A portable multimodal learning analytics smart glasses, comprising a frame module, a smart screen module and a glasses carrier module, wherein the glasses are configured to capture and analyze multimodal data generated by a learning user in real time with a multimodal learning analytics method, and feed a visual analysis result back to the learning user;
- wherein the frame module comprises a front compartment, a moving compartment and a rear compartment;
- an audio device and a chip module is provided at an outer side of the front compartment, and a gyroscope module is provided at an inner side of the front compartment;
- the audio device is configured for voice recognition to convert language data into text in real time through the audio device and monitor head movement through the gyroscope module;
- and the chip module is configured for data analysis to read and analyze student data in real time and to store the student data in a preset data structure;
- wherein a charging interface, a switch and a wireless transmitter are provided at the outer side of the front compartment, a micro laser limit switch, a micro gear, a chip module, a cable, a battery and a micro rack are provided at the inner side of the front compartment, and the micro laser limit switch, the micro gear, the chip module, the cable, the battery and the micro rack are provided at the front compartment in sequence;
- the battery is connected with the charging interface and the switch through the cable, and supplies power to the whole glasses, and the wireless transmitter is connected with the chip module;
- the micro laser limit switch is connected with the micro gear, the micro gear is matched with the micro rack, the micro rack is connected with the moving compartment, and the micro laser limit switch is configured to constrain front and rear position limits of the moving compartment by scanning movement of the moving compartment;
- wherein the moving compartment is provided with a base camera positioned vertically downward, a roller, a flexible screen, an outlet slot and a flexible screen guide rail;
- wherein the base camera is configured to monitor eyeball movement and a facial expression;
- the roller is rotatably connected with the flexible screen, the flexible screen is connected with the frame module through the flexible screen guide rail, and the flexible screen is capable of sliding out of the outlet slot of the frame module along the flexible screen guide rail;
- wherein the smart glasses are configured to visualize a processing result of data reading and analyzing and feed the processing result back to a student by the flexible screen through multiple visual graphics;
- wherein a voice recognition and analysis result is capable of extracting a keyword by stutter segmentation algorithm and showing a conversation feature of a learner through a visual graphic of keyword clustering, the head movement analysis result is capable of showing current head raising, head lowering or head turning movements of the learner and feeding a relevant frequency back to the learner;
- and
- wherein the rear compartment is provided outside the frame module, and provided with a physiological index sensor, and the physiological index sensor is configured to monitor a physiological index.