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Don’t Miss the Bus: AlphaTransit and the Value of Learned Lookahead

TL;DR for operators Bus route planning is a familiar kind of organisational pain: every local decision looks defensible until it interacts with the rest of the network. Add one promising segment, and you may improve coverage. Or you may create redundant overlap, force ugly transfers, consume fleet capacity, and make the whole system worse. Charming. ...

June 19, 2026 · 16 min · Zelina
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The Missing Ingredient Wasn’t Vision: NutriMLLM and the Data Recipe for Micronutrient AI

TL;DR for operators Food-image nutrition AI is usually sold as a vision problem: recognise the meal, estimate the portion, output the nutrients, preferably with a pleasant progress spinner. NutriMLLM suggests that this is only half right. The harder missing piece is not necessarily seeing the food. It is knowing the full nutrient profile once the food is identified. ...

June 19, 2026 · 19 min · Zelina
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Range Anxiety: Why Standoff LWIR Needs More Than One Clean Look

TL;DR for operators A standoff LWIR sensor is not looking through a clean window. It is negotiating with air. The paper Set-Based Transformer for Atmospheric Compensation in Standoff LWIR Hyperspectral Imaging proposes a lightweight Set-Transformer model for estimating three atmospheric compensation products from passive long-wave infrared hyperspectral measurements: range-specific transmittance, range-specific atmospheric path radiance, and a shared downwelling radiance spectrum.1 The operating idea is simple enough to be useful: instead of trusting one radiance measurement and asking a neural network to perform spectral divination, collect measurements from multiple standoff ranges and let their differences constrain the atmospheric inverse problem. ...

June 17, 2026 · 17 min · Zelina

GitHub Resources from arXiv Digests

A monitored reference page for GitHub repositories surfaced from arXiv-paper digests, rendered from a machine-generated local data file.

June 16, 2026 · 1 min
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Hands-On Intelligence: Why Immersive AI Needs Both Eyes and Fingers

Immersive AI has a convenient myth: put a stronger multimodal model inside a headset, let it see what the user sees, and the future of work politely appears. Very cinematic. Slightly incomplete. The real problem is less glamorous and more operational. Extended-reality work is not just a visual scene. It is a long-running loop of perception, memory, reasoning, instruction, correction, confirmation, and physical effort. The model must understand what is happening over time. The human must still steer the system without becoming a tired thumb attached to a battery pack. ...

June 9, 2026 · 15 min · Zelina
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Less Label, More Light: What a 3D Microscopy Foundation Model Actually Buys

Microscopy has a labor problem. Not the photogenic kind where a scientist leans into a glowing instrument and discovers the secret architecture of life before lunch. The duller problem is that modern light sheet fluorescence microscopy can produce rich three-dimensional volumes faster than expert teams can label them. Segmentation requires voxel-level masks. Stain classification requires domain knowledge. Restoration needs paired degraded and high-quality images, which nature, unhelpfully, does not always provide in tidy folders. ...

June 5, 2026 · 16 min · Zelina
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Compile Once, Train Later: Offline RL Moves Code-Model Verification Upstream

Compile Once, Train Later: Offline RL Moves Code-Model Verification Upstream Code assistants have a small accounting problem. Not the glamorous kind involving model capability, agentic workflows, or yet another dashboard with a glowing neural blob. The ordinary kind: every time a model proposes code during reinforcement learning, someone—or something—has to run it, test it, score it, and feed that score back into training. ...

June 3, 2026 · 14 min · Zelina
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Think Meter, Not Think Bigger: The New Control Layer for AI Reasoning

Most companies do not actually want an AI system that “thinks longer.” They want one that knows when extra thinking is worth the bill. That distinction is becoming more important. Reasoning models are moving from demo-stage math puzzles into document review, financial research, compliance analysis, customer support escalation, and agentic workflows. In these settings, reasoning has three costs: latency, compute, and misplaced confidence. A model that spends 30 seconds producing an elegant wrong answer has not reasoned. It has performed expensive theatre. Very fluent theatre, admittedly. ...

June 2, 2026 · 14 min · Zelina
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Rank and File: BoostLoRA’s Case for Smarter Fine-Tuning

Opening — Why this matters now Enterprise AI is entering its less glamorous phase: not the demo, not the keynote, not the charming chatbot that answers three curated questions correctly, but the operational grind of making models behave reliably inside messy workflows. That grind usually runs into a familiar triangle. Full fine-tuning is powerful but expensive, operationally heavy, and often risky when the training set is narrow. Parameter-efficient fine-tuning, especially LoRA-style adaptation, is cheaper and easier to deploy, but the smallest adapters can hit a ceiling. Meanwhile, the business user does not care whether the adapter was elegant. They care whether the model stops making the same costly mistakes in invoicing, compliance review, customer support, code generation, or scientific triage. ...

May 4, 2026 · 13 min · Zelina

Cost, Latency, and ROI of AI Systems

A practical framework for understanding the economic trade-offs of AI systems, including model cost, response speed, review effort, and business payoff.

April 23, 2026 · 6 min · Michelle