Computer Vision Foundations · free preview
When the Assumptions Break
The blocks world defines the domain of the system. Test what happens outside it, and take stock of what the reconstruction still lacks.
1. A system lives inside its domain
A system lives inside its domain
2. Ambiguous scenes and impossible figures
Ambiguous scenes and impossible figures
3. The reconstruction still lacks objects
The reconstruction still lacks objects
4. Close the loop between seeing and checking
Close the loop between seeing and checking
5. Out-of-domain inputs
The blocks-world pipeline receives an image in which one block sits on top of another, a configuration the assumptions never covered, and the reconstruction still comes out mostly right. What is the most accurate reading of this success?
6. Impossible figures under least squares
The system receives a drawing of an impossible stair figure, in which local patches look planar yet no 3D object can satisfy all the constraints at once. What does the least-squares solver return?
7. What recognition would add
The current system outputs coordinate maps and knows nothing about objects. Which capability becomes available the moment the system recognizes the blocks as blocks with adjustable pose and size?
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