How AI Uses Question-Guided Attention to Answer Questions About Images
A method for AI to answer questions about images by dynamically focusing on relevant parts of the picture based on the specific question asked.
Patent Number
US 9965705
Status
Active
Filing Date
June 16, 2016
Grant Date
May 8, 2018
Expiration
June 16, 2036
Claims
23
Assignee
Baidu USA LLC
Inventors
Kan Chen, Wei Xu, Jiang Wang
Citations
28 forward · 2 backward
What it covers
This patent describes a way to make AI better at answering questions about photos or videos. It uses a system called ABC-CNN that takes both an image and a text question as input. The system extracts features from the image and turns the question into a mathematical representation. It then uses the question to create special 'kernels'—small filters that act like a spotlight—to highlight only the parts of the image relevant to the question. Finally, it combines this focused information with the original image data to generate an accurate answer, effectively ignoring irrelevant background noise.
What it doesn't cover
- —Does not cover general-purpose image classification that does not involve a natural language question input.
- —Does not cover attention mechanisms that are not specifically implemented via configurable convolutional kernels.
- —Does not cover non-neural network methods for image analysis or traditional rule-based computer vision.
- —Does not cover the specific hardware used to run the neural network, only the algorithmic method.
The clever bit
The innovation is using the question itself to dynamically generate the convolutional kernels, effectively letting the text input 'program' the AI's visual focus mechanism on the fly.
Why it matters
This technology is a building block for multimodal AI, which allows computers to 'see' and 'understand' the world in a human-like way. By enabling AI to selectively focus on specific regions of an image, it significantly improves the accuracy of tasks like automated image captioning and visual search. It represents a shift from static image processing to dynamic, context-aware analysis.
Real-world examples
- 1.Visual Question Answering (VQA) systems
- 2.Smart camera search features
- 3.Automated accessibility tools for the visually impaired
- 4.Advanced content moderation systems
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US 9965705 · 2026