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Search: authors:"Qing Wang"

5 papers found.
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Double JPEG compression forensics based on a convolutional neural network

Double JPEG compression detection has received considerable attention in blind image forensics. However, only few techniques can provide automatic localization. To address this challenge, this paper proposes a double JPEG compression detection algorithm based on a convolutional neural network (CNN). The CNN is designed to classify histograms of discrete cosine transform (DCT...

Identification of SNPs in a nonmodel macrofungus (Lepista nuda, Basidiomycota) through RAD sequencing

Lepista nuda is a wild edible fungus that is valued for its odor and taste. Recent studies identified intraspecific morphological and genetic differences in L. nuda. Although single-nucleotide polymorphisms (SNPs) are useful for revealing intraspecific differences, the traditional methods used for investigating SNPs are time consuming and expensive, and they only locate a limited...

Identification and evaluation of reference genes in the Chinese white wax scale insect Ericerus pela

Background The Chinese white wax scale insect, Ericerus pela, is a well-known resource insect. The females and males are dramatically distinct at each developmental stage. We sought to identify suitable reference genes to use as internal controls in molecular research on E. plea. Results geNorm, RefFinder and Normfinder analyses showed that ├čTub-2 was the best reference gene...

Speech enhancement with an acoustic vector sensor: an effective adaptive beamforming and post-filtering approach

Speech enhancement has an increasing demand in mobile communications and faces a great challenge in a real ambient noisy environment. This paper develops an effective spatial-frequency domain speech enhancement method with a single acoustic vector sensor (AVS) in conjunction with minimum variance distortionless response (MVDR) spatial filtering and Wiener post-filtering (WPF...

Design of Vertically Aligned Binocular Omnistereo Vision Sensor

Catadioptric omnidirectional vision sensor (ODVS) with a fixed single view point is a fast and reliable single panoramic visual information acquisition equipment. This paper presents a new type of binocular stereo ODVS which composes of two ODVS with the same parameters. The single view point of each ODVS is fixed on the same axis with face-to-face, back-to-back, and faceto- back...