data is obtained. A first driving signal for driving a transparent display panel of the dual-media display panel is generated in response to the display data. A display-unit grayscale value for the display data is obtained. The display-unit grayscale value is determined whether it falls within a grayscale value interval. When the display-unit grayscale value is less than a lower limit of the grayscale value interval, a driving signal adapted to enabling the light-shielding display panel to display a black color is used as the second driving signal. When the display-unit grayscale value is greater than an upper limit of the grayscale value interval, a driving signal adapted to enabling the light-shielding display panel to display a white color is used as the second driving signal.

Abstract: An interactive display system and an interactive display controlling method are provided. The interactive display system includes an interactive controller and an interactive display module. The interactive controller includes multiple marking patterns presented on a surface of the interactive controller. The interactive display module includes a display, an image capturing device and a processor. The image capturing device captures a marking image of the marking patterns. The processor is coupled to the display and the image capturing device, the processor obtains location information of the interactive controller, calculates a directional angle of the interactive controller according to a relative position relationship of the marking patterns in the marking image, and calculates a directional coordinate of the interactive controller according to the directional angle and the location information. The display displays an indication object at a position associated with the directional coordinate.

Abstract: A flexible electronic device including a first flexible substrate, an electronic component, and a control device is provided. The electronic component includes a conductive layer. The control device includes at least one integrated circuit and a circuit layer set. The circuit layer set includes a plurality of circuit layers and at least one first dielectric layer, and at least a portion of the first dielectric layer is interposed between two adjacent circuit layers. The integrated circuit is electrically connected to the electronic component through the circuit layer set and the conductive layer. At least a portion of the conductive layer and at least a portion of one circuit layer are integrally formed, and the conductive layer and the circuit layer are both disposed on the first flexible substrate. A fabricating method of a flexible electronic device is also provided.

Abstract: A stretchable sensing device includes at least one first unit structure, at least one second unit structure and a stretchable material layer. The first unit structure includes a first substrate and a first sensing element layer, wherein the first substrate includes multiple first slits and multiple first distribution regions defined by the first slits. The first sensing element layer includes multiple first sensing electrodes being electrically isolated to each other and located on the first substrate. The second unit structure is located on the first unit structure and includes a second substrate and a second sensing element layer located on the second substrate. The stretchable material layer is located between the first unit structure and the second unit structure, and provides a changeable spacing between at least two of the first sensing electrodes located on adjacent first distribution regions. A sensing method of the stretchable sensing device is also provided.

Abstract: A method for a user interface of a foldable display apparatus. Detect a device status of the foldable display apparatus, and read at least one touch point report data. Determine a region, where a touch event occurs, according to the device status and the touch point report data. Trigger the user interface according to the device status and the touch point report data.

Abstract: A transparent display device, a control method thereof and a controller thereof are provided. The transparent display device includes a transparent display, a first sensor set, a second sensor set and a controller. The first sensor set senses user information in a first side. The second sensor set senses scene information in a second side. The controller analyzes and determines a location and a gaze direction of a user according to the user information, calculates a first fixation point in the scene information and a second fixation point on the transparent display according to the location and the gaze direction of the user, determines a target object corresponding to the first fixation point according to the scene information, inquires target object information corresponding to the target object, and presents the target object information according to the second fixation point by the transparent display.

Abstract: According to an embodiment of the present disclosure, a flexible electronic device may include a unit structure including a substrate unit and a wiring structure. The substrate unit has slits to divide connecting portions between respective ends of two slits and wiring regions arranged outwardly from at least one unit center sequentially. The wiring structure is disposed on the substrate unit and includes wirings distributed in the wiring regions. Each wiring includes circumferential portions and radial portions connected between the circumferential portions. The radial portion connected to a first end of each circumferential portion extends toward the unit center from the first end. Each circumferential portion includes a first section and a second section. The first section is closer to the first end and has greater anti-stretching ability than the second section.

Abstract: A foldable display, a flexible display and an icon controlling method are provided. The icon controlling method may include the following steps. A detecting unit detects a displaying area of a display panel. A controlling unit changes a grouping level of multiple icons according to the displaying area.

Abstract: A pixel driving method comprises the following steps: receiving a display image comprising a plurality of image points, wherein each image point corresponds a display color; producing a first sub-image and a second sub-image according to the display image, wherein the first sub-image displays a part of the image points, while the second sub-image displays the other part of the image points; and displaying at least one of the first sub-image and the second sub-image on the color display panel.

Abstract: A flexible electronic device including a first flexible substrate, an electronic component, and a control device is provided. The electronic component includes a conductive layer. The control device includes at least one integrated circuit and a circuit layer set. The circuit layer set includes a plurality of circuit layers and at least one first dielectric layer, and at least a portion of the first dielectric layer is interposed between two adjacent circuit layers. The integrated circuit is electrically connected to the electronic component through the circuit layer set and the conductive layer. At least a portion of the conductive layer and at least a portion of one circuit layer are integrally formed, and the conductive layer and the circuit layer are both disposed on the first flexible substrate. A fabricating method of a flexible electronic device is also provided.

Abstract: A pixel driving method comprises the following steps: receiving a display image comprising a plurality of image points, wherein each image point corresponds a display color; producing a first sub-image and a second sub-image according to the display image, wherein the first sub-image displays a part of the image points, while the second sub-image displays the other part of the image points; and displaying at least one of the first sub-image and the second sub-image on the color display panel.