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Toowoomba Takes a Methodical Approach to Duplicate Image Replacement — But How Does It Stack Up Against Cities Worldwide?

As councils globally scramble to manage outdated and duplicated visual assets across digital infrastructure, Toowoomba's approach offers a revealing case study in doing more with less.

By Toowoomba News Desk · Published 5 July 2026, 5:00 am Updated

4 min read

Toowoomba Takes a Methodical Approach to Duplicate Image Replacement — But How Does It Stack Up Against Cities Worldwide?
Photo: Photo by Samantha Gilmore on Pexels

Toowoomba Regional Council has been quietly overhauling the way it manages duplicate and outdated imagery across its public-facing digital platforms, a project that touches everything from the council's development application portal to tourism assets promoting the Carnival of Flowers precinct on Ruthven Street. The work, part of a broader digital asset management review that began in late 2024, reflects a growing global challenge for mid-sized cities trying to keep their digital infrastructure as orderly as their physical one.

The timing matters. Across the developed world, local governments that digitised rapidly during the 2020–2022 period are now sitting on bloated image libraries — many containing multiple versions of the same photograph, outdated aerial shots, and duplicated promotional material that clogs storage systems and slows public-facing platforms. A 2025 survey by the Local Government Digital Network, which includes councils across Australia, the UK, and Canada, found that the average regional council was carrying an estimated 34 percent duplicate rate in its managed image repositories. That dead weight costs money in cloud storage and staff hours, and it undermines the credibility of council communications when residents encounter years-old photographs of demolished buildings or superseded flood maps.

What Toowoomba Is Actually Doing

The council's digital services team has been working with the Toowoomba-based records and information management unit to apply automated deduplication tools across the council's content management system. The project is understood to cover visual assets linked to planning documents lodged through the MyDAS2 portal, as well as imagery held by the Toowoomba Regional Council Library Service, which operates branches including the main Toowoomba City Library on McDougall Street. Staff have been cross-referencing asset metadata going back to 2017, when a significant portion of the council's image library was first migrated to cloud storage ahead of the region's infrastructure expansion tied to the Inland Rail project corridor through Cranbourne Street's logistics precinct.

The process is not glamorous. It involves flagging near-duplicate images using perceptual hashing — a technique that compares visual fingerprints rather than file names — and then routing confirmed duplicates through a manual review queue before deletion. The council has not publicly disclosed the total volume of assets under review, but the scope is significant given that the region's tourism and economic development teams alone maintain promotional image libraries covering the Lockyer Valley gateway, the Darling Downs agricultural belt, and the Western Downs renewable energy zone near Chinchilla.

How That Compares Globally

Toowoomba's cautious, review-before-delete methodology puts it closer to the approach taken by Bendigo in Victoria and Whanganui in New Zealand — both cities of comparable population and digital maturity — than to the more aggressive automated-purge systems adopted by some European councils. Ghent in Belgium, for example, deployed a fully automated deduplication pipeline across its municipal image archive in 2023, deleting assets without manual review unless flagged by an algorithm. The approach cut storage costs by roughly 22 percent in the first year, according to Ghent's published digital transformation report, but also resulted in the permanent loss of several historically significant photographs that existed only as near-duplicates of a higher-resolution master file.

Toowoomba's slower, hands-on model carries its own cost. Staff hours spent on manual review are not free, and for a council managing a budget constrained by competing demands — drought relief services, the Warrego Highway corridor upgrade, rural roads maintenance across the Darling Downs — every additional administrative burden requires justification. The risk of the Ghent-style error, however, is a powerful argument for caution, particularly in a region where heritage imagery of the Garden City's Victorian streetscapes and the Downs' agricultural history is genuinely irreplaceable.

For residents and local businesses that submit imagery through council planning or grants portals, the practical upshot is straightforward: councils running deduplication projects typically advise submitters to use consistent file naming conventions and avoid resubmitting assets already lodged. Toowoomba's digital services team has indicated the review phase is expected to be substantially complete before the end of the 2026 calendar year, at which point updated submission guidelines for the MyDAS2 portal are expected to be published. Keeping an eye on the council's website at toowoombaregion.qld.gov.au from October onward is the most direct way to stay ahead of any changes to image submission requirements.

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This article was produced by the The Daily Toowoomba editorial desk and covers news in Toowoomba. See our editorial standards for how we use AI.

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