Abstract: A method is provided for generating enhanced image data for display on different types of display platforms. The method can include receiving a first format of display image data mastered to be displayed on a first type of display system. The method can include receiving a second format of display image data mastered to be displayed on a second type of display system that is different than the first type of display system. The method can include detecting one or more corresponding pixels in image segments among the first format of display image data and the second format of display image data. The method can include using attributes from the one or more corresponding pixel to generate enhanced image data for display.

Abstract: Embodiments of the present disclosure relate to a method, a device, a computer readable storage medium and a computer program product for transaction processing on a blockchain. In the method, the blockchain node for processing a transaction receives a transaction request including a plurality of fields, the plurality of fields including a transaction task field including a plurality of clauses and each clause of the plurality of clauses indicating one of a plurality of tasks of the transaction. The blockchain node processes the plurality of tasks and determines that the transaction is successfully processed only in response to successfully processing all the plurality of tasks. The transaction processing as provided in the present disclosure enables multiple tasks to be processed through a single transaction procedure on the blockchain in an efficient way.

Abstract: Embodiments of the present disclosure relate to methods, devices, a computer readable storage medium and a computer program product for processing or managing a blockchain transaction. In a method for processing a blockchain transaction, a blockchain node of a blockchain for processing the blockchain transaction receives a transaction request, the transaction request indicating at least a initiator of the transaction, transaction content and a transaction recipient of the transaction. The blockchain node computes, based on the transaction content, a transaction fee for processing the transaction. The blockchain node determines whether the initiator of the transaction is a sponsored user of the transaction recipient, and determines a payment account from which the transaction fee is deducted in response to determining that the initiator of the transaction is a sponsored user of the transaction recipient.

Abstract: The present disclosure includes IoT devices, block chain platforms, and IoT systems for recording transportation data of an object and methods of using the same. In some examples, IoT devices are one time programmed with a private key in a manufacturing process of the IoT device. In some examples, IoT devices may include at least one sensor configured to detect external environment data of an object during transportation of the object; and a processor configured to receive the data from the sensor and generate a data packet based on the data using a private key, the data packet including a unique identification number of the IoT device, the data and a signature generated according to the unique identification number and the data.

Abstract: A method is disclosed for implementing trust Internet of Things (IoT) services in an IoT device and a user device. The IoT device receives from the user device an authentication request comprising a hash value, first encrypted information and second encrypted information, where the IoT device determines whether the user device is successfully authenticated based on determining the user device public key and confirming that the user device public key exists in a list of access permitted user devices of the IoT device.

Abstract: A digital image sequence with multiple image frames can be enhanced. An appearance graph can be determined from the digital image sequence. The appearance graph includes prime layer nodes. Each prime layer node can represent a distinctive visual style. A prime layer image sequence can be computed for each prime layer node that matches the visual style represented by the prime layer node. An enhanced image sequence can be generated by blending at least two prime layer image sequences as defined by the appearance graph.

Abstract: The present disclosure includes IoT devices, block chain platforms, and IoT systems for recording transportation data of an object and methods of using the same. In some examples, IoT devices are one time programmed with a private key in a manufacturing process of the IoT device. In some examples, IoT devices may include at least one sensor configured to detect external environment data of an object during transportation of the object; and a processor configured to receive the data from the sensor and generate a data packet based on the data using a private key, the data packet including a unique identification number of the IoT device, the data and a signature generated according to the unique identification number and the data.

Abstract: The present disclosure includes IoT devices, block chain platforms, and IoT systems for recording transportation data of an object and methods of using the same. In some examples, IoT devices are one time programmed with a private key in a manufacturing process of the IoT device. In some examples, IoT devices may include at least one sensor configured to detect external environment data of an object during transportation of the object; and a processor configured to receive the data from the sensor and generate a data packet based on the data using a private key, the data packet including a unique identification number of the IoT device, the data and a signature generated according to the unique identification number and the data.

Abstract: Embodiments of the present disclosure relate to methods, devices, a computer readable storage medium and a computer program product for processing or managing a blockchain transaction. In a method for processing a blockchain transaction, a blockchain node of a blockchain for processing the blockchain transaction receives a transaction request, the transaction request indicating at least a initiator of the transaction, transaction content and a transaction recipient of the transaction. The blockchain node computes, based on the transaction content, a transaction fee for processing the transaction. The blockchain node determines whether the initiator of the transaction is a sponsored user of the transaction recipient, and determines a payment account from which the transaction fee is deducted in response to determining that the initiator of the transaction is a sponsored user of the transaction recipient.

Abstract: Embodiments of the present disclosure relate to a method, a device, a computer readable storage medium and a computer program product for transaction processing on a blockchain. In the method, the blockchain node for processing a transaction receives a transaction request including a plurality of fields, the plurality of fields including a transaction task field including a plurality of clauses and each clause of the plurality of clauses indicating one of a plurality of tasks of the transaction. The blockchain node processes the plurality of tasks and determines that the transaction is successfully processed only in response to successfully processing all the plurality of tasks. The transaction processing as provided in the present disclosure enables multiple tasks to be processed through a single transaction procedure on the blockchain in an efficient way.

Abstract: Methods, devices, block chain nodes, computer readable media and a system for carbon recording and trading based on a block chain. A method for carbon recording and trading based on a block chain includes: obtaining data related to carbon behaviors of a plurality of objects; converting the data related to the carbon behaviors of the plurality of objects to corresponding carbon data of the plurality of objects, respectively; transmitting the carbon data to a block chain platform for storage; performing, based on the carbon data, a carbon trading between two objects in the plurality of objects or one object in the plurality of objects and a third party object not belonging to the plurality of objects; and distributing the carbon trading to the block chain platform as a block chain transaction.

Abstract: A digital image sequence with multiple image frames can be enhanced. An appearance graph can be determined from the digital image sequence. The appearance graph includes prime layer nodes. Each prime layer node can represent a distinctive visual style. A prime layer image sequence can be computed for each prime layer node that matches the visual style represented by the prime layer node. An enhanced image sequence can be generated by blending at least two prime layer image sequences as defined by the appearance graph.

Abstract: The embodiments of the present disclosure provide methods, an application server, a user device and storage media for implementing trust IoT services based on a block chain. The application sewer includes a memory and a processor, the memory being stored with machine executable instructions that, when executed by the processor, cause the application server to perform operations including: determining a uniform device identifier specification for a plurality of IoT devices, wherein the plurality of IoT devices are provided by at least one provider; determining a unique identifier for each IoT device of the plurality of IoT devices, the unique identifier conforming to the uniform device identifier specification and the unique identifier being a public key in a pair of public key and private key of the IoT device; and registering the unique identifier of the IoT device with a block chain platform.

Abstract: Embodiments of the present disclosure provide methods, an application server, a block chain node and storage medium for logistics tracking and source tracing of an object. The application server includes a memory and a processor, the memory being stored with machine executable instructions that, when executed by the processor, cause the application server to perform operations including: receiving a storage request from at least one node during a logistics process of the object; performing a hash operation on the information to obtain a hash value of the information; sending the hash value of the information and the information to a distributed database for storage; and sending the unique identification number of the object and the hash value of the information to a block chain platform for storage.

Abstract: A device and a method for evaluating a gas-water two-phase flow fracture conductivity of a fractured shale. The device includes a seepage system, an injection system, a data collecting and processing system and a three-axis shale core holder, wherein the seepage system is subjected to two stages including a water injection stage and a gas flooding stage. When using the device, firstly the initial permeability and initial mass of the shale sample are determined; the water influx test is performed by injecting water to the shale sample until flow rate of the water discharged from the shale core is stable, then the water injection is ended. After the drying device is installed, the shale sample is subjected to gas flooding, and the aqueous fracturing fluid discharged by the gas flooding is collected until the flow meter determines that the gas volume is stable, and then the gas flooding is ended.

Abstract: A device and a method for evaluating a gas-water two-phase flow fracture conductivity of a fractured shale. The device includes a seepage system, an injection system, a data collecting and processing system and a three-axis shale core holder, wherein the seepage system is subjected to two stages including a water injection stage and a gas flooding stage. When using the device, firstly the initial permeability and initial mass of the shale sample are determined; the water influx test is performed by injecting water to the shale sample until flow rate of the water discharged from the shale core is stable, then the water injection is ended. After the drying device is installed, the shale sample is subjected to gas flooding, and the aqueous fracturing fluid discharged by the gas flooding is collected until the flow meter determines that the gas volume is stable, and then the gas flooding is ended.

Abstract: The present disclosure includes IoT devices, block chain platforms, and IoT systems for recording transportation data of an object and methods of using the same. In some examples, IoT devices are one time programmed with a private key in a manufacturing process of the IoT device. In some examples, IoT devices may include at least one sensor configured to detect external environment data of an object during transportation of the object; and a processor configured to receive the data from the sensor and generate a data packet based on the data using a private key, the data packet including a unique identification number of the IoT device, the data and a signature generated according to the unique identification number and the data.

Abstract: Methods and systems for digitally enhancing the characteristics of an image sequence including video and motion picture images are provided. Highly accurate motion information represented by trajectories are generated through analyzing available image frames in the image sequence. Some embodiments of the present invention relate to generating multiple layer trajectories from an image sequence. Certain aspects may be applicable to the enhancement of three-dimensional (3D) image sequences including 3D video and 3D motion pictures.

Abstract: Methods and systems for reducing or eliminating perceived ghosting in stereoscopic three-dimensional (3D) image display are described. A stereoscopic image that includes image content can be received. Display system parameters can be received. A local region of the stereoscopic image can be identified using the image content. The local region can include ghosting. Psychovisual factors can be selected using the image content. A modified stereoscopic image can be generated from the stereoscopic image by reducing or eliminating the ghosting of the local region using the psychovisual factors and the display system parameters. The modified stereoscopic image can be outputted for display.

Abstract: Methods and systems for digitally enhancing the characteristics of an image sequence including video and motion picture images are provided. Highly accurate motion information represented by trajectories are generated through analyzing available image frames in the image sequence. Some embodiments of the present invention relate to generating multiple layer trajectories from an image sequence. Certain aspects may be applicable to the enhancement of three-dimensional (3D) image sequences including 3D video and 3D motion pictures.