#computer vision

8 computer vision interview questions, asked at Apple, Google, Airbnb and 2 more companies. Last asked Sep 2026.

How would you verify a smile detector in a photo app?ML designYou are on the Google Photos team and your feature detects smiling faces in photos. How would you check that the detection is correct? Cover what counts as a smile and who decides…
Last asked Sep 2026
Dataset size, generalization and U-Net skip connectionsML designAnswer ML fundamentals questions: how training set size affects generalization and overfitting, how you would tell whether more data would help, and why U-Net uses skip…
Last asked Mar 2026
Debug a shape mismatch in a PyTorch U-NetCodingA U-Net written in PyTorch fails with a tensor shape mismatch. Find the cause (typically where skip connections are concatenated with upsampled features whose size no longer…
Last asked Mar 2026
Analyze the failures of a vision modelML designA vision model works well on average but fails on some inputs. Explain how you would find and group the failures (slicing by condition, looking at examples, confusion analysis)…
Last asked Mar 2026
Design an image copyright-violation detection systemML designDesign a system that detects when users upload images that infringe someone's copyright on a large social platform. Discuss where the reference set of protected images comes from…
Last asked Feb 2026
Design photo and listing quality modelsML designDesign models that score the quality of listing photos and of listings overall, so better listings can be surfaced and hosts can be told what to improve. Cover defining quality…
Last asked Jan 2026
Design the ML system for self-driving perceptionML designDesign the perception system of a self-driving car: which sensors feed it, which models detect and track objects, how training data is collected and labelled, how you evaluate…
Last asked Dec 2025
Design a logo infringement detection systemML designDesign a machine-learning system that finds listings or images that misuse a brand's logo. Cover how brands register their logos, how you detect and match logos in new images at…
Last asked Nov 2025