File size: 2,970 Bytes
0161e74 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 | #!/bin/bash
# FOCUS Keyframe Extraction Example Script
# This script demonstrates how to use FOCUS for keyframe extraction
echo "FOCUS: Frame-Optimistic Confidence Upper-bound Selection"
echo "========================================================"
# Set default parameters
DATASET_NAME="longvideobench"
DATASET_PATH="./datasets/longvideobench"
OUTPUT_DIR="focus_example"
NUM_KEYFRAMES=64
BATCH_SIZE=32
BLIP_MODEL="large"
# FOCUS-specific parameters
COARSE_EVERY_SEC=16.0
FINE_EVERY_SEC=1.0
ZOOM_RATIO=0.25
INTERPOLATION_METHOD="nearest"
FINAL_MIN_ARMS=4
FINAL_MAX_ARMS=32
TOP_RATIO=0.2
TEMPERATURE=0.06
echo "Configuration:"
echo " Dataset: $DATASET_NAME"
echo " Dataset Path: $DATASET_PATH"
echo " Output Directory: $OUTPUT_DIR"
echo " Number of Keyframes: $NUM_KEYFRAMES"
echo " Batch Size: $BATCH_SIZE"
echo " BLIP Model: $BLIP_MODEL"
echo ""
echo "FOCUS Parameters:"
echo " Coarse Sampling Interval: ${COARSE_EVERY_SEC}s"
echo " Fine Sampling Interval: ${FINE_EVERY_SEC}s"
echo " Zoom Ratio: $ZOOM_RATIO"
echo " Interpolation Method: $INTERPOLATION_METHOD"
echo " Final Arm Bounds: [$FINAL_MIN_ARMS, $FINAL_MAX_ARMS]"
echo " Top Ratio: $TOP_RATIO"
echo " Temperature: $TEMPERATURE"
echo ""
# Check if dataset exists
if [ ! -d "$DATASET_PATH" ]; then
echo "Error: Dataset path '$DATASET_PATH' does not exist!"
echo "Please download the dataset first following the AKS instructions."
exit 1
fi
# Check if select_keyframe.py exists
if [ ! -f "select_keyframe.py" ]; then
echo "Error: select_keyframe.py not found in current directory!"
echo "Please make sure you're running this script from the opensource directory."
exit 1
fi
echo "Starting FOCUS keyframe extraction..."
echo ""
# Run FOCUS
python select_keyframe.py \
--dataset_name "$DATASET_NAME" \
--dataset_path "$DATASET_PATH" \
--output_dir "$OUTPUT_DIR" \
--num_keyframes "$NUM_KEYFRAMES" \
--batch_size "$BATCH_SIZE" \
--blip_model "$BLIP_MODEL" \
--coarse_every_sec "$COARSE_EVERY_SEC" \
--fine_every_sec "$FINE_EVERY_SEC" \
--zoom_ratio "$ZOOM_RATIO" \
--interpolation_method "$INTERPOLATION_METHOD" \
--final_min_arms "$FINAL_MIN_ARMS" \
--final_max_arms "$FINAL_MAX_ARMS" \
--top_ratio "$TOP_RATIO" \
--temperature "$TEMPERATURE" \
--seed 42
# Check if extraction was successful
if [ $? -eq 0 ]; then
echo ""
echo "FOCUS keyframe extraction completed successfully!"
echo ""
echo "Output files:"
echo " - ./selected_frames/$DATASET_NAME/$OUTPUT_DIR/selected_frames.json"
echo " - ./selected_frames/$DATASET_NAME/$OUTPUT_DIR/sampling_details.json"
echo " - ./selected_frames/$DATASET_NAME/$OUTPUT_DIR/extraction_stats.json"
echo ""
echo "You can now use these results for evaluation with lmms-eval."
else
echo ""
echo "FOCUS keyframe extraction failed!"
echo "Please check the error messages above and ensure all dependencies are installed."
fi
|