The Unheard Voices: Women of Color Warn of AI's Present Dangers
هشدار زنان سیاهپوست در برابر خطرات فعلی هوش مصنوعی

AI researcher Timnit Gebru’s exploration into artificial intelligence (AI) wasn’t planned. Originating from an electrical engineering background, Gebru’s interest in AI was sparked by her realization of the inherent biases in its development. “There were no Black people,” she recalls on her early encounters with the predominantly white male AI community, underlining a significant diversity issue in AI development.

During her time at Google, Gebru co-led the Ethical AI group, part of the Responsible AI initiative. Her research on large language models (LLMs) revealed how they could reinforce societal prejudices due to the skewed representations in their training data. These AI models, powered by data from platforms like Wikipedia, Twitter, and Reddit, were found to reflect stereotypes and biases, thus leading to potentially harmful implications.

However, Gebru’s warnings fell on deaf ears. She was eventually fired from Google after a disagreement over her research paper’s publication. This incident sparked a broader conversation about AI’s ethical concerns and the need for greater transparency and accountability.

As AI continues to permeate everyday life, its potential for harm becomes more evident. From automated hiring processes to predictive policing, biased AI can have real-world impacts, particularly for marginalized communities. Researchers like Gebru, Joy Buolamwini, Safiya Noble, and Rumman Chowdhury have been advocating for increased scrutiny and regulation of AI to prevent these adverse effects.

The recent rise of ‘AI Doomers’ – industry insiders warning of AI’s potential existential threats – further highlights the urgency of addressing AI’s ethical issues. However, these warnings often overlook the current harms caused by AI’s biases. As AI continues to evolve, it’s crucial to consider diverse perspectives and ensure that these technologies are developed and used responsibly.

In conclusion, the voices of women of color like Gebru, Buolamwini, Noble, and Chowdhury are critical in the AI discussion. Their insights shed light on the current and potential harms of AI, emphasizing the need for more diverse representation in AI development and stricter regulations to mitigate its risks. It’s high time we listened to them.

Timnit Gebru’s research highlighted the potential for bias in AI, particularly in large language models (LLMs) like GPT-2. Her research showed that these models, trained on data from sources like Wikipedia, Twitter, and Reddit, could reflect societal prejudices. For instance, a California study found that GPT-2 completed prompts with clear gender and racial biases. Despite Gebru’s warnings about these issues, her concerns were dismissed, and she was eventually fired from Google. Her dismissal sparked a much-needed conversation about the ethical considerations in AI.

Joy Buolamwini, another prominent AI researcher, came across AI’s potential for bias when working on a facial recognition project. She found that the technology often failed to recognize her dark-skinned face. Her research showed that these systems frequently misclassified darker-skinned females due to a lack of diversity in the training data. These biases can have real-world implications, as facial recognition technology is increasingly used in areas like hiring, loan evaluations, and even policing.

Safiya Noble’s book, “Algorithms of Oppression: How Search Engines Reinforce Racism,” delves into how biases against women of color are embedded in algorithms. She has been critical of tech companies’ approach to AI and ethics, pointing out how their actions often don’t match their rhetoric.

Rumman Chowdhury, who led Twitter’s Machine Learning Ethics, Transparency, and Accountability (META) team, has been a strong advocate for transparency in AI. She believes that codes can be analyzed by outsiders, dispelling the myth of AI as an unknowable entity. She also founded Humane Intelligence, a nonprofit that uses crowdsourcing to uncover issues in AI systems.

Seeta Peña Gangadharan, a London School of Economics professor, is concerned about how AI and its derivates could marginalize certain communities. She argues that an over-reliance on technical systems can have profound impacts, particularly for those trying to access essential services like housing, jobs, or loans.

These women’s work underscores the urgent need for more diverse representation in AI and stricter regulations to prevent potential harm. As AI continues to evolve and permeate our daily lives, these concerns become increasingly crucial. It’s time we pay more attention to these voices and take action to address the issues they’re raising.

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تست اطلاعات هوش مصنوعی: خودتان را با کوئیز هیجان‌انگیز ما تست کنید!

“با کوئیز هیجان‌انگیز ما، اطلاعات خود در حوزه هوش مصنوعی محک بزنید! با سوالاتی درباره یادگیری ماشین، شبکه‌های عصبی و جدیدترین پیشرفت‌های هوش مصنوعی، خود را به چالش بکشید. مهارت‌های خود را در این کوئیز هیجان‌انگیز به چالش بکشید و ببینید چقدر موفق می‌شوید. ذهن خود را شارپ کنید و درک خود را از دنیای جذاب هوش مصنوعی گسترش دهید. همین حالا کوئیز را شروع کنید و ببینید آیا شما یک متخصص هوش مصنوعی هستید!”

1 / 10

آیا هوش مصنوعی و یادگیری ماشین یکی هستند؟

2 / 10

چه نوع الگوریتمی برای یادگیری بدون نظارت استفاده می شود؟

3 / 10

آیا سیستم هوش مصنوعی می تواند خلاق باشد؟

4 / 10

مثالی از یادگیری تقویتی چیست؟

5 / 10

چه کسی نظریه یادگیری عمیق را ارائه داد؟

6 / 10

چه سیستمی برای تصمیم گیری در هوش مصنوعی استفاده می شود؟

7 / 10

چه کسی تست تورینگ را ارائه داد؟

8 / 10

چه نوع الگوریتمی برای پردازش زبان طبیعی استفاده می شود؟

9 / 10

آیا هوش مصنوعی در حال حاضر می تواند احساسات انسانی را تقلید کند؟

10 / 10

چه کسی عبارت “هوش مصنوعی” را ارائه نمود؟

Your score is

The average score is 40%

0%

می‌خواهم در آزمون دیگری شرکت کنم…

سلام بر دوستداران هوش مصنوعی! امروز با هم، جادوی پشت طبقه‌بندی تصاویر را با استفاده از شبکه‌های عصبی کانولوشنال (CNN) !کشف می کنیم.

CNN ها، به عنوان زیرمجموعه ای از یادگیری عمیق، به طور خاص برای پردازش داده های پیکسلی طراحی شده اند و در زمینه بینایی کامپیوتر بسیار مفید بوده اند. برای طبقه بندی تصاویر با استفاده از CNN مراحل زیر را طی خواهیم نمود:

🔎💡 درک شبکه های عصبی کانولوشن (CNN) در طبقه بندی تصاویر 🖼️🤖
Understanding Convolutional Neural Networks (CNNs) in Image Classification

1️⃣ ورودی تصویر:

تصویر به صورت ماتریسی از مقادیر پیکسل، هر پیکسل با 3 مقدار (قرمز، سبز، آبی)، از 0 (سیاه) تا 255 (سفید) نشان داده می شود.

2️⃣ لایه های کانولوشنال:

این لایه ها فیلترها/هسته ها را به ورودی اعمال می کنند، حاصل ضرب نقطه بین هسته و ورودی را محاسبه نموده و نقشه های ویژگی یا feature maps را ایجاد می کنند. این فرآیند ویژگی های مهمی از قبیل لبه ها، خطوط و بافت ها را شناسایی می کند.

3️⃣ ReLU (واحد خطی اصلاح شده):

این لایه تابع غیرخطی max(0,x) را برای همه ورودی ها اعمال می کند. ReLU به افزایش غیر خطی بودن مدل کمک می کند زیرا خود تصاویر بسیار غیرخطی هستند.

4️⃣ لایه های ادغام: Pooling Layers

ادغام ابعاد هر نقشه ویژگی را کاهش می دهد اما مهم ترین اطلاعات را حفظ می کند. حداکثر ادغام، یک روش رایج، حداکثر مقدار را از قسمتی از تصویر تحت پوشش فیلتر می گیرد.

5️⃣ لایه های کاملاً متصل: Fully Connected Layers

پس از چندین لایه کانولوشن و ادغام، استدلال سطح بالا در شبکه عصبی از طریق لایه های کاملاً متصل اتفاق می افتد. همانطور که در شبکه‌های عصبی سنتی دیده می‌شود، نورون‌ها در یک لایه کاملاً متصل به تمام فعال‌سازی‌های لایه قبلی متصل می‌شوند.

6️⃣ لایه خروجی:

لایه نهایی از تابع softmax برای خروجی احتمالی برای هر کلاس از مسئله استفاده می کند (به عنوان مثال، اگر 10 کلاس برای 10 نوع شی وجود داشته باشد، خروجی یک بردار 10 عنصری خواهد بود).

🏁 نتیجه طبقه بندی:

کلاسی که بیشترین احتمال را داشته باشد، پیش بینی نهایی CNN خواهد بود.

CNN ها با ساختار چندلایه خود می توانند ویژگی های سلسله مراتبی را بیاموزند و آنها را در کارهای طبقه بندی تصویر بسیار دقیق می کند. درک آنها می تواند مهارت های ML و AI شما را تا حد زیادی تقویت کند!

#MachineLearning #ArtificialIntelligence #DeepLearning #CNN #ImageClassification #DataScience

#آموزش_ماشینی #هوشمصنوعی #آموزش_عمیق #سی‌ان‌ان #تصویرطبقه‌بندی #علم_داده

با بازنشر این محتوا به ترویج علم هوش مصنوعی در بین جامعه ایرانی کمک بسزایی خواهید نمود. 😍

شبکه های اجتماعی ما:

برای دنبال کردن ما در شبکه های اجتماعی وارد لینک زیر شوید.


Hello, AI enthusiasts! Today, we’ll look at Image Classification with Convolutional Neural Networks (CNNs).
CNNs, a subset of deep learning, are specifically intended to analyse pixel input and have proven useful in computer vision. The image categorization journey with CNN is divided into various stages:

1️⃣ Image Input: The image is represented as a pixel value matrix, with each pixel having three values (Red, Green, Blue), ranging from 0 (black) to 255 (white).

2️⃣ Convolutional Layers: These layers apply filters/kernels to the input, calculating the dot product of the kernel and the input and constructing feature maps. This method identifies significant characteristics such as edges, lines, and textures.

3️⃣ ReLU (Rectified Linear Unit)): This layer applies the non-linear function max(0,x) to all inputs. ReLU helps to increase the non-linearity in the model as images themselves are highly non-linear.

4️⃣ Pooling Layers: Pooling reduces the dimensionality of each feature map but retains the most important information. Max pooling, a common method, takes the maximum value from the section of the image covered by the filter.

5️⃣ Fully Connected Layers: After several convolutional and pooling layers, the high-level reasoning in the neural network happens via fully connected layers. Neurons in a fully connected layer connect to all activations in the previous layer, as seen in traditional neural networks.

6️⃣ Output Layer: The final layer uses the softmax function to output a probability for each class of the problem (for instance, if there are 10 classes for 10 types of objects, the output will be a 10-element vector).

🏁 Classification Result: The class with the highest probability is the CNN’s final prediction.

CNNs, with their multilayered structure, are able to learn hierarchical features, making them impressively accurate in Image Classification tasks. Understanding them can greatly boost your ML and AI skills!