Weakness: 1. This manuscript is more like an experimental discovery paper, and the proposed method is similar to the traditional removal method, i.e., traverse all the modal feature subsets and calculate the perceptual score, removing the last subset. The reviewer believes that the contribution of the manuscript still has room for improvement. 2. The contribution of different modalities of different instances may be different, e.g., we have modalities A and B, some instances with good performance of modality A which belongs to the strong modality, whereas some instances with good performance modality B which belongs to the strong modality. Equation 3 directly removes the modal subset of all instances. How to deal with the problem mentioned above.
2. The contribution of different modalities of different instances may be different, e.g., we have modalities A and B, some instances with good performance of modality A which belongs to the strong modality, whereas some instances with good performance modality B which belongs to the strong modality. Equation 3 directly removes the modal subset of all instances. How to deal with the problem mentioned above.