Rotating Cooking Chamber Imaging for Stable Time-Lapse Food Views
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Solution Overview
Problem
Existing cooking appliances with rotating inner chambers struggle to provide clear visual cues on the cooking progress of food due to the food's movement, making it difficult for users to assess the cooking degree accurately in time-lapse videos.
Innovation Solution
A cooking appliance equipped with a rotatable inner chamber, a camera, memory, and processor that captures images at preset intervals, aligns them with rotation angles, rotates and crops them to match a reference image, and generates a time-lapse video to maintain food position consistency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the inner chamber rotates during cooking, then cooking uniformity is improved, but food position consistency in time-lapse video deteriorates
Solution Approach 1:
The system creates a reference image at the start of cooking and uses image processing to transform subsequent captured images to match this reference. This copying approach preserves the visual consistency of food position in time-lapse videos while allowing the inner chamber to rotate for uniform cooking.
Solution Approach 2:
The system changes the orientation parameter of captured images by rotating them in the opposite direction of the inner chamber's rotation. This parameter transformation compensates for the chamber's rotation, maintaining food position consistency in the video output.
2Productivity
If images are captured at preset time intervals during rotation, then time-lapse video capability is improved, but image alignment accuracy deteriorates
Solution Approach 1:
The system obtains rotation angle information as feedback and uses it to rotate captured images in the opposite direction. This feedback mechanism ensures that images captured at different time intervals during rotation are properly aligned with the reference image, maintaining alignment accuracy while enabling time-lapse functionality.
Solution Approach 2:
The system captures a reference image at the beginning of cooking before the inner chamber rotates. This preliminary action establishes a baseline for aligning all subsequent images, ensuring consistent food position representation throughout the time-lapse video.
Data Source
AI summary
An electronic apparatus including a cooking chamber in which an inner chamber is rotatable, a camera, a memory, and at least one processor. The at least one processor is configured to, based on cooking being started, obtain a reference image of an inside of the cooking chamber, obtain a plurality of images of the inside of the cooking chamber at a preset time interval while the inner chamber rotates in a first direction, store the plurality of images in association with a rotation angle of the inner chamber at a time the plurality of images are captured, respectively, obtain a plurality of rotated images by rotating the plurality of images in a second direction, opposite to the first direction, by a rotation angle stored, obtain a plurality of cropped images based on the reference image, and provide a time-lapse video using the reference image and the plurality of cropped images.