17 results about "Joint point" patented technology

The invention discloses a video-based omni-directional remote rehabilitation training system, a video-based omni-directional remote rehabilitation training method and a medium, which are characterized in that a digital standardized training video library classified according to four stages of PT physical therapy is established, and more than 700 digital standardized training videos such as joint activity, balance training, gait correction and the like are covered; it is ensured that the training content is scientific and covers the whole period and all directions of rehabilitation training; rehabilitators generate personalized training schemes in combination with rehabilitation scene types (hospitalization / home / community / old-age care institutions) and clinical data and in combination with remote video evaluation of the rehabilitators, and training requirements in different environments are met. By capturing actions of limb joint angles, joint point motion trails and muscle force changes, a training action deviation rate is calculated and is fed back and output to a rehabilitation teacher in a grading manner, so that the training standardability is remarkably improved; rehabilitators can manage multiple patients online at the same time, remotely check training percentage data, adjust schemes and generate rehabilitation notes, and efficient, accurate and personalized rehabilitation guidance services are provided for the patients.

The application provides a clamp for a clasp spring type pin shaft, and relates to the technical field of circuit breaker assembly tools.The clamp for the clasp spring type pin shaft comprises a first jaw body, a second jaw body and a connecting rod assembly, the first jaw body and the second jaw body are cross arranged and hinged at a joint point, the first jaw body and the second jaw body are both divided into a front section and a rear section by the joint point as a boundary point, the front section of the first jaw body is provided with a positioning structure, the connecting rod assembly has a fixed end and a moving end, the fixed end is rotationally connected with the front section of the second jaw body, the moving end is slidingly connected with the front end of the first jaw body, and the fixed end is provided with a fixing structure for fixing the clasp spring, and when the front end of the first jaw body and the front section of the second jaw body are rotated towards each other, the moving end of the connecting rod assembly slides towards the positioning structure.In the case that the rear sections of the first jaw body and the second jaw body are pinched to the limit state, the clasp spring is pushed into a clasp spring limiting groove on the shaft pin to complete the connection with the shaft pin, the assembly is simple, the working strength and the working difficulty are small, and it is very safe.

The utility model relates to cable joint protection and positioning technical field, specifically is a kind of cable joint positioning fixture with guide slot.The device adopts concrete shell, both sides are provided with sealing cover and sealing rubber ring are provided with positioner simultaneously, cable passes through sealing rubber ring and passes through positioner, prevent displacement caused by vibration or external force.Sealing cover adopts detachable design, it is convenient to install and maintain.The utility model has reasonable structure, easy installation, convenient maintenance, effectively improves the protection performance and positioning stability of cable joint point, and is applicable to electric power, communication and industrial automation etc.

This will result in a pallet with improved beam strength compared to conventional models. [Solution] The pallet (1) comprises a girder section (20) in which at least one of the plurality of girder sections (20) includes a girder wall section (200) that forms the outer circumference of the girder section (20), and a first rib (30) and a second rib (31) that extend inward from the girder wall section (200) that forms the corner of the girder section (20). The first rib (30) and the second rib (31) have an interior angle of less than 90 degrees formed at a joint point P1 where one end of each imaginary line extending the first rib (30) and the second rib (31) in a straight line joins, and the other end of each of the imaginary lines (V1, V2) is provided at a position that intersects with the fork insertion direction of the fork inserted into the fork insertion section 11.

The invention relates to an orbital welding process in which two joining partners (152, 154) that are tubular in at least one joining area (150) are arranged relative to each other, in particular in a lap joint, and in which a chain (211) of joining points (210) extending circumferentially to the joining partners (152, 154) is generated in the joining area (150), which connects the joining partners (152, 154) by a material bond, wherein an arc burns between a welding electrode (126) and at least one of the joining partners (152, 154) to generate the chain (211) of joining points (210), wherein the arc is operated with a current characteristic curve that has a sequence of welding cycles with at least one high-current phase and one low-current phase, wherein the welding energies (Esz) of the individual welding cycles are in the range of 30–240 J, preferably 35 - 220 J, particularly 40 - 195 J.The invention further relates to an orbital welding device (100, 101) and a system (700) with such an orbital welding device (100, 101).

A method for recognizing a hand gesture is disclosed. Image data is acquired, wherein the image data represents a two-dimensional image of a user's hand (1). Feature points (2, 3, 4, 5, 6) are determined in the two-dimensional image of the hand (1), wherein the feature points (2, 3, 4, 5, 6) comprise a wrist point (2) and, for each finger of the hand (1), finger joint points (3, 4, 5) and a fingertip point (6), wherein the finger joint points (3, 4, 5) for each finger comprise an MCP joint point (3), a PIP joint point (4), and a DIP joint point (5). A hand position is determined based on the relative positions of the feature points (2, 3, 4, 5, 6) to each other in the two-dimensional image of the hand (1).

The invention relates to a method for detecting a hand gesture. Image data are captured, the image data representing a two-dimensional image of a hand (1) of a user. Feature points (2, 3, 4, 5, 6) are determined in the two-dimensional image of the hand (1), the feature points (2, 3, 4, 5, 6) comprising a wrist point (2) and finger joint points (3, 4, 5) and a fingertip point (6) for the fingers of the hand (1), the finger joint points (3, 4, 5) each comprising an MCP joint point (3), a PIP joint point (4) and a DIP joint point (5) for a finger. A hand posture is determined on the basis of relative positional relationships of the feature points (2, 3, 4, 5, 6) to one another in the two-dimensional image of the hand (1).

An anti-glare method for a medical scanning bed and a computer program product thereof are disclosed, the method comprising: identifying a plurality of articulation points of a patient associated with implantation using an identification model, where the articulation points comprise articulation points of a face, hip, or lower limbs, where the face comprises eyes, mouth, or nose; the hip comprises a left hip and a right hip; the lower limbs comprise a left knee, a left ankle, a right knee and a right ankle; obtaining the confidence coefficient of each joint point; comparing each confidence coefficient with a preset confidence coefficient threshold value; and when the comparison accords with the preset condition, controlling the intensity of the light projected above the scanning bed. Through intelligent state recognition and automatic adjustment, the glare problem in the medical scanning process is effectively prevented, and the comfort level and the medical examination efficiency are improved.

The invention relates to a joint for an orthopaedic device, the joint having a first joint part (2), a second joint part (4), which is arranged on the first joint part (2) so as to be pivotable about a pivot axis (36) in a pivot region, and a hydraulic system with at least one first cylinder (8), which is arranged on the second joint part (4), and has a first piston (10), which has a first longitudinal axis and is positioned in the first cylinder (8), characterised in that the first cylinder (8) is arranged at a first securing point (6) of the second joint part (4) in such a way that the first cylinder (8) performs a pivot movement relative to the second joint point (4) when the first joint part (2) is pivoted relative to the second joint part (4).

This application discloses a posture data completion method for a three-dimensional object performed by a computer device. The method includes: obtaining three-dimensional incomplete posture data of a three-dimensional object in a preset posture, wherein the three-dimensional incomplete posture data includes first three-dimensional joint point data of the three-dimensional object; generating a two-dimensional posture image of the three-dimensional object in the preset posture by applying the three-dimensional incomplete posture data and a posture description text to a text-to-image model of the preset posture; performing joint point recognition on the two-dimensional posture image to obtain second three-dimensional joint point data of the three-dimensional object; and combining the second three-dimensional joint point data and the three-dimensional incomplete posture data to obtain three-dimensional complete posture data of the three-dimensional object.

The invention relates to the technical field of auxiliary rehabilitation, and discloses a joint movement detection method and system, computer equipment and a storage medium, and the method comprises the steps: obtaining joint movement video data of a to-be-measured user; joint two-dimensional coordinate information in one-to-one correspondence with the joint points is obtained; converting the joint two-dimensional coordinate information into joint three-dimensional coordinate information based on depth information in the joint activity video data; determining joint motion range measurement information of the user to be measured based on the joint three-dimensional coordinate information corresponding to each frame of image; judging whether the to-be-measured user has an abnormal posture or action or not based on the joint motion range measurement information; and when the user to be measured has the abnormal posture or action, generating an abnormal analysis report. According to the invention, full automation of joint motion detection is effectively realized, the joint motion range measurement efficiency and the judgment efficiency of abnormal user motion conditions are improved, personal errors are reduced, and the accuracy of joint motion range and abnormal posture or motion detection is ensured.

The utility model discloses a turntable counterweight bolt mounting plate structure and engineering machinery. The turntable counterweight bolt mounting plate structure comprises a turntable main body rear vertical plate, a flitch plate and a threaded seat, a rear vertical plate of the rotary table main body and the flitch plate are welded together, and a through hole is coaxially formed between the rear vertical plate and the flitch plate; a threaded seat is arranged in through holes which are coaxially formed in the rear vertical plate of the rotary table main body and the flitch plate in a penetrating manner, and the threaded seat, the rear vertical plate of the rotary table main body and the flitch plate are welded together; a threaded hole extending in the axial direction is formed in the center area of the threaded base and used for assembling a balance weight bolt. According to the utility model, the thread continuity is improved, splicing point gaps are avoided, the thread connection length is increased, and the thread connection strength is improved.

The utility model discloses a wrist developer which comprises a grip, a rotating handle, a first elastic piece and a second elastic piece, the grip is provided with a rotating connecting point, and the top of the grip is provided with a connecting end; a connecting arm is arranged at the top of the rotating handle and is rotationally connected with the rotating connecting point; two ends of the first elastic piece are respectively connected with the connecting end and the connecting arm; the second elastic piece is connected to the grip, the rotating handle is in driving connection with the second elastic piece, and when the rotating handle rotates in the direction close to the grip, resistance is provided for rotation of the rotating handle. According to the wrist developer, the maximum gripping force can be effectively improved, the gripping force range is large, and the requirements of different users can be met.

The invention provides a human joint injury detection method fusing vision and AI technologies. The method comprises the following steps: realizing accurate tracking and positioning of joint points by adopting a vision technology; the joint bending angle is calculated through an optimized multi-mode and dynamic AI recognition algorithm, and quantitative data is provided for disability grade and injury degree identification; micro-expression (physiological feature) grade analysis and lie detection technologies are creatively fused, abnormal physiological or behavior signals in the identification process are monitored in real time, and an alarm mechanism is triggered. Through fusion of a visual technology, an AI algorithm and a lie detection technology, three major problems of insufficient positioning precision (error is reduced to 1-2 degrees), limited objectivity (manual judgment is replaced by quantitative data) and lack of supervision (abnormal signals are monitored in real time) in existing joint identification are solved.

The invention particularly provides a parameterized hand posture data collection method based on virtual reality. The method comprises the following steps: acquiring a grasping posture original data set, and generating an original hand model based on the grasping posture original data set; dynamically optimizing joint point positions of the original hand model to obtain a joint point remapped initial hand model; substituting a to-be-grabbed target into the preliminary hand model to obtain a grabbed hand model, and performing collision optimization on the grabbed hand model to obtain a hand posture model after the grabbed posture is optimized; and substituting the hand posture model after the grasping posture optimization into a joint point regression network module to obtain hand posture combination parameters, and generating a hand grasping data set based on the hand posture combination parameters. Precise and real-time processing of hand data mapping according to virtual reality is realized, the accuracy of the hand grasping data set is improved, and the data coverage of the hand grasping data is perfected.

The invention relates to an orbital welding process in which two joining partners (152, 154) that are at least tubular in one joining area (150) are arranged relative to each other, in particular in an overlap joint, and in which a chain (211) of joining points (210) extending circumferentially to the joining partners (152, 154) is generated in the joining area (150), which connects the joining partners (152, 154) by a material bond, wherein an arc burns between a welding electrode (126) and at least one of the joining partners (152, 154) to generate the chain (211) of joining points (210), wherein the arc is operated with a current characteristic curve that has a sequence of welding cycles with at least one high-current phase and one low-current phase, and wherein the sequence of welding cycles includes welding cycles that differ in at least one welding parameter. and / or the current characteristic curve shows one or more cycles before or after the sequence of welding cycles,which differ from the welding cycles in at least one welding parameter. The invention further relates to an orbital welding device (100, 101) and a system (700) with such an orbital welding device (100, 101).

The present application discloses a method for determining hand position information and a related device. The method includes: determining, according to a human skeleton detection model, position information of key part joint points of a human object in an image in a preset coordinate system; determining, according to position information of the head key part joint point and position information of the first part joint point, a height difference between the head key part joint point and the first part joint point; determining, according to the height difference, a hand size of the human object; determining position information of feature points according to the hand size, position information of the elbow joint point and position information of the wrist joint point, wherein the feature points are feature points of a preset shape surrounding a hand area; and determining the position information of the feature points as hand position information.