5th semester files

5th-Semester-Fall-2023/Signals-and-Systems/Labs/Final-Project/testKnn.m

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+pkg load signal
+
+% Load training data variables
+dctDims = 25:15:100;
+ks = 1:2:7;
+accuracy = zeros(length(ks), length(dctDims));
+
+for dctDim = 25:15:100;
+    face_recog_knn_train([1 40], dctDim);
+    load("raw_data.mat");
+    for k = 1:2:7
+        hits = 0;
+        for subject = 1:40
+            ((dctDim-25)/15 + ((k-1)/2 + subject/40)/ length(ks)) / length(dctDims)
+            for im = 6:10
+                facePath = ["faces/att_faces/s" num2str(subject) '/' num2str(im) ".pgm"];
+                bestGuess = knnFace(facePath, k, trdata_raw, dctDim, trclass);
+                if bestGuess == subject
+                    hits = hits + 1;
+                end
+            end
+        end
+        accuracy((k+1)/2, (dctDim-25)/15 + 1) = hits/200;
+    end
+end
+
+surf(dctDims, ks, accuracy);