Abstract: A calibrating device includes a memory and a processor. The memory is configured to store at least one computer readable instruction. The processor is electrically coupled to the memory, and configured to access and execute the at least one computer readable instruction to: analyze an image of a target region which a seam between two LED panels disposed side by side is in, to obtain characteristic data associated with the seam; compare the characteristic data associated with the seam with a predetermined value to generate a comparison result; and adjust grayscale data of pixels which are arranged in two lines of the two LED panels and adjacent to the seam, based on the comparison result, for adjusting luminance-chromaticity of the pixels, wherein the two lines are in a first direction or a second direction, and the first direction is perpendicular to the second direction.

Abstract: A pair of projection glasses, a wearable projection apparatus, and a foldable optical engine are provided. The foldable optical engine includes a projection mechanism and a light emitting mechanism. A light input portion of the projection mechanism corresponds in position to a light output portion of the light emitting mechanism. The projection mechanism and the light emitting mechanism are pivotally connected to each other along a rotation axis so as to be rotatable relative to each other along the rotation axis. When the projection mechanism and the light emitting mechanism are rotated relative to each other to cause the light output portion to face toward the light input portion, the light emitting mechanism is configured to emit a light beam from the light output portion toward the light input portion, so as to allow the projection mechanism to receive the light beam for projecting an image light.

Abstract: An illumination system is adapted to provide an illumination light beam. The illumination system includes a light-source module and a light-shape adjustment module. The light-source module is adapted to emit a first light beam. The light-shape adjustment module is disposed on the transmission path of the first light beam and is adapted to adjust the light shape of the first light beam. The light-shape adjustment module includes a first light-diffusing element, a second light-diffusing element, and a first lens element. The first light beam sequentially passes through the first light-diffusing element, the first lens element, and the second light-diffusing element to form the illumination light beam. A projection device having the illumination system is also provided.

Abstract: A display panel with a less costly backup arrangement for failed light-emitting elements and a driving method thereof are disclosed. The display panel includes a plurality of pixels. Each pixel includes a plurality of main sub-pixels and a backup sub-pixel. For any one of the pixels, if there is a failed main sub-pixel, the backup sub-pixel is activated and configured for cooperating with non-failed main sub-pixels to output metamerized light of a desired target color in order that no change in color or brightness is perceived by a viewer.

Abstract: A tensor accelerator includes two tile execution units and a bidirectional queue. Each of the tile execution units includes a buffer, a plurality of arithmetic logic units, a network, and a selector. The buffer includes a plurality of memory cells. The network is coupled to the plurality of memory cells. The selector is coupled to the network and the plurality of arithmetic logic units. The bidirectional queue is coupled between the selectors of the tile execution units.

Abstract: A holographic display device with reduced color shifting in relation to different colors includes a display panel and a diffraction component. The display panel emits a first color light having a first emission efficiency and a second color light having a second emission efficiency. The first emission efficiency is greater than the second emission efficiency. The diffraction component on an optical path of the first and second colors of light diffracts the first color light at a first diffraction efficiency and the second color light at a second diffraction efficiency to generate a holographic image, the first diffraction efficiency is less than the second diffraction efficiency.

Abstract: The method is capable of effectively labeling the nanodiamonds with radioactive gallium and can be operated at room temperature, and therefore is convenient to operate and does not require further purification to obtain the nanodiamonds labelled with radioactive gallium with a purity of at least 99%

Abstract: An intradialytic analysis method and an analysis apparatus for dialysis are provided. One or more input features are obtained. The input features include variance relation between current data and previous data of an operating parameter related to a dialysis machine and data related to a tester. Future data is predicted according to the input features through one or more prediction models. The future data includes blood pressure information and a predicted result of intradialytic hypotension at a future time point. Therefore, intradialytic hypotension can be predicted with high accuracy.

Abstract: A probe card and a wafer testing assembly thereof are provided. The wafer testing assembly includes a printed circuit board, a space transformer, a plurality of copper pillars and a plurality of strengthening structure units. The printed circuit board includes a bottom surface and a plurality of first contacts arranged on the bottom surface. The space transformer includes a top surface and a plurality of second contacts. The second contacts are arranged on the top surface and corresponding to the first contacts. The copper pillars are respectively arranged between the first contacts and the second contacts. Two ends of each of the copper pillars are respectively electrically connected to the first contacts and the second contacts. The strengthening structure units are arranged on the bottom surface of the printed circuit board and respectively surrounding the copper pillars.

Abstract: A system and method of an intelligent shopping infrastructure is provided. A data storage of current inventory from a plurality of merchants is maintained. User preferences that indicate an item affinity of a user are retrieved. Furthermore, a location of the user is detected. Using the detected location, available inventory, and item affinity, an available item from the current inventory of a merchant located within a predetermined distance to the location of the user that match the item affinity of the user is identified. The available item is presented on a user interface of a client device of the user.

Abstract: A blood pressure prediction method and an electronic device using the same are provided. The method includes the following steps. A training data set is collected. A first blood pressure prediction model is established according to the training data set. Hemodialysis parameter data of a target patient is received, wherein the hemodialysis parameter data includes a first hemodialysis parameter at a previous time point and a second hemodialysis parameter at a current time point. A hemodialysis parameter variation amount between the first hemodialysis parameter and the second hemodialysis parameter is calculated. The hemodialysis parameter variation amount is provided to the first blood pressure prediction model to generate a prediction blood pressure variation associated with a next time point. An operation is performed according to the prediction blood pressure variation of the target patient.

Abstract: In one example, an electronic device may include a display screen defining a plurality of display regions. Further, the electronic device may include a camera to capture an image of an operator of the electronic device. Furthermore, the electronic device may include a controller operatively coupled to the camera and the display screen. The controller may detect an orientation of the operator's face with respect to the display screen using the captured image. Further, the controller may determine a first display region of the plurality of display regions corresponding to the detected orientation of the operators face. Furthermore, the controller may activate the first display region to position a cursor of a pointing device within the first display region.

Abstract: The LED plug-in outlet or DC power light has LED-unit(s) to offer one or more than one near-by lighted-location(s) with preferred adjustable angle constriction and each of said LED-unit(s) has built-in plurality of the said dip or chip or dice or COB LED(s) to emit directly or in-directly LED light-beam from big surface of the said each of LED-unit(s) to supply consumer for one LED light offer one or more than one near-by lighted locations for desired or selected-functions, light color(s), brightness(s), light performance(s) while incorporate with circuitry, AC-to-DC circuit, IC, and control device select from sensor, motion sensor, photo sensor, radar sensor, sound sensor, power fail circuit, switch, IR or RF remote controller, blue-tooth, wireless controller, WI-FI with APP software to make setting or adjustment or selection to make the LED light to turn-on/off, fade-in and fade-out, high-low brightness, motion or non-motion selection, change functions from variety pre-programed functions to offer near-by l

Abstract: An optical system includes an eye-tracking module and a head-mounted display. The eye-tracking module includes a first sensor module configured to capture an eye image of a user. The head-mounted display includes a processor configured to provide a user interface based on a gaze point of the user computed based on the eye image, and a display configured to present the user interface. The user interface includes a virtual FoV and at least one UI element for receiving a gaze command from the user. The at least one UI element is arranged within the FoV of the user and located outside a range of the virtual FoV of the user interface.

Abstract: During an eye-tracking operation of an optical system, one or multiple eye images are captured. One or multiple gaze points of the user are computed based on the one or multiple eye images of the user. A user interface containing one or multiple UI elements is provided based on the one or multiple gaze points of the user. A performance map of the eye-tracking operation is provided based on the one or multiple eye images of the user. At least one UI element is adjusted based on the performance map of the eye-tracking operation.

Abstract: An optical system includes an eye-tracker and a head-mounted display for providing accurate eye-tracking in interactive virtual environment. The eye-tracker includes a sensor module captures one or multiple eye images of a user. The head-mounted display includes a processor and a display for presenting the user interface. The processor provides a user interface which includes one or multiple UI elements based on one or multiple gaze points of the user which are computed based on the one or multiple eye images, acquires the distance between an estimated gaze point of the user and each UI element, acquires the score of each UI element based on the distance between the estimated gaze point and each UI element, and sets a specific UI element with a highest score as the target UI element associated with the estimated gaze point of the user.

Abstract: A LED light with built-in Air flow device has AC-to-DC circuit to get DC current to supply power to LED or LEDs and-to charge inside rechargeable batteries and to the inside air flow related device or other product(s).

Abstract: An illumination system is adapted to provide an illumination light beam. The illumination system includes a light-source module and a light-shape adjustment module. The light-source module is adapted to emit a first light beam. The light-shape adjustment module is disposed on the transmission path of the first light beam and is adapted to adjust the light shape of the first light beam. The light-shape adjustment module includes a first light-diffusing element, a second light-diffusing element, and a first lens element. The first light beam sequentially passes through the first light-diffusing element, the first lens element, and the second light-diffusing element to form the illumination light beam. A projection device having the illumination system is also provided.

Abstract: A cognitive assessment system includes a computing device, a server coupled to the computing device and an eye tracking device coupled to the computing device. The computing device includes a cognitive assessment program with at least one cognitive assessment task for assessing at least one cognitive function of a user. The server includes a database. The database stores a historical task performance data of the user, a historical task performance model of the user, task performance data of a healthy population, and task performance data of a patient population. The eye tracking device is for capturing the eye movement data of the user.