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CN-122014971-A - Real-time musical performance posture reminding system based on vision capture

CN122014971ACN 122014971 ACN122014971 ACN 122014971ACN-122014971-A

Abstract

The invention relates to the technical field of computer vision, and discloses a real-time reminding system for a music playing posture based on vision capture, which solves the problem that the position of a camera is difficult to flexibly adjust according to different types of music instruments, heights of players and training key points at present, and comprises a base, wherein a bracket is fixedly arranged at the bottom of the base, an adjusting mechanism I is arranged at the top of the base, the first adjusting mechanism comprises a screw rod fixed at the top of the base, a lifting cylinder is arranged on the outer side of the screw rod, a top plate is fixedly connected to the top end of the lifting cylinder, two guide rods are symmetrically and fixedly connected to the bottom of the top plate, two guide holes are symmetrically formed in the top end of the screw rod, the two guide rods are respectively inserted into the two guide holes, and a driving motor is fixedly arranged at the top of the top plate; the invention is convenient for adjusting the height of the camera, thereby being convenient for flexibly adjusting the position of the camera according to different types of music instruments, heights of players and training key points.

Inventors

  • TIAN TIAN

Assignees

  • 浙江艺术职业学院

Dates

Publication Date
20260512
Application Date
20260313

Claims (9)

  1. 1. The real-time reminding system for the music playing posture based on the visual capture comprises a base (1) and is characterized in that a bracket (4) is fixedly arranged at the bottom of the base (1), a first adjusting mechanism (2) is arranged at the top of the base (1), and a second adjusting mechanism (3) is arranged on the first adjusting mechanism (2); The first adjusting mechanism (2) comprises a screw rod (201) fixed at the top of the base (1), a lifting cylinder (203) is arranged on the outer side of the screw rod (201), a top plate (204) is fixedly connected to the top end of the lifting cylinder (203), two guide rods (2012) are symmetrically and fixedly connected to the bottom of the top plate (204), two guide holes (2011) are symmetrically arranged on the top end of the screw rod (201), the two guide rods (2012) are respectively inserted into the two guide holes (2011), a driving motor (205) is fixedly arranged on the top of the top plate (204), a driving shaft (206) is fixedly connected to the driving motor (205), an L-shaped plate (208) is fixedly connected to the top end of the driving shaft (206), a connecting shaft (2026) is fixedly connected to the outer side of the L-shaped plate (208), a mounting frame (2027) is fixedly sleeved on the outer side of the connecting shaft (2026), and a camera (2010) is arranged on the outer side of the mounting frame (2027).
  2. 2. The real-time reminding system for the music playing posture based on visual capture according to claim 1, wherein the outer side of the screw rod (201) is in threaded connection with the screw tube (202), the inner side of the lifting tube (203) is fixedly provided with the inner ring (2016), the inner ring (2016) is located on the outer side of the screw tube (202), the outer rings (2015) are respectively arranged on the upper side and the lower side of the inner ring (2016), the two outer rings (2015) are fixedly connected with the outer side of the screw tube (202) in a sleeved mode, one side, close to each other, of the two outer rings (2015) is fixedly connected with a plurality of limiting rods (2014) at equal angles, and one end of each limiting rod (2014) is provided with a ball two (2013) which is in butt joint with the inner ring (2016).
  3. 3. The real-time reminding system for the music playing posture based on visual capture of claim 1, wherein the L-shaped plate (208) is fixedly connected with a support column (207), and a ball I (209) positioned at the top of the top plate (204) is arranged at the bottom end of the support column (207).
  4. 4. The real-time reminding system for the music playing posture based on visual capture according to claim 1, wherein a chute (2023) is arranged on the L-shaped plate (208), a sliding rod (2019) is fixedly connected to the inner side of the chute (2023), a sliding plate (2020) is movably sleeved on the outer side of the sliding rod (2019), a toothed plate (2024) is fixedly connected to the outer side of the sliding plate (2020), a gear (2025) is fixedly arranged on the outer side of a connecting shaft (2026), and the gear (2025) is meshed with the toothed plate (2024).
  5. 5. The real-time reminding system for the music playing posture based on visual capture according to claim 1, wherein a screw rod (2022) is rotatably connected to the inner side of the L-shaped plate (208), a hand wheel (2018) is fixedly connected to the bottom end of the screw rod (2022), a screw nut (2021) is sleeved on the outer side of the screw rod (2022) in a threaded manner, and a sliding plate (2020) is fixed to the outer side of the screw nut (2021).
  6. 6. The real-time reminding system for the music playing posture based on visual capture of claim 1, wherein the second adjusting mechanism (3) comprises a U-shaped round rod (301) fixed on the outer side of the lifting cylinder (203), a lifting plate (305) is movably sleeved on the outer side of the U-shaped round rod (301), a processor (302) is arranged on the outer side of the lifting plate (305), and a display screen (303) is arranged on the processor (302).
  7. 7. The real-time reminding system for the music playing posture based on visual capture of claim 6 is characterized in that a sleeve plate (304) is fixedly sleeved on the outer side of the U-shaped round rod (301), and a roller (306) abutted with the sleeve plate (304) is arranged on the outer side of the lifting plate (305).
  8. 8. The real-time reminding system for the music playing posture based on visual capture according to claim 6, wherein an installation block (309) is fixedly connected to the outer side of the lifting plate (305), an L-shaped round rod (3012) is fixedly connected between the installation block (309) and the processor (302), a translation block (3011) is movably sleeved on the outer side of the L-shaped round rod (3012), a spring (3010) is fixedly connected between the translation block (3011) and the installation block (309), the spring (3010) is sleeved on the outer side of the L-shaped round rod (3012), a plug rod (308) is fixedly connected to the outer side of the translation block (3011), and the plug rod (308) penetrates through the installation block (309) and is movably connected with the installation block (309).
  9. 9. The real-time alert system for a musical performance gesture based on visual capture as claimed in claim 7, wherein the outside of the sleeve plate (304) is provided with a plurality of insertion holes (307) at equal intervals, and the insertion rods (308) are inserted into the corresponding insertion holes (307).

Description

Real-time musical performance posture reminding system based on vision capture Technical Field The invention belongs to the technical field of computer vision, and particularly relates to a real-time music playing posture reminding system based on vision capture. Background The music playing posture real-time reminding system based on vision capture is music auxiliary teaching equipment integrating computer vision, human body posture recognition and real-time feedback technology, the core of the music auxiliary teaching equipment is composed of three core components, namely a camera, a processor and a display screen, wherein the camera is responsible for collecting high-definition video streams of hands, arms and limbs of a player from multiple views, the processor analyzes action data through a built-in AI skeleton recognition algorithm and compares the action data with a standard playing posture template, the display screen presents a picture with posture deviation marks in real time, visual action correcting guidance is provided for the player, the music auxiliary teaching equipment is widely applied to scenes such as home practice organs, music training institutions and the like, the player can be helped to quickly develop a standard playing posture, in the conventional deployment of the system, the camera is usually installed on the periphery of a musical instrument through a fixed support, the processor is integrated with terminal equipment such as a computer and a flat plate, the display screen is placed at the position where the vision residual light of the player can reach, and the three realize data linkage and instruction transmission through a wireless or wired link. In the equipment architecture of the prior art, the installing support of camera is mostly fixed structure, only can realize single angle or high location, is difficult to according to different musical instrument types, player's height and training key nimble adjustment position. Disclosure of Invention Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a real-time reminding system for the music playing posture based on visual capture, which effectively solves the problem that the position of a camera is difficult to flexibly adjust according to different types of music instruments, heights of players and training emphasis at present. The real-time reminding system for the music playing posture based on visual capture comprises a base, wherein a bracket is fixedly arranged at the bottom of the base, a first adjusting mechanism is arranged at the top of the base, and a second adjusting mechanism is arranged on the first adjusting mechanism; The first screw rod that is fixed in the base top is equipped with a lift section of thick bamboo including the outside of adjustment mechanism, the top fixedly connected with roof of a lift section of thick bamboo, the bottom symmetry fixedly connected with two guide bars of roof, the top symmetry of screw rod is equipped with two guiding holes, two guide bars insert respectively in two guiding holes, the top fixed mounting of roof has driving motor, fixedly connected with drive shaft on the driving motor, the top fixedly connected with L template of drive shaft, the outside symmetry fixedly connected with of L template is connected with two side pieces, rotate between two side pieces and be connected with the connecting axle, the outside of connecting axle is fixed to have cup jointed the mounting bracket, the outside of mounting bracket is equipped with the camera. Preferably, the outer side of the screw is in threaded connection with a screw cylinder, the inner side of the lifting cylinder is fixedly provided with an inner ring, the inner ring is positioned at the outer side of the screw cylinder, the upper side and the lower side of the inner ring are respectively provided with an outer ring, the two outer rings are fixedly sleeved on the outer side of the screw cylinder, a plurality of limiting rods are fixedly connected to one side, close to each other, of the two outer rings at equal angles, and balls II abutted with the inner rings are arranged at one end of each limiting rod. Preferably, the L-shaped plate is fixedly connected with a support column, and the bottom end of the support column is provided with a first ball positioned at the top of the top plate. Preferably, the L-shaped plate is provided with a sliding groove, the inner side of the sliding groove is fixedly connected with a sliding rod, the outer side of the sliding rod is movably sleeved with a sliding plate, the outer side of the sliding plate is fixedly connected with a toothed plate, the outer side of the connecting shaft is fixedly provided with a gear, and the gear is meshed with the toothed plate. Preferably, the inner side of L template rotates and is connected with the lead screw, and the bottom fixedly connected with hand wheel of lead screw, the outside screw thread