KotlinでAndroidアプリつくってみた #jjug_ccc

•

0 likes•1,988 views

Mizuki Ugajin

JJUG CCC 2017 Spring の懇親会LT資料です

こんなものがあればいいのでは!
• 現在時刻以降のバスの時間を一覧で見たい！
• 次のバスまでのカウントダウンがあれば便利なので
は！
• 駅出発の時間と会社出発の時間を切り替える感じ
で！！

• おしゃれ
• 今から何分後にバスが来るのかを一
覧で表示できる
• 直近の２〜３本のバスの時刻だけ表
示できれば充分

開発者であり顧客であったのに
開発が終わって
実際に使ってみると
私が思っていたものと
本当に求めていたものが違った

エンジニアなのに
こんな調子なので
顧客が本当に必要なものを
考えて伝えるのは
かなり難しいのでは…！

• お客様から「こんな感じで！」ってお願いされ
たものを鵜呑みにしない
• ユースケースから、本当に必要なものをちゃん
と考える
• 使ってみないとわからないことがある
• UI大事！！
• なんかもっとかわいく出来ると思ってた
• 自分がこんなにダサいと思わなかった

Kotlinの話全然しなかった…けど！
（こんなアプリ作っちゃうことからわかるように)
いままでアプリとか作ったことないし
周りにサポートとかもしてもらわなかったけど
サーバサイドKotlinで
アプリをサラッと作れました！

Kotlin！
Android開発言語としての
公式サポート
おめでとうございます！！

https://www.hubspot.com/state-of-marketing · Scaling relationships and proving ROI · Social media is the place for search, sales, and service · Authentic influencer partnerships fuel brand growth · The strongest connections happen via call, click, chat, and camera. · Time saved with AI leads to more creative work · Seeking: A single source of truth · TLDR; Get on social, try AI, and align your systems. · More human marketing, powered by robots

Everything You Need To Know About ChatGPT

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Mental health has been in the news quite a bit lately. Dozens of U.S. states are currently suing Meta for contributing to the youth mental health crisis by inserting addictive features into their products, while the U.S. Surgeon General is touring the nation to bring awareness to the growing epidemic of loneliness and isolation. The country has endured periods of low national morale, such as in the 1970s when high inflation and the energy crisis worsened public sentiment following the Vietnam War. The current mood, however, feels different. Gallup recently reported that national mental health is at an all-time low, with few bright spots to lift spirits. To better understand how Americans are feeling and their attitudes towards mental health in general, ThinkNow conducted a nationally representative quantitative survey of 1,500 respondents and found some interesting differences among ethnic, age and gender groups. Technology For example, 52% agree that technology and social media have a negative impact on mental health, but when broken out by race, 61% of Whites felt technology had a negative effect, and only 48% of Hispanics thought it did. While technology has helped us keep in touch with friends and family in faraway places, it appears to have degraded our ability to connect in person. Staying connected online is a double-edged sword since the same news feed that brings us pictures of the grandkids and fluffy kittens also feeds us news about the wars in Israel and Ukraine, the dysfunction in Washington, the latest mass shooting and the climate crisis. Hispanics may have a built-in defense against the isolation technology breeds, owing to their large, multigenerational households, strong social support systems, and tendency to use social media to stay connected with relatives abroad. Age and Gender When asked how individuals rate their mental health, men rate it higher than women by 11 percentage points, and Baby Boomers rank it highest at 83%, saying it’s good or excellent vs. 57% of Gen Z saying the same. Gen Z spends the most amount of time on social media, so the notion that social media negatively affects mental health appears to be correlated. Unfortunately, Gen Z is also the generation that’s least comfortable discussing mental health concerns with healthcare professionals. Only 40% of them state they’re comfortable discussing their issues with a professional compared to 60% of Millennials and 65% of Boomers. Race Affects Attitudes As seen in previous research conducted by ThinkNow, Asian Americans lag other groups when it comes to awareness of mental health issues. Twenty-four percent of Asian Americans believe that having a mental health issue is a sign of weakness compared to the 16% average for all groups. Asians are also considerably less likely to be aware of mental health services in their communities (42% vs. 55%) and most likely to seek out information on social media (51% vs. 35%).

YouTube nnabla channelの次の動画で利用したスライドです。【AI論文解説】Consistency ModelとRectified Flow https://youtu.be/3IKCrAPe55k Consistency ModelとRectified Flowに関連する以下の論文を紹介しています。 Consistency models（解説編Part1で紹介） - “Consistency Models,” ICML 2023. - “Improved Techniques for Training Consistency Models,” ICLR 2024. - “Consistency Trajectory Models: Learning Probability Flow ODE Trajectory of Diffusion,” ICLR 2024. Rectified flow（解説編Part2で紹介） - “Flow Straight and Fast: Learning to Generate and Transfer Data with Rectified Flow,” ICLR 2023. - “InstaFlow: One Step is Enough for High-Quality Diffusion-Based Text-to-Image Generation,” ICLR 2024.

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セル生産方式におけるロボットの活用には様々な問題があるが，その一つとして 3 体以上の物体の組み立てが挙げられる．一般に，複数物体を同時に組み立てる際は，対象の部品をそれぞれロボットアームまたは治具でそれぞれ独立に保持することで組み立てを遂行すると考えられる．ただし，この方法ではロボットアームや治具を部品数と同じ数だけ必要とし，部品数が多いほどコスト面や設置スペースの関係で無駄が多くなる．この課題に対して音𣷓らは組み立て対象物に働く接触力等の解析により，治具等で固定されていない対象物が組み立て作業中に運動しにくい状態となる条件を求めた．すなわち，環境中の非把持対象物のロバスト性を考慮して，組み立て作業条件を検討している．本研究ではこの方策に基づいて，複数物体の組み立て作業を単腕マニピュレータで実行することを目的とする．このとき，対象物のロバスト性を考慮することで，仮組状態の複数物体を同時に扱う手法を提案する．作業対象としてパイプジョイントの組み立てを挙げ，簡易な道具を用いることで単腕マニピュレータで複数物体を同時に把持できることを示す．さらに，作業成功率の向上のために RGB-D カメラを用いた物体の位置検出に基づくロボット制御及び動作計画を実装する． This paper discusses assembly operations using a single manipulator and a parallel gripper to simultaneously grasp multiple objects and hold the group of temporarily assembled objects. Multiple robots and jigs generally operate assembly tasks by constraining the target objects mechanically or geometrically to prevent them from moving. It is necessary to analyze the physical interaction between the objects for such constraints to achieve the tasks with a single gripper. In this paper, we focus on assembling pipe joints as an example and discuss constraining the motion of the objects. Our demonstration shows that a simple tool can facilitate holding multiple objects with a single gripper.

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公開URL：https://arxiv.org/pdf/2404.19174 出典：Guilherme Potje, Felipe Cadar, Andre Araujo, Renato Martins, Erickson R. ascimento: XFeat: Accelerated Features for Lightweight Image Matching, Proceedings of the 2024 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) (2023) 概要：リソース効率に優れた特徴点マッチングのための軽量なアーキテクチャ「XFeat（Accelerated Features）」を提案します。手法は、局所的な特徴点の検出、抽出、マッチングのための畳み込みニューラルネットワークの基本的な設計を再検討します。特に、リソースが限られたデバイス向けに迅速かつ堅牢なアルゴリズムが必要とされるため、解像度を可能な限り高く保ちながら、ネットワークのチャネル数を制限します。さらに、スパース下でのマッチングを選択できる設計となっており、ナビゲーションやARなどのアプリケーションに適しています。XFeatは、高速かつ同等以上の精度を実現し、一般的なラップトップのCPU上でリアルタイムで動作します。

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