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255results about How to "Poor resolution" patented technology

Trusted transactional set-top box

A set top box (STB) includes a trusted transactional cache and associated transactional protocol and enables e-commerce transactions to be securely committed to a remote server extremely quickly and with little network overhead. The invention does away with the user concern of whether the transaction was successful. The STB operates equally well on robust private networks as on unpredictable Internet or wireless networks, and avoids upsetting users who would otherwise have to wait in front of a display screen for confirmation of completion of the transaction after a temporary communication failure with the central site. The method may advantageously be used to provide cost-effective micro-payments solutions. The STB may include a dual headed display capability in which data and video maybe be directed to separate displays. The STB may feature an embedded ticket printer, as well as an embedded barcode scanner. This enables non computer literate users to more conveniently track transactions committed via the STB, or to take advantage of promotional coupons. The STB features an embedded hardware true Random Number Generator to produce maximum entropy encryption keys, therefore providing maximum secure and fool-proof means to protect private data using government authorized encryption schemes.
Owner:MUDALLA TECH INC THOITS LOVE HERSHBERGER & MCLEAN

Trusted transactional set-top box

A set top box (STB) includes a trusted transactional cache and associated transactional protocol and enables e-commerce transactions to be securely committed to a remote server extremely quickly and with little network overhead. The invention does away with the user concern of whether the transaction was successful. The STB operates equally well on robust private networks as on unpredictable Internet or wireless networks, and avoids upsetting users who would otherwise have to wait in front of a display screen for confirmation of completion of the transaction after a temporary communication failure with the central site. The method may advantageously be used to provide cost-effective micro-payments solutions. The STB may include a dual headed display capability in which data and video maybe be directed to separate displays. The STB may feature an embedded ticket printer, as well as an embedded barcode scanner. This enables non computer literate users to more conveniently track transactions committed via the STB, or to take advantage of promotional coupons. The STB features an embedded hardware true Random Number Generator to produce maximum entropy encryption keys, therefore providing maximum secure and fool-proof means to protect private data using government authorized encryption schemes.
Owner:MUDALLA TECH INC THOITS LOVE HERSHBERGER & MCLEAN

Video content similarity discrimination method and system based on computer vision

InactiveCN110427895ATo achieve the purpose of determining copyright infringementPoor resolutionVideo data indexingCharacter and pattern recognitionCluster algorithmCopyright infringement
The embodiment of the invention discloses a video content similarity discrimination method and a system based on computer vision, and relates to the technical field of video image processing, and themethod comprises the following steps: respectively extracting key frames of a video A and a video B through an unsupervised learning clustering algorithm based on an HSV model; respectively calculating a hash value in each key frame of the video A and the video B through a perceptual hash algorithm; and based on the hash value in each key frame of the video A and the video B, judging the similarity of the video A and the video B through a Hamming distance algorithm. According to the method and the system, the problems that the representativeness of key frames is not enough, the accuracy can begreatly reduced under the condition that the content change amplitude between the frames is relatively small, and the effect of the existing picture local feature value processing technology is poorunder the condition of image brightness change are effectively solved; hash value comparison is carried out through the Hamming distance, similarity judgment is carried out on videos of different channels, and therefore the purpose of video copyright infringement judgment is achieved.
Owner:李震

L molecular sieve-containing catalytic gasoline selective hydrodesulfurization modification catalyst

The invention relates to an L molecular sieve-containing catalytic gasoline selective hydrodesulfurization modification catalyst. A carrier is a composite carrier consisting of alumina and an L molecular sieve; Co or/and Ni metal and Mo or/and W metal active components are loaded; alkali metals, alkaline-earth metals, rare-earth elements, transition metals and non-metals are compounded to obtain a modifier; the L molecular sieve accounts for 10 to 70 percent of the total weight of the carrier; and based on the total weight of 100 percent of the catalyst, the active component Mo or/and W accounts for 2.0 to 30 percent of the total weight of the catalyst based on the weight percentage of an oxide, the active component Co or/and Ni accounts for 0.1 to 10.0 percent of the total weight of the catalyst based on the weight percentage of the oxide, the modifier accounts for 1 to 10 percent of the total weight of the catalyst and the carrier accounts for 60 to 93 percent of the total weight of the catalyst. Therefore, the desulfurization degree of catalytic gasoline is no less than 80 percent, the volume content of olefin is lowered to be less than 25 percent and the octane number of a product is no less than 1.5 units compared with that of raw oil.
Owner:PETROCHINA CO LTD

Ultrasonic carotid artery intima media thickness measurement device and method based on deep learning

The invention relates to medical image processing, and provides an IMT (Intima Media Thickness) measurement algorithm with good overall performance. By using the method, there is no need for artificial participation, the time complexity is relatively low, the result of automatic measurement and the result of manual measurement by experts are highly consistent, and a satisfactory measurement result can be obtained for intima media of different morphological structures. An ultrasonic carotid artery intima media thickness measurement method based on deep learning of the invention comprises the following steps: (1) ROI (Region of Internet) acquisition; automatically identifying the far end of an ultrasonic carotid artery by use of a convolution neural network (CNN), and extracting an ROI; (2) pixel classification: performing more advanced feature extraction, and after feature extraction, building a pattern classifier by use of a stacked auto-encoder and a logistic regression classification layer to complete image pixel classification; and (3) boundary extraction: selecting a classification region based on the area information and location of a target classification region, and performing polynomial curve fitting on the classification boundary. The method is mainly applied in medical image processing.
Owner:TIANJIN UNIV
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