What are the powerful equipment VR products?

here today with all of you take a look at what are the powerful equipment on VR products? Then what is? Then we'll take a look at.

hand has the extremely important status in human life, is used to know, understand and transform the surrounding environment. If we can directly use the hand to interact with the virtual world, the daily life experience directly applied to the interactive activities, can fully improve the maneuverability of the virtual world, and it can be finished in the virtual world more complex task, VR gesture input device also was born, his presence and interaction in the virtual world hand into full play in the process of interaction, naturalness, dexterity and adaptability to create the conditions, made it possible to implement based on the technology of gesture interaction.

the gestures of VR input device with VR handle, data glove, the gesture input device based on computer vision fall into three categories, the input devices are currently hot black science and technology, VR field on the categories below we VR gestures to parse the input device.

1) VR VR joystick belongs to local action tracking, including the tradition of using inertial sensors, vibration motor and motion-sensing joystick. Here we mainly look at the use of inertial sensors to obtain the information input handle.

handle according to the acceleration and the magnetic field sensor based on inertial sensor component on each measurement axis and calculated the handle and geomagnetic field axis relative to the acceleration of gravity axis of the pitching Angle and azimuth Angle, the two angles as state variables to calculate the motion commands of the handle, through a serial port sent to the host, and then completes the corresponding virtual scene movement in the virtual scene.

VR handle via an external camera also track the position of the handle, allows the user through the manipulation of the VR handle can visit freely in the virtual scene. In addition, the handle can through the human-computer interaction in the form of buttons and implementation by means of vibration motor feedback, enhance users' sense of immersion. VR handle has simple structure, stable performance, low cost, easy to use, the characteristics of the present stage is suitable for the family, and only need to change the content of the virtual scene can be portable to other application fields, the system has strong portability.

the VR handle also has the obvious flaws: for fine hand joint action cannot be restored; Not for precise localization of hand movements; Easily influenced by ambient ferromagnet and lower precision.

2) Data glove in the data glove is equipped with many optical fiber sensors, sensing finger joint bending state, and the state information is converted into electrical signals and after dealing with the microprocessor then output to a computer via a serial port. In human-computer interaction in the process of using data glove to catch all kinds of hand gestures or movements of the operator's hand, transmitted to the computer generated virtual environment. Data glove can not only pass the gesture of a man's hand accurately in real time to a virtual environment, and is able to contact with the virtual hand and virtual objects information feedback to the operator to make the operator and more immersive virtual environment to a more natural way to interact.

data glove is a small amount of input data and the advantages of fast, direct access to hand in the space of 3D information and finger movement, can identify the types of gestures, capable of real-time identification. In addition, this kind of products are designed to meet the experts working in the field of motion capture and animation of the strict requirements, it is simple to use, operating comfort, driving range, high data quality, applicable to the robot system, surgical operation, virtual assembly training, sign language recognition system, education, entertainment, and many other fields.

however, due to the effect of technology and materials, the product is expensive, common applications unbearable, small scope of audience, and because the data glove on some hardware devices ( Such as sensors) Material is delicate, have aging fast, can not long time application of faults. In addition, the data glove wear complex, bring a lot of inconvenience to the person, and because of itself does not provide information related to the spatial location, so data gloves must be used with position tracking in order to achieve the purpose of the spatial location information.

3) Gesture input device based on computer vision gesture recognition based on computer vision can be divided into gesture recognition based on monocular vision and gesture recognition based on eye vision. Gesture recognition based on monocular vision is through a single camera to collect images gestures and thus plane gesture model is established. This method a comparatively small amount of data processing and recognition speed, but for the user to enter a restricted gestures. Based on eye visual gesture recognition is by two or more than two cameras to collect images, stereo model is set up. This kind of method for user gesture input limit is small, can realize the human-computer interaction more natural, but because of the complexity of the three-dimensional model, need to deal with a large amount of data, complicated calculations.

gesture recognition device based on computer vision is the typical representative products of Leap Leap Motion gesture recognition, G - equipment Wearables StepVR of independent research and development products of gesture recognition equipment. This kind of products in the implementation without buying expensive equipment, only need to camera, PC, and a more natural and convenient in operation, conforms to the requirement of people-oriented and freedom, is the trend for the future development of gesture recognition. In addition, the product without peripherals, do not need to wear any equipment, the use of flexible light, wide range of USES.

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