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181results about How to "Facilitate early detection" patented technology

Systems and methods for automated screening and prognosis of cancer from whole-slide biopsy images

InactiveUS20140233826A1Accurate and unambiguous measureReduce dependenceImage enhancementMedical data miningFeature setProstate cancer
The invention provides systems and methods for detection, grading, scoring and tele-screening of cancerous lesions. A complete scheme for automated quantitative analysis and assessment of human and animal tissue images of several types of cancers is presented. Various aspects of the invention are directed to the detection, grading, prediction and staging of prostate cancer on serial sections/slides of prostate core images, or biopsy images. Accordingly, the invention includes a variety of sub-systems, which could be used separately or in conjunction to automatically grade cancerous regions. Each system utilizes a different approach with a different feature set. For instance, in the quantitative analysis, textural-based and morphology-based features may be extracted at image- and (or) object-levels from regions of interest. Additionally, the invention provides sub-systems and methods for accurate detection and mapping of disease in whole slide digitized images by extracting new features through integration of one or more of the above-mentioned classification systems. The invention also addresses the modeling, qualitative analysis and assessment of 3-D histopathology images which assist pathologists in visualization, evaluation and diagnosis of diseased tissue. Moreover, the invention includes systems and methods for the development of a tele-screening system in which the proposed computer-aided diagnosis (CAD) systems. In some embodiments, novel methods for image analysis (including edge detection, color mapping characterization and others) are provided for use prior to feature extraction in the proposed CAD systems.
Owner:BOARD OF RGT THE UNIV OF TEXAS SYST

Real-time multi-mode photoacoustic human eye imaging system and imaging method thereof

The invention discloses a real-time multi-mode photoacoustic human eye imaging system and an imaging method thereof. The imaging system comprises a laser device, a front optical path, a reflecting mirror, a focusing lens, a light-transmitting acoustic reflection device, a scanning mirror, a water trough, an ultrasonic probe, an ultrasonic transmitter-receiver set, an amplifier and a computer. A light-transmitting acoustic reflection film and the scanning mirror are placed in the water trough. The imaging system has a photoacoustic imaging mode and an ultrasonic imaging mode. Mechanical scanning is replaced through the scanning mirror, imaging time is greatly shortened, and pain of a patient is relieved. Meanwhile, due to the optical and ultrasonic confocal design, an existing pure optical focusing imaging mode or an existing pure ultrasonic focusing imaging mode is changed, sensitivity is improved on the basis that the optical resolution is achieved, and full-eye imaging from the front of the eye to the bottom of the eye can be carried out. Due to dual-wavelength use, the limitation that imaging is only carried out on the eye vascular structure at present is broken through, functional imaging of the degree of blood oxygen saturation can be carried out, and early detection of a part of eye diseases is facilitated.
Owner:PEKING UNIV

Intelligent auxiliary diagnosis system

InactiveCN107358055AEnhance first-diagnosis capabilitiesImprove the hierarchical diagnosis and treatment systemSpecial data processing applicationsOthalmoscopesBasic levelDisease
The present invention provides an intelligent auxiliary diagnosis system. The intelligent auxiliary diagnosis system includes a cloud platform and a plurality of terminals connected to the cloud platform through a network, wherein the cloud platform includes a cloud platform algorithm module, and the cloud platform algorithm Based on the huge amount of lesion pictures in the early stage, the module uses artificial intelligence technology to train an intelligent diagnostic auxiliary model. After clinical testing, the sensitivity and specificity have reached the accurate diagnostic level, and the model is embedded in the cloud platform to implement intelligent auxiliary diagnosis. The lesion image can automatically and synchronously feed back the intelligent diagnosis result consistent with the lesion image, and transmit the diagnosis result to the terminal for the doctor's reference. The intelligent auxiliary diagnosis system of the present invention promotes the intelligence and informatization of relevant medical services; establishes a telemedicine artificial intelligence service network, realizes hierarchical diagnosis and treatment services, and can ensure performance and safety; reduces use and maintenance costs; contributes to Strengthen the ability of first-diagnosis of diseases at the grassroots level, and improve the hierarchical diagnosis and treatment system.
Owner:HUZHOU TEACHERS COLLEGE

Detection method and detection device of internal faults of switch cabinet

The invention relates to a detection method and a detection device of internal faults of a switch cabinet, belonging to the field of power transformation and distribution. For the switch cabinet which is in hot-line operation when a cabinet door is in a closed state, the gas in the internal space of the cabinet body is extracted by utilizing a through hole of the cabinet body of the switch cabinet from the external part of the cabinet body; and by extraction, measurement and data comparison of the gas in the internal space of the cabinet body in the hot-line operation state, each numerical value of the unbalanced voltage representing a characteristic gas concentration item is compared with the numerical value of the unbalanced voltage representing the characteristic gas concentration itemof ambient environment air and / or other switch cabinet freight spaces, thereby discovering the accident in the early stage or early accident potential in the switch cabinet as soon as possible to prevent the accident from expanding or further spreading. By adopting a gas acquisition mode, the invention can sensitively detect the common operation faults of the switch equipment in the cabinet. Whenthe switch cabinet operates, the switch cabinet in the operation state does not need to be stopped, and the existing switch cabinet equipment does not need to be changed, thus the implementation costis low, and the normal operation of the existing equipment can not be affected.
Owner:SHANGHAI MUNICIPAL ELECTRIC POWER CO +1

Kit for detecting equine piroplasmosis and preparation method and using method thereof

The invention discloses a detection kit for identifying and diagnosing whether an equine animal is infected with piroplasmosis or not, and a preparation method and a using method thereof. A detection film for detecting equine piroplasmosis and a piroplasmosis universal primer are arranged in the kit for detecting the equine piroplasmosis. The using method of the kit comprises the following steps:extracting DNA (deoxyribonucleic acid) from blood of a horse to be detected, further using the piroplasmosis universal primer to perform amplification, combining an amplification product with the detection film, enabling biotin at the terminal of a PCR (polymerase chain reaction) product to be in action with streptavidin-peroxidase, and then playing a catalysis role in enabling a substrate of peroxidase, namely an enhanced chemiluminescence reagent (ECL-detection) to emit fluorescence, thereby exposing an X-photosensitive film; and performing development and fixing treatment on the film so asto emerge a shadow in a region corresponding to specificity hybridization of a probe on the detection film and the PCR product, and further judging whether the detected animal is infected with the piroplasmosis or not according to whether the shade is left on the film or not.
Owner:LANZHOU INST OF VETERINARY SCI CHINESE ACAD OF AGRI SCI
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