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Multi-Class Incremental Learning (MCIL) aims to learn new concepts by incrementally updating a model trained on previous concepts. However, there is an inherent trade-off to effectively learning new concepts without catastrophic forgetting of previous ones. To alleviate this issue, it has been proposed to keep around a few examples of the previous concepts but the effectiveness of this approach heavily depends on the representativeness of these examples. This paper proposes a novel and automatic framework we call mnemonics, where we parameterize exemplars and make them optimizable in an end-to-end manner. We train the framework through bilevel optimizations, i.e., model-level and exemplar-level. We conduct extensive experiments on three MCIL benchmarks, CIFAR-100, ImageNet-Subset and ImageNet, and show that using mnemonics exemplars can surpass the state-of-the-art by a large margin. Interestingly and quite intriguingly, the mnemonics exemplars tend to be on the boundaries between different classes.

International Kungfu superstar and renowned Hollywood film actor Jackie Chan has joined FAO in the fight against hunger. In a recent visit to Ethiopia, Chan met with beneficiaries of the ‘Purchase from Africans for Africa’ (PAA) project as well as a South-South Cooperation Programme where he discussed with Chinese experts how they exchange technical knowledge with Ethiopian farmers to help them [...]

Seventy-five years after a memorable mission, the B26 bomber 'Flak-Bait' undergoes preservation at the National Air and Space Museum

The COVID-19 crisis has wreaked havoc on Quebec's economy, with the province recording its highest unemployment rate since at least 1976, when the data was first tracked.

The current deconfinement plan in the Montreal area could lead to a rapid increase in deaths in the city, according to findings by Quebec's public health institute. 

Florida point guard Andrew Nembhard, who ranked second in the Southeastern Conference in assists last season, has declared for the NBA draft for the second consecutive year.

Kiuna College hopes to play an active role in the emergence of the next generation of Indigenous filmmakers and creators.

Politicians, pundits and other thoughtful westerners chat about the priorities, preoccupations and politics of Albertans and others who are West of Centre in this podcast series hosted by CBC Calgary's executive producer of news, Kathleen Petty.

The post Using the 3DEXPERIENCE Lab’s UR-10 Robot for Cinematography appeared first on SOLIDWORKS Education Blog.

Bank of Italy Working Papers by Eleonora Porreca and Alfonso Rosolia

The OM team in Bar, Montenegro, received an enthusiastic response when they showed the JESUS film in the Roma language for the first time.

The number of Americans filing for unemployment benefits topped 3 million for a seventh straight week, signaling little relief in sight for the economy since the coronavirus began closing restaurants, factories and offices from coast to coast in mid-March.

During a medical outreach in Guatemala, the OM team members and volunteers witnessed a special moment of forgiveness.

A previously healthy 9-year-old immigrant girl from Mexico was evaluated in the emergency department (ED) with one week of fatigue, fevers, rhinorrhea, and cough. She initially presented to her primary pediatrician, where a complete blood count revealed neutropenia, prompting referral to the ED. In the ED, she was found to be influenza A–positive. Because of dehydration, she received intravenous fluids and was admitted to the pediatric hospital medicine service. After 2 days, influenza symptoms improved, and oral intake increased. However, she was noted to have decreased bilateral lower-extremity strength, absent Achilles reflexes, decreased lower-extremity sensation and proprioception, a positive result on the Romberg sign, and abnormal heel-to-shin testing results. These findings prompted an urgent neurology consultation. After extensive imaging, laboratory evaluation, and further consultations, a diagnosis was established.

"I'M hungry."

Canada shed three million jobs in the last two months due to the coronavirus lockdown, causing the unemployment rate to shoot up to 13% in April, the government reported Friday.

Predischarge serum or transcutaneous bilirubinometry (TcB) measurements are recommended as appropriate screening options for identifying infants at risk for neonatal hyperbilirubinemia (NH). Visual inspection for jaundice is not reliable at identifying infants with NH in the community.

When compared with visual inspection alone, coordinated TcB screening for NH in acute-care and community settings is associated with significant improvements in laboratory utilization, patient care, convenience, and safety. (Read the full article)

A dose-response relationship exists between light irradiance and decrease of total serum bilirubin concentration (TsB) at relatively low irradiances. It has been questioned whether by increasing irradiance a "saturation point" exists, above which no further decrease of TsB is seen.

We found a linear relation between light irradiance in the range of 20 to 55 μW/cm²/nm and decrease in TsB after 24 hours of therapy, with no evidence of a saturation point. (Read the full article)

The higher the predischarge bilirubin percentile reading on the hour of life–specific nomogram, the higher becomes that infant's risk of developing significant hyperbilirubinemia. Neonates in the low-risk zones (≤75th percentile) have a low risk of developing hyperbilirubinemia.

Thirty-two percent of newborns readmitted for hyperbilirubinemia had low-risk zone predischarge bilirubin percentile values, predominantly in the intermediate low-risk zone (41st–75th percentile). The intermediate low-risk zone may not be as low risk as previously thought. (Read the full article)

Although the natural course of bilirubin levels has been extensively studied in general neonatal populations, there is a paucity of data regarding bilirubin trends in neonates before the development of significant hyperbilirubinemia.

This study provides data on the natural course of transcutaneous bilirubin before the development of significant hyperbilirubinemia, and on the effect of different demographic and perinatal risk factors on the rate of bilirubin increase in neonates with borderline bilirubin values. (Read the full article)

Children with sickle cell anemia are at risk of central nervous system damage, including stroke. Even children without evidence of abnormality on neuroimaging are at risk of significant declines in neurocognitive function, starting at early ages.

This study adds the observation that poorer neurocognitive and behavioral function is associated with older age in infants and toddlers with sickle cell anemia, much earlier than previously expected. (Read the full article)

In humans, the brain growth spurt begins in the last trimester of pregnancy and extends through the first 2 years of life. Studies show poor cognitive and motor development among children who have iron deficiency anemia in infancy.

Prenatal iron deficiency anemia in the third trimester affects child mental development. Prenatal micronutrient supplementation with sufficient iron protects child mental development even when the woman’s iron deficiency anemia is not properly corrected during pregnancy. (Read the full article)

Persons with sickle cell anemia are known to have increased medical expenses, but little is known about the effects of hydroxyurea treatment on costs. In adults with severe sickle cell anemia, hydroxyurea has been reported to reduce expenses from hospitalization.

In this randomized placebo-controlled prospective multicenter trial of hydroxyurea in very young children with sickle cell anemia, not selected for severity, hydroxyurea was associated with significant medical cost savings due to a reduction in hospitalization expenses. (Read the full article)

Pneumonia is the leading cause of death in young children worldwide. Anemia, widely prevalent globally, is not routinely assessed when treating pneumonia. The effect of anemia and high altitude on outcome of pneumonia is not well described.

Anemia at high altitude increases the risk of poor outcome with severe pneumonia. Children with severe pneumonia at high altitude present with more severe hypoxemia and have a longer time to recovery than children at low altitude. (Read the full article)

Obstructive sleep apnea syndrome (OSAS) prevalence in children with sickle cell anemia is not well described. Although these children often experience nocturnal oxygen desaturation, it is unclear whether they are more likely to have OSAS.

Children with sickle cell anemia have a high prevalence of OSAS with typical symptoms, beyond just nocturnal oxyhemoglobin desaturation. This study supports the need for increased efforts to screen for, diagnose, and treat OSAS in this vulnerable population. (Read the full article)

For newborn infants, extreme hyperbilirubinemia (≥24.5 mg/dL) is associated with risk for severe bilirubin encephalopathy. The causal factor of extreme hyperbilirubinemia is often not established. The genotype of Gilbert syndrome, the UGT1A1*28 allele, is considered a potential risk factor.

The UGT1A1*28 allele was not associated with risk for developing extreme hyperbilirubinemia. (Read the full article)

Total serum bilirubin levels ≥30 mg/dL have been labeled as "hazardous." Levels this high are rare, occurring in 3 to 10 per 100 000 births. Few studies have examined etiologies and long-term outcomes in these infants.

Glucose-6-phosphate dehydrogenase (G6PD) deficiency is a major identifiable cause, but is under-assessed. Chronic, bilirubin-induced neurotoxicity is rare and only occurred in the setting of additional risk factors (prematurity, G6PD deficiency, sepsis) and at levels far above recommended exchange transfusion thresholds. (Read the full article)