https://blogs.timerring.com/tags/computer-vision/Recent content in Computer Vision on timerringHugoenMon, 07 Mar 2022 16:42:54 +0800https://blogs.timerring.com/posts/image-classification-and-foundational-vision-models/Mon, 07 Mar 2022 16:42:54 +0800https://blogs.timerring.com/posts/image-classification-and-foundational-vision-models/<h2 id="process"> Process <a class="anchor" href="#process">#</a> </h2> <ol> <li> <p>Collect data</p> </li> <li> <p>Define the model</p> <p>Usually a function containing parameter variables: \(y=F_{\Theta}(X)\)</p> <p>Example: \(y=\sigma\left(\Theta^{T} X\right)\)</p> </li> <li> <p>Train Find the optimal parameters \(\Theta^{*}\) so that the model \(y=F_{\Theta^{*}}(X)\) achieves the highest accuracy on the training set</p> </li> <li> <p>Predict For a new image \(\hat{X}\) , use the trained model to predict its class, namely \(\hat{y}=F_{\Theta^{*}}(\hat{X})\)</p> </li> </ol>