Abstract: Disclosed are a method and an apparatus for identifying animal species by using audiovisual information. A method for identifying animal species, according to one embodiment of the present invention, may include: a step of receiving an input signal for an object to be identified; a step of processing image information and acoustic information based on the input signal, wherein a processing result of the image information and a processing result of the acoustic information are represented by class-specific scores; a step of determining whether the image information processing result and the acoustic information processing result corresponding to the input signal exist; and a final result derivation step of fusing the image information processing result and the acoustic information processing result according to the determination result and classifying the object to be identified as a certain animal species by using the fused processing result.

Abstract: A service function chaining system is provided. The service function chaining system includes a PDP management module implementing SFC entities in consideration of an order of a service function chain (SFC) on a programmable data plane (PDP) and an SFC management module that transmits a first SFC entity information, which is information on SFC entities to be implemented on the PDP, to the PDP management module or transmits an SFC rule to a node included on the PDP, and the PDP management module includes a receiving unit for receiving the first SFC entity information, a processing unit for generating a second SFC entity information by processing the first SFC entity information to enable the SFC entities to be implemented on the PDP and to be processed according to an SFC order, and implementing unit for implementing the SFC entities on the PDP using the second SFC entity information.

Abstract: Provided is a method for deciphering obfuscated text for cyber security and an apparatus for the same. The method according to some embodiments includes: converting text including a target character string into an image; recognizing a character string in the image using a text recognition model; and determining that the target character string is an obfuscated character string, based on a similarity between the target character string and the recognized character string being equal to or less than a first reference value.

Abstract: The present invention relates to an X-ray imaging device for minimally invasive surgery, the device including: a rod having a clamp module disposed at a first end of the rod and including a first clamp body, a second clamp body, and a clamp support; an X-ray emission module; an X-ray sensing module; and a manipulation module, in which the rod is inserted into the human body, X-rays are emitted from the X-ray emission module with the first end of the first clamp body and the first end of the second clamp body open with a lesion positioned therebetween in the human body, and the X-rays travel through the lesion and is then sensed by the X-ray sensing module.

Abstract: The present disclosure relates to an organic compound having the following structure, and an organic light emitting diode (OLED) and an organic light emitting device including the organic compound. The organic compound is a bipolar compound having a p-type moiety and an n-type moiety and has high energy level and proper energy bandgap for an emissive layer of the OLED. As the organic compound is applied into the emissive layer, the OLED can maximize its luminous properties as holes and electrons are recombined uniformly over the whole area in an emitting material layer (EML).

Abstract: Provided is a surveillance system employing a plurality of unmanned aerial vehicles (UAVs), the surveillance system showing improved surveillance performance while optimizing common energy consumption for computing of all the UAVs and also providing a stable visual monitoring service using autonomous mobility of the plurality of UAVs regardless of movement of an object to be monitored and action uncertainty of an adjacent UAV.

Abstract: A method of manufacturing a stretchable display according to an embodiment of the present invention includes preparing a process carrier substrate, forming a flexible substrate on the process carrier substrate, forming a light emitting layer and a driving element controlling the light emitting layer on the flexible substrate, and attaching a stretchable film divided into a low stretchable area and a high stretchable area such that at least a part of the low stretchable area covers at least a part of the driving element in a state in which the high stretchable area is stretched.

Abstract: A communication method and an apparatus in a wireless communication system are provided. The communication method includes identifying, by a first satellite including a session management function within a space core network (SCN), a protocol data unit (PDU) session establishment request from a UE, selecting, by the first satellite, a satellite gateway for communicating with a ground gateway, and requesting, by the first satellite, the satellite gateway to allocate a port number which is matched to identification information of a first general packet radio service (GPRS) tunneling protocol-user (GTP-U) tunnel to be used for transmission and reception of packets for a PDU session requested by the UE in a path between a satellite base station which the UE accesses and the satellite gateway, wherein the packets are transmitted or received to and from a terrestrial core network (TCN) by using address information which is converted based on the port number.

Abstract: A deep learning-based coloring system includes a memory network configured to provide a color feature in response to a specific query and a coloring network configured to perform coloring, based on the color feature generated by the memory network. The memory network includes: a query generation unit configured to generate a query; a neighbor calculation unit configured to calculate k-nearest neighbors, based on similarities between the query and key memory values; a color feature determination unit configured to generate color features for indicating color information stored in the key memory; a threshold triplet loss calculation unit configured to calculate a threshold triplet loss, based on a comparison between a threshold and a distance between the color features; and a memory update unit configured to update a memory, based on whether a distance between a top value and a value of a newly input query is within the threshold.

Abstract: Disclosed are new polymeric materials that respond to a mechanical force. The novel polymeric compounds contain an isomer of aziridine, a three-membered N-heterocyclic compound. Also disclosed are methods for preparing the polymeric compounds. Mechanical force-induced cycloaddition of aziridines as mechanophores yields stereospecific products without covalent bond cleavage of aziridines. That is, a mechanical force makes the mechanochemical products stereospecific. The stereospecific products prepared from the isomeric mechanophores by a mechanical force can be widely used in various industrial fields, including new materials.

Abstract: A light-emitting element includes a first electrode, an insulating layer including a plurality of sub-insulating layers disposed on the first electrode, spaced apart from each other by a distance in the first direction, and having a bar shape extending in the second direction substantially perpendicular to the first direction, a hole transport region disposed on the insulating layer and including a contact portion in contact with the first electrode, and a non-contact portion not contacting the first electrode, a light-emitting layer disposed on the hole transport region and including a light-emitting portion overlapping the contact portion in a plan view, and a diffusion portion overlapping the non-contact portion in a plan view, an electron transport region disposed on the light-emitting layer, and a second electrode disposed on the electron transport region.

Abstract: In a software watermarking method according to an embodiment, a watermark is embedded into an executable binary file by compiling a source code to generate the executable binary file and rewriting the executable binary file while reordering two or more functions included in the executable binary file. At the time of compiling the source code, metadata including information related to positions of functions in the executable binary file is generated and included in the binary. The executable binary file is rewritten by reflecting change in positions of the two or more functions using the metadata without recompiling the source code. Information related to the changed function location is stored in a separate ledger.

Abstract: A method for processing a three-dimensional holographic image includes obtaining depth images from depth data of a three-dimensional object, dividing each of the depth images into a predetermined number of sub-images, obtaining interference patterns of computer-generated hologram (CGH) patches corresponding to each of the sub-images by performing a Fourier transform to calculate an interference pattern in a CGH plane for object data included in each of the sub-images, and generating a CGH for the three-dimensional object using the obtained interference patterns of the CGH patches.

Abstract: A piezoelectric element comprising a compound represented by Formula 1, a piezoelectric device including the piezoelectric element, a vibration module including the piezoelectric device, and a display apparatus including the piezoelectric device are provided, where (1?x)(LizNa0.5-zK0.5)(Nb1-ySby)O3·xCaZrO3??[Formula 1] where x, y, and z have a range of 0.001?x?0.2, a range of 0?y?0.5, and a range of 0?z?0.2, respectively.

Abstract: An air electrode including a multi-layer structure with an extended three-phase boundary for a lithium-air secondary battery composed of a lithium anode, a separator, and the air electrode includes an electrode current collector having a shape of a metal foam, and conductor layers disposed on top of and beneath the electrode current collector to form a multi-layer structure together with the electrode current collector.

Abstract: A system and method for identifying a compromised controller using an intentional error are provided. The method, performed by an electronic device in a controller area network (CAN), for identifying a compromised electronic control unit (ECU) that transmits an attack message on a CAN bus in a periodic transmission cycle. The method includes, in response to detecting the attack message, transitioning a first ECU among a plurality of ECUs connected to the CAN bus to a bus-off state intentionally, and determining whether the first ECU is the compromised ECU based at least in part on a time, which is predicted from recovery parameters related to the first ECU, for when the first ECU resumes transmission of a CAN message and a time when the attack message is redetected on the CAN bus.

Abstract: Disclosed are a method and an apparatus of digital feedback based adaptive delay time control for a high efficiency active rectifier. According to the present invention, provided is an apparatus for digital feedback based adaptive delay time control, which adaptively compensates a driving delay of a switch by controlling a time of a delay circuit through a digital feedback-based compensation technique, and operate the switch at an appropriate timing in spite of changes in operation environments such as an input voltage and a load to increase the efficiency of an AC-DC rectifier.

Abstract: Disclosed are layered ferric rust and iron hydroxide nanoparticles including the same, wherein the layered ferric rust has a novel crystal structure that satisfies conditions (a) to (c) below: (a) a crystal system belongs to a monoclinic system; (b) a space group belongs to Pn (No. 7); and (c) unit cell parameters are a = 3.854 ± 0.002 Å, b = 11.491 ± 0.007 Å, c = 9.818 ± 0.004 Å, and ? = 88.47 ± 0.005° (b is the distance between layers in the [010] axial direction).

Abstract: A method for matching between high altitude platform (HAP) and unmanned aerial vehicle (UAV) in space-air-ground integrated network includes determining if there is an unmatched UAV in the space-air-ground integrated network including at least one UAV and at least one HAP; requesting matching to an unmatched m-th (where m is a natural number) UAV from an n-th (where n is a natural number) HAP having an unconnected antenna in a presence of the unmatched UAV; determining if the m-th UAV is matched with another HAP; comparing a priority of the n-th HAP with a priority of the matched HAP, in case of the m-th UAV being matched with another HAP; and matching the unconnected antenna of the n-th HAP with the m-th UAV, in case of the priority of the n-th HAP being higher than the priority of the matched HAP.

Abstract: A direct-current (DC)-DC converter includes a converting circuit including an inductor element. The converting circuit is configured to generate an output voltage from an input voltage based on a switching operation. An inductor current emulator is configured to adjust at least one parameter for changing a current peak value of the inductor element in response to a change in a level of the input voltage and is configured to generate an internal voltage based on the at least one parameter, which is adjusted. The inductor current emulator is configured to generate a control signal for controlling the switching operation such that current of the inductor element has a pattern corresponding to a pattern of the internal voltage.