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PolyU develops novel multi-modal agent to facilitate long video understanding by AI, accelerating development of generative AI-assisted video analysis
Videos, especially those longer than 15 minutes, carry information that unfolds over time, such as the sequence of events, causality, coherence and scene transitions. To understand the video content, AI models therefore need not only to identify the objects present, but also take into account how they change throughout the video. As visuals in videos occupy a large number of tokens, video understanding requires vast amounts of computing capacity and memory, making it difficult for AI models to process long videos.
Prof. Changwen CHEN, Interim Dean of the PolyU Faculty of Computer and Mathematical Sciences and Chair Professor of Visual Computing, and his team have achieved a breakthrough in research on long video reasoning by AI. In designing VideoMind, they made reference to a human-like process of video understanding, and introduced a role-based workflow. The four roles included in the framework are: the Planner, to coordinate all other roles for each query; the Grounder, to localise and retrieve relevant moments; the Verifier, to validate the information accuracy of the retrieved moments and select the most reliable one; and the Answerer, to generate the query-aware answer. This progressive approach to video understanding helps address the challenge of temporal-grounded reasoning that most AI models face.
Another core innovation of the VideoMind framework lies in its adoption of a Chain-of-LoRA strategy. LoRA is a finetuning technique emerged in recent years. It adapts AI models for specific uses without performing full-parameter retraining. The innovative chain-of-LoRA strategy pioneered by the team involves applying four lightweight LoRA adapters in a unified model, each of which is designed for calling a specific role. With this strategy, the model can dynamically activate role-specific LoRA adapters during inference via self-calling to seamlessly switch among these roles, eliminating the need and cost of deploying multiple models while enhancing the efficiency and flexibility of the single model.
VideoMind is open source on GitHub and Huggingface. Details of the experiments conducted to evaluate its effectiveness in temporal-grounded video understanding across 14 diverse benchmarks are also available. Comparing VideoMind with some state-of-the-art AI models, including GPT-4o and Gemini 1.5 Pro, the researchers found that the grounding accuracy of VideoMind outperformed all competitors in challenging tasks involving videos with an average duration of 27 minutes. Notably, the team included two versions of VideoMind in the experiments: one with a smaller, 2 billion (2B) parameter model, and another with a bigger, 7 billion (7B) parameter model. The results showed that, even at the 2B size, VideoMind still yielded performance comparable with many of the other 7B size models.
Prof. Chen said, “Humans switch among different thinking modes when understanding videos: breaking down tasks, identifying relevant moments, revisiting these to confirm details and synthesising their observations into coherent answers. The process is very efficient with the human brain using only about 25 watts of power, which is about a million times lower than that of a supercomputer with equivalent computing power. Inspired by this, we designed the role-based workflow that allows AI to understand videos like human, while leveraging the chain-of-LoRA strategy to minimise the need for computing power and memory in this process.”
AI is at the core of global technological development. The advancement of AI models is however constrained by insufficient computing power and excessive power consumption. Built upon a unified, open-source model Qwen2-VL and augmented with additional optimisation tools, the VideoMind framework has lowered the technological cost and the threshold for deployment, offering a feasible solution to the bottleneck of reducing power consumption in AI models.
Prof. Chen added, “VideoMind not only overcomes the performance limitations of AI models in video processing, but also serves as a modular, scalable and interpretable multimodal reasoning framework. We envision that it will expand the application of generative AI to various areas, such as intelligent surveillance, sports and entertainment video analysis, video search engines and more.”
Hashtag: #PolyU #AI #LLMs #VideoAnalysis #IntelligentSurveillance #VideoSearch
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The Reality of the Raya Rush
The lead-up to Raya is a whirlwind of grocery runs, deep cleaning, and late nights in the kitchen. By the time the first open house begins, most women have already put in an incredible amount of effort for their families. The quiet moments in between are not just a break. They are earned.
XIXILI’s pajamas are made for those moments. Easy to move in, soft enough to wear through the night, and the kind of pieces that make coming home feel like something to look forward to. Designed to fit a wide range of body types, every woman can find something that feels as good as it looks.
“Raya is everything. The food, the family, the laughter. And at the end of it all, she deserves to rest just as well as she celebrated,” says Tara Tan, Marketing Director at XIXILI.
Comfort That Carries Through the Season
Raya may bring the occasion, but the shift happening in Malaysian wardrobes goes further than that. Women are increasingly treating sleepwear as a considered part of their self-care, not just something to change into before bed.
“We often talk about the joy of gathering, but we rarely talk about the exhaustion that comes with it,” Tara Tan adds. “Our goal for Raya 2026 is to ensure that when the last guest leaves, every woman has a high-quality piece of loungewear to retreat into. It is about honouring the work she does by giving her the rest she deserves.”
Quality loungewear for the wind-down, the slow morning, and every quiet moment in between has become one of the most considered purchases a woman makes this season.
Made to Be Worn, Not Just Owned
Good sleepwear should not sit tucked away at the back of a drawer. It should be the first thing she reaches for at the end of a long day, worn in and looked forward to. XIXILI’s range is built for exactly that, styles that settle naturally into her routine and carry her well beyond the festive season.
The full sleepwear collection is available online and at XIXILI boutiques nationwide. To shop the range, visit www.xixili-intimates.com.Hashtag: #XIXILI
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About XIXILI
A homegrown Malaysian brand, XIXILI offers beautiful fashion lingerie and shapewear in Malaysia that prioritises fit and comfort. With an extensive range of bra sizes from A to I and bands 65 to 110cm, XIXILI caters to women of all shapes and sizes. Expert fitters are dedicated to helping each customer find the perfect bra, boosting confidence and enhancing silhouettes.
XIXILI became the first Malaysian lingerie brand to introduce a Try-On in 3D avatar tool, allowing customers to virtually try on XIXILI lingerie using a 3D avatar tailored to their specific body type and measurements. Whether for everyday wear or something special, XIXILI ensures women always look and feel amazing.
Specifically, in addition to the existing incentives currently available, customers who switch from old gasoline vehicles to new VinFast electric vehicles during the program period will receive an additional 3% discount for cars and 5% discount for scooters. The program will be applied across all four markets: Vietnam, India, Indonesia, and the Philippines.
In line with VinFast’s pioneering spirit, GSM Green and Smart Mobility Joint Stock Company has also announced an immediate 10% reduction in fares for electric mobility services on the Xanh SM platform in Vietnam and Green SM in Indonesia from March 11 to March 31, 2026. This initiative offers customers a more environmentally-friendly and cost-effective transportation option.
The program may be extended depending on international developments and future fuel price movements.
Ms. Duong Thi Thu Trang, Deputy CEO of Global Sales, VinFast, stated: “The special ‘Trade Gas for Electric’ program launched in March across four key markets is VinFast’s timely response to geopolitical volatility that is affecting socio-economic conditions in many countries around the world. As one of the pioneering manufacturers leading the global electric vehicle revolution, VinFast together with companies in Vingroup’s green ecosystem aims to help reduce the impact of fuel prices on people’s daily lives while also lowering environmental pollution through smarter, more sustainable, and more cost-efficient mobility solutions.”
The special “Trade Gas for Electric” program will be implemented in parallel with and combined with other available incentive programs in each market. Through layered incentives, Vingroup and companies within its ecosystem aim to create favorable conditions for customers to transition quickly to electric vehicles, reduce dependence on gasoline, stabilize daily life, and contribute to building a cleaner and more civilized living environment.
Hashtag: #Vingroup
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Media OutReach
Singapore University of Social Sciences Expands Regional Footprint in China with Launch of Success Academy in Chongqing
New Academy and Shenyang satellite office strengthen SUSS’ visibility and partnerships across Western and Northeast China.
CHONGQING, CHINA – Media OutReach Newswire – 10 March 2026 – The Singapore University of Social Sciences (SUSS) today launched the SUSS Success Academy in Chongqing in collaboration with Raffles Young Academy (RYA) Pte Ltd and announced the establishment of a satellite office in Shenyang. Building on its Success Academies in Beijing and Shenzhen, the Academy strengthens SUSS’ presence in China and supports its growing engagement across Western and Northeast China.
The launch was commemorated with an opening ceremony at the CCI Gallery, attended by close to 70 guests from China and Singapore, including representatives from institutions of higher learning, and industry and community partners. The ceremony was presided by Vice-Consul (Political) Ms. Mavis Tan, Consulate-General of the Republic of Singapore, Chengdu and Mr. Li Xunfu, Deputy Director of Chongqing Municipal Commission of Commerce.
Success Academy to connect partners from Singapore and China
Anchored in SUSS’ commitment to lifelong learning and creating social impact, the Academy will serve as a key nexus for academic and industry partners from both countries. Through cross-cultural collaboration and practice-oriented learning, it also aims to develop future-ready talent equipped to contribute meaningfully to society and the economy.
RYA is an education and talent development organisation aimed at nurturing future-ready talent through industry-oriented learning and international exposure. RYA will bring its networks and local expertise to support and enhance the Academy’s initiatives.
Through the Academy, SUSS will provide opportunities for students from SUSS and other Singapore pre-tertiary and tertiary institutions to co-learn and co-innovate with peers in China. These include interdisciplinary global learning courses, impact startup and venture builder programmes, industry-based immersions and student exchanges. SUSS students will also gain regional exposure through internships and other workplace learning opportunities. In addition, the Academy will support SUSS in working with universities and organisations in China to jointly design and deliver industry-relevant courses and programmes for students and executives.
Extending engagement into Northeast China with Shenyang satellite office
To further deepen its engagement in Northeast China, SUSS will launch a satellite office in Shenyang on 11 March 2026 under the Success Academy in Chongqing. This office will support SUSS’ initiatives in Liaoning Province and surrounding areas, including Dalian. In addition, three Memoranda of Understanding (MOU) will be signed with the following organisations:
- Shenyang University of Chemical Technology (SYUCT): Collaborative development of a Master’s degree programme in Social Work, fostering cross-border knowledge exchange, curriculum innovation, and talent development to address evolving social service needs.
- North-East Institute of Population and Social Development: Joint research endeavours, professional development programmes, and meaningful academia-industry partnerships to generate evidence-based solutions, build capabilities, and promote active ageing ecosystems that benefit individuals and communities.
Professor Tan Tai Yong, President of SUSS, said, “China is an important partner for SUSS as we expand opportunities for our students and strengthen collaboration across Asia. The launch of the Success Academy in Chongqing allows us to work more closely with universities, industry and community partners in Western and Northeast China, and to deliver applied, practice-oriented education that responds to real-world needs. Our partnership with Raffles Young Academy reflects our shared commitment to developing future-ready talent and supporting professional growth across the region.”
Mr. Samuel Ng, Executive Chairman, RYA, said, “Our collaboration with the Singapore University of Social Sciences reflects a shared belief in applied, practice-oriented education and in preparing students and enterprises to navigate an increasingly complex and interconnected world. Chongqing’s strategic position as a gateway to Western China and a hub for industry and connectivity makes it an ideal location for immersive, industry-linked education. This partnership represents a long-term commitment to building enduring bridges between students and industry, between academia and practice, and between Singapore and China.”
The launch of the Success Academy in Chongqing is part of SUSS’ broader expansion across Asia. Since 2023, SUSS has established Success Academies in Beijing, Shenzhen, Ho Chi Minh City Bangkok, Kuala Lumpur, Jakarta, Manila and Mumbai.
For more information, visit www.suss.edu.sg/success-academy.
Hashtag: #SUSS
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