Abstract: There is provided a learning method and system of a backbone network for visual intelligence based on self-supervised learning and multi-head. A network learning system according to an embodiment generates a plurality of first modified vectors by modifying a first feature vector outputted from a teacher network, generates a plurality of second modified vectors by modifying a second feature vector outputted from a student network, calculates a loss by using the first modified vectors and the second modified vectors, and optimizes parameters of the student network. Accordingly, the effect of learning by knowledge distillation may be enhanced by training the backbone network for visual intelligence like group learning is performed by various teacher networks and student networks.

Abstract: Reliable compact receptacle connector. A connector includes a terminal assembly with a housing body and a tongue extending from the body. An inner shell surrounds the terminal assembly and has a tail end with inward portions protruding to the body. The tail end of the inner shell also includes arms disposed beyond the terminal assembly and engaging a rear surface of the terminal assembly. Both the inward portions and arms are integrally formed with the inner shell. Such a configuration enables a single inner shell to restrain movement of the terminal assembly under a mating force. An outer shell is disposed outside the inner shell. The inner shell includes outward protrusions that engage a mating end of an outer shell to restrain its movement under a mounting force. A seal made of an adhesive can be shaped and cured when disposed on a rough portion of the inner shell.

Abstract: There is provided an object attribute-based watermarking method for preventing leakage of a digital content. A video watermarking method according to an embodiment may acquire a requested video and watermarking information upon receiving a request for video streaming from a user, may determine some of objects appearing in the video according to the watermarking information, may transform attributes of the determined objects, and may stream the transformed video. Accordingly, by watermarking an attribute of an object appearing in a video differently according to a user and providing the video, a watermark may be difficult to perceive, robustness against various attacks may be guaranteed, and a leakage path of a content may be checked.

Abstract: There is provided a thin optical system for real-world occlusion in an augmented reality display. The optical system according to an embodiment includes: a first DCRA configured to reflect light beams focused on holes; a mask positioned on a light emitting surface of the first DCRA to pass or block the light beams emitted from the first DCRA; and a second DCRA configured to reflect the light beams which are focused on holes after passing through the mask. Accordingly, the optical system can implement real-world occlusion in the unit of pixel while having a thin form factor.

Abstract: A programmable circuit is configured, including by selecting a plurality of target events to monitor in real time. A logical combination of the plurality of target events that correspond to a triggered preset state is specified. A corresponding action execution circuit module is associated with the triggered preset state. The target event monitoring module monitors the plurality of target events in real time and the preset state selecting module selects the corresponding action execution circuit module to run in the event the logical combination is satisfied. The corresponding action execution circuit module executes an action associated with enabling a reserved trigger function of a target solid state drive (SSD) memory.

Abstract: A sensor includes a base material and a through-hole formed to pass through the upper surface and the lower surface of the base material. The sensor may also include a conductive thread sensor including conductive thread that passes through the through-hole. The pressure sensor is implemented through a structural combination of the conductive thread and the base material so that the degree of design freedom can be effectively increased in the application of a variety of recent wearable flexible materials.

Abstract: A storage controller system includes a hardware functional module, implemented in hardware on a System On Chip (SOC), that: in response to receiving a synchronization trigger, sends, to a message sender, a first message that includes a value for a local credit. The local credit is associated with flow control. In response to receiving the first message from the hardware functional module, the message sender updates the local credit with the value that is included in the first message. If the message sender has a second message to send, the message sender determines whether the local credit has a non-zero value or a zero value; if the local credit has the non-zero value, the second message is sent. If the local credit has a zero value, the second message is retained. A storage interface, implemented on the SOC, communicates with storage media via an associated channel.

Abstract: A massage device includes a housing, a massage sleeve having an opening, a transmission connection assembly, and a motor. The transmission connection assembly includes a guiding tube member, a piston movable axially inside the guiding tube member, an eccentric wheel, and a link component coupling the piston on a first end and with the eccentric wheel on a second end. The motor is coupled with the eccentric wheel via a gear assembly. When the massage device is in operation, the motor causes the piston to move axially inside the guiding tube member to change air pressure in the massage sleeve via the transmission connection assembly.

Abstract: There are provided a method and a system for selecting an optimal synchronization broker for each workload. A system for selecting an optimal synchronization broker for each workload according to an embodiment includes: a storage unit including a database that contains specialist recommendation information including information on a correct protocol that is recommended by a specialist with respect to a service specification and data transmission requirements; and a processor configured to determine an optimal in-bound protocol and an optimal out-bound protocol according to the data transmission requirements through a decision tree model that is trained by using the specialist recommendation information as training data.

Abstract: An electrical connection assembly includes a first metal bar and a second metal bar. The first metal bar has a first main body portion, a first connection end portion, and a first bending portion connected between them. The second metal bar has a second main body portion, a second connection end portion, and a second bending portion connected between them. The first metal bar and the second metal bar are separated in a thickness direction and parallel to each other when the first metal bar and the second metal bar are electrically connected to a charging seat. The first main body portion and the second main body portion overlap with each other in the thickness direction. The first connection end portion and the second connection end portion are staggered in a width direction.

Abstract: The invention discloses a vibration device, a bone conduction headphone, and an intelligent hardware device, which belong to the field of vibration technology. The vibration device comprises: a case; an electromagnetic driving part including a coil connected to the case; and a vibrator, including a magnetic part movably arranged in the coil and an elastic part connected between the magnetic part and the case; the magnetic part includes at least two magnet portions and a non-magnetic portion located between two adjacent magnet portions. In the present invention, the magnetic part is made of magnetic material integrally magnetized. Compared with the original structure that requires multiple magnets to be connected, it has fewer parts, and is more convenient to install, while also achieving higher dimensional accuracy, thereby improving the assembly accuracy with the coil.

Abstract: An optoelectronic device configured for improved light extraction through a region of the device other than the substrate is described. A group III nitride semiconductor layer of a first polarity is located on the substrate and an active region can be located on the group III nitride semiconductor layer. A group III nitride semiconductor layer of a second polarity, different from the first polarity, can located adjacent to the active region. A first contact can directly contact the group III nitride semiconductor layer of the first polarity and a second contact can directly contact the group III nitride semiconductor layer of the second polarity. Each of the first and second contacts can include a plurality of openings extending entirely there through and the first and second contacts can form a photonic crystal structure. Some or all of the group III nitride semiconductor layers can be located in nanostructures.