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Computer Vision

30 problems

  • CLIP InfoNCE LossMedium
  • The classifier head — FC + softmaxMedium
  • Feature volume — a conv layer's output shapeEasy
  • Convolution — feature-map sizeEasy
  • Convolution — one patch stepEasy
  • Why CNNs — conv vs dense parameter countMedium
  • Convolution — slide a 1D filter (weight sharing)Medium
  • Feature map — bias and ReLUEasy
  • Flatten an image into a feature vectorEasy
  • Global average poolingEasy
  • Edges — the horizontal gradientEasy
  • Images as tensors — the shapeEasy
  • Edge models — magnitude pruningEasy
  • Image preprocessing — scale and standardizeMedium
  • How many raw pixel values?Easy
  • Hierarchy — the receptive field grows with depthEasy
  • RGB to grayscale (luminosity)Easy
  • Sobel edge magnitudeMedium
  • Which filter fires? (template detection)Easy
  • Regression vs classification outputEasy
  • Edge models — measure sparsityEasy
  • CLIP — zero-shot classificationMedium
  • Dice lossEasy
  • Group / Time-Series CV SplitEasy
  • Instance normalizationMedium
  • IoU of bounding boxesEasy
  • Jaccard similarityEasy
  • mAP for Object DetectionHard
  • Non-Max Suppression (NMS)Medium
  • ViT Patch EmbeddingMedium