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Capture & match

Locate & recognise

Recognition

Teacher review

Score & route

Results

AI-Assisted Exam Grading

Bring fixed-template paper assessments into a traceable workflow for recognition, scoring, teacher review and results.

Try the interactive demoIndustry report (Chinese)

Designed for

Maths teaching teams, arithmetic programmes and assessment providers

Keep teachers focused on answers that need judgement.

Plan a traceable workflow for fixed-template paper assessments: recognise answers, apply scoring rules, review exceptions and publish results. Start with multiple-choice and arithmetic questions, then validate selected word problems.

A connected workflow

Keep teacher approval between paper capture and grade release.

  1. 01

    Capture & match

  2. 02

    Locate & recognise

  3. 03

    Score & route

  4. 04

    Teacher review

  5. 05

    Publish & report

Proposed assessment workflow. Sample-paper validation determines automation scope; authorised teachers approve published results.

Explore the solution

01Choose the scoring method by question type02Keep the original answer behind every score03Route uncertainty to a clear review queue04Separate recognition, scoring and publication05Validate real papers before scaling the build06Measure accuracy alongside automation coverage07Keep grading separate from learning recommendations

01 / Solution design

Choose the scoring method by question type

Reading an answer is only one part of grading it. Format and scoring rules determine what can be automated.

Multiple choice

Read defined answer regions and apply agreed single- or multiple-selection rules. Ambiguous marks and alignment errors require review.

Arithmetic answers

Recognise numbers, signs, decimals and fractions, then compare using question-specific equivalence rules. Preserve meaningful units and precision.

Selected word problems

Propose scores against rubric items such as setup, calculation and conclusion. Teachers confirm these questions in the first release.

Outside the initial scope

Open essays, complex proofs, diagram reasoning and unrestricted page layouts require separate assessment. Abacus imagery and physical actions are not covered.

02 / Solution design

Keep the original answer behind every score

Academic leads set standards, teachers review exceptions and administrators track progress.

Exams and templates

Manage question regions, marks, answer keys and student identifiers. Lock template versions and resolve ambiguous student matches.

Capture and recognition

Import PDFs or images in batches, checking orientation, duplicates, missing pages and template alignment. Retain source images and answer coordinates.

Review workspace

Show the source image, recognised text, expected answer, proposed score and amendment history together. Record recognition corrections separately from score changes.

Results and publication

Aggregate confirmed marks and export results. Distinguish absence, missing work, incomplete grading and zero marks. Regrading creates a new version.

03 / Solution design

Route uncertainty to a clear review queue

Combine image quality, rule checks and answer ambiguity rather than relying on a model’s confidence claim.

Ambiguous recognition

Route poor scans, conflicting candidates and template errors to review. Conflicting scores require teacher judgement rather than automatic averaging.

Missing identity or pages

Keep the submission incomplete and block publication until resolved. A failed model call must never become a zero mark.

Answer-key changes

Show affected submissions and retain rule versions. Require confirmation before regrading and republishing.

Controlled automation

Calibrate release conditions on labelled samples. Audit rule-based items during the pilot; retain teacher confirmation for word problems.

04 / Solution design

Separate recognition, scoring and publication

Asynchronous processing and versioned records make failures recoverable and changes accountable.

Linked records

Connect exam, student, submission, question and processing versions to images, recognised answers, rules and teacher edits.

Processing and providers

Use separate recognition and scoring adapters. Select services using sample results, latency, cost and deployment constraints; deduplicate retries.

Access and retention

Scope access by institution, class and task. Protect images, log exports and agree retention across originals, crops, caches and backups.

Data boundaries

Confirm whether third-party processing is permitted and where it occurs. Treat paper content as answer data, never as instructions to change grading rules or access other records.

05 / Solution design

Validate real papers before scaling the build

Use handwriting and marking rules from the intended workflow to decide the first release.

01 Establish the baseline

Collect anonymised papers, answer keys and teacher marks, including erasures, poor scans and missing pages. Report supported types and failure modes.

02 Build the core loop

Deliver capture, recognition, review, totals and export for fixed-template objective questions. Provide manual recovery for failures.

03 Pilot selected word problems

Add rubric-based suggestions and controlled publication. Measure review effort before expanding coverage.

04 Launch and hand over

Configure classes, access, monitoring, backups and usage limits. Agree source deliverables, deployment guidance, configuration and training.

06 / Solution design

Measure accuracy alongside automation coverage

Use a held-out test set, stratified by question type and image quality. Resolve disputed reference scores before testing.

Recognition accuracy

Report correct answers divided by evaluable answers, with normalisation rules and unreadable items disclosed.

Scoring agreement and coverage

Measure agreement with teacher marks and the share processed without review. Report both so manual routing cannot conceal limited automation.

Review effort and recovery

Measure review time per hundred papers and failure reasons. Exercise missing pages, retries, outages and regrading.

Results, access and cost

Verify totals and class isolation. Measure peak completion time, failures, usage and cost. Student mismatches, unauthorised access and duplicate scores block release.

07 / Solution design

Keep grading separate from learning recommendations

Agree quality thresholds, cost and schedule after sample validation and scope definition.

No worked explanations in the first release

Retain answers, marks and review evidence. Personalised tutoring, worked solutions and question recommendations are separate workstreams.

Volume-based cost model

Separate build costs from recognition calls, scoring usage, retries, storage and compute. Include teacher review effort in the operating model.

Validate each extension

New templates, open layouts, additional question types, local models and school-system integrations need their own assessment.

常见问题

Before you commission a system

Define the inputs, responsibilities and first release.

Start with a representative workflow.

Bring anonymised examples, operating rules and integration requirements.

Contact Wavesteam

Does this replace teachers?

It supports them. Clear rule-based items may be automated after validation; ambiguous writing and disputed scores require review. Authorised staff approve final results.

Is a particular AI provider required?

No. Provider selection depends on sample results, cost, hosting and data conditions. Simulated recognition in a demo is not evidence of production model accuracy.

What is needed for an initial assessment?

Bring anonymised papers, blank templates, answer keys, rubrics, teacher-marked examples, roster formats, peak volumes and data-handling requirements.

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Wavesteam Technology

Bring fixed-template paper assessments into a traceable workflow for recognition, scoring, teacher review and results.

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