2021-05-25
2021-04-13
Transformer architecture Reference Transformer: A Novel Neural Network Architecture for Language Understanding - An introduction of Transformer from Google AI Blog Tutorials The Illustrated Transformer - Detailed explanation with tons of illustrations 👍🔥
2021-04-11
Human Attention The visual attention mechanism is a signal processing mechanism in the brain that is unique to human vision. By quickly scanning the global image, human vision obtains a target area to focus on, which is generally referred to as the focus of attention, and then devotes more attentional resources to this area to obtain more detailed information about the target to be focused on and suppress other useless information.
2021-04-11
2021-04-11
Sliding-window detectors A brute force approach for object detection is to slide windows from left and right, and from up to down to identify objects using classification. To detect different object types at various viewing distances, we use windows of varied sizes and aspect ratios.
2021-02-20
What is a Feature Descriptor A feature descriptor is a representation of an image or an image patch that simplifies the image by extracting useful information and throwing away extraneous information.
2021-02-20
Motivation Why people detection? Person Re-Identification Person Tracking Security (e.g. Border Control) Automotive (e.g. Collision Prevention) Interaction (e.g. Xbox Kinect) Medical (e.g. Patient Monitoring) Commercial (e.g. Customer Counting) Why is people detection difficult?
2021-02-18
What is facial expression analysis? What is Facial Expression? Facial expressions are the facial changes in response to a person‘s internal emotional states, interntions, or social communications. Role of facial expressions Almost the most powerful, natural, and immediate way (for human beings) to communicate emotions and intentions Face can express emotion sooner than people verbalize or realize feelings Faces and facial expressions are an important aspect in interpersonal communication and man-machine interfaces Facial Expressions Facial expression(s): nonverbal communication
2021-02-18
Introduction What are facial features? Facial features are referred to as salient parts of a face region which carry meaningful information. E.g. eye, eyeblow, nose, mouth A.k.a facial landmarks What is facial feature detection?
2021-02-18