Research On Interactive Technology Based On Human Computer Characteristics

Human-computer interaction technology is one of the common technologies in the computer field.It has been widely used in the interaction between users and computers.According to the different requirements of users,interactive devices with different characteristics are designed and produced.For example,direct devices and indirect devices are designed for different operation modes.The appearance of these devices improves the operation efficiency of users.However,these devices have not fully considered the user's feature attributes,so there is still room to improve the interaction efficiency.For example,when using the electronic pen to operate in different screen tilt angles,the contact between the hand and the screen may be changed.Therefore,designing a targeted and efficient interaction strategy based on different device characteristics is a problem that cannot be ignored.In the study of device characteristics,the influence of screen size and tilt angle on pen interaction,performance difference between direct device and indirect device,how multi-channel interaction of pen is applied to interactive devices with different attributes,how to find features the interaction between the two is a problem worthy of study and analysis.This topic explores the factors affecting the multi-channel input performance of the pen from the perspective of user characteristics and device characteristics.For the user characteristics,it is divided into the user's physiological characteristics and the user's behavior characteristics.Firstly,according to the user characteristics,the characteristics distribution of the pen channel value when the user uses the electronic pen for natural writing tasks in different states is investigated,and the habit of the user using the device is obtained.The main equipment studied in this subject is the electronic pen and the interactive digital screen.For the characteristics of the device,the empirical means to examine the tilt angle of the screen,the size of the screen and the operation mode of the device(direct operation / indirect operation)on the user's operation.Analyze whether there is correlation between each channel of the pen,and the influence of changes in device characteristics on each channel value of the pen.Through qualitative and quantitative analysis,the following conclusions can be drawn: the user has different eigenvalues in different screen sizes and operating modes,and the channel values also change as the user's state changes;using pen pressure and pen tilt angle In operation,the speed performance on the direct device is better than the indirect device;the accuracy performance and accuracy performance on the indirect device is higher than that of the direct device;and when the screen tilt angle is 90°,the user's operating experience is the worst;When the pen tilt angle is input,as the screen size increases,the accuracy of the user's operation with the pen decreases;there is a correlation between the pen input channels,wherein the pen pressure has a low correlation with other pen input channels.It can be used independently,and the pen azimuth is highly correlated with other channels.It is not suitable for use alone,and the azimuth is greatly affected by the tilt angle of the screen.Therefore,when the screen tilting is combined,the pen orientation should also be avoided.According to the experimental results,some reasonable suggestions for improving the pen input efficiency under different device characteristics and interaction scenarios are given.