Noriko Nagata

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Verified

Noriko verified their affiliation via an institutional email.

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• PhD
• Professor (Full) at Kwansei Gakuin University

Chords are one of the most important elements of music, and their sound evokes various impressions and emotions. It is known that the way people perceive the sound of chords differs from person to person, but this has not been sufficiently studied until now. In this study, we analyzed individual differences in chord perception using kansei engineer...

As user needs become more diverse, the methodology of creating affective value, which models kansei values (e.g., users’ preferences and satisfaction) and applies them to product design, is attracting attention. Kansei value creation research uses psychological experiments, statistical analysis, AI technology, and other techniques to index kansei,...

In this study, we analyzed the effects of sound environments on creativity using three-dimensional sounds of different types. The results of three experiments revealed that spatial and non-spatial impressions that lead to diffuse and convergent thinking are required in spaces where creativity is needed, and that these impressions are composed of no...

In this study, for the purpose of alternative evaluation of sensibility by a large-scale language model (LLM), we evaluated the conformity of evaluation expressions related to the five senses and measured the distance between evaluation words by the LLM. We compared the results of subjective evaluations of three senses (sight, hearing, and smell) w...

This study aims to qualitatively clarify the structure of the emotional value provided by luminous panels. Luminous panels and other luminous objects have the potential to create new emotional value that differs from that of lighting and displays, although the structure of this value has not been clearly defined. In this study, we conducted intervi...

This study aims to qualitatively clarify the structure of the emotional value provided by luminous panels. Luminous panels and other luminous objects have the potential to create new emotional value that differs from that of lighting and displays, although the structure of this value has not been clearly defined. In this study, we conducted intervi...

To improve comfort, research is being conducted from various perspectives such as heat, light, and sound. One of the factors that should be considered to achieve even higher levels of comfort is individual differences, such as sensitivity to heat or cold. Individual differences are a particularly problematic factor in environments where many indivi...

It has been conventionally assumed that synesthesia emerges during early childhood, indicating it is an innate trait, as supported by subjective reports. In contrast to this assumption, our investigation, focusing on grapheme-color/sound-color synesthesia, suggests possible acquired synesthesia among players of a Japanese card game. (In this game,...

This study aimed to examine the impact of virtual bass technology on sound perception and its potential effects on the electroencephalogram (EEG) of individuals who prefer bass-heavy audio. A group of eleven participants was exposed to nine jazz music excerpts, with added harmonics generated from low-frequency components to enhance the bass sound v...

This study proposed to understand the needs of foreign travelers as tourism motivation types in order to realize bespoke services in the tourism industry. 1157 foreign residents in eight countries and regions were surveyed, and the results showed that foreign travelers could be classified into eight tourism motivation types. Preferences for tourism...

The aim of this study is to construct a model for estimating impressions and emotions based on the hierarchical structure of emotions, focusing on the emotional quality of textured patterns on clothing. Impressions and emotions are quantified in subjective evaluation experiments on pattern images, and a sensitivity estimation model is constructed u...

The individual interview method, by means of the evaluation grid method, is known as a technique for structurally understanding users' needs; however, it takes much time and effort to experiment and analyze. In this research, we aim to automate a step of the evaluation grid method by constructing a keyphrase-generation system using a large-scale la...

This study proposes a method to categorize evaluation items for the purpose of automating the evaluation grid method that visualizes the evaluation structure hierarchically. Because the answers to the evaluation items in the evaluation grid method are open-ended, it is necessary to integrate similar items. By using BERTopic, a topic analysis method...

This study proposes a method for extracting emotional values common and unique to domains from review data. First, hierarchical clustering is used to classify the data into clusters of multiple domains that share common values based on the occurrence rate of impression words. Next, using the impression words common to all the clusters, LDA is used...

In this study, we investigated the risk cognition process for berthing maneuvers based on the comparison between experts (professional pilots) and novices (students in navigation course of Tokyo University of Marine Science and Technology). In the experiment, participants watched a video of a vessel entering or leaving port, rated the degree of ris...

The individual interview method using the evaluation grid method is known as a method for structurally understanding users' needs, however, it takes much time and effort to experiment and analyze. In this study, we apply a large-scale language model to the interview framework and construct an interview dialogue system for the evaluation grid method...

We propose a texture synthesis method that controls the desired visual impressions using CNN style features and content features. Diversifying user needs has led to the personalization of products according to individual needs. In the custom made garment service, users can select and combine fabrics, patterns, and shapes of garments prepared in adv...

In this research, we examined the affective values realized by two different tourist sites: Sannomiya (Kobe) and Asago. We conducted interviews based on the Evaluation Grid Method with 14 participants. The result of the interviews revealed different affective values according to the site and valence. For Sannomiya, “increasing return motivation” an...

We investigated Kansei hierarchical structures of protective films for smartphones to clarify user’s evaluation criteria. The hierarchical structure was hypothesized to be divided into three layers: physical element, impression, and value. For physical elements, optical characteristics were measured. For impression, evaluation words for protective...

In the eld of fashion design, impressions evoked by the texture of materials, such as ashy and cool (affective texture), attract attention. The affective texture is considered necessary in evaluating and judging the quality of an object and personal preferences. In the fashion domain, there is a high demand for personalization of designs when diver...

We propose a texture synthesis method that controls the desired visual impression by using CNN style features and content features. Diversifying user needs has led to the personalization of products according to individual needs. In the custom-made garment service, users can select and combine fabrics, patterns, and shapes of garments prepared in a...

In this study, to create the Kansei Index for natural and synthetic fragrances, we collected terms used by experts to evaluate fragrances and created scales for fragrance characteristics (L1), sensation/perception (L2), aesthetic properties (L3), and emotional expressions (L4). We conducted a questionnaire survey of non-experts using these scales a...

With the development of 3D printer technology, it has become possible to reproduce surface shapes. However, the methodology to reproduce the desired tactile sensation has not been sufficiently studied. In this study, we measured the surface shape of canvas and tried to reproduce the surface shape using a 3D printer. Then, we conducted a grouping ex...

A paradigm shift is taking place from the era of buying common off-the-shelf products to that of buying personalized products. In this study, we modeled salesclerks' utterances and performed experimental evaluation of using a communication robot in bespoke scenes, which is a sales method of customized products. First, we extracted the model of the...

First, with the help of essential oil experts, the rating items for essential oils were collected (Study 1). Then the rating items were evaluated and classified, and statistically analyzed. Through this procedure, important, appropriate and representative rating items were selected in an unbiased and comprehensive manner (Study 2 and Study 3). Fina...

Tactile perception is constructed by touching a material freely with hands. However, various types of touch exist, and we need to clarify the relationship between touch and tactile perception regarding tactile quantification. To clarify the relationship, we studied the relationship between the texture perception and the finger vibration, which is o...

In this paper, we propose a method for indexing, analyzing, and evaluating of the stroking movement based on vibration features as a measurement method that mimics the response characteristics of finger associated with active touch. We developed the tactile information acquisition system to obtain the vibration information during stroking. Moreover...

The ultimate goal of this study is to provide intuitive design support for 3D objects. As a first attempt, we propose a method for estimating impressions of common 3D objects with various characteristics. Although many studies have been conducted to estimate objects’ aesthetics, not enough research has been conducted to estimate the various impress...

This research investigated whether a tent improves individual creativity. We conducted the Japanese version of the Remote Associates Test (RAT) with and without a tent in a laboratory room or in an open area on the lawn of a university campus. The percentage of correct answers on the RAT was significantly higher when they were in the tent. This res...

Kansei values are considered necessary in product design, same as existing values such as price and function. The evaluation grid method is considered helpful in Kansei engineering to visualize human evaluation structures, but it requires a high human time load. In this study, we extract the modification relations of impression words from text data...

The impressions evoked by textures are called affective textures, and are considered to be important in evaluating and judging the quality of an object. And, technologies for understanding and controlling sensory textures are needed in product design. In this study, we propose a BTF prediction method using DNN as a first attempt to generate texture...

In this study, propose a method for estimating the impressions evoked by the style (texture and shape) of a suit for the purpose of a bespoke suit (recommendation) service. We collected 3398 images of suits and used Random Forest to model the relationship between the subjective impressions of 25 words assigned by psychological experiments and CNN f...

The titanium oxide layer undergoes diverse color changes due to thin film interference. Because of its high designability, expectations for various applications are increasing. Accurate representation of the interference color and texture of the oxide layer formation in simulation will lead to design support. In this study, we investigated the simu...

Customized products that can be manufactured according to customers' preferences and applications are attracting attention in the fashion field. One example of a customized product in the fashion field is the "bespoke" suit. Bespoke requires a tailor with expertise. A system that can automatically recommend the impression the user wants would be be...

Facial expressions are expressed by subtle changes in the shape of the eyes and mouth, wrinkles between the eyebrows, etc. However, it is difficult to capture these changes. In this study, we propose a Recurrent Attention Module (RAM) and a facial expression recognition method using RAM to capture subtle changes in facial expressions. In our experi...

Precisely timed production of dexterous actions is often destabilized in anxiogenic situations. Previous studies demonstrated that cognitive functions such as attention and working memory as well as autonomic nervous functions are susceptible to psychological stress in skillful performance while playing sports or musical instruments. However, it is...

In this study, we measured and categorized the tourism motivations of foreigners who wish to visit Japan to attract inbound visitors and illustrate that the willingness to experience tourism resources differs depending on the type of tourism motivation. We first collected domestic and international scales related to tourism motivations and analyzed...

In recent years, a new type of value called the Kansei value has been widely discussed, especially in the manufacturing industry. Many studies have tried to quantify Kansei values and found that human psychological and physiological reactions have certain effects. To further examine the relationships among psychological reactions, physiological rea...

Previous studies indicated that how people look at others' faces depends on observers' characteristics. A vast majority of these studies used aggregated data, treating gaze data in a static manner and often neglected dynamics of observational behaviors. The present study, on the other hand, examined the relationship between observers' personality t...

A paradigm shift is taking place, from the era of common off-the-shelf products to that of personalized products. In this study, we developed a communication robot that could improve customers’ satisfaction in bespoke scenes, which is a sales method of personalized products. First, we extracted the model of the salesclerks’ utterances that would be...

This article examined people’s spatial memory and navigation performance when they learned an environmental route using a smartphone map and a paper map. Our results showed that the use of a smartphone map impaired spatial learning and knowledge acquisition. Specifically, participants learned a route less accurately when they used a smartphone map...

This research investigated the psychological stressors during the COVID-19 pandemic. We also examined the effects of essential oil odor exposure during this period. An official stay-at-home restriction order was implemented in May 2020. We sent essential oils to the homes of 30 participants. The participants received emails 5 times a day for 6 days...

With the development of human sensing technology and AI technology, much research of emotion recognition has been conducted. We have already proposed an emotion estimation method from natural body movement based on Laban Movement Analysis. In this study, we applied the proposed method to the scene of design creation where creative work is performed...

We propose an algorithm that enhances convolutional long short-term memory (ConvLSTM), i.e., Enhanced ConvLSTM, by adding skip connections to spatial and temporal directions and temporal gates to conventional ConvLSTM to suppress gradient vanishing and use information that is older than the previous frame. We also propose a method that uses this al...

We aim to provide cosmetics that appeal to users' “sensibility” and have accordingly developed cosmetics based on a sensibility evaluation. As the research subject, we chose exfoliating lotions. Our method correlates the visualized psychological structure with measured physical quantities. To visualize the psychological structure when using an exfo...

Under pressure, motor actions, such as those required in public speech, surgery, or musical performance, can be compromised, even when these have been well-trained. The latter is often referred to as 'choking' under pressure. Although multifaceted problems mediate such performance failure in anxiogenic situations, such as compromised motor dexterit...

The platform of personal fabrication is developed by technologies such as 3D printing. However, most people do not have enough professional knowledge or skills to design these products. A promising approach relates subjective impressions to physical parameters to support intuitive design. This study aimed to build a model that predicts a “high-clas...

In the computer graphics field, the microfacets theory has been a hypothesis in many studies as an effective model for expressing light's reflection from a rough surface, but no studies actually observe microfacets as images. To establish a thin-film interference color simulation of a titanium oxide film based on a physical model in this study, we...

In the provision of bespoke services, a good salesman usually selects the best sales technique based on his observations of the behavior and mental state of the customer. However, it is difficult for an inexperienced staff member to accurately grasp the actual conditions. By repeating the training with the feedback on customer's mental state, the s...

This study examined how rap music with encouraging lyrics affected the mood of 145 college students. Previous studies on the effect of music on mood largely focused on the effect of music as a whole, rhythm, and tempo, and not on lyrics. In addition, regarding the study of lyrics, pain relief and stress reduction have only been investigated. Theref...

In this article, the authors study the relationships between the principal impressions of crinkle-finished surfaces, which are found on camera exteriors, and the characteristics of test images of crinkle-finished surfaces. They extracted impression words for the surfaces through subjective experiments with humans. The results suggest that the impre...

This research investigated the psychological stressors during the COVID-19 epidemic. We also examined the effects of essential oil odor exposure during this period. An official stay-at-home restriction order was implemented in May 2020. We sent essential oils to the homes of 30 participants. The participants received emails 5 times a day for 6 days...

In product design, it has become important to classify users into several types and to design products for each type. In the field of Kansei engineering, users have been classified based on questionnaires. However, questionnaires that have many items require a lot of effort from users. We solved this problem by extracting and modeling key questionn...

In product design, the impressions evoked by surface properties of objects attract attention. These impressions are called affective texture and demand is growing for technologies that quantify, index, and model it. Even in the fashion industry, the diversification of user needs necessitates the customization and personalization of products. Conseq...

In recent years, affective needs, such as usability and comfort, have attracted attention, along with conventional manufacturing needs, such as function, price and reliability. Therefore, when designing products, it is necessary to accurately and efficiently reflect user’s affective needs on product design. To that end, we clarify the user’s emotio...

In the present research, we investigated the factors that affect comfort in the office and individual differences therein. Aside from meta-analysis research, factors that affect comfort were investigated individually (such as thermal factors, lighting, air pollutants, and so on), and the relative importance or relationship between them has not been...

The volitional control of piloerection has been previously reported in a small subset of individuals. Although this ability may be useful to study the mechanism underlying piloerection, there is little existing research on this ability, neither objective evidence at a group-level, nor information about its stability under experimental constraints....

With the development of social media, interest in text mining has been growing steadily during the past few years. Although these research studies have been conducted on product development and marketing, no research has been conducted to explore cultures that create new value not found in existing products. Therefore, we propose a method of extrac...

Precisely timed production of dexterous actions is often destabilized in anxiogenic situations. Previous studies demonstrated that cognitive functions such as attention and working memory as well as autonomic nervous functions are susceptible to induced anxiety in skillful performance while playing sports or musical instruments. However, it is not...

In this study, we conducted a three-part study to divide individuals into segments using subjective evaluation of the exterior design of vehicles and to reveal the characteristics of each segment. In Study 1, 98 participants judged similarity of evaluation items for vehicle exterior design which collected in preliminary study to select the appropri...

In this article, the authors study the relationships between the principal impressions of crinkle-finished surfaces, which arefound on camera exteriors, and the characteristics of test images of crinkle-finished surfaces. They extracted impression words for the surfaces through subjective experiments with humans. The results suggest that the impres...

In order to increase the Kansei value of the glove box, we constructed a model to predict the opening behavior preferred from the relationship between impression evaluation and opening behavior characteristics. Based on this prediction model, we created a preferred opening behavior and verified its effect. From a result of the effect verification,...

The demand for a Kansei (sensibility) value-based product design has recently increased. Accordingly, the digitalization of sensory information is needed to realize the construction of a design framework that realizes the product design based on the Kansei value. No standard framework for digitalization has particularly been presented with regard t...

In recent years, there has been concern regarding the frequent occurrence of nighttime collisions. This research aims to clarify how differences in tail lamp design affect their visibility to other drivers, with a view to develop a design that will make tail lamps more conspicuous. By focusing on visibility in human face recognition abilities, we c...

The authors have been working on the estimation of emotions from body movements in personal fabrication tasks. Body movements express emotions and these expressions vary among individuals. This is one of reasons why emotion estimation with body movements is difficult. Here the authors assume that there are emotion expression types and people of eac...

In the field of Kansei (affective) engineering, the approach is often taken of modeling product's Kansei index to meet user's affective needs. This study work on modeling Kansei index automatically by machine learning using review text and images of products on the web. The proposed method follows: (1) Extraction of the main impressions of target d...

The ability of volitional control of piloerection has been reported in a rare subset of individuals. This ability may be useful to study involuntary emotional piloerection, as research on this phenomenon has suffered from low reproducibility. However, objective evidence at a group-level and stability under experimental constraints remain to be exam...

When we make decisions, we do not always decide by ourselves, but sometimes rely on recommendation systems. Previous recommendation systems focused on the accuracy of the recommendation. More recently, human-centered recommendation systems have garnered attention. The human-centered recommendation is especially important in a context wherein mass c...

In the field of Kansei engineering, the approach is often taken of Kansei evaluation modeling expressing the relationships between physical features and impression of an object. However, in the conventional modeling method, personnel and time costs are very high because multiple experiments and analyses are needed to high precision modeling. In con...

In the case of the product purchase decision making in e-commerce, the tactile sensation a user can obtain from products is restricted. Our goal is to construct a framework for tactile measurement and presentation to remove such restrictions. To realize high-accuracy tactile presentation, we analyze the mechanical characteristics of the fingertip....

The spread of digital fabrication technologies such as 3D printers has increased opportunities to utilize 3D data. A support system for users without specialized knowledge must model the relationships between impressions received from shapes and the shapes’ physical elements. Regarding the structure of impressions, previous works have hypothesized...

Emotion estimation is one of the most essential research areas along with the progress of human sensing and AI technologies. We have already proposed a classification method of emotional expression type based on Laban movement analysis, which is a typical theory for dancers. In this study, we applied the classification method to design creation, wh...

Nagata, N. (2019). Color and Synesthesia. Journal of the Color Science Association of Japan, 43(2), 111-114.

In this study, we focused on domain-specific emotions and investigated the characteristics of the emotions evoked in the individual voluntary manufacture and the characteristics of the manufacture itself. In study 1, we specified the individual manufactures on which we conducted this study. In study 2, we conducted interviews based on the Evaluatio...

To make users feel a specific impression, a number of studies have provided a way to estimate product impressions with physical features. Although the methodologies of these studies are useful in a wide range of areas, they require a large number of evaluation experiments to reveal the relation between them, and their costs are very high. To solve...