Abstract: Disclosed is an operation method of a host which controls a computing device performing an artificial intelligence computation. The operation method includes receiving configuration information from the computation device, generating a plurality of lightening weight data by performing lightening on weight data based on the configuration information, generating a plurality of files by performing an aligning operation on the plurality of lightening weight data based on the configuration information, and loading the plurality of files into a memory device of the computing device. The configuration information includes channel information about a plurality of channels between the memory device and an accelerator, which are included in the computing device, and the number of the plurality of files is equal to the number of the plurality of channels.

Abstract: Disclosed is a machine learning accelerator which includes a first data controller that stores original length information indicating an original length, receives first data with a first length, and decompresses the first data with the first length to output second data with the original length, a second data controller that stores the original length information, receives third data with a second length shorter than the first length, and decompresses the third data with the second length to output fourth data with the original length, a first accelerator core that receives the second data with the original length from the first data controller and performs a first machine learning-based operation, and a second accelerator core that receives the fourth data with the original length from the second data controller and performs a second machine learning-based operation.

Abstract: A case for storing and carrying a personal electronic device may include a first shell and a second shell each including a rigid layer, a foam layer, batting, and an outer jacket. The rigid layer may have a concave inner surface and a convex outer surface, the foam layer may cover the outer surface of the rigid layer, the batting may cover the foam layer, and the outer jacket may cover the batting. The first shell and the second shell may be hingedly connected at edges thereof so as to be opened and closed. When closed together, the first shell and the second shell may form an interior cavity of the case.

Abstract: A case for storing and carrying a personal electronic device may include a first shell and a second shell each including a rigid layer, a foam layer, batting, and an outer jacket. The rigid layer may have a concave inner surface and a convex outer surface, the foam layer may cover the outer surface of the rigid layer, the batting may cover the foam layer, and the outer jacket may cover the batting. The first shell and the second shell may be hingedly connected at edges thereof so as to be opened and closed. When closed together, the first shell and the second shell may form an interior cavity of the case.

Abstract: A sensor includes a first electrode and a second electrode, each including a conductive polymer and having different work functions from each other, and a photoactive layer between the first electrode and the second electrode and including a first semiconductor and a second semiconductor having different electrical properties from each other, and an elastomer, wherein each of an elongation rate of the first electrode, an elongation rate of the second electrode, and an elongation rate of the photoactive layer is greater than about 50%, wherein each respective elongation rate is a percentage of a change in length from an initial length to a breaking point.

Abstract: Disclosed are a polymer including a structural unit represented by Chemical Formula 1, an organic semiconductor material, and a stretchable polymer thin film and an electronic device including the same. The definition of Chemical Formula 1 is as described in the detailed description.

Abstract: Techniques for presenting virtual representations of remote participants of communication sessions are described.

Abstract: A computational storage device includes a non-volatile memory (NVM) device; and a storage controller configured to control the NVM device. The storage controller includes: a computation processor configured to execute an internal application to generate an internal command; a host interface circuit configured to receive a host command from an external host device, to receive the internal command from the computation processor, and to individually process the received host command and the received internal command; a flash translation layer (FTL) configured to perform an address mapping operation based on a result of the processing of the host interface circuit; and a memory interface circuit configured to control the NVM device based on the address mapping operation of the FTL.

Abstract: There is disclosed a method for generating a concentration prediction model for predicting a concentration of a target substance through machine learning. The method includes a training data generation step of generating an optimal transformed spectrum obtained by transforming a basic spectrum of a substance of a known concentration according to a predetermined transformation condition as training data, and a concentration prediction model generation step of generating a concentration prediction model by machine learning the optimal transformed spectrum generated in the training data generation step and transformed according to the predetermined transformation condition and an actually measured concentration of a substance corresponding to the optimal transformed spectrum, and the method may improve accuracy in substance concentration prediction by suppressing a spectral change caused by compounds other than an analyte to be predicted and maximizing the spectral change with a concentration of the analyte.

Abstract: A polymer may include a first structural unit including a first electron accepting moiety and a first electron donating moiety, a second structural unit including a second electron accepting moiety and a second electron donating moiety. The second electron accepting moiety is different from the first electron accepting moiety. The second electron donating moiety is the same as or different from the first electron donating moiety. The first structural unit is represented by Chemical Formula 1. Chemical Formula 1 is described in the detailed description.

Abstract: A black plated steel sheet may include a steel sheet and a zinc plating layer positioned on one side of the steel sheet. The zinc plating layer may contain a black layer on the uppermost surface. The black layer may include three or more portions of which the blackness is different from each other. In a first part, the thickness of the black layer may be more than 1 ?m. In a second part, the thickness of the black layer may be 250 nm or more to less than 1 ?m, and in a third part, the thickness of the black layer may be less than 200 nm.

Abstract: Disclosed are a stretchable panel and an electronic device including the same, the stretchable panel including a stretchable substrate, and a wire electrode on the stretchable substrate, wherein the wire electrode includes a first conductive layer including a first conductor, an clastic layer, and a second conductive layer disposed on the clastic layer and including a second conductor.

Abstract: A stretchable device includes a stretchable substrate, and a plurality of optoelectronic diodes on the stretchable substrate. At least one optoelectronic diode includes a first electrode and a second electrode, and an active layer between the first electrode and the second electrode. The active layer includes a first semiconductor, a second semiconductor having different electrical characteristics from the first semiconductor, and an insulating elastomer.

Abstract: A display system includes a head-mounted display unit and a wake control system. The head-mounted display unit provides content to a user and is operable in a low-power state and a high-power state that consumes more power to provide the content to the user than the low-power state. The wake control system determines when to operate in the high-power state. The wake control system may assess a first wake criterion with low power, assess a second wake criterion with higher power than the first wake criterion upon satisfaction of the first wake criterion, and cause the head-mounted display unit to operate in the high-power state upon satisfaction of the second wake criterion.

Abstract: A stretchable strain sensor includes a light-emitting element, an optical structure, and a photo-detective element. The stretchable strain sensor is located in a path of light emitted from the light-emitting element. The optical structure is configured to have optical properties that change in response to stretching of at least a portion of the stretchable strain sensor. The photo-detective element is configured to detect light transmitted through the optical structure or reflected through the optical structure.

Abstract: An electronic device is described. In some embodiments, the electronic device includes instructions for: while presenting an extended reality environment, receiving, by the first electronic device, a request to present a virtual representation of a remote participant of a communication session, where the first electronic device is connected to the communication session; obtaining a capability of the remote participant of the communication session; and in response to receiving the request to present the virtual representation of the remote participant of the communication session, presenting the virtual representation of the remote participant of the communication session based on the obtained capability of the remote participant of the communication session.

Abstract: Disclosed are a polymer including a first repeating unit represented by Chemical Formula 1 and a second repeating unit represented by Chemical Formula 2, a thin film transistor including the same, and an electronic device. In Chemical Formula 1 or 2, D1, A1, A2, L1 to L6, R1, and R2 are the same as described in the detailed description.

Abstract: An electronic device includes a light emitting element. An encapsulation layer is disposed on the light emitting element. The encapsulation layer includes a polymer having a molecular anisotropy greater than or equal to about 1.4. A sensor layer is disposed on the encapsulation layer. The molecular anisotropy is a ratio of a first absorbance of an infrared spectrum in an infrared spectroscopy when first polarized light that is polarized in a first direction perpendicular to a second direction is incident to the polymer to a second absorbance of an infrared spectrum in an infrared spectroscopy when second polarized light that is polarized in the second direction is incident to the polymer.

Abstract: An image sensor includes a color filter array, a first photoelectric conversion device configured to absorb first light passing through the color filter array and convert the absorbed first light into electrical signals, and a second photoelectric conversion device configured to absorb second light passing through both the color filter array and the first photoelectric conversion device and convert the absorbed second light into electrical signals. The first photoelectric conversion device includes a first photoelectric conversion layer configured to selectively absorb a mixed light of the first and second colors. The second photoelectric conversion device comprises a second photoelectric conversion layer configured to absorb light including a third color. Each of the first to third colors is one of three primary colors. The image sensor combines the electrical signals converted from the first and second photoelectric conversion devices to obtain electrical signals of the first to third colors.

Abstract: The present invention relates to a haptic feedback system, and in particular to a device and method for rapidly removing residual vibration in a linear resonant actuator, the method driving the linear resonant actuator by applying a resonant frequency thereto to implement a haptic function and applying a braking signal for removing the residual vibration after the driving of the linear resonant actuator, wherein the braking signal is a driving wave for generating the same vibration waveform as a residual vibration waveform of the linear resonant actuator, and is applied to the linear resonant actuator at a point of time when a BEMF signal of the linear resonant actuator crosses a zero point, the braking signal being applied in an opposite direction in which it is possible to cancel the residual vibration waveform of the linear resonant actuator.