Digital Image Dimensioning via Pixel Grid Scaling
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Solution Overview
Problem
Measuring tapes are cumbersome and yield inconsistent results, especially when measuring tall objects, requiring additional tools like ladders and lacking precision for dimensions.
Innovation Solution
A system using digital images of objects, processed by a computer with a camera, storage, and input/output devices, which creates a pixel grid for users to mark endpoints, allowing for accurate approximation of dimensions through distortion adjustment and architectural database references.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a measuring tape is used to measure object dimensions, then the measurement process is simple, but the measurement precision deteriorates and consistency is poor
Solution Approach 1:
The patent creates a digital copy of the physical measuring tape by printing it on an image sensor. This digital copy can be captured, processed, and stored as image data, allowing for repeated measurements without the physical limitations of traditional tapes. The digital representation enables consistent measurement results through image processing algorithms that can accurately determine dimensions from multiple images.
Solution Approach 2:
The patent replaces the mechanical measuring tape system with a digital imaging system. Instead of using a physical tape measure that relies on manual reading and has measurement errors, the system uses cameras to capture images of the tape and objects, then processes these images computationally to determine dimensions. This substitution eliminates mechanical measurement errors and improves consistency.
2Ease of operation
If a measuring tape is used to measure tall objects, then the measurement process is straightforward, but additional tools like ladders are required and measurement precision deteriorates
Solution Approach 1:
The patent transitions from one-dimensional linear measurement with a tape to two-dimensional image capture. By capturing images from different angles and using image processing algorithms, the system can calculate three-dimensional dimensions including height without requiring physical access to tall objects. The dimensional transformation allows measurement of tall objects through their visual projection in images.
Solution Approach 2:
The patent introduces an intermediary - the digital image - that mediates between the observer and the object being measured. Instead of directly measuring tall objects with a tape (requiring ladders and physical access), the system captures an intermediate digital representation and processes this image to derive the dimensions, eliminating the need for physical access to tall objects.
3Productivity
If a measuring tape is used for renovation measurements, then the measurement process is quick, but inconsistent results lead to material waste
Solution Approach 1:
The patent implements feedback through digital image processing that can be repeatedly analyzed. The system captures images, processes them to determine dimensions, and can re-process the same images to verify consistency. This feedback mechanism allows for quality control and ensures measurement accuracy, preventing material waste from incorrect measurements while maintaining quick measurement throughput.
Data Source
AI summary
A method in a computer system for estimating an area of an object comprises the step of placing a scaling object adjacent a first side of the object. A first digital image of the object first side and the scaling device is taken. The scaling device is then placed adjacent the second side of the object, and a second digital image of the object second side and the scaling device is taken. The first image is converted into a first pixel grid and the second image is converted into a second pixel grid. An input device is used to mark respectively on the first and second pixels grids the endpoints of the scaling device along with endpoints of the first and second sides. Numerical values for a height and a width of the scaling device are entered using the input device.


