Abstract: An image processing apparatus for evaluating cardiac images and a ventricular status identification method are provided. In the method, a region of interest (ROI) is determined from multiple target images, a variation in grayscale values of multiple pixels in the ROIs of each target image is determined, and one or more representative images are obtained according to the variation in the grayscale values. The target image is related to the pixels within an endocardial contour of a left ventricle. A boundary of the ROI is approximately located at two sides of a bottom of the endocardial contour. The ROI corresponds to a mitral valve. The variation in the grayscale values is related to a motion of the mitral valve. The representative image is for evaluating a status of the left ventricle.

Abstract: A portable electronic apparatus including a first body, a second body, and a keyboard is provided. The second body is pivotally connected to the first body. The keyboard is disposed on the first body and includes a plurality of key structures. One of the key structures includes an elevating platform, a key cap, and a camera. The key cap is detachably mounted to the elevating platform, and the camera is mounted at one side of the key cap facing the elevating platform. After the camera is detached from the elevating platform together with the key cap, the camera is mounted and positioned to the second body together with the key cap, and at least a portion of the camera is exposed to the outside.

Abstract: An electronic device and a method for detecting abnormal device operation are provided. The method includes: obtaining multiple action events of a movable input device, and each action event including a relative coordinate and a time stamp of the movable input device; generating multiple absolute coordinates based on the relative coordinate of each action event; estimating multiple speed vectors based on the absolute coordinates and the time stamp of each action event; estimating multiple acceleration vectors based on the speed vectors and the time stamp of each action event; and estimating a probability of abnormal operation based on the speed vectors and the acceleration vectors.

Abstract: An intelligent zooming method and an electronic device using the same are provided. The intelligent zooming method includes the following steps. A text paragraph corresponding to the text is merged. The text paragraph is automatically arranged according to the text paragraph and a text magnification box. The text paragraph in the text magnification box is enlarged according to a text magnification ratio. A block group containing the block and other blocks connected thereto is merged. A block magnification ratio is adjusted according to the block group and a block magnification box. The block group in the block magnification box is enlarged according to the block magnification ratio. The picture is cropped to obtain an object. A picture magnification ratio is adjusted according to the object and a picture magnification box. The object in the picture magnification box is enlarged according to the picture magnification ratio.

Abstract: An electronic system includes a fan module, an embedded controller, a reference microphone, an error microphone, an active noise cancellation controller, and a micro speaker module. The reference microphone is configured to output a wide-band noise signal associated with the operation of the fan module. The error microphone is configured to output an error signal by detecting the noise level during the operation of the electronic system. According to the wide-band noise signal, the error signal and the fan information provided by the embedded controller, the active noise cancellation controller calculates the narrow-band noises and the wide-band noises generated by the fan module, and drives the micro speaker module accordingly for providing a noise cancellation signal. The error signal may be reduced to zero by adaptively adjusting the noise cancellation signal for canceling the noises generated during the operation of the electronic system.

Abstract: A 3D display system and a 3D display method are provided. The 3D display system includes a 3D display, a memory and one or more processors. The memory records a plurality of modules, and the processor accesses and executes the modules recorded by the memory. The modules include a bridge interface module and a 3D display service module. When an application is executed by the processor, the bridge interface module creates a virtual extend screen, and moves the application to the virtual extend screen. The bridge interface module obtains a 2D content frame of the application from the virtual extend screen by a screenshot function. The 3D display service module converts the 2D content frame into a 3D format frame by communicating with a third-party software development kit, and provides the 3D format frame to the 3D display for displaying.

Abstract: A flexible display device includes: first and second casings; a frame movably assembled to the second casing; and a flexible display having first and second ends opposite to each other and first and second display areas. The second casing is movably assembled to the first casing to form a drawer configuration and slide relative to the first casing to switch between drawn-out and retracted states. The first end is connected to the first casing. The second end to the frame. In the retracted state, the flexible display is bent so the second display area is contained in the first and second casings. In a process from the retracted state to the drawn-out state, the second casing is drawn out from the first casing and drives the frame to move in the same direction to expand and flatten the second display area. A portable electronic device is also provided.

Abstract: A head-mounted display device including a processor and a display is provided. The processor is configured to: determine whether a display load of the head-mounted display device is higher than a preset load; when the display load is higher than the preset load, select at least one external device capable of making the display load lower than the preset load from a plurality of external devices; and, transmit a to-be-calculated information to at least one external device. The display is configured to: display a calculated information received from the at least one external device.

Abstract: The disclosure provides a keyboard apparatus, which includes a printed circuit board (PCB), a keyboard module, and a display film. The PCB includes at least one lower pixel electrode disposed on the PCB. The keyboard module includes a transparent substrate, at least one upper pixel electrode, and multiple key mechanisms. The upper pixel electrode and the key mechanisms are disposed on the transparent substrate. The display film is disposed between the PCB and the keyboard module. The display film is adapted to be driven by the upper pixel electrode and the lower pixel electrode to display at least one image, where the image is suitable for presentation through any one of the key mechanisms. The display film includes a bistable display material or an electronic paper material. A first display substrate and a second display substrate of the display film are different from the PCB and the transparent substrate.

Abstract: The disclosure provides an eye state assessment method and an electronic device. The method includes: obtaining an optic disc image area from a first fundus photography and generating multiple optic cup-to-disc ratio assessment results by multiple first models based on the optic disc image area; obtaining a first assessment result of an eye based on the optic cup-to-disc ratio assessment results; performing multiple data augmentation operations on the first fundus photography to generate multiple second fundus photographies; generating multiple retinal nerve fiber layer (RNFL) defect assessment results by multiple second models based on the second fundus photographies; obtaining a second assessment result of the eye based on the RNFL defect assessment results; and obtaining an optic nerve assessment result of the eye based on the first assessment result and the second assessment result.

Abstract: A conference terminal and a feedback suppression method are provided. In the method, a transmitting sound signal is divided into sub sound signals of multiple frequency bands. Different sub sound signals correspond to different frequency bands. An interfered frequency band corresponding to the howling interference is detected according to the sub sound signals of those frequency bands. The power of the sub sound signal of the interfered frequency band increases along with time. The interfered frequency band is affected by the howling interference. An interference direction is determined according to multiple input sound signals received by the microphone array and merely pass through the interfered frequency band. A sound from the interference direction leads to the howling interference. A beam pattern of the microphone array is determined according to the interference direction. The gain of the beam pattern in the interference direction is reduced.

Abstract: An image processing method is provided. In the image processing method, a plurality of image quality assessment methods are received, a total execution time of a cloud server for executing image quality assessment methods is calculated, and individual execution times of an image processing device for executing image quality assessment are respectively calculated. The image quality assessment methods are classified into first type of image quality assessment methods and second type of image quality assessment methods according to the individual execution times and the total execution time. The first type of image quality assessment method are performed by the image processing device, and the second type of image quality assessment method are performed by the cloud server. Accordingly, an efficiency of image recognition may be improved by the image processing method classifying the image quality assessment methods.

Abstract: A conference terminal and an echo cancellation method for a conference are provided. In the echo cancellation method, a synthetic speech signal is received. The synthetic speech signal includes a user speech signal of a speaking party corresponding to a first conference terminal of multiple conference terminals and an audio watermark signal corresponding to the first conference terminal. One or more delay times corresponding to the audio watermark signal are detected in a received audio signal. The received audio signal is recorded through a sound receiver of a second conference terminal of the conference terminals. An echo in the received audio signal is canceled according to the delay time.

Abstract: A method for handling a handover of a communication device includes receiving a radio resource control (RRC) configuration message from a source network, wherein the RRC configuration message includes at least one execution condition of at least one target network; transmitting a handover trigger message to the source network, when an execution condition of the at least one execution condition is satisfied; performing the handover from the source network to a target network of the at least one target network, wherein the target network is corresponding to the execution condition; and transmitting a handover complete message to the target network, after performing the handover.

Abstract: A digital-pointer interaction system is provided, which includes a display apparatus, a host, a wireless receiving device, and a plurality of wireless pointer devices. The host plays a display screen on the display apparatus, and executes a digital-pointer application. The digital-pointer application renders a plurality of pointer cursors on the display screen according to a number of wireless pointer devices connected to the wireless receiving device, and each wireless pointer device corresponds to each pointer cursor. Each wireless pointer device periodically emits an indication signal to the wireless receiving device, and the wireless receiving device transmits the indication signal to the host. The indication signal includes displacement information of each wireless pointer device. The digital-pointer application controls movement of each pointer cursor on the display screen according to the displacement information of each wireless pointer device.

Abstract: A method for detecting cardiac arrhythmia based on a photoplethysmographic (PPG) signal is provided. The method includes: receiving a PPG signal and a motion signal corresponding to a motion made by a user; extracting PPG signal segments and motion signal segments corresponding to a time period from the PPG signal and the motion signal, respectively, at every time period; filtering out motion artifact noise in the PPG signal segments according to the PPG signal segments and the motion signal segments, and converting the PPG signal segments and the motion signal segments into PPG spectrum diagrams and motion spectrum diagrams, respectively; obtaining an estimated heart rate according to the PPG spectrum diagrams and the motion spectrum diagrams; and determining whether cardiac arrhythmia is present based on the filtered PPG signal segments and the estimated heart rate.

Abstract: The disclosure provides a blockchain random number generating system and blockchain random number generating method. The blockchain random number generating system includes a smart contract. A second electronic device generates a second random number and a second hash value corresponding to the second random number, and transmits the second hash value to a first block of the smart contract. A first electronic device generates a first random number and a first hash value corresponding to the first random number, and transmits the first hash value to a second block of the smart contract. A fifth block of the smart contract receives a real-time transaction index, and generates a random seed according to the real-time transaction index, the first random number and the second random number and calculates a result of the smart contract in the fifth block according to the random seed.

Abstract: The disclosure provides a speech processing method and a device thereof. The method includes: acquiring a speech sampling signal frame in a mixed-excitation linear prediction (MELP) speech coding system and estimating signal quality of the speech sampling signal frame; determining, based on the signal quality, a specific linear prediction coding (LPC) order used by an LPC circuit; controlling the LPC circuit to convert the speech sampling signal frame into a line spectrum pair parameter based on the specific LPC order; replacing a speech signal spectrum of the speech sampling signal frame with the line spectrum pair parameter to generate a predicted speech signal; and performing a speech coding operation and a signal synthesizing operation of the MELP speech coding system based on the predicted speech signal.

Abstract: A keyboard device with a display panel including a base, a scissors feet assembly movably disposed on the base, an elastic member disposed on the base, a display panel supported by the scissors feet assembly and the elastic member, and multiple light transmittance keycaps disposed on the display panel is provided. The display panel has multiple display surfaces, multiple hollow portions, and multiple elastic portions. Each of the display surfaces is surrounded by the hollow portions, and is suspended between the hollow portions by the elastic portions. The light transmittance keycaps respectively and correspondingly cover the display surfaces.

Abstract: A remote diagnosis and treatment system and a remote diagnosis and treatment method are provided. The remote diagnosis and treatment method includes: establishing an online clinic room and adding a first terminal device and a second terminal device to the online clinic room by a server; in response to receiving a first end signal from the first terminal device, removing the first terminal device from the online clinic room, adding a patient corresponding to the second terminal device to a service-waiting queue, and transmitting the service-waiting queue to a third terminal device by the server; transmitting a first join signal corresponding to the second terminal device to the server according to the service-waiting queue by the third terminal device; and adding the third terminal device to the online clinic room according to the first join signal by the server.