Abstract: The present application discloses a microphone. The microphone includes a voice sensor configured to collect an audio signal; a converter connected to the voice sensor and configured to convert the audio signal into a digital audio signal; a signal transceiver connected to the converter and configured to transmit the digital audio signal and receive a voice status determination signal generated based on the digital audio signal; and an indicator configured to generate one or more indication signals based on the voice status determination signal. The voice status determination signal includes one or a combination of an acoustic quality determination signal and a health status determination signal. The one or more indication signals includes one or a combination of an acoustic quality indication signal and a health status indication signal.

Abstract: A method and an electronic device for positioning an eyeball in a retinopathy image are disclosed. The method includes: using retinopathy image data with corresponding labeled data to train a deep learning network based on a loss function, so as to obtain a trained deep learning network; and processing retinopathy image data to be tested by using the trained deep learning network to obtain corresponding eyeball center coordinates and/or an eyeball diameter.

Abstract: A deep learning-based image recognition method and apparatus are disclosed. The deep learning-based image recognition method comprises: training deep learning models based on deep learning frameworks, by using training image data, to obtain at least two deep learning models; selecting a predetermined number of deep learning models from the obtained deep learning models in a descending order of their recognition accuracies for verification image data, wherein the predetermined number is less than or equal to the number of the obtained deep learning models; and recognizing image data to be recognized using at least one of the selected deep learning models.

Abstract: A medical data cluster processing system, including: a cluster initiator device and cluster participant devices that have signal connection with each other. The cluster initiator device sends model data and medical data to at least two cluster participant devices; the cluster participant devices receive the model data and the medical data from the cluster initiator device, process the medical data based on the model data to obtain second processing data, and sends the second processing data to the cluster initiator device; and the cluster initiator device receives the second processing data sent from the at least two cluster participant devices, and comprehensively processes the second processing data to obtain a medical data processing result. A medical data processing method and a medical data cluster processing method are also provided.

Abstract: A method for producing one or more hydrocarbon compounds from at least one of 2,3-butanediol, acetoin, and ethanol, the method comprising contacting said at least one of 2,3-butanediol, acetoin, and ethanol with a catalyst at a temperature of at least 100° C. and up to 500° C. to result in said 2,3-butanediol, acetoin, and/or ethanol being converted to said one or more hydrocarbon compounds, wherein said catalyst is either: (i) a catalyst comprising nanoparticles composed of (a) a first metal oxide selected from the group consisting of zirconium oxide, cerium oxide, titanium oxide, and lanthanum oxide, and (b) a main group metal oxide; or (ii) a catalyst comprising a zeolite loaded with at least one metal selected from the group consisting of copper, silver, nickel, palladium, platinum, rhodium, and ruthenium in an amount of 1-30 wt % by weight of the zeolite.

Abstract: The present invention discloses an endoscope and a method of manufacturing the endoscope, and a medical detection system. The endoscope includes a housing; and a transparent cover structure, which includes a seal cover and at least one dissolution layer, the at least one dissolution layer wrapping around an outer surface of the seal cover, and the dissolution layer including a soluble material that can dissolve in digestive juices, wherein the housing and the transparent cover structure are connected in a sealed manner to form a sealed space, and the sealed space is provided therein with: an optical lens, which is provided in a region of the sealed space close to the transparent cover structure; a light source, which is provided in a region around the optical lens; and an image sensor, which is provided to correspond with the optical lens.

Abstract: The present invention provides a method and a system for overlaying an image in a video stream. The method comprising steps of: acquiring an image element signature including at least one image element from the video stream; determining whether the image element signature matches an image to be overlaid; and overlaying the image when the image element signature is determined to match the image to be overlaid.

Abstract: The present application discloses a facial image processing apparatus. The facial image processing apparatus includes a memory; and one or more processor. The memory and the at least one processor are communicatively connected with each other. The memory stores computer-executable instructions for con trolling the one or more processors to automatically identify a facial feature from a facial image; automatically extract an image portion defining the facial feature from the facial image; perform a detail enhancement process on the image portion to obtain a detail-enhanced image portion corresponding to the image portion; and perform an image composition process to compose the detail-enhanced image portion and the facial image to obtain an enhanced facial image.

Abstract: A method and system are provided for tracking an object in a video sequence. The method includes selecting a tracking window in a current video frame, the tracking window including at least a location and a size associated with an object to be tracked, and adjusting the size of the tracking window based on an estimated change in a scale of the object, and using the adjusted tracking window for tracking the object in a subsequent video frame.

Abstract: A resolving method and a system, the method includes: creating a sample library by utilization of an original high-resolution (HR) image set; training a convolutional structural network by utilization of the sample library; and obtaining an HR output signal by processing a low-resolution (LR) input signal by utilization of the trained convolutional structural network. In the resolving method and system according to this disclosure, data after expansion may be processed by simple expansion hardware, without a large change algorithm; and complex algorithms are allocated into parallelizing design, and different servers operate mutually independent; and also, due to the modular design, the design proposals of functional modules may be modified by latter optimization.

Abstract: The present application discloses an apparatus for protecting a user's eye from blue light radiation, the apparatus includes a radiation detector configured to convert blue light from a light source into a photo voltage having a voltage value; a processor coupled to the radiation detector and configured to calculate a cumulative radiation intensity based on the voltage value cumulated over a time interval, and to compare the cumulative radiation intensity with a threshold value; and a controller coupled to the processor, configured to adjustably control blocking of at least a portion of blue light from the user's eye when the cumulative radiation intensity exceeds the threshold value.

Abstract: A method for converting an alcohol to a hydrocarbon fraction reduced in gaseous hydrocarbon content, the method comprising: (i) contacting said alcohol with a metal-loaded zeolite catalyst under conditions suitable for converting said alcohol to a first hydrocarbon fraction containing liquid hydrocarbons having at least five carbon atoms along with gaseous hydrocarbons having less than five carbon atoms, wherein said metal-loaded zeolite catalyst is catalytically active for converting said alcohol to said first hydrocarbon fraction; and (ii) selectively removing said gaseous hydrocarbons from the first hydrocarbon fraction and contacting said gaseous hydrocarbons with a metal-loaded zeolite catalyst under conditions suitable for converting said gaseous hydrocarbons into liquid hydrocarbons having at least five carbon atoms to produce a second hydrocarbon fraction reduced in gaseous hydrocarbon content, wherein the metal-loaded zeolite catalyst in steps (i) and (ii) are the same or different.

Abstract: According to embodiments of the present disclosure, a method for processing an adaptive media service at an encoder includes a first acquisition step of acquiring a first data stream including first image encoding data obtained by encoding a first image sequence, a second acquisition step of acquiring at least one second data stream, each second data steam including second image encoding data obtained by encoding a second image sequence and a target optimization parameter corresponding to the second image encoding data, a first selection step of selecting one data stream from a first data stream set in accordance with a condition of the receiver, the first data stream set at least including the first data stream and the at least one second data stream, and a first transmission step of transmitting the selected data stream to the receiver.

Abstract: The present disclosure discloses a method and device for image encoding and a method and device for image decoding. The present disclosure relates to the field of image processing and may solve a technical issue of inflexible image encoding. The particular technical solution comprises: acquiring a first image; compressing the first image to generate a second image, a resolution of the second image is lower than that of the first image; encoding the second image to generate a first bit stream; determining a parameter corresponding to the first image from a parameter database, the parameter corresponds to detail information of the first image; generating a second bit stream according to the parameter; and combining the first bit stream and the second bit stream into a transmission bit stream. The present disclosure may be used for image encoding.

Abstract: The present invention provides a method and a system for overlaying an image in a video stream. The method comprising steps of: acquiring an image element signature including at least one image element from the video stream; determining whether the image element signature matches an image to be overlaid; and overlaying the image when the image element signature is determined to match the image to be overlaid.

Abstract: The present disclosure provides a detection system and a detection method for intravenous injection leakage. The detection system for intravenous injection leakage, includes a detection module, configured to detect a status parameter of a skin at an acupuncture point; and an analysis module, configured to acquire the status parameter, and to determine whether the intravenous injection leakage happens or not depending on the status parameter.

Abstract: The present invention discloses an endoscope and a method of manufacturing the endoscope, and a medical detection system. The endoscope includes a housing; and a transparent cover structure, which includes a seal cover and at least one dissolution layer, the at least one dissolution layer wrapping around an outer surface of the seal cover, and the dissolution layer including a soluble material that can dissolve in digestive juices, wherein the housing and the transparent cover structure are connected in a sealed manner to form a sealed space, and the sealed space is provided therein with: an optical lens, which is provided in a region of the sealed space close to the transparent cover structure; a light source, which is provided in a region around the optical lens; and an image sensor, which is provided to correspond with the optical lens.

Abstract: A body parameter detecting device includes: a detection module and a determination module. The detection module is configured to detect fat thickness and fat density of sites to be detected of a human body. The determination module is configured to determine body parameters at least based on the fat thickness and the fat density. This device has simple operations for detection steps and low price, and is suitable for common people users. Also, a body parameter detecting method is provided.

Abstract: There are provided a system and method for determining concentration level of a viewer by modeling an extent to which the viewer is at least one of engaged by and interested in displayed video content. The system includes a view status detector for extracting at least one viewer status feature with respect to the displayed video content, a content analyzer for extracting at least one content characteristic feature with respect to the displayed video content, and a feature comparer for comparing the viewer status and content characteristic features as a feature pair, to produce an estimate of a concentration level associated with the feature pair. The system additionally includes a combiner for combining concentration levels for different feature pairs into an overall concentration level of the viewer for the displayed content.

Abstract: A method and system are provided for tracking an object in a video sequence. The method includes selecting a tracking window in a current video frame, the tracking window including at least a location and a size associated with an object to be tracked, and adjusting the size of the tracking window based on an estimated change in a scale of the object, and using the adjusted tracking window for tracking the object in a subsequent video frame.