Abstract: Disclosed herein is a method for receiving adaptive media streaming. The method may include calculating segment download time for each video quality level based on network throughput, a segment bitrate for the video quality level, segment duration, and a standard deviation of segment bitrates, determining a segment bitrate for maximizing the quality of viewing experience of a user based on the segment download time for each video quality level and a buffer level received from a playback buffer, making a request for the determined segment bitrate, transferring the request to a server, and transferring a corresponding video segment received in response to the request to the playback buffer.

Abstract: Provided are carbon dioxide capture composite particles which contribute to carbon neutrality by fixing carbon dioxide in seawater or an aqueous solution in which calcium ions are dissolved through mineralization, and a method of producing the same. More particularly, provided are carbon dioxide capture composite particles which capture carbon dioxide in seawater to form calcium carbonate particles, preferably aragonite type calcium carbonate, and a method of producing the same. In an exemplary embodiment, a method of producing carbon dioxide capture composite particles including: immersing polyamidoamine particles in seawater or an aqueous solution in which calcium ions are dissolved and maintaining the solution at room temperature under normal pressure to produce carbon dioxide capture composite particles in which aragonite type calcium carbonate particles are formed on a surface of the polyamidoamine particles is provided.

Abstract: Disclosed herein are a hybrid download method and apparatus for multiview streaming. The hybrid download method includes requesting a group download for an n?1-th segment from a server, playing an n?3-th segment at a viewpoint VP1 of a viewer, when a group download request for the n?1-th segment is completed, making a group download request for an n-th segment, when a change in a viewpoint of the viewer occurs at a time at which an n?2-th segment is played, playing a low-quality n?2-th segment at a viewpoint VP3, when the group download for the n-th segment is completed, requesting a single download for a high-quality n?1-th segment corresponding to the viewpoint VP3 from the server, and when the single download for the high-quality n?1-th segment corresponding to the viewpoint VP3 is completed, playing the high-quality n?1-th segment at the viewpoint VP3.

Abstract: The present invention relates to a three-dimensional structure electrode, a method for manufacturing same, and an electrochemical element including the electrode. The present invention is characterized by comprising: (a) an upper conductive layer and a lower conductive layer which have a structure constituting an assembly within which a conductive material and a porous nonwoven fabric including a plurality of polymeric fibers are three-dimensionally connected in an irregular and continuous manner, thereby forming a mutually connected porous structure; and (b) an active material layer forming the same assembly structure as the conductive layers and forming a three-dimensionally filled structure in which electrode active material particles are uniformly filled inside the mutually connected porous structure formed in the assembly structure, wherein the active material layer is formed between the upper conductive layer and the lower conductive layer.

Abstract: In a method of predicting a position of an object at a future time point for a vehicle, video image information at a current time point and at a plurality of time points before the current time point acquired through a camera of the vehicle may be extracted as semantic segmentation image. A mask image imaging an attribute and position information of an object present in each of the video images may be extracted. A position distribution of the object may be predicted by deriving a plurality of hypotheses for a position of the object at a future time point through deep learning by receiving video images at the current time point and the time points before the current time point, a plurality of semantic segmentation images, a plurality of mask images, and ego-motion information of the vehicle, and calculating the plurality of hypotheses as a Gaussian mixture probability distribution.

Abstract: A negative electrode active material for a lithium secondary battery which includes: silicon particles; and a coating layer surrounding respective silicon particles, wherein the silicon particles have a full width at half maximum (FWHM) of peak ranging from 2 to 10 in the particle diameter distribution having an average particle diameter (D50) of 1 ?m to 30 ?m, and the coating layer includes at least one selected from the group consisting of carbon and a polymer. A negative electrode and lithium secondary battery including the negative electrode active material are also disclosed.

Abstract: Disclosed is a method for pre-detecting a defective porous polymer substrate for a separator, including selecting a porous polymer substrate having a plurality of pores; observing the selected porous polymer substrate with a scanning electron microscope (SEM) to obtain an image of the porous polymer substrate; quantifying the average value of pore distribution index (PDI); correcting the quantified average value of pore distribution index to obtain the corrected average value of pore distribution index; determining whether or not the corrected average value of pore distribution index is 60 a.u. (arbitrary unit) or less; and classifying the porous polymer substrate as a good product, when the corrected average value of pore distribution index is determined to be 60 a.u. or less, and classifying the porous polymer substrate as a defective product, when the corrected average value of pore distribution index is determined to be larger than 60 a.u.

Abstract: An electrode includes an electrode active material, wherein the electrode active material layer includes an electrode active material, polyvinylidene fluoride, and a conductive agent, wherein the conductive agent includes a carbon nanotube structure in which 2 to 5,000 single-walled carbon nanotube units are bonded to each other, and the carbon nanotube structure is included in an amount of 0.01 wt % to 0.5 wt % in the electrode active material layer. A secondary battery including the same, and a method of preparing the electrode are also provided.

Abstract: Provided is a negative electrode active material including secondary particles assembled from silicon composite primary particles represented by Mg—SiOx (0<x<2) and artificial graphite primary particles, wherein the secondary particles assembled from silicon composite primary particles and artificial graphite primary particles are surface-coated with an amorphous carbon coating layer. The lithium secondary battery using the negative electrode active material can retain conductivity even after charge/discharge and can be prevented from degradation of cycle characteristic.

Abstract: An apparatus for ensuring a fail-safe function of an autonomous traveling system may include: a dead reckoning (DR) information input unit configured to receive plural pieces of sensing information outputted from a plurality of sensors mounted in a vehicle as DR information; an identification value calculation unit configured to calculate an identification value for determining whether the respective pieces of sensing information inputted through the DR information input unit are fails; and a fail determination unit configured to determine whether the plural pieces of sensing information inputted through the DR information input unit are fails, using the identification value calculated through the identification value calculation unit, wherein the identification value calculation unit is configured to calculate the identification value for determining whether the pieces of sensing information are fails, using a rule-based method.

Abstract: An apparatus for ensuring a fail-safe function of an autonomous traveling system may include: a dead reckoning (DR) information input unit configured to receive plural pieces of sensing information outputted from a plurality of sensors mounted in a vehicle as DR information; an identification value calculation unit configured to calculate an identification value for determining whether the respective pieces of sensing information inputted through the DR information input unit are fails; and a fail determination unit configured to determine whether the plural pieces of sensing information inputted through the DR information input unit are fails, using the identification value calculated through the identification value calculation unit, wherein the identification value calculation unit is configured to calculate the identification value for determining whether the pieces of sensing information are fails, using a rule-based method.

Abstract: An apparatus for ensuring a fail-safe function of an autonomous traveling system may include: a dead reckoning (DR) information input unit configured to receive plural pieces of sensing information outputted from a plurality of sensors mounted in a vehicle as DR information; an identification value calculation unit configured to calculate an identification value for determining whether the respective pieces of sensing information inputted through the DR information input unit are fails; a fail determination unit configured to determine whether the plural pieces of sensing information inputted through the DR information input unit are fails, using the identification value calculated through the identification value calculation unit; and a determination result output unit configured to combine fail determination results for the plural pieces of sensing information, obtained through the fail determination unit, and output the combined result as a final determination result.

Abstract: An apparatus for ensuring a fail-safe function of an autonomous traveling system may include: a dead reckoning (DR) information input unit configured to receive plural pieces of sensing information outputted from a plurality of sensors mounted in a vehicle as DR information; an identification value calculation unit configured to calculate an identification value for determining whether the respective pieces of sensing information inputted through the DR information input unit are fails; a fail determination unit configured to determine whether the plural pieces of sensing information inputted through the DR information input unit are fails, using the identification value calculated through the identification value calculation unit; and a determination result output unit configured to combine fail determination results for the plural pieces of sensing information, obtained through the fail determination unit, and output the combined result as a final determination result.

Abstract: An apparatus for reducing windage loss of steam turbines according to an embodiment of the present disclosure is to reduce or minimize damage to a blade caused by a rise in temperature at an outlet stage of a high-pressure turbine.

Abstract: The present invention relates to a composition for preventing or treating a respiratory disease containing an active ingredient in the form of a mixed herbal extract of Cnidii Rhizoma and Polygoni cuspidati Radix, and relates to a production method therefor. The mixed herbal extract of Cnidii Rhizoma and Polygoni cuspidati Radix has an outstanding 5-lipoxygenase suppressing activity, airway constriction suppressing activity, airway inflammation suppressing action, ear-swelling anti-inflammatory effect and antitussive and phlegm-loosening action, and has been confirmed to be useful in preventing or treating respiratory diseases including asthma, chronic obstructive pulmonary disease, acute and chronic bronchitis, allergic rhinitis, cough, expectoration, acute lower respiratory infections (bronchitis and bronchiolitis), and acute upper respiratory infections such an pharyngitis, tonsillitis and laryngitis.