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The definitive guide to reading facial microexpressions - from angry flared nostrils to wrinkles of fear

Daily Mail - Science & tech

The ugly gossip about Marjorie Taylor Greene swirling in DC... no wonder she's giving this'nothing to see here' performance of a lifetime: KENNEDY Tupac's family hid his final secret for decades. Southern city morphs into New York's'tiny twin' as Big Apple residents flock there in droves to escape woke mayor The truth about Aaron Rodgers's secret'wife': Family lift the lid on the NFL's biggest mystery... and finally put to bed those swirling rumors Singer Grande shows off her 40 hand'prison' tattoos at Wicked: For Good premiere in Paris Insiders blow lid on top secret actor'blacklist' at Paramount that's tearing Hollywood apart and start naming names White House space sabotage plot EXPOSED: The truth behind the NASA war that tore Trump's inner circle in two Wild image shows how Simone Biles would look next to Olivier Rioux... after he made his college basketball debut Donald Trump wants Washington Commanders to name $3.7billion stadium after him Air India grounds three Boeing planes for'extensive investigations' after crash that killed 260 She was an award-winning Teacher of the Year. Succession star Sarah Snook's new thriller is the best show of the year - its brings every parent's worst nightmare to life in spectacular fashion and I binged all eight episodes in one sitting Fears as Days of Our Lives is beset by string of tragedies... leaving producers desperately scrambling to save iconic show Soap icon turned ordained minister who flirted with Andy Warhol steps out in LA... can you guess who? Jeremy Renner's film partner claims he sent her explicit photos and videos to woo her then threatened the unthinkable when they fell out Whether you're in a work meeting or on a first date, it can sometimes be impossible to tell what someone is thinking. But help is at hand, as experts have revealed the tiny facial microexpressions that can give away a person's true thoughts.


RTFF: Random-to-Target Fabric Flattening Policy using Dual-Arm Manipulator

Tang, Kai, Bhattacharya, Dipankar, Xu, Hang, Tokuda, Fuyuki, Tien, Norman C., Kosuge, Kazuhiro

arXiv.org Artificial Intelligence

Robotic fabric manipulation in garment production for sewing, cutting, and ironing requires reliable flattening and alignment, yet remains challenging due to fabric deformability, effectively infinite degrees of freedom, and frequent occlusions from wrinkles, folds, and the manipulator's End-Effector (EE) and arm. To address these issues, this paper proposes the first Random-to-Target Fabric Flattening (RTFF) policy, which aligns a random wrinkled fabric state to an arbitrary wrinkle-free target state. The proposed policy adopts a hybrid Imitation Learning-Visual Servoing (IL-VS) framework, where IL learns with explicit fabric models for coarse alignment of the wrinkled fabric toward a wrinkle-free state near the target, and VS ensures fine alignment to the target. Central to this framework is a template-based mesh that offers precise target state representation, wrinkle-aware geometry prediction, and consistent vertex correspondence across RTFF manipulation steps, enabling robust manipulation and seamless IL-VS switching. Leveraging the power of mesh, a novel IL solution for RTFF-Mesh Action Chunking Transformer (MACT)-is then proposed by conditioning the mesh information into a Transformer-based policy. The RTFF policy is validated on a real dual-arm tele-operation system, showing zero-shot alignment to different targets, high accuracy, and strong generalization across fabrics and scales. Project website: https://kaitang98.github.io/RTFF_Policy/


Improving Object Detection Performance through YOLOv8: A Comprehensive Training and Evaluation Study

Poureskandar, Rana, Razzagzadeh, Shiva

arXiv.org Artificial Intelligence

Loss reduction reflects improved learning at a granular level, while mAP improvement provides a clear picture of practical performance in object detection tasks. Together, these metrics confirm the success of the training strategy and the model's ability to generalize effectively for real - world applications.


Real-time Two-tape Control System in Vine robots

Liu, Hanmo, Smith, Kayleen, Yang, Zimu, Yim, Mark

arXiv.org Artificial Intelligence

This paper focuses on how to make a growing Vine robot steer in different directions with a novel approach to real-time steering control by autonomously applying adhesive tape to induce a surface wrinkles. This enabling real-time directional control with arbitrary many turns while maintaining the robot's soft structure. This system feeds growing material external to the tube. The design achieves fixed-angle turns in 2D space. Through experimental validation, we demonstrate repeated 21-degree turns using a Dubins path planner with minimal error, establishing a foundation for more versatile Vine robot applications. This approach combines real-time control, multi-degree-of-freedom steering, and structural flexibility, addressing key challenges in soft robotics.

  Country: Asia > Japan (0.04)
  Genre: Research Report (1.00)

Do LED masks work? What the science says.

Popular Science

With an eerie, robot-like appearance and an otherworldly glow when worn, those LED masks all over your FYP give off a science-fiction vibe. Fittingly, it was researchers with NASA who discovered the potential for medical light therapy to treat wounds, arthritis, glaucoma and other ailments in the 1990s. By the early 2000s, that LED light therapy was growing in popularity at dermatology offices where patients donned an LED mask or used similar devices to slow aging and treat acne. And now that technology has trickled down to our homes. Brands like Omnilux and Dr. Gross have popularized direct-to-consumer LED masks that are safe to use regularly in the privacy of your own home, available at a range of price points (from under 100 to nearly 500).


GaussianSpeech: Audio-Driven Gaussian Avatars

Aneja, Shivangi, Sevastopolsky, Artem, Kirschstein, Tobias, Thies, Justus, Dai, Angela, Nießner, Matthias

arXiv.org Artificial Intelligence

We introduce GaussianSpeech, a novel approach that synthesizes high-fidelity animation sequences of photo-realistic, personalized 3D human head avatars from spoken audio. To capture the expressive, detailed nature of human heads, including skin furrowing and finer-scale facial movements, we propose to couple speech signal with 3D Gaussian splatting to create realistic, temporally coherent motion sequences. We propose a compact and efficient 3DGS-based avatar representation that generates expression-dependent color and leverages wrinkle- and perceptually-based losses to synthesize facial details, including wrinkles that occur with different expressions. To enable sequence modeling of 3D Gaussian splats with audio, we devise an audio-conditioned transformer model capable of extracting lip and expression features directly from audio input. Due to the absence of high-quality datasets of talking humans in correspondence with audio, we captured a new large-scale multi-view dataset of audio-visual sequences of talking humans with native English accents and diverse facial geometry. GaussianSpeech consistently achieves state-of-the-art performance with visually natural motion at real time rendering rates, while encompassing diverse facial expressions and styles.


Weakly Supervised Pretraining and Multi-Annotator Supervised Finetuning for Facial Wrinkle Detection

Moon, Ik Jun, Moon, Junho, Jang, Ikbeom

arXiv.org Artificial Intelligence

Analyzing extensive collections of images can be exceedingly resource-intensive if each facial wrinkle must be individually assessed. Moreover, the subjectivity inherent in manual segmentation processes can diminish the reliability of research findings and pose a substantial issue. To address this issue, we effectively combine wrinkle data labeled by multiple annotators to minimize inter-rater variability and utilize these image-label pairs for training our model.


Dark circles, extra wrinkles and sagging skin: Terrifying images reveal what can happen to your face if you don't get 7 hours of sleep a night

Daily Mail - Science & tech

We're all regularly reminded that we should be getting at least seven hours of sleep every night. But whether it's laying awake with stress or being kept up by the children, in reality, many Britons get significantly less than this. Now, experts have warned that your face could be paying the price. Sleep tech firm Simba has used AI to reveal what can happen to your face if you don't get enough sleep. From dark circles to extra wrinkles, the images may serve as a reminder of the importance of getting a decent kip.


Elon Musk Just Added a Wrinkle to the AI Race

The Atlantic - Technology

Yesterday afternoon, Elon Musk fired the latest shot in his feud with OpenAI: His new AI venture, xAI, now allows anyone to download and use the computer code for its flagship software. No fees, no restrictions, just Grok, a large language model that Musk has positioned against OpenAI's GPT-4, the model powering the most advanced version of ChatGPT. Sharing Grok's code is a thinly veiled provocation. Musk was one of OpenAI's original backers. He left in 2018 and recently sued for breach of contract, arguing that the start-up and its CEO, Sam Altman, have betrayed the organization's founding principles in pursuit of profit, transforming a utopian vision of technology that "benefits all of humanity" into yet another opaque corporation.


Guerrero: This California millionaire is peddling eternal life. Why do so many people believe him?

Los Angeles Times

For a moment, I fell under the spell of Bryan Johnson. Bathed in early-morning sunlight, the 46-year-old L.A.-based tech centimillionaire and longevity celebrity didn't look much younger than his age, although he claims to have the wrinkles of a 10-year-old and organs that are several years younger than his lifespan. We were standing at the Temescal Canyon trailhead in Pacific Palisades on Jan. 13, ahead of a Johnson-sponsored "Don't Die" hike, one of many organized across the world that day and the only one hosted by him. Of the 500-plus people who had RSVP'd for the L.A. event, about 200 showed up. Some had slept in their cars to make it.