“We should not forget that in many Western countries, many places have been installing CCTV,” he said. “I have heard from a Singaporean police officer that many residents there hope the government sets up CCTVs where they live.”
Authorities would install 615 cameras in the city’s public areas by next month and 2,000 in total by the end of the year.
The government’s plan to install the cameras in densely populated areas and high-crime areas was revealed by Deputy Chief Secretary Warner Cheuk Wing-hing last month.
Siu earlier said the force was still going through the operational procedures and would consult the city’s privacy watchdog about data protection, but added it would not rule out the possibility of using facial recognition in the surveillance system in the future.
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The Office of the Privacy Commissioner for Personal Data told the Post it would not comment on individual cases.
“All organisations, as data users, should abide by the Personal Data (Privacy) Ordinance and the data protection principles when collecting, retaining, processing or using personal data,” the watchdog said.
It added relevant organisations had to ensure data collecting was carried out lawfully and fairly, while relevant organisations must take all possible practical steps to notify the parties affected.
The watchdog’s CCTV surveillance guideline stresses that data users should only use facial recognition technology for significant reasons.
“Any facial recognition system used in conjunction with CCTV must be supported by strong justification as the use of CCTV to enable automatic identification and tracking of individuals captured on CCTV footage is not normally expected by the public,” the document said.
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It also states that relevant organisations should give due consideration to using “less privacy-intrusive” arrangements or alternatives that achieve the same aim.
The UK and Singapore are among places that rely heavily on CCTV surveillance. The figures cited by Siu suggest Britain, with a population of about 67 million, has about one CCTV camera for every nine people.
According to the British guidelines on police use of facial recognition technology, live videos of crowds passing a camera will be compared with a designated list of offenders wanted by authorities. They would immediately and automatically delete biometric data of anyone who does not match with a person on the watch list.
British authorities had also set out the circumstances in which the technology could be used and the groups of people that could be searched for. The force must also comply with data protection and human rights laws.
Police in Singapore, meanwhile, are planning to increase the number of CCTV cameras installed from more than 90,000 to 200,000 by 2030, while vowing that strict data protection safeguards were in place.
It stressed CCTV footage would be securely stored and deleted after 31 days from the recording date unless an investigation was required.
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Lawmaker Johnny Ng Kit-chong, deputy chairman of the legislature’s panel on commerce, industry, innovation and technology, said Hong Kong police could consider offering more details of the surveillance system to ease public concern, such as the default period of keeping footage and whether cameras could identify faces.
The lawmaker also said the force could take reference from practices in other jurisdictions, adding the actual proposal would depend on how the force hoped to use the data.
He expressed confidence that local police would strike a balance between safeguarding privacy and using technology to crack cases.
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