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第五章 結論
總結本研究三個部分的實驗結果,可以觀察到對於品味的感知的確具有⾼
度主觀的特性,即便是透過專業的品評⽂字與風味圖譜進⾏訓練,電腦品味模 型仍無法在每個不同風味屬性都達到良好的預測結果。然⽽,普遍來說,電腦 模型預測結果與專家品評結果的相似度仍較⼀般消費者評測結果與專家品評結 果之間明顯為⾼。對於⼀些較特殊的風味感知屬性,像是許多蘇格蘭威⼠忌獨 有的 Peaty(泥煤味),電腦模型能透過學習專家品評筆記之品味⽂本與風味 感知屬性評分⽽達到相對優秀的預測效能,甚⾄可能具有近似於⼈類⼀般消費 者的感知模式,此⼀發現相當值得未來後續研究做進⼀步的探索。
⾄於⼀般消費者就品味測試的感官分析評測結果,普遍來說⼤致呼應 Ares 等⼈在 2017 年所做的相關研究結論[50],⼀般消費者評測的準確度隨著個體 的感知能⼒差異有著很⼤的變異性。
總和以上實驗之結果,可以認定當前電腦模型對於⽂字風味的品味能⼒,
在特定領域訓練資料的輔助下,已有機會能凌駕於⼀般消費者之感知⽔平,此
⼀成果亦可提供感官分析的研究領域作為產業應用未來⽅向之參考,如能透過 電腦模型的輔助,替代⼀部分的消費者感官品評測試執⾏,除可在⼀定程度上 加強研究結果的客觀性,更能節省⼤量的時間與⾦錢成本。
在資訊科學的情感設計領域,未來若能通過自然語⾔處理之情緒分析模型 進⼀步理解⼈對於風味的⽂字解讀與表達能⼒,例如:消費者對於特殊、不討
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喜風味的發現、偵測能⼒較強,但對於日常頻繁接觸的風味之強度評估能⼒較 弱,以及對於味覺的辨別⼒較嗅覺為佳等等命題,皆有機會透過更多的資料與 實驗來驗證。透過這些頗具潛⼒的延伸研究,或有機會在未來開發出更接近真
⼈感知⽔平的品味相關情感設計應用。
最後,在現有深度學習任務延伸應用的部分,目前透過學習Distiller 酒飲 網站資料之品味相關詞彙意義⽽產⽣的預訓練模型,目前對於現有Yelp 之餐廳 評論情緒分析任務並未帶來預期中的顯著成效提升,然⽽,考量到目前模型效 能尚不突出,未來若能持續改進模型效能、擴充對其他品味相關資料集的學習 訓練,甚⾄是進⼀步建立品味相關之專門術語字典作為輔助,預期將有機會對 於加強與嗅覺、味覺相關之分類任務成效帶來⼀定程度的幫助。
最後,本研究衷⼼盼望,此次對於品味分析研究的初步嘗試,能夠發揮拋 磚引⽟的功效,能促成未來更多與嗅覺、味覺感知屬性相關,整合資訊科學與 感官分析領域的品味分析研究,藉此對於跨領域知識科技的整合以及網際網路 數位內容資料的運用形式等應用研究發展,貢獻微薄之⼼⼒。
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