Abstract: Embodiments are generally directed to an adaptive deformable kernel prediction network for image de-noising. An embodiment of a method for de-noising an image by a convolutional neural network implemented on a compute engine, the image including a plurality of pixels, the method comprising: for each of the plurality of pixels of the image, generating a convolutional kernel having a plurality of kernel values for the pixel; generating a plurality of offsets for the pixel respectively corresponding to the plurality of kernel values, each of the plurality of offsets to indicate a deviation from a pixel position of the pixel; determining a plurality of deviated pixel positions based on the pixel position of the pixel and the plurality of offsets; and filtering the pixel with the convolutional kernel and pixel values of the plurality of deviated pixel positions to obtain a de-noised pixel.

Abstract: The present disclosure relates to a wide-range perpendicular sensitive magnetic sensor and the method for manufacturing the same, the magnetic sensor includes a substrate, a plurality of magnetic tunnel junctions, a plurality of magnetic flux regulators, a first output port and a second output port.

Abstract: The present disclosure relates to a wide-range perpendicular sensitive magnetic sensor and the method for manufacturing the same, the magnetic sensor includes a substrate, a plurality of magnetic tunnel junctions, a plurality of magnetic flux regulators, a first output port and a second output port.

Abstract: A current sensor includes: four first uniaxial TMR chips and at least two second uniaxial TMR chips, each first uniaxial TMR chip and each second uniaxial TMR chip being located on the same virtual ring, wherein magnetic sensitive directions of the four first uniaxial TMR chips are perpendicular to a radius of the virtual ring, magnetic sensitive directions of two adjacent first uniaxial TMR chips are perpendicular to each other, magnetic sensitive directions of the two second uniaxial TMR chips are parallel to the radius of the virtual ring and opposite to each other, and the two second uniaxial TMR chips respectively have the same positions as two first uniaxial TMR chips; each first uniaxial TMR chip and each second uniaxial TMR chip are configured to collect a magnetic induction intensity, the magnetic induction intensity is configured to calculate a target current value of a to-be-measured wire.

Abstract: Disclosed are a device of complex gas mixture detection based on optical-path-adjustable spectrum detection and a method therefor, and the device includes: a light source configured for generating an incident beam and emitting the incident beam into an optical gas cell; the optical gas cell, including a cavity configured for accommodating a gas sample, and a reflection module group configured for reflecting the incident beam and a track arranged in the cavity, where the track is consistent with a light path of the light beam in the cavity; a detector module that is connected with the track in a relatively movable manner and is configured for receiving light beams and obtaining spectral data, where an optical path is changed by moving the detector module relative to the track; and a data acquisition unit that is configured for acquiring the spectral data obtained by the detector module.

Abstract: The present disclosure relates to an AC/DC closed-loop current sensor, including a magnetism gathering iron core, a TMR chip, a signal processing circuit, a signal generator, and a feedback coil. The TMR chip is arranged at an air gap of the magnetism gathering iron core and connected to the signal processing circuit. The signal processing circuit is connected to the signal generator. The feedback coil is wound around the magnetism gathering iron core and connected to the signal generator. The signal processing circuit is configured to select from the induced signal of the TMR chip and make an amplification to obtain a current signal component and send the current signal component to the signal generator. The signal generator is configured to adjust a current output to the feedback coil based on the current signal component, and output a measurement result of the selected current signal component.

Abstract: A refrigeration system is provided. The refrigeration system includes: an indoor heat exchange module configured for refrigerant to absorb heat; outdoor heat exchange modules for the refrigerant to dissipate heat. The outdoor heat exchange module includes a compression device and a condensing device; the outdoor heat exchange module is switchable between an active mode and a standby mode; in the active mode, the outdoor heat exchange module is connected to the indoor heat exchange module; in the standby mode, the outdoor heat exchange module is disconnected from the indoor heat exchange module, and the compression device of the outdoor heat exchange module is in an operation status.

Abstract: A cooling system for a data center includes an evaporative condenser, a pump cabinet and a heat exchange terminal. The pump cabinet has a first branch and a second branch, the first branch including a liquid storage tank and a fluorine pump. An input end of the liquid storage tank is connected to an output end of the evaporative condenser, an output end of the liquid storage tank is connected to an input end of the fluorine pump, and an output end of the fluorine pump is connected to an input end of the heat exchange terminal. The second branch includes a compressor with an input end connected to an output end of the heat exchange terminal and an output end connected to an input end of the evaporative condenser.

Abstract: A refrigeration system for a data center includes an indoor module, a main outdoor heat-dissipation module and an auxiliary outdoor heat-dissipation module, inlets of the first compressor and the second compressor are respectively connected to an outlet of the indoor module, outlets of the first compressor and the second compressor are respectively connected to a gaseous refrigerant inlet of the first condenser, liquid refrigerant outlets of the first condenser and the second condenser are respectively connected to an inlet of the indoor module, in which a refrigeration cycle passage for the data center is formed by the indoor module, the first condenser and the first compressor when the main outdoor heat-dissipation module is in a normal condition, and the refrigeration cycle passage for the data center is formed by the indoor module, the second condenser and the second compressor when the main outdoor heat-dissipation module fails.

Abstract: A cooling system for a data center includes an evaporative condenser, a pump cabinet and a heat exchange terminal. The pump cabinet has a first branch and a second branch, the first branch including a liquid storage tank and a fluorine pump. An input end of the liquid storage tank is connected to an output end of the evaporative condenser, an output end of the liquid storage tank is connected to an input end of the fluorine pump, and an output end of the fluorine pump is connected to an input end of the heat exchange terminal. The second branch includes a compressor with an input end connected to an output end of the heat exchange terminal and an output end connected to an input end of the evaporative condenser.

Abstract: A refrigeration system is provided. The refrigeration system includes: an indoor heat exchange module configured for refrigerant to absorb heat; and outdoor heat exchange modules configured for the refrigerant to dissipate heat. The outdoor heat exchange module includes a compression device, an evaporative condenser and a liquid supplement device. The outdoor heat exchange modules are switchable between a standby mode and an active mode; some of the outdoor heat exchange modules are in the active mode, and the others are in the standby mode; in the standby mode, the outdoor heat exchange module is disconnected from the indoor heat exchange module; when the outdoor heat exchange module is switched to the active mode, it is connected to the indoor heat exchange module, the compression device starts up, and the liquid supplement device supplies cooling liquid to the evaporative condenser during an startup process of the compression device.

Abstract: A refrigeration system is provided. The refrigeration system includes: an indoor heat exchange module configured for refrigerant to absorb heat; outdoor heat exchange modules for the refrigerant to dissipate heat. The outdoor heat exchange module includes a compression device and a condensing device; the outdoor heat exchange module is switchable between an active mode and a standby mode; in the active mode, the outdoor heat exchange module is connected to the indoor heat exchange module; in the standby mode, the outdoor heat exchange module is disconnected from the indoor heat exchange module, and the compression device of the outdoor heat exchange module is in an operation status.

Abstract: A cooling system for a data center includes: at least one liquid-cooling heat exchanger disposed above each of the integrated circuit boards to dissipate heat from a first heat source disposed on the integrated circuit board through an internal circulation coolant in the liquid-cooling heat exchanger; a liquid-cooling distributing device comprising a first pipeline in communication with the liquid-cooling heat exchanger, a second pipeline in communication with a first cooling tower, and a heat exchanger configured to cool the internal circulation coolant from the liquid-cooling heat exchanger to a first temperature through an external circulation coolant from the first cooling tower; and the first cooling tower configured to cool the external circulation coolant supplied via the second pipeline to the second temperature, wherein the first temperature is higher than the second temperature. As a result, energy consumption can be reduced and chip-level cooling can be achieved.

Abstract: A cooling system of a data center computer room and a data center are provided. A specific embodiment of the system comprises: a liquid cooling system, including a liquid cooling cabinet, a heat exchanger forming a first circulation loop with the liquid cooling cabinet, and a cooling tower forming a second circulation loop with the heat exchanger; and a radiant cooling system, including a water pipe absorbing radiant heat in the data center computer room, a water chilling unit forming a third circulation loop with the water pipe, and a cooling tower forming a fourth circulation loop with the water chilling unit. The embodiment has improved the cooling efficiency of the data center computer room.

Abstract: A method and apparatus for determining a water chilling unit for cooling a data center are provided. The method includes: acquiring a current water output parameter, a current water input parameter, a current water flow parameter and a current outdoor temperature parameter of each water chilling unit of the data center; pre-processing the water output parameter, the water input parameter, the water flow parameter and the outdoor temperature parameter to obtain a characteristic parameter of each water chilling unit; importing the characteristic parameters of each water chilling unit into a pre-established machine learning model to obtain the current electric power of each water chilling unit; and determining a water chilling unit for cooling the data center on the basis of a preset cooling load, a rated cooling capacity of the water chilling unit and the current electric power of each water chilling unit.

Abstract: A system and method are provided for performing saliency detection on an image or video. The method includes training and creating deep features using deep neural networks, such that an input image is transformed into a plurality of regions, which minimizes intra-class variance, and maximizes inter-class variance, according to one or more active contour energy constraints. The method also includes providing and output associated with the deep features.

Abstract: A cooling system for a data center includes: at least one liquid-cooling heat exchanger disposed above each of the integrated circuit boards to dissipate heat from a first heat source disposed on the integrated circuit board through an internal circulation coolant in the liquid-cooling heat exchanger; a liquid-cooling distributing device comprising a first pipeline in communication with the liquid-cooling heat exchanger, a second pipeline in communication with a first cooling tower, and a heat exchanger configured to cool the internal circulation coolant from the liquid-cooling heat exchanger to a first temperature through an external circulation coolant from the first cooling tower; and the first cooling tower configured to cool the external circulation coolant supplied via the second pipeline to the second temperature, wherein the first temperature is higher than the second temperature. As a result, energy consumption can be reduced and chip-level cooling can be achieved.

Abstract: A cooling system of a data center computer room and a data center are provided. A specific embodiment of the system comprises: a liquid cooling system, including a liquid cooling cabinet, a heat exchanger forming a first circulation loop with the liquid cooling cabinet, and a cooling tower forming a second circulation loop with the heat exchanger; and a radiant cooling system, including a water pipe absorbing radiant heat in the data center computer room, a water chilling unit forming a third circulation loop with the water pipe, and a cooling tower forming a fourth circulation loop with the water chilling unit. The embodiment has improved the cooling efficiency of the data center computer room.

Abstract: An energy supply system recycling data center waste heat comprises: a cooling system recycling data center waste heat, the cooling system recycling a high-temperature coolant outputted by a data center, and transferring heat of the high-temperature coolant to an absorption refrigerator using a heat exchanger, to enable the absorption refrigerator to absorb the heat of the high-temperature coolant and make the heat into cold for cooling a to-be-cooled apparatus; and a heat supply system recycling data center waste heat, the heat supply system recycling the high-temperature coolant outputted by the data center, and transferring the heat of the high-temperature coolant to a to-be-heated apparatus using the heat exchanger; where the data center comprises a plurality of liquid cooled cabinets, the liquid cooled cabinets absorbing heat of the data center to generate the high-temperature coolant.

Abstract: A method and apparatus for determining a water chilling unit for cooling a data center are provided. The method includes: acquiring a current water output parameter, a current water input parameter, a current water flow parameter and a current outdoor temperature parameter of each water chilling unit of the data center; pre-processing the water output parameter, the water input parameter, the water flow parameter and the outdoor temperature parameter to obtain a characteristic parameter of each water chilling unit; importing the characteristic parameters of each water chilling unit into a pre-established machine learning model to obtain the current electric power of each water chilling unit; and determining a water chilling unit for cooling the data center on the basis of a preset cooling load, a rated cooling capacity of the water chilling unit and the current electric power of each water chilling unit.