37 results about "Barefoot" patented technology

Footwear providing a near-barefoot experience. This footwear consists of socks whose soles are coated with an elastomeric material that uses body heat and weight to provide the “feel” of a second skin.

The invention relates to a fracturing packer for a barefoot well, comprising an upper connector, an upper rubber cylinder sheath, an inner pipe, a rubber cylinder, a lower rubber cylinder sheath, a one-way pressure limiting valve body, a one-way valve, a pressure limiting valve and a lower connecter, wherein the rubber cylinder is sleeved outside the inner pipe, the upper connector, the inner pipe, the one-way pressure limiting valve body and the lower connector are sequentially connected, the lower part of the upper rubber cylinder sheath covers the upper part of the rubber cylinder, the upper part of the upper rubber cylinder sheath is sleeved outside the upper connector, the upper part of the lower rubber cylinder sheath covers the lower part of the rubber cylinder, the lower part of the lower rubber cylinder sheath is sleeved outside the one-way pressure limiting valve body, the one-way pressure limiting valve body is provided with a vertical hole channel and a radial communicated hole, the vertical hole channel and the radial communicated hole are communicated, the one-way valve is installed on the vertical hole channel, and the pressure limiting valve is installed under the vertical hole channel. Duo to the pressure limiting valve, overpressure of the rubber cylinder is prevented, long-term effective working of the rubber cylinder is ensured, thereby the invention is suitable for fracturing operation of the barefoot well in an oil field; and the rubber cylinder is permanently kept in an expansion status by designing the one-way valve, therefore, the invention is suitable for the requirements for permanently plugging the bottom of the barefoot well in the oil field.

The invention discloses a method and a device for human body feature analysis and based on barefoot or stocking-wearing footprint images and belongs to the technical field of criminal investigation. The method includes the following steps: S1, performing multilayer pressure face extraction on the barefoot or stocking-wearing footprint images; S2, acquiring at least the following footprint form structure features including foot length, foot width, heel width, arc width and positions of lower-edge convex points of a sole stress surface according to multilayer pressure face images of barefoot or stocking-wearing footprints; S3, respectively establishing mathematic models between the footprint form structure features and body height, age, posture and gender; inputting the above form structure features into the mathematic models to acquire human body features. By the method and device, human body feature analysis can be realized automatically, and human body feature analysis is stable and accurate.

The invention relates to the field of integration of barefoot well completion of horizontal wells of oil and gas field development, staged fracturing and production, in particular to an external differential pressure opening circulating valve. A supporting and clamping mechanism (5) of the circulating valve is arranged in an upper adapter (1) and an outer cylinder (3); a hydraulic cylinder sliding sleeve mechanism (4) is arranged in the outer cylinder (3); and a circulating passage (6) is formed on the outer cylinder (3). The external differential pressure opening circulating valve can conveniently and safely ensure the communication between sleeve pipes, and effectively prevents other tools conveyed into an oil pipe in the production process from falling into a horizontal well section so as to guarantee the production safety of the horizontal well. The disadvantages that snubbing operation is needed and the construction risk is high in the prior art are overcome.

The invention provides a footprint expression method combining region confidence and pressure distribution direction intensity. The method at least comprises the following steps: obtaining a to-be-identified footprint image and preprocessing the image; partitioning and integrating the to-be-identified footprint image, and calculating the integrated footprint image; calculating the confidence coefficient of the partitioned footprint image region; and carrying out feature selection on the obtained pressure direction gradient features of the regional confidence coefficient through a principal component analysis technology and a linear discriminant analysis technology based on the footprint feature expression of the regional confidence coefficient. The method does not directly extract the characteristics such as the length and the angle of the footprint, so that the method is not easily influenced by noise. Meanwhile, footprint heavy pressure distribution and contour shape information areconsidered, and the distribution characteristic of plantar pressure when people walk can be better embodied. Furthermore, the method adopted by the invention eliminates the influence of textures whenthe socks are worn, does not need to distinguish the barefoot from the socks, and is wider in applicability.

The invention relates to a method and a system for identifying the same person based on barefoot footprints, and belongs to the field of footprint processing. According to the technical scheme, the method comprises the following steps that A1, inputting barefoot or sock wearing footprint data; A2, unifying footprint data attributes; A3, performing data preprocessing; A4, making a barefoot image data set; A5, carrying out data training and feature extraction; And A6, verifying, and adjusting and identifying a training model. Beneficial effects are as follows: the device is convenient to use; According to the method and the system for identifying the same person based on the barefoot footprint, the problem that a biological material evidence for identifying the same person is commonly used in a crime scene can be solved; A model of the same personal identification algorithm is obtained by training through a machine learning CNN network, and the barefoot footprint obtained from a crime scene is used as a test image to be input into the model, so that the same personal identification can be carried out. The scheme of the invention has the beneficial effects of assisting the public security department in case analysis and promotion and improving the case solving efficiency of the public security department.

The invention discloses a sock for barefoot sports. The sock comprises a sock leg, a sock heel, a sock bottom, a sock surface and a sock toe, and is provided with a sandwich organization structure, and a reinforcing ring and an X-shaped foot arch holding segment are arranged on the sock surface. The sock has the functions of preventing cutting, pricking and skidding, and is suitable for the barefoot sports.

The invention discloses a CNN-based method and system for determining the height of a barefoot or sock-wearing footprint. The method specifically comprises the steps of S1, preprocessing a barefoot orsock-wearing footprint image; S2, performing height segment classification on the preprocessed image, wherein the height segment classification specifically comprises the steps of S21, discretizing height data; S22, making a data set; S23, constructing a height classification network; And S24, judging the height based on the interval probability. According to the method and the device, the requirement on personnel experience in case solving is greatly reduced, manpower is liberated, and meanwhile, the judgment accuracy is also greatly improved.

Disclosed is a method for online virtual try-on of shoes. The invention relates to a method for online auxiliary measurement of the foot size, and in particular to a method for online virtual try-on of shoes. The method comprises a first step of acquiring user information; a second step of calculating automatically by a server; and a third step of providing shoe size information of a user by the server. In the first step of acquiring the user information, a left foot is taken as an example, first, a Wechat virtual shoe try-on program on an intelligent device is opened, and information such as gender and a measurement mode is selected; and then, a measurement interface is entered, the modes include a "barefoot mode" and a "stockinged mode", the user selects a corresponding mode, and the corresponding barefoot or stockinged measurement is conducted. With the technical scheme, the method of the invention is convenient and quick in testing and capable of self-help completion, assists people in buying shoes online, greatly increases the fitness rate of online shopping of shoes, and reduces the return rate of online sales of shoes.

The invention provides a bionic sole simulating a barefoot state, which comprises a base, the front part and the rear part of the lower surface of the base respectively protrude downwards to form a heel profiling part and a foot sole profiling part, the heel profiling part and the foot sole profiling part are arranged at an interval, and the interval area between the heel profiling part and the foot sole profiling part corresponds to the position of a foot arch. According to the scheme, an original plane shoe sole is changed, motion feeling stimulation is increased, the body feeling of the human body and the motion intensity of lower limb muscles are effectively stimulated, beneficial functional effects are generated on sensory motion activities of foot small muscles and lower limb muscle tissues, and therefore the balance capacity and energy consumption of the body are improved. Meanwhile, the arch and foot outer side parts for connecting the heel profiling part and the sole profiling part in the background technology are omitted, due to the fact that the heel of the front foot falls to the ground and the sole of the rear foot exerts force under the normal condition when the human body runs, redundant protruding parts are omitted, and the overall weight of the shoe sole is reduced.

The invention relates to the technical field of daily life, in particular to barefoot shoes. A shoe sole part comprises a shoe sole, shoe sole holes, a toe fixing device and a hole threading rope; thetoe fixing devices are fixed at the front ends of the shoe soles through the shoe sole holes and the hole threading ropes; a shoe connecting strap comprises an ankle ring, a toe connecting strap, a heel connecting strap and a foot sole connecting strap. By means of the shoes, in the walking process, a user feels like stepping on ground by bare feet, the foot soles can be bent continuously, the flexibility, the softness and the blood smoothness are achieved, and therefore the health of the human body is ensured; the shoe soles are made of a flexible body armor material, the softness is achieved, the flexibility of the feet is not influenced, and meanwhile the effects of preventing the feet from being pierced and damaged by hard and sharp objects are further achieved.

A design of heel of footwear which reproduces the ground contacting portion, or minimally the key elements of the ground contacting portion of the heel of the wearer in shape and placement in relation to the foot and function. That is a shape of heel in the footwear which does not imbalance the natural functions and leverage of the foot in bipedal locomotion through addition of material outside the confines of the shape and measurements of the wearer's own heel in the sagittal plane. This design of heel will afford the wearer the grace, smoothness and ease of stride enjoyed while barefoot. The wearer of a shoe with such a shape of heel will not suffer from shocks and strains to the foot and supporting members caused by the shape of the shoeheel. These being the types of shocks and strains contributing largely to shin splints and plantar fasciitis and attendant pathologies.

The invention relates to a swimsuit with pressure-reducing and speed-increasing functions, in particular to a pressure-reducing and speed-increasing swimsuit suitable for water sports of popular competitions and entertainment. According to a drawing pin point pressure reduction principle, a plurality of hot fix rhinestones are firmly adhered to the outer surface of a common swimsuit according to a certain arrangement mode. Compared with a common flat swimsuit, when a participant wears the swimsuit, the participant advances in a fixed novel experience type swimming pool (similar to the characteristics of a common swimming pool) or launches (strikes) the suspended balls in the water, and the swimsuit has the obvious effects of reducing the head-on resistance, namely reducing the pressure and increasing the speed. A participant wears a pressure-reducing swimming cap on the head, wears a pressure-reducing long sleeve, a pair of trousers and a swimsuit, barefoot or a pair of roller skates on the body, does moving water sports such as walking or roller skating in a swimming pool, and can also do water body-building entertainment sports such as back-and-forth ball hitting and ball playing in water. The water-based swimming pool is suitable for people, can enter a common swimming pool, can recognize water, and has a certain age, for example, people of all ages, such as older than 8 years old.

The invention discloses a barefoot shoe. The shoe comprises a shoe sole and a shoe upper which are integrally connected, the shoe sole is made from a TPU material, a plurality of acupuncture points are arranged on the uniform protrusions of the bottom surface of the shoe sole, and the acupuncture points of the protrusions are integrated with the shoe sole by thermoforming; a topline is formed in the shoe upper. The barefoot shoe (sock shoe) has the advantages that the shoe is light, the shoe wearing is convenient, the gas permeability is good, and the comfortability is good, a person feel relaxed during the movement, basically protecting feet is ensured, blood circulation of foot soles are promoted, foot joints and muscles are strengthened, the protrusions of the shoe sole can slightly stimulate the foot acupoints, and the burden on foot joints and foot muscles is relatively reduced, thereby bringing more healthy factors to a human body.

The invention discloses a shoe size measuring all-in-one machine, and relates to the technical field of shoe size measuring, in particular to a shoe size measuring all-in-one machine which comprises a base, an auxiliary measuring mechanism and a vertical plate perpendicular to the base are arranged on the base, a plurality of wiring harness limiting mechanisms are arranged in the base, and a height measuring mechanism and a connecting frame parallel to the vertical plate are arranged on the vertical plate. The connecting frame is fixed to the vertical plate through bolts, and a display screen is arranged in the connecting frame. An auxiliary measuring mechanism arranged on the machine drives a motor to roll a film through a shaft rod, pull the film to move and pull a reel to rotate through the film, a user can tread on the surface of the film with barefoot, the film is rolled through the shaft rod, the film can be replaced, and the acting point of the sole is judged according to the degree of wrinkles borne by the film. And whether foot diseases such as flatfoot, splay-in, splay-out or talipes equinovarus exist or not is measured, the size of the sole is measured, and the size of the shoe worn by the sole corresponds to the size of the shoe worn by the sole through calculation of a chip in the machine.

The invention provides an automatic person identification method based on barefoot or stockinged footprint images. The method includes the steps that (S1) the number of footprints is calculated, if only one footprint exists, the step S2 is executed, and otherwise, the step S3 is executed; (S2) structure shape and pressure features of the footprint are extracted, and the step S4 is executed; (S3) related features of cluster footprints are extracted if multiple cluster footprints exist, single footprint partition is carried out, structure shape and pressure features are extracted, and the step S4 is executed; (S4) feature query is carried out, similarity analysis and scoring are carried out on the footprint features and individuals in a sample database, and the step S5 is executed; (S5) if the score is smaller than a certain score, the step S6 is executed, and otherwise, the step S7 is executed; (S6) feature training is carried out on the extracted footprint features, the sample database is updated, and the identification process is over; (S7) the individual with the highest score serves as a query result and is output, and identification is over. By means of the method, quantitative statistics and scoring can be carried out on the features of the footprints, automatic footprint identification is achieved according to scoring results, and accordingly person identification is achieved.

A pair of minimalist barefoot shoes has two shoe units. Each shoe unit has a shoe member, a medial arch pulling member, and a pressing member. The shoe member has a shoe body, a toe member, and a sole. The shoe body has a medial arch segment, an instep lateral segment, a receiving space, an opening, and an attachment layer. The medial arch pulling member is mounted on the shoe member and has a pulling segment and a connection layer. The pressing member is mounted on the shoe body and has a pressing segment and a combination layer. The pressing segment is attached securely to the shoe body, extends around an medial arch segment of the shoe body, and covers the first end of the medial arch pulling member.

The invention relates to a three-dimensional footprint modeling and feature extraction method, which comprises the steps of performing three-dimensional footprint modeling according to a barefoot footprint, and determining a coordinate system; and according to the determined coordinate system, in combination with a foot skeleton distribution structure, motion habit characteristics and barefoot footprint characteristics, performing morphological length characteristic extraction and regional relationship characteristic extraction on barefoot footprints respectively. The invention also relates toa three-dimensional footprint modeling and feature extraction system. According to the method, the problem of large deviation between the traditional artificial subjective experience inspection and the identification mode can be solved, and a basis is provided for accurate footprint inspection and identity authentication.

The invention provides a footprint geometrical shape characterization method based on combination of polynomial fitting and right-angle filtering, and the method comprises the steps: S1, obtaining a barefoot footprint image, and carrying out the preprocessing of the barefoot footprint image; s2, based on the pre-processed barefoot footprint image, judging a left barefoot and a right barefoot; s3, representing a left plantar leading edge line based on a 9-order polynomial; s4, representing a right plantar leading edge line based on a 9-order polynomial; s5, based on a right-angle filter, extracting toe contours; s6, extracting the outer contour of the barefoot footprint; and S7, representing the barefoot contour. According to the invention, a right-angle filter is adopted to find gullies between toes, namely concave and convex points, and the toes are separated through the concave and convex points between the toes; according to the method, the distance relation between the centers of the toes is considered, if the toes which are wrongly separated appear, the centers of all the connected domains can be solved, and if the distance between the center points of the two connected domains is too close, the two connected domains are expanded into one connected domain.

The invention relates to a suspended water polo in a swimming pool, in particular to a suspended water polo which is manufactured in an experience type flat-bottom swimming pool with the characteristics similar to those of a common flat-bottom swimming pool according to the requirement of suspending at a certain water level. The water polo is a point-to-point series water polo which is selected and modified according to the requirements of the drawing pin pressure reduction principle, the appearance structure, the water polo stress condition, the balance factor and the like. A participant wears a pressure-reducing swimming cap on the head, and wears a pressure-reducing long sleeve, a pair of trousers swimsuit, barefoot or roller skate on the body. In the experiential swimming pool, the user can breathe on water and play the ball underwater in an upright state, so that the user can breathe on water and play the ball underwater with certain interestingness and ornamental value. A suspended water polo in a swimming pool is mainly used in the following three exercises: (1) one person aims at ceramic tile walls on four sides of the swimming pool to play a ball (in an allowed experience type swimming pool); and (2) single-shot (two face-to-face erectors) or double-shot (four face-to-face erectors). And (3) competition balls (10 erectors, 5: 5) of the roller skating hockey.

The invention discloses a pair of naked shoes and a production process thereof, and aims to solve the problem that feet are in direct naked contact with shoe bodies when the naked shoes are used as barefoot shoes. The naked sense shoe comprises a vamp and a sole, the edge of the sole is provided with an arc edge which is bent upwards, the vamp and the sole are connected through four needles and six threads, and the vamp and the arc edge are fixed through the four needles and the six threads so that the vamp can form a three-dimensional shape. The structural design of the sole and the vamp of the naked shoe is more comfortable to fit with the sole of the foot; four-needle six-thread sewing processing is more convenient, and shoes can be formed only by one-time sewing; four needles and six threads are adopted, no redundant edge exists, and wearing is more comfortable; the flaky fabric is arranged at the rear end of the sole, so that the adhesiveness and the three-dimensional shape of the shoe are improved.

The invention discloses a high-elasticity barefoot shoe. The shoe comprises a sole and a sock-shaped part. The sock-shaped part is sock-shaped and is matched with a foot part. The bottom of the sock-shaped part clings to the sole and is fixed on the upper surface of the sole. The sole is made of flexible elastic materials. A heightening layer is arranged on the heel portion of the sole. A plurality of embedding grooves are formed in the inner side of the heightening layer. Embedding materials are arranged in the embedding grooves. An elastic cover covers the embedding grooves. Through holes are densely distributed in the elastic cover. The lining cloth covers the elastic cover, and the lining cloth is provided with air holes. According to the high-elasticity barefoot shoes, the embedding grooves for containing volatile substances can be formed in the heel of each high-elasticity barefoot shoe. Substances in the embedding grooves can volatilize into the shoe cavity of the high-elasticity barefoot shoe through the elastic coves and the lining cloth to achieve the similar effects of killing fungi and increasing fragrance.