Canberra's War on Duplicate Images: How the Capital Stacks Up Against Cities Tackling Visual Data Bloat

Australian Capital Territory government agencies and federal departments based in Canberra are sitting on digital asset libraries bloated with duplicate and near-duplicate images, a problem that IT administrators across the public service say has grown measurably worse since the pandemic-era shift to remote work normalised bulk file sharing across platforms. The ACT Digital Strategy, last updated in late 2024, identified digital asset deduplication as a priority efficiency measure — but progress has been uneven.

The issue matters right now because storage costs are real and rising. Cloud infrastructure pricing for large Australian public-sector organisations has increased in line with global demand, and duplicated image libraries compound those costs directly. More practically, when a public servant in a Gungahlin office and a colleague in Barton pull different versions of the same ministerial photograph into separate briefing documents, version-control failures follow. The problem is mundane, but the downstream consequences — inconsistent communications, wasted procurement spend, compliance headaches — are not.

What Canberra Is Actually Doing

The Australian National University's digital collections team, based on Acton Peninsula, has been running a deduplication workflow since early 2025 using perceptual hashing tools to flag near-identical image files across its research repository. The University of Canberra, whose main campus sits off Kirinari Street in Bruce, adopted a similar approach for its communications and marketing library during the same period. Both institutions have moved away from simple MD5 checksums — which catch only exact binary duplicates — toward tools that can identify visually identical images even when file size or compression differs.

The ACT Government's Shared Services ICT division, which supports agencies operating out of locations including the Canberra Nara Centre on London Circuit, has been trialling commercial digital asset management platforms with built-in deduplication modules. The trial, which began in the second quarter of 2026, covers roughly a dozen agencies. Administrators involved in the project say the volume of redundant image assets discovered in the first audit phase was substantially larger than expected, though specific figures have not been made public.

How Canberra Compares Globally

Wellington's Department of Internal Affairs in New Zealand completed a whole-of-government digital asset consolidation project in 2023, reducing its central image repository by an estimated 34 percent after deduplication, according to figures published in that department's annual report. Edinburgh City Council, dealing with heritage photograph archives digitised under the Scottish Government's Digitise! program, deployed AI-assisted duplicate detection tools from 2022 onward and has been cited in European digital governance literature as a benchmark case.

Singapore's Government Technology Agency — GovTech — went further, mandating a centralised media asset management system across ministries in 2023, which baked deduplication in at the point of upload rather than as a retrospective cleanup exercise. That architectural choice is the key difference. Wellington and Edinburgh both relied heavily on after-the-fact audits. Singapore designed the problem out structurally.

Canberra's federal structure complicates direct comparison. Dozens of Commonwealth agencies operate largely independently, each with its own ICT procurement history and digital asset practices. The Australian Public Service Commission has no current whole-of-government mandate covering image library standards, which means the default is fragmentation. ACT Government agencies are in a stronger position to coordinate, given the Shared Services model, but they represent a fraction of the city's overall public-sector digital footprint.

For public servants and researchers in Canberra dealing with this day-to-day, the practical advice from digital records specialists is consistent: audit before you migrate. Any agency planning a cloud storage move or platform upgrade in the second half of 2026 should run a deduplication pass first, since migrating bloated libraries locks in the problem at higher cost. Tools including open-source options built on the dHash and pHash algorithms are available without licensing fees and are adequate for libraries under roughly 500,000 files. Above that scale, the investment in a commercial DAM platform with native deduplication generally pays for itself within two budget cycles. The Singapore model suggests the smarter long-term fix is policy, not software — but in Canberra, that conversation is still to come.