Sketch-to-Scene Generative Drawing with Depth-Aware Outpainting

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Solution Overview

Problem

Existing text-to-image models lack the capability to generate diverse and detailed generative drawings that meet design specifications, leading to inefficiencies and frustration in design cycles, particularly for complex products like vehicles, as they require manual manipulation and additional iterations.

Innovation Solution

An illustration system that uses a learning model to generate drawings from sketches and text, predicts realistic prompts and scaling amounts, and estimates depth maps to render drawings within realistic scenes, incorporating iterative sketching and feedback loops to enhance design efficiency.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If a text-to-image model is used to generate designs rapidly, then productivity is improved, but manufacturing precision deteriorates due to lack of design specification compliance

Engineering Contradiction:
Improvedesign speedVSAvoiddesign specification compliance
Core Design Contradiction:
ProductivityVSManufacturing precision

Solution Approach 1:

The system implements feedback loops where design specifications are continuously evaluated against generated images, and the generation parameters are adjusted based on compliance assessment results to maintain both speed and precision

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

An intermediary evaluation module is introduced between the text-to-image model and final output, which assesses design specification compliance and guides iterative refinements without significantly increasing overall processing time

Inventive Principle:
Principle #24Intermediary (Mediator)

2Manufacturing precision

If manual manipulation is performed to meet design specifications, then manufacturing precision is improved, but productivity deteriorates due to increased design time

Engineering Contradiction:
Improvedesign specification complianceVSAvoiddesign speed
Core Design Contradiction:
Manufacturing precisionVSProductivity

Solution Approach 1:

The system enables self-service automation where the design generation system automatically adjusts and refines outputs to meet specifications without requiring manual designer intervention, maintaining precision while preserving productivity

Inventive Principle:
Principle #25Self-service

3Device complexity

If the text-to-image model searches within a discrete scope, then device complexity is reduced, but adaptability deteriorates due to limited design diversity

Engineering Contradiction:
Improvemodel search scopeVSAvoiddesign diversity
Core Design Contradiction:
Device complexityVSAdaptability or versatility

Solution Approach 1:

The system expands the search space by introducing additional dimensions such as multiple style domains and parameter spaces, allowing the model to explore diverse design possibilities while maintaining manageable complexity through structured exploration

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

4Device complexity

If generative drawings are created without depth estimation, then device complexity is reduced, but manufacturing precision deteriorates due to lack of realistic scene rendering

Engineering Contradiction:
Improvemodel architectureVSAvoidscene realism
Core Design Contradiction:
Device complexityVSManufacturing precision

Solution Approach 1:

The system segments the image generation process into distinct modules, with depth estimation as a separate optional component that can be added to enhance realism without fundamentally complicating the core generation architecture

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS20250265745A1Systems and methods for creating a realistic scene including a generative drawing using learning models
Publication Date: 2025.08.21 TOYOTA RESEARCH INSTITUTE INC
  • US20250265745A1 patent drawing
  • US20250265745A1 patent drawing
  • US20250265745A1 patent drawing

AI summary

Systems, methods, and other embodiments described herein relate to creating a realistic scene including a generative drawing using a learning model and image manipulation. In one embodiment, a method includes generating a drawing from a drawn line and text by a machine learning (ML) model. The model also includes predicting a realistic prompt and a scaling amount about the drawing using a language model and estimating a depth map of the drawing using a depth model according to the scaling amount. The model also includes rendering the drawing within a realistic scene by an outpainting model using the realistic prompt and the depth map.