Patents by Inventor Mei Han
Mei Han has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11395782Abstract: A device providing intelligent assistance in mobility for disabled people and others includes a mobility device and a lifting device detachably mounted on the mobility device. The lifting device includes a base frame, a retractable bracket structure, several wheels, a sitting pad, and a backrest. The wheels are mounted on a lower surface of the base frame and drive the lifting device to move. The retractable bracket structure is mounted on an upper surface of the base frame. The sitting pad is detachably mounted on the retractable bracket structure, and the backrest is rotatably mounted on the retractable bracket structure.Type: GrantFiled: December 27, 2019Date of Patent: July 26, 2022Assignee: Ping An Technology (Shenzhen) Co., Ltd.Inventors: Chaoping Qin, Tian Xia, Mei Han, Peng Chang, Bo Gong
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Publication number: 20220223066Abstract: An English pronunciation assessment method includes: receiving an audio file including an English speech and a text transcript corresponding to the English speech; inputting audio signal to one or more acoustic models to obtain phonetic information of each phone in each word, wherein the one or more acoustic models are trained with speeches spoken by native speakers and further with speeches spoken by non-native speakers without labeling out mispronunciations, such that a pronunciation error is detected more accurately based on the obtained phonetic information; extracting time series features of each word; inputting the extracted time series features of each word, the obtained phonetic information of each phone in each word, and the audio signal included in the audio file to a lexical stress model to obtain misplaced lexical stress in each of words in the English speech with different number of syllables without expanding short words to cause input approximation.Type: ApplicationFiled: January 8, 2021Publication date: July 14, 2022Inventors: Ziyi CHEN, Iek heng CHU, Wei CHU, Xinlu YU, Tian XIA, Peng CHANG, Mei HAN, Jing XIAO
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Patent number: 11386589Abstract: A method for image generation and colorization includes displaying a drawing board interface; obtaining semantic labels of an image to be generated based on user input on the drawing board interface, each semantic label indicating a content of a region in the image to be generated; obtaining a color feature of the image to be generated; and automatically generating the image using a generative adversarial network (GAN) model according to the semantic labels and the color feature. The color feature is a latent vector input to the GAN model.Type: GrantFiled: December 15, 2020Date of Patent: July 12, 2022Assignee: PING AN TECHNOLOGY (SHENZHEN) CO., LTD.Inventors: Yuchuan Gou, Minghao Li, Bo Gong, Mei Han
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Patent number: 11361189Abstract: An image generation method and a computing device employing the method includes: acquiring a plurality of original images; and processing the plurality of original images to obtain a training data set. An anti-neural network model is trained according to the training data set. A candidate image is generated through the trained anti-neural network model. The candidate image is complemented through a detail completion network model to obtain a target image according to a comparison image. Thereby, a style of the generated image is the same as that of the comparison image. A more realistic image can be randomly generated saving the time and energy of artificially creating an image.Type: GrantFiled: December 3, 2019Date of Patent: June 14, 2022Assignee: Ping An Technology (Shenzhen) Co., Ltd.Inventors: Yuchuan Gou, Jinghong Miao, Ruei-Sung Lin, Bo Gong, Mei Han
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Patent number: 11324726Abstract: Provided in the present invention are uses of a compound as represented by formula I in preparing a stem cell apoptosis antagonist. Also provided are uses of the compound as represented by formula I in preparing a medicament for preventing or treating cell apoptosis-related diseases, and a culturing method employing the compound as represented by formula I for stem cell culturing. The compound as represented by formula I is (I).Type: GrantFiled: May 17, 2017Date of Patent: May 10, 2022Assignee: BEIJING NORMAL UNIVERSITYInventors: Mei Han, Jinhua Wen, Ying Sun, Huajun Li
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Patent number: 11328506Abstract: In a crop identification method, multi-temporal sample remote sensing images labeled with first planting blocks of a specific crop are acquired. NDVI data of the sample remote sensing images are calculated. Noise of the NDVI data is reduced. A first multivariate Gaussian model is fitted based on de-noised NDVI data of the sample remote sensing image. Multi-temporal target remote sensing images are acquired. An NDVI time series of each pixel in the target remote sensing image is constructed. The NDVI time series is input to the first multivariate Gaussian model to obtain a likelihood value of each pixel displaying the specific crop in the remote sensing images. Second planting blocks of the specific crop in the target remote sensing images are determined accordingly. An accurate and robust identification result is thereby achieved.Type: GrantFiled: December 26, 2019Date of Patent: May 10, 2022Assignee: Ping An Technology (Shenzhen) Co., Ltd.Inventors: Ruei-Sung Lin, Nan Qiao, Yi Zhao, Bo Gong, Mei Han
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Publication number: 20220067927Abstract: A method, applied to an apparatus for mammographic multi-view mass identification, includes receiving a main image, a first auxiliary image, and a second auxiliary image. The main image and the first auxiliary image are images of a breast of a person, and the second auxiliary image is an image of another breast of the person. The method further includes detecting the nipple location based on the main image and the first auxiliary image; generating a first probability map of the main image based on the main image, the first auxiliary image, and the nipple location; generating a second probability map of the main image based on the main image, the second auxiliary image, and the nipple location; and generating and outputting a fused probability map based on the first probability map and the second probability map.Type: ApplicationFiled: February 2, 2021Publication date: March 3, 2022Inventors: Zhicheng YANG, Zhenjie CAO, Yanbo ZHANG, Peng CHANG, Mei HAN, Jing XIAO
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Patent number: 11259815Abstract: The present disclosure relates to an end effector instrument. The end effector instrument may include an end effector device. The end effector device may include a clip and a resilient portion including a connecting hole and a limiting convex. The end effector instrument may further include a delivery device including a sheath and a shaft. The sheath may include a passage that accommodates the shaft. A distal end of the shaft may include a connecting end. The sheath may include a limiting concave. The connecting end may extend into or exit from the connecting hole when the sheath is set outside the resilient portion: when the connecting end extends into the connecting hole, the resilient portion may expand outward, and the limiting convex may extend into the limiting concave; when the connecting end exits from the connecting hole, the resilient portion may rebound, and the limiting convex may exit from the limiting concave.Type: GrantFiled: May 4, 2017Date of Patent: March 1, 2022Assignee: HANGZHOU AGS MEDTECH CO., LTD.Inventors: Mei Han, Xiangsen Kong, Baiming Shi
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Publication number: 20220044451Abstract: A method and device for image generation and colorization are provided. The method includes: displaying a drawing board interface; obtaining semantic labels of an image to be generated based on user input on the drawing board interface, each semantic label indicating a content of a region in the image to be generated; obtaining a color feature of the image to be generated; and automatically generating the image using a generative adversarial network (GAN) model according to the semantic labels and the color feature. The color feature is a latent vector input to the GAN model.Type: ApplicationFiled: December 15, 2020Publication date: February 10, 2022Inventors: Yuchuan GOU, Minghao LI, Bo GONG, Mei HAN
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Publication number: 20220005235Abstract: A method and device for image generation are provided. The method includes: obtaining a text describing a content of an image to be generated; extracting, using a text encoder, a text feature vector from the text; determining a semantic mask as spatial constraints of the image to be generated; and automatically generating the image using a generative adversarial network (GAN) model according to the semantic mask and the text feature vector.Type: ApplicationFiled: June 10, 2021Publication date: January 6, 2022Inventors: Yuchuan GOU, Qiancheng WU, Minghao LI, Bo GONG, Mei HAN
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Publication number: 20210396637Abstract: A portable soil body in-situ shear test device includes four parts: an active force system forming arranged externally, a passive shear system and an electromagnetic loading system forming arranged internally, and a ring knife system arranged at a bottom. Compared with the conventional in-situ soil shear strength test device and test method, the present invention is convenient to install and carry as well as simple to operate, and has strong applicability. The present invention is suitable not only for layered soils with large cross-plate shear test errors, but also for soils with different consolidation degrees at various sites and various terrains. A test method adopting the device can simulate the shear strength of the soil mass under different overburden loads without disturbing the mechanical properties of the in-situ soil mass, which has high promotion value in the test of in-situ soil shear strength.Type: ApplicationFiled: September 1, 2021Publication date: December 23, 2021Inventors: Tao Jin, Xiewen Hu, Liming Zhao, Guanglin Huang, Ruijie Zheng, Xurong He, Song Xue, Mei Han, Chuanjie Xi, Xiangbin Yang
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Patent number: 11176371Abstract: An environment monitoring method and an electronic device are provided, the method divides the satellite image into a plurality of first divided images with overlapping areas, a first multi-dimensional feature map is obtained by inputting the plurality of first divided images into an environment monitoring model, the environmental monitoring model fully combines the correlation between the environmental information of different dimensions, the environmental features of a plurality of different dimensions are correlated through an association network. By utilizing the environment monitoring method, a large area of the environment monitoring effectively is realized, and accuracy of environmental detection is improved.Type: GrantFiled: December 26, 2019Date of Patent: November 16, 2021Assignee: Ping An Technology (Shenzhen) Co., Ltd.Inventors: Xi Yao, Qi Chen, Ruei-Sung Lin, Bo Gong, Yi Zhao, Mei Han, Jinghong Miao
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Publication number: 20210340951Abstract: A method and a device for detecting an active power of a wind turbine. The method includes: acquiring a current rotation speed of a rotor of a wind turbine and a current outputted active power; determining an effective wind speed of the wind turbine; determining a maximum active power capable to be captured by the wind turbine at the current rotation speed; determining a maximum active power capable to be outputted by the wind turbine, and determining a release power at which the wind turbine is capable to release a rotation kinetic energy of the wind turbine for a predetermined time at the current rotation speed; and determining the available active power of the wind turbine, based on the maximum active power capable to be outputted, the release power, and the current outputted active power.Type: ApplicationFiled: April 11, 2018Publication date: November 4, 2021Inventors: Mengting YU, Guilin ZHOU, Mei HAN
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Patent number: 11157737Abstract: A cultivated land recognition method in a satellite image includes: segmenting a satellite image of the Earth into a plurality of standard images; and recognizing cultivated land area in each of the standard images using a cultivated land recognition model to obtain a plurality of first images. Edges of ground level entities in each of the standard images are detected using an edge detection model to obtain a plurality of second images. Each of the first images and a corresponding one of the second images is merged to obtain a plurality of third images; and cultivated land images is obtained by segmenting each of the third images using a watershed segmentation algorithm. Not only can a result of recognizing cultivated land in satellite images of the Earth be improved, but an efficiency of recognizing the cultivated land also be improved. A computing device employing the method is also disclosed.Type: GrantFiled: December 26, 2019Date of Patent: October 26, 2021Assignee: Ping An Technology (Shenzhen) Co., Ltd.Inventors: Yi Zhao, Nan Qiao, Ruei-Sung Lin, Bo Gong, Mei Han
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Publication number: 20210324717Abstract: The present invention discloses an integrated composite overload injection system and a working method thereof. The feeding mechanism preliminarily mixes water with a main agent and an auxiliary agent of an intelligent energy-gathered oil-displacing agent according to the ratio, the outlet of the feeding mechanism is communicated with the input port of the composite overload mechanism through a pipeline, the composite overload mechanism stirs, mixes, dissolves and overload ripens the preliminarily mixed solution to form mother solution, the mother solution is input from the output port of the composite overload mechanism to the inlet of the booster pump through a pipeline, the booster pump injects the boosted mother solution into the mixer, the mixer mixes the mother solution and the diluted high-pressure water and injects it into an oil-water well, and the power shafts of the composite overload mechanism and the booster pump are both driven by the driving mechanism.Type: ApplicationFiled: September 30, 2020Publication date: October 21, 2021Inventors: Haixuan CHENG, Mei HAN, Guangrui DOU, Huaibing MA, Minghong GAI, Zheyue LIU, Zilong HU, Jianliang DUAN
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Patent number: 11120308Abstract: A vehicle damage detection method based on image analysis, an electronic device, and a storage medium are provided. In the vehicle damage detection method, query images are obtained by filtering received images through a pre-trained Single Shot MultiBox Detector (SSD) object detection model, and a feature vector of each of the query images is obtained by inputting each of the query images into a residual network. Target output data is obtained using a Transformer model, similar images of the query images are obtained by processing the target output data using a pre-trained similarity judgment model. Loss of a current vehicle damage assessment case is evaluated based on similar cases, and evaluated loss is outputted. By utilizing the vehicle damage detection method, effectiveness of the vehicle damage detection is improved, and automatic evaluation of a loss is achieved.Type: GrantFiled: December 24, 2019Date of Patent: September 14, 2021Assignee: Ping An Technology (Shenzhen) Co., Ltd.Inventors: Kun Li, Hao Zhang, Ruei-Sung Lin, Mei Han
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Patent number: 11120595Abstract: In a face swap method carried out by an electronic device, a first head image is segmented from a destination image. First facial landmarks and a first hair mask are obtained according to the first head image. A second head image is segmented from a source image. Second facial landmarks and a second hair mask are obtained according to the second head image. If at least one eye landmark in the second facial landmarks is covered by hair, the second head image and the second hair mask are processed and repaired so as to obtain a swapped-face image with eyes not covered by hair.Type: GrantFiled: December 27, 2019Date of Patent: September 14, 2021Assignee: Ping An Technology (Shenzhen) Co., Ltd.Inventors: Jinghong Miao, Yuchuan Gou, Minghao Li, Jui-Hsin Lai, Bo Gong, Mei Han
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Patent number: 11080834Abstract: An image processing method and an electronic device are provided, the method extracts a first object mask of a texture image and a second object mask of a to-be-optimized image. An image recognition model is used to obtain a first content matrix, a first texture matrix, a second content matrix, a second texture matrix, a first mask matrix, and a second mask matrix. A total loss of the to-be-optimized image is determined, and the total loss is minimized by adjusting a value of each pixel of the to-be-optimized image, thereby an optimized image is obtained. By utilizing the image processing method, quality of final image is improved.Type: GrantFiled: December 26, 2019Date of Patent: August 3, 2021Assignee: Ping An Technology (Shenzhen) Co., Ltd.Inventors: Jinghong Miao, Yuchuan Gou, Bo Gong, Mei Han
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Patent number: 11062504Abstract: A method for generating a model for facial sculpture based on a generative adversarial network (GAN) includes training a predetermined GAN based on a three dimensional (3D) face dataset of multiple 3D face images to obtain an initial sculpture generation model. A curvature conversion on each of the multiple 3D face images is performed to obtain a distribution map of curvature value and the distribution map of curvature value of each of the multiple 3D face images is added as attention information to the initial sculpture generation model, to train and generate a face sculpture generation model. A target 3D face data and predetermined face curvature parameters are received, and the target 3D face data and the predetermined face curvature parameters are inputted into the face sculpture generation model to generate a face sculpture model. A computing device using the method is also provided.Type: GrantFiled: December 27, 2019Date of Patent: July 13, 2021Assignee: Ping An Technology (Shenzhen) Co., Ltd.Inventors: Minghao Li, Jinghong Miao, Yuchuan Gou, Bo Gong, Mei Han
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Publication number: 20210201456Abstract: An image processing method and an electronic device are provided, the method extracts a first object mask of a texture image and a second object mask of a to-be-optimized image. An image recognition model is used to obtain a first content matrix, a first texture matrix, a second content matrix, a second texture matrix, a first mask matrix, and a second mask matrix. A total loss of the to-be-optimized image is determined, and the total loss is minimized by adjusting a value of each pixel of the to-be-optimized image, thereby an optimized image is obtained. By utilizing the image processing method, quality of final image is improved.Type: ApplicationFiled: December 26, 2019Publication date: July 1, 2021Inventors: Jinghong Miao, Yuchuan Gou, Bo Gong, Mei Han