Question 599 of 1,020

What Is Depth Estimation in Azure Computer Vision?

This AI-900 practice question tests your understanding of describe features of computer vision workloads on azure. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.

What is 'depth estimation' in computer vision and what are its applications?

Quick Answer

The correct answer is that depth estimation in computer vision infers the distance of objects from the camera to produce a spatial depth map. This technique works by analyzing visual input—often using stereo vision with two cameras or monocular depth estimation with deep learning models—to assign a distance value to each pixel, effectively creating a 3D understanding of a 2D scene. On the Microsoft Azure AI Fundamentals AI-900 exam, this concept tests your knowledge of Azure Computer Vision’s spatial analysis capabilities, which power applications like augmented reality, autonomous navigation, and 3D scene reconstruction. A common trap is confusing depth estimation with object detection; remember that detection identifies *what* is in an image, while depth estimation measures *how far away* it is. For a quick memory tip, think of depth estimation as giving your camera a “ruler for every pixel.”

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

Inferring the distance of objects from the camera to produce a spatial depth map

Depth estimation is a computer vision technique that infers the distance of objects from the camera, producing a spatial depth map where each pixel represents a distance value. This is commonly achieved using stereo vision (two cameras) or monocular depth estimation (single camera with deep learning models). It is a core feature of Azure Computer Vision's spatial analysis capabilities, enabling applications like augmented reality, autonomous navigation, and 3D scene reconstruction.

Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • Measuring the depth of colour in an image (number of bits per pixel)

    Why it's wrong here

    Bit depth is image colour encoding — depth estimation measures spatial distance of objects from the camera.

  • Inferring the distance of objects from the camera to produce a spatial depth map

    Why this is correct

    Depth estimation produces per-pixel distance measurements — enabling obstacle avoidance, 3D reconstruction, and AR scene understanding.

    Related concept

    Read the scenario before looking for a memorised answer.

  • Analysing how deeply a subject is embedded in a complex background scene

    Why it's wrong here

    Background complexity is an image composition concept — depth estimation measures real-world distance to objects.

  • Determining how much detail is captured in a photograph based on lens quality

    Why it's wrong here

    Lens quality affects sharpness — depth estimation is a computer vision task for measuring object distances from imagery.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates confuse 'depth estimation' with image quality metrics (color depth or lens resolution) or with scene understanding terms like 'depth of field' or 'background embedding', rather than recognizing it as a spatial distance inference task.

Trap categories for this question

  • Real-world vs exam trap

    Background complexity is an image composition concept — depth estimation measures real-world distance to objects.

Detailed technical explanation

How to think about this question

Depth estimation often uses stereo matching algorithms (e.g., Semi-Global Matching) that compute disparity between left and right camera images, then convert disparity to depth using the baseline distance and focal length. In monocular approaches, convolutional neural networks (CNNs) are trained on large datasets to predict depth from a single image, leveraging cues like perspective, texture gradients, and object sizes. A real-world scenario is in autonomous vehicles, where depth maps from stereo cameras are fused with LiDAR data to improve obstacle detection in low-light conditions.

KKey Concepts to Remember

  • Read the scenario before looking for a memorised answer.
  • Find the constraint that changes the correct option.
  • Eliminate answers that are true in general but not in this case.

TExam Day Tips

  • Watch for words such as best, first, most likely and least administrative effort.
  • Review why wrong options are wrong, not only why the correct option is correct.

Key takeaway

Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Real-world example

How this comes up in practice

A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.

What to study next

Got this wrong? Here's your next step.

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

Related practice questions

Related AI-900 practice-question pages

Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.

Practice this exam

Start a free AI-900 practice session

Short sessions build daily habit. Longer sessions build exam-day stamina. Try a timed session to simulate real conditions.

FAQ

Questions learners often ask

What does this AI-900 question test?

Describe features of computer vision workloads on Azure — This question tests Describe features of computer vision workloads on Azure — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Inferring the distance of objects from the camera to produce a spatial depth map — Depth estimation is a computer vision technique that infers the distance of objects from the camera, producing a spatial depth map where each pixel represents a distance value. This is commonly achieved using stereo vision (two cameras) or monocular depth estimation (single camera with deep learning models). It is a core feature of Azure Computer Vision's spatial analysis capabilities, enabling applications like augmented reality, autonomous navigation, and 3D scene reconstruction.

What should I do if I get this AI-900 question wrong?

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

About these practice questions

Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →

How Courseiva writes practice questions · Editorial policy

Keep practising

More AI-900 practice questions

Last reviewed: Jun 11, 2026

Question Discussion

Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.

Loading comments…

Sign in to join the discussion.

This AI-900 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the AI-900 exam.