أظهرت التقدم المحدد في استخدام مكونات الاسترجاع على مصادر المعرفة الخارجية نتائج رائعة لمجموعة متنوعة من المهام المصب في معالجة اللغة الطبيعية.هنا، نستكشف استخدام مصادر المعرفة الخارجية غير منتهية للصور وتستياؤها المقابلة لتحسين الإجابة على السؤال المرئي (VQA).أولا، نحن ندرب نموذج محاذاة جديدة لتضمين الصور والتعليقات التوضيحية في نفس الفضاء، والذي يحقق تحسنا كبيرا في الأداء على استرجاع التعليق على الصورة W.r.T.طرق مماثلة.ثانيا، نظهر أن المحولات متعددة الوسائط متعددة الاسترجاع باستخدام نموذج المحاذاة المدربين يحسن النتائج على VQA عبر خطوط خطوط خطوط خطوط خطوط خطوط خطوط خطوط خطوط طويلة.كلنا إجراء تجارب مكثفة لإثبات وعد هذا النهج، وفحص طلبات جديدة لوقت الاستدلال مثل مؤشرات التبديلات الساخنة.
Recent advances in using retrieval components over external knowledge sources have shown impressive results for a variety of downstream tasks in natural language processing. Here, we explore the use of unstructured external knowledge sources of images and their corresponding captions for improving visual question answering (VQA). First, we train a novel alignment model for embedding images and captions in the same space, which achieves substantial improvement in performance on image-caption retrieval w.r.t. similar methods. Second, we show that retrieval-augmented multi-modal transformers using the trained alignment model improve results on VQA over strong baselines. We further conduct extensive experiments to establish the promise of this approach, and examine novel applications for inference time such as hot-swapping indices.
References used
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